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Date: Mon, 02 Apr 2012 22:50:19 +0200
From: Giovanni Martinelli <giomarti@cisco.com>
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Subject: Re: [CCAMP] Flexible Grids Presentations at the next IETF
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I know there was a sort of sub-ccamp meeting and probably results will 
circulate soon but I'd love to share my personal opinion here as well 
... (since not so much time left for mic during wg meeting).

- as someone is going to merge frameworks I would probably try not to 
rewrite wson framework with just some replacements (s/wson/sson/ or 
s/rwa/rsa/). As heard from someone I agree there's need of common 
understanding and terminology but I would lean toward  not rewrite what 
already in ITU doc (apart from what needed for quick understanding).

- On the same line I would probably echo Adrian message on the this list 
few weeks back and focus in getting first some foundations (e.g. label).

Cheers
G



On 3/29/12 13:42 , Lou Berger wrote:
> Ramon,
> 	Thanks for getting things started.  Keep in mind that you don't have to
> have 100% agreement to merge documents.  As part of a merge process, a
> document can contain sections with multiple, and even conflicting,
> alternatives.  Sometimes during such a process authors will even find
> they actually have greater alignment than they at first realize.
>
> Lou
>
> On 3/29/2012 12:57 PM, Ramon Casellas wrote:
>> On 03/29/2012 11:10 AM, BRUNGARD, DEBORAH A wrote:
>>> All,
>>>           As discussed in yesterday's session, we are looking for the authors of
>>> the flexible grid related drafts to work on merging like drafts.  We are
>>> hopeful that we will be discussing the merged requirements/framework,
>>> routing, signaling, and LMP drafts at the next meeting.  If such merging
>>> does not occur before the next meeting, we (the chairs) will most likely
>>> use the session time to discuss issues preventing such merging and not
>>> schedule any individual presentations on the topic.
>>>
>>
>> Dear Deborah, flexi-grid drafts (co)-authors, all
>>
>> Following WG chairs suggestion and in order to move forward / integrate
>> drafts, please find below (my own) summary of open issues / draft
>> differences and possible choices.
>>
>> Sorry for the length of the mail. Please, feel free to correct/add or
>> comment. The list reflects in part my views and comments in past emails
>> and private conversations, and mistakes are my own
>>
>> Of course, stated for the gazillion-th, everything is conditioned by
>> ITU-T data plane :-) -- which will definitely impact some of the points
>> below, notably I and I-B)
>>
>> that said:
>>
>>
>>
>> I) Are non-contiguous frequency slots in scope?
>> ===============================
>>
>> a) No, we should focus on the  use case of having a contiguous frequency
>> slot, defined by n and m.
>>
>> b) Yes, it should be integral part of the data plane model
>>
>> c) Yes, but it can be done using virtual concatenation (even at a later
>> stage, when I.a is mature)
>>
>> d) A new framework of multi-channel  (not in the sense of optical
>> modulation formats) should be defined, generically (Igor?)
>>
>> afaik 2 fwk drafts assume I.a and potentially I.c // 1 fwk draft assumes b
>>
>>
>>
>> I-B) Optical Conversion
>> ================
>>
>> *) Does an LSP start and end at a given trail termination? is the
>> equivalent of wavelength conversion (spectrum conversion) considered?
>>
>> *) Does an LSP span O/E/O conversions or only transparent segments?
>>
>> afaik, current drafts assume an LSP may span O/E/O
>>
>>
>> II) Switching capability Layer / Region
>> =========================
>>
>> a) SSON as evolution of WSON, same LSC
>>
>>        - an extension of WSON allowing heterogeneous requests
>>
>>        - backwards compatibility with WSON? Interworking?
>>
>>        - Potential problems with the max LSP bw per prio in the iscd (see
>> routing)
>>
>>        - Potential problems with having the same swcap but the label
>> format changes w.r.t. wson (for some definitions of label encoding / format)
>>
>>        - Will reuse a lot of work / procedures / encodings defined in the
>> context of wson
>>
>>
>> b) A new SwCap may need to be defined
>>
>>         - LSC swcap already defined ISCD which can not be modified
>>
>>         - It may be problematic to have a the same swcap but different
>> label formats. Role of LSP encoding type?
>>
>>         - This may be necessary depending on the retained data plane model
>>
>>
>> * Notion of hierarchy?
>>
>>          - There is no notion of hierarchy between WSON  and flexi-grid /
>> SSON - only interop / interwork
>>
>>
>>
>>
>> III) Label format (see also V)
>> =========================
>>
>> a) Assuming a data plane model I.a) "m" (the parameter that defines the
>> slot width, as in m*12.5 GHz) "m" is inherent part of the label
>>
>>              - It is part of the switching
>>
>>              - It allows encode the "lightpath" in a ERO using Explicit
>> Label Control
>>
>>              - Still maintains that feature a cross-connect is defined by
>> the tuple (port-in, label-in, port-out, label-out), allows a kind-of
>> "best effort LSP"
>>
>>
>>
>> b) Assuming a data plane model I.a) "m" is not part of the label but of
>> the TSPEC
>>
>>              - Needs to be in the TSPEC to decouple client signal traffic
>> specification and management of the optical spectrum
>>
>>              - Does not need to be in the label, since it is carried in
>> the TSPEC / flowdescriptor flowspec. Having in both places is redundant
>> and open to incoherences, extra error checking
>>
>>              - Does not need to be in the label, it is in the TSPEC and
>> for OTN it was decided to remove tspec-related params out of the label
>>
>>
>> c) Assuming a data plane model I.a) "m" is both path of the label and
>> the TSPEC
>>
>>              - It reflects both the concept of resource request /
>> allocation / reservation and the concept of being inherent part of the
>> switching
>>
>>
>> d) Different label format, since the data plane model is different
>> (I.b, I.d)
>>
>>
>>
>>
>> IV) Requirements/Framework documents
>> ==========================
>>
>> *) Two of the framework drafts are quite similar, based on I.a) - main
>> difference is  III.a) and III.b)
>>
>>        - they could be merged if a final decision on the label format was
>> made (also merged stating the different options, as Lou said)
>>
>>
>>    *) Point raised regarding the multi-carrier / single-carrier questions
>> (as optical modulation formats)
>>
>>        - Yes,  both: the management of the optical spectrum (once the
>> "frequency range" or "m" is allocated) should not imply whether we
>> consider only single carrier or multi carrier. As long as the client
>> singal uses the allocated frequency slot whether the transceiver uses a
>> single carrier (i.e. qam) or multi-carrier (o-ofdm) are both covered
>>
>>        - No,  only single carrier
>>
>>
>>
>> V) Signalling / RSVP-TE
>> ==========================
>>
>> * At least two signaling drafts could be aligned once we have a common
>> definition of a label (III,a,b,c)
>>
>>
>> * Open issue with Sender Descriptor SENDER_TSPEC and flow descriptor
>> FLOWSPEC:
>>
>> a) should contain "m" - this decouples client signal data rates,
>> modulation, fec, etc. from the optical spectrum management
>>
>> b) having "m" in the tspec is problematic in the case of O/E/O -
>> wavelength / spectrum converters since it can imply that m changes along
>> the path
>>       (could be a problem or not, there is also the ADSPEC)
>>
>> c) client signal tspec (e.g. intserv token bucket tspec) should/could be
>> "piggybacked" in the tspec that carries "m"
>>
>> d) It is not clear whether the "span" of an LSP should cover O/E/O
>> elements, (trail termination) thus even if all-optical conversion is
>> deployed TSPEC will not change
>>
>> e) for data rates 40/100/400 Gbps with advanced modulation formats
>> (coherent O-OFDM, polmux, etc) all optical conversion may not be ready
>> in a near future?
>>
>>
>>
>> Routing
>> ==========================
>>
>> *) Routing "Labels"
>>
>> a) having the label format III.b) unifies "signaling labels" and
>> "routing labels"
>>
>> b) routing "label format" and "signaling label format" may be different
>>
>> c) There is no such thing as "routing labels": A path computation entity
>> (being an ingress, intermediate node or a PCE) basically needs (other
>> than ROADMs and transceivers capabilities and limitations) a TE link
>> characterization by means of the knowledge the status and availability
>> of central (nominal) frequencies (n parameters) in the operating band.
>> It happens that in WSON, labels uniquely identify wavelengths, but this
>> may not be the case in SSON. In other words, disseminating labels in
>> WSON is a "short hand" for disseminating wavelength identifiers, but the
>> same idea does not need to apply in SSON: the requirement of knowing the
>> central frequencies does not map to knowing the labels, except for some
>> of the proposed label formats. In order to disseminate the status of
>> central frequencies, efficient encodings may use a combination of bitmap
>> encoding or "group" them. This is where the use of something like "m" to
>> convey a "range" may be beneficial, but this is only from the point of
>> view of encoding (labelsets)
>>
>>
>> * Max LSP bandwidth per prio / unresv b per prio
>>
>>        - At data rates of GBps / TBps, encoding bandwidths with bytes per
>> second unit and IEEE 32-bit floating may be problematic / non scalable.
>> Potential problems in CSPF may
>>
>>        - This field is not relevant since there is not a 1-to-1 mapping
>> between bps and Hz, since it depends on the modulation format, fec,
>> either there is an agreement on assuming best / worst case modulations
>> and spectral efficiency.
>>
>>
>>
>> Hope this helps
>>
>> Ramon
>>
>>
>>
>> _______________________________________________
>> CCAMP mailing list
>> CCAMP@ietf.org
>> https://www.ietf.org/mailman/listinfo/ccamp
>>
>>
>>
>>
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp

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From ma-miyazawa@kddilabs.jp  Thu Apr  5 04:37:48 2012
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From: "Masanori Miyazawa" <ma-miyazawa@kddilabs.jp>
To: "'Acee Lindem'" <acee.lindem@ericsson.com>
References: <4D336515-2D98-4DA7-8D58-28ED03C3854B@ericsson.com> <025501cd0775$11f2b820$35d82860$@jp> <051F9BE0-8E97-4F5C-A859-F9F5809474D4@ericsson.com>
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Date: Thu, 5 Apr 2012 20:37:42 +0900
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Subject: Re: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
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Hi, Acee

Thank you for your comments.

I modified the definition of the bandwidth based on your comments. 
In order to use the Float32TC, the Float32TC is imported in this mib, the
syntax of the objects related to TE bandwidth is defined as Float32TC.
Would that be right?

-----example-----------
tedMaxBandwidth OBJECT-TYPE
    SYNTAX       Float32TC
    UNITS        "bit per seconds"
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
      "This indicates the maximum bandwidth that can be used on this link in
this direction."
REFERENCE
	 " Traffic Engineering (TE) Extensions to OSPF Version 2, [RFC
3630], 2.5.6"
::= { tedEntry 14 }

Regards,
Masanori

-----Original Message-----
From: Acee Lindem [mailto:acee.lindem@ericsson.com] 
Sent: Thursday, March 29, 2012 1:31 AM
To: Masanori Miyazawa
Cc: CCAMP
Subject: Re: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib

Hi Masanori, 

See one comment inline. Hopefully, the message quoting won't be lost. 

On Mar 21, 2012, at 11:12 AM, Masanori Miyazawa wrote:

> Acee,
> 
> Please see our answer to your comments as below and let us know if you 
> have any question.
> 
> Regards,
> Masanori
> 
>>  1. Many of the textual conventions are longer than they need to be.
> While
>> ISIS is, in general, more verbose than OSPF, you most of the textual 
>> conventions are longer than they need to be.
>> 
>> 
>>           TedAreaIdTC - This is 32 octets while I the longest ISIS
> address
>> is 20 octets. For OSPF, the Area ID is 4 octets.
>>           TedRouterIDTC - This is 32 octets while the OSPF router ID 
>> is
>> 4 octets and the ISIS system ID is 6 octets.
>> 
>>      This really doesn't cause any problems but I think it needs to 
>> be addressed.
> 
> I modified the lengths of the textual convention.
> 
> -----------
> TedAreaIdTC ::= TEXTUAL-CONVENTION
>       STATUS       current
>       DESCRIPTION
>          "The area identifier of the IGP. If OSPF is used to advertise 
> LSA, this represents an ospfArea. If ISIS is used, this represents an 
> area address."
>       SYNTAX       OCTET STRING (SIZE (0..20))
> 
> TedRouterIdTC ::= TEXTUAL-CONVENTION
>       STATUS       current
>       DESCRIPTION
>          " The router identifier. If OSPF is used to advertise LSA, 
> this represents a Router ID. If ISIS is used, this represents a System
ID."
>       SYNTAX       OCTET STRING (SIZE (0..6))

Looks good. 

> --------------
> 
>>   2. Bandwidth values - All the bandwidth values are represented as 
>> bytes per second with an Unsigned32 range. However, RFC 3630 
>> represents these values sing an IEEE floating point value. 
>> Additionally, this
> representation
>> results in a maximum bandwidth value of 32Gbps (without error correct).
>> I think this may soon become much too low (if not already).
> 
> As you mentioned, the definitions of the bandwidth value were wrong. 
> In order to support RFC3630, I think that Syntax should be modified to 
> OCTET STRING. The below is a example of the modification.
> What do you think about the modification?
> 
> ---example of tedMaxBandwidth---
> 
> tedMaxBandwidth OBJECT-TYPE
>    SYNTAX       OCTET STRING (SIZE(4))
>    UNITS        "bit per seconds"
>    MAX-ACCESS   read-only
>    STATUS       current
>    DESCRIPTION
>      "This indicates the maximum bandwidth that can be used on this 
> link in this direction."
> REFERENCE
> 	 " Traffic Engineering (TE) Extensions to OSPF Version 2, [RFC
3630], 
> 2.5.6"
> ::= { tedEntry 14 }

I always thought this was a real pain that IEEE floating point values were
used for TE bandwidth. Aren't these semantics consistent across TE bandwidth
values? 
They are consistent in RFC 3630 and RFC 3784. Why not Float32TC from RFC
6340 rather than OCTET STRING(SIZE)4))?

  Float32TC ::= TEXTUAL-CONVENTION
      STATUS       current
      DESCRIPTION  "This type represents a 32-bit (4-octet) IEEE
                    floating-point number in binary interchange format."
      REFERENCE    "IEEE Standard for Floating-Point Arithmetic,
                    Standard 754-2008"
      SYNTAX       OCTET STRING (SIZE(4))


 
> ----------------
> 
>>   3. For the TED table, please move tedLocalRouterID and
> TedRemoteRouterID
>> so the items constituting the index are in the beginning of the TED
entry.
> 
> These indexes were displaced forward. Would that be right?
> 
> -------
> tedEntry OBJECT-TYPE
>    SYNTAX       TedEntry
>    MAX-ACCESS   not-accessible
>    STATUS       current
>    DESCRIPTION
>    "This entry contains TED information commonly utilized in both MPLS 
> and GMPLS."
>   INDEX { tedLocalRouterId, tedRemoteRouterId, 
> tedLinkInformationSource, tedLinkIndex }

This is correct in draft-ietf-ccamp-gmpls-ted-mib-11.txt. 

 
> 
>>   4. For tedSrlgIndex, should there be a reference another RFC?
> 
> I added RFC4203 in tedSrlg as a reference.
> 
> -------
> tedSrlgIndex OBJECT-TYPE
>    SYNTAX       Unsigned32(1..255)
>    MAX-ACCESS   not-accessible
>    STATUS       current
>    DESCRIPTION
>      "This index is utilized to identify multiple SRLG values on a 
> local or remote TE link. This object represents an arbitrary value 
> which is locally defined in a router".
>    REFERENCE
>     " OSPF Extensions in support of GMPLS, [RFC4203], 1.3 "
> 
> ::= { tedSrlgEntry 1 }
> -------

Ok. 


> 
> 
>>   5. Section 11 is missing one of the key reviewers ;^).
> My sincere apologies for missing you as a reviewer. We appreciate very 
> much the support from you.

Thanks,
Acee



> 
> 
>> -----Original Message-----
>> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On 
>> Behalf Of Acee Lindem
>> Sent: Monday, March 19, 2012 7:50 AM
>> To: CCAMP
>> Subject: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
>> 
>> Hey Masanori, Tomohiro, and Tom,
>> 
>> Lou asked me to take another look at this draft and I have some
> significant
>> comments/questions.
>> 
>> 
>>  1. Many of the textual conventions are longer than they need to be.
> While
>> ISIS is, in general, more verbose than OSPF, you most of the textual 
>> conventions are longer than they need to be.
>> 
>> 
>>           TedAreaIdTC - This is 32 octets while I the longest ISIS
> address
>> is 20 octets. For OSPF, the Area ID is 4 octets.
>>           TedRouterIDTC - This is 32 octets while the OSPF router ID 
>> is
>> 4 octets and the ISIS system ID is 6 octets.
>> 
>>      This really doesn't cause any problems but I think it needs to 
>> be addressed.
>> 
>> 
>>   2. Bandwidth values - All the bandwidth values are represented as 
>> bytes per second with an Unsigned32 range. However, RFC 3630 
>> represents these values sing an IEEE floating point value. 
>> Additionally, this
> representation
>> results in a maximum bandwidth value of 32Gbps (without error correct).
>> I think this may soon become much too low (if not already).
>> 
>> 
>>   3. For the TED table, please move tedLocalRouterID and
> TedRemoteRouterID
>> so the items constituting the index are in the beginning of the TED
entry.
>> 
>>   4. For tedSrlgIndex, should there be a reference another RFC?
>> 
>>   5. Section 11 is missing one of the key reviewers ;^).
>> 
>> 
>> Thanks,
>> Acee
> 


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From: Acee Lindem <acee.lindem@ericsson.com>
To: Masanori Miyazawa <ma-miyazawa@kddilabs.jp>
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Subject: Re: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
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Hi Masanori,=20

Yes - I believe this is correct. You also need to add it to the MIB imports=
:

Acee-Lindems-iMac-2:Desktop ealflin$ diff -c draft-ietf-ccamp-gmpls-ted-mib=
-11.txt.orig draft-ietf-ccamp-gmpls-ted-mib-11.txt
*** draft-ietf-ccamp-gmpls-ted-mib-11.txt.orig	2012-04-05 08:36:53.00000000=
0 -0400
--- draft-ietf-ccamp-gmpls-ted-mib-11.txt	2012-04-05 08:38:13.000000000 -04=
00
***************
*** 352,357 ****
--- 352,359 ----
          FROM IANA-GMPLS-TC-MIB                     -- RFC4802=20
         InetAddress, InetAddressType=20
          FROM INET-ADDRESS-MIB                      -- [RFC4001]=20
+        Float32TC
+         FROM FLOAT-TC-MIB                          -- [RFC6340]=20
        ;=20
     =20
     tedMIB MODULE-IDENTITY


Thomas Nadeau is the expert so you should also pass it by him.=20

I don't have any more comments on this MIB and believe it is ready for adva=
ncement.=20

Thanks,
Acee       =20
On Apr 5, 2012, at 7:37 AM, Masanori Miyazawa wrote:

> Hi, Acee
>=20
> Thank you for your comments.
>=20
> I modified the definition of the bandwidth based on your comments.=20
> In order to use the Float32TC, the Float32TC is imported in this mib, the
> syntax of the objects related to TE bandwidth is defined as Float32TC.
> Would that be right?
>=20
> -----example-----------
> tedMaxBandwidth OBJECT-TYPE
>    SYNTAX       Float32TC
>    UNITS        "bit per seconds"
>    MAX-ACCESS   read-only
>    STATUS       current
>    DESCRIPTION
>      "This indicates the maximum bandwidth that can be used on this link =
in
> this direction."
> REFERENCE
> 	 " Traffic Engineering (TE) Extensions to OSPF Version 2, [RFC
> 3630], 2.5.6"
> ::=3D { tedEntry 14 }
>=20
> Regards,
> Masanori
>=20
> -----Original Message-----
> From: Acee Lindem [mailto:acee.lindem@ericsson.com]=20
> Sent: Thursday, March 29, 2012 1:31 AM
> To: Masanori Miyazawa
> Cc: CCAMP
> Subject: Re: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
>=20
> Hi Masanori,=20
>=20
> See one comment inline. Hopefully, the message quoting won't be lost.=20
>=20
> On Mar 21, 2012, at 11:12 AM, Masanori Miyazawa wrote:
>=20
>> Acee,
>>=20
>> Please see our answer to your comments as below and let us know if you=20
>> have any question.
>>=20
>> Regards,
>> Masanori
>>=20
>>> 1. Many of the textual conventions are longer than they need to be.
>> While
>>> ISIS is, in general, more verbose than OSPF, you most of the textual=20
>>> conventions are longer than they need to be.
>>>=20
>>>=20
>>>          TedAreaIdTC - This is 32 octets while I the longest ISIS
>> address
>>> is 20 octets. For OSPF, the Area ID is 4 octets.
>>>          TedRouterIDTC - This is 32 octets while the OSPF router ID=20
>>> is
>>> 4 octets and the ISIS system ID is 6 octets.
>>>=20
>>>     This really doesn't cause any problems but I think it needs to=20
>>> be addressed.
>>=20
>> I modified the lengths of the textual convention.
>>=20
>> -----------
>> TedAreaIdTC ::=3D TEXTUAL-CONVENTION
>>      STATUS       current
>>      DESCRIPTION
>>         "The area identifier of the IGP. If OSPF is used to advertise=20
>> LSA, this represents an ospfArea. If ISIS is used, this represents an=20
>> area address."
>>      SYNTAX       OCTET STRING (SIZE (0..20))
>>=20
>> TedRouterIdTC ::=3D TEXTUAL-CONVENTION
>>      STATUS       current
>>      DESCRIPTION
>>         " The router identifier. If OSPF is used to advertise LSA,=20
>> this represents a Router ID. If ISIS is used, this represents a System
> ID."
>>      SYNTAX       OCTET STRING (SIZE (0..6))
>=20
> Looks good.=20
>=20
>> --------------
>>=20
>>>  2. Bandwidth values - All the bandwidth values are represented as=20
>>> bytes per second with an Unsigned32 range. However, RFC 3630=20
>>> represents these values sing an IEEE floating point value.=20
>>> Additionally, this
>> representation
>>> results in a maximum bandwidth value of 32Gbps (without error correct).
>>> I think this may soon become much too low (if not already).
>>=20
>> As you mentioned, the definitions of the bandwidth value were wrong.=20
>> In order to support RFC3630, I think that Syntax should be modified to=20
>> OCTET STRING. The below is a example of the modification.
>> What do you think about the modification?
>>=20
>> ---example of tedMaxBandwidth---
>>=20
>> tedMaxBandwidth OBJECT-TYPE
>>   SYNTAX       OCTET STRING (SIZE(4))
>>   UNITS        "bit per seconds"
>>   MAX-ACCESS   read-only
>>   STATUS       current
>>   DESCRIPTION
>>     "This indicates the maximum bandwidth that can be used on this=20
>> link in this direction."
>> REFERENCE
>> 	 " Traffic Engineering (TE) Extensions to OSPF Version 2, [RFC
> 3630],=20
>> 2.5.6"
>> ::=3D { tedEntry 14 }
>=20
> I always thought this was a real pain that IEEE floating point values wer=
e
> used for TE bandwidth. Aren't these semantics consistent across TE bandwi=
dth
> values?=20
> They are consistent in RFC 3630 and RFC 3784. Why not Float32TC from RFC
> 6340 rather than OCTET STRING(SIZE)4))?
>=20
>  Float32TC ::=3D TEXTUAL-CONVENTION
>      STATUS       current
>      DESCRIPTION  "This type represents a 32-bit (4-octet) IEEE
>                    floating-point number in binary interchange format."
>      REFERENCE    "IEEE Standard for Floating-Point Arithmetic,
>                    Standard 754-2008"
>      SYNTAX       OCTET STRING (SIZE(4))
>=20
>=20
>=20
>> ----------------
>>=20
>>>  3. For the TED table, please move tedLocalRouterID and
>> TedRemoteRouterID
>>> so the items constituting the index are in the beginning of the TED
> entry.
>>=20
>> These indexes were displaced forward. Would that be right?
>>=20
>> -------
>> tedEntry OBJECT-TYPE
>>   SYNTAX       TedEntry
>>   MAX-ACCESS   not-accessible
>>   STATUS       current
>>   DESCRIPTION
>>   "This entry contains TED information commonly utilized in both MPLS=20
>> and GMPLS."
>>  INDEX { tedLocalRouterId, tedRemoteRouterId,=20
>> tedLinkInformationSource, tedLinkIndex }
>=20
> This is correct in draft-ietf-ccamp-gmpls-ted-mib-11.txt.=20
>=20
>=20
>>=20
>>>  4. For tedSrlgIndex, should there be a reference another RFC?
>>=20
>> I added RFC4203 in tedSrlg as a reference.
>>=20
>> -------
>> tedSrlgIndex OBJECT-TYPE
>>   SYNTAX       Unsigned32(1..255)
>>   MAX-ACCESS   not-accessible
>>   STATUS       current
>>   DESCRIPTION
>>     "This index is utilized to identify multiple SRLG values on a=20
>> local or remote TE link. This object represents an arbitrary value=20
>> which is locally defined in a router".
>>   REFERENCE
>>    " OSPF Extensions in support of GMPLS, [RFC4203], 1.3 "
>>=20
>> ::=3D { tedSrlgEntry 1 }
>> -------
>=20
> Ok.=20
>=20
>=20
>>=20
>>=20
>>>  5. Section 11 is missing one of the key reviewers ;^).
>> My sincere apologies for missing you as a reviewer. We appreciate very=20
>> much the support from you.
>=20
> Thanks,
> Acee
>=20
>=20
>=20
>>=20
>>=20
>>> -----Original Message-----
>>> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On=20
>>> Behalf Of Acee Lindem
>>> Sent: Monday, March 19, 2012 7:50 AM
>>> To: CCAMP
>>> Subject: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
>>>=20
>>> Hey Masanori, Tomohiro, and Tom,
>>>=20
>>> Lou asked me to take another look at this draft and I have some
>> significant
>>> comments/questions.
>>>=20
>>>=20
>>> 1. Many of the textual conventions are longer than they need to be.
>> While
>>> ISIS is, in general, more verbose than OSPF, you most of the textual=20
>>> conventions are longer than they need to be.
>>>=20
>>>=20
>>>          TedAreaIdTC - This is 32 octets while I the longest ISIS
>> address
>>> is 20 octets. For OSPF, the Area ID is 4 octets.
>>>          TedRouterIDTC - This is 32 octets while the OSPF router ID=20
>>> is
>>> 4 octets and the ISIS system ID is 6 octets.
>>>=20
>>>     This really doesn't cause any problems but I think it needs to=20
>>> be addressed.
>>>=20
>>>=20
>>>  2. Bandwidth values - All the bandwidth values are represented as=20
>>> bytes per second with an Unsigned32 range. However, RFC 3630=20
>>> represents these values sing an IEEE floating point value.=20
>>> Additionally, this
>> representation
>>> results in a maximum bandwidth value of 32Gbps (without error correct).
>>> I think this may soon become much too low (if not already).
>>>=20
>>>=20
>>>  3. For the TED table, please move tedLocalRouterID and
>> TedRemoteRouterID
>>> so the items constituting the index are in the beginning of the TED
> entry.
>>>=20
>>>  4. For tedSrlgIndex, should there be a reference another RFC?
>>>=20
>>>  5. Section 11 is missing one of the key reviewers ;^).
>>>=20
>>>=20
>>> Thanks,
>>> Acee
>>=20
>=20


From ma-miyazawa@kddilabs.jp  Thu Apr  5 22:41:48 2012
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From: "Masanori Miyazawa" <ma-miyazawa@kddilabs.jp>
To: "'Acee Lindem'" <acee.lindem@ericsson.com>
References: <4D336515-2D98-4DA7-8D58-28ED03C3854B@ericsson.com> <025501cd0775$11f2b820$35d82860$@jp> <051F9BE0-8E97-4F5C-A859-F9F5809474D4@ericsson.com> <006d01cd1320$82ff67f0$88fe37d0$@kddilabs.jp> <FB6995C3-B666-4D30-A16C-6176715A2883@ericsson.com>
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Date: Fri, 6 Apr 2012 14:41:35 +0900
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Cc: 'CCAMP' <ccamp@ietf.org>
Subject: Re: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
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Acee,

I appreciate your help.
I will update the documents shortly.

Regards,
Masanori

-----Original Message-----
From: Acee Lindem [mailto:acee.lindem@ericsson.com] 
Sent: Thursday, April 05, 2012 9:40 PM
To: Masanori Miyazawa
Cc: CCAMP
Subject: Re: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib

Hi Masanori, 

Yes - I believe this is correct. You also need to add it to the MIB imports:

Acee-Lindems-iMac-2:Desktop ealflin$ diff -c
draft-ietf-ccamp-gmpls-ted-mib-11.txt.orig
draft-ietf-ccamp-gmpls-ted-mib-11.txt
*** draft-ietf-ccamp-gmpls-ted-mib-11.txt.orig	2012-04-05
08:36:53.000000000 -0400
--- draft-ietf-ccamp-gmpls-ted-mib-11.txt	2012-04-05
08:38:13.000000000 -0400
***************
*** 352,357 ****
--- 352,359 ----
          FROM IANA-GMPLS-TC-MIB                     -- RFC4802 
         InetAddress, InetAddressType 
          FROM INET-ADDRESS-MIB                      -- [RFC4001] 
+        Float32TC
+         FROM FLOAT-TC-MIB                          -- [RFC6340] 
        ; 
      
     tedMIB MODULE-IDENTITY


Thomas Nadeau is the expert so you should also pass it by him. 

I don't have any more comments on this MIB and believe it is ready for
advancement. 

Thanks,
Acee        
On Apr 5, 2012, at 7:37 AM, Masanori Miyazawa wrote:

> Hi, Acee
> 
> Thank you for your comments.
> 
> I modified the definition of the bandwidth based on your comments. 
> In order to use the Float32TC, the Float32TC is imported in this mib, 
> the syntax of the objects related to TE bandwidth is defined as Float32TC.
> Would that be right?
> 
> -----example-----------
> tedMaxBandwidth OBJECT-TYPE
>    SYNTAX       Float32TC
>    UNITS        "bit per seconds"
>    MAX-ACCESS   read-only
>    STATUS       current
>    DESCRIPTION
>      "This indicates the maximum bandwidth that can be used on this 
> link in this direction."
> REFERENCE
> 	 " Traffic Engineering (TE) Extensions to OSPF Version 2, [RFC
3630], 
> 2.5.6"
> ::= { tedEntry 14 }
> 
> Regards,
> Masanori
> 
> -----Original Message-----
> From: Acee Lindem [mailto:acee.lindem@ericsson.com]
> Sent: Thursday, March 29, 2012 1:31 AM
> To: Masanori Miyazawa
> Cc: CCAMP
> Subject: Re: [CCAMP] 2nd WG last call on 
> draft-ietf-ccamp-gmpls-ted-mib
> 
> Hi Masanori,
> 
> See one comment inline. Hopefully, the message quoting won't be lost. 
> 
> On Mar 21, 2012, at 11:12 AM, Masanori Miyazawa wrote:
> 
>> Acee,
>> 
>> Please see our answer to your comments as below and let us know if 
>> you have any question.
>> 
>> Regards,
>> Masanori
>> 
>>> 1. Many of the textual conventions are longer than they need to be.
>> While
>>> ISIS is, in general, more verbose than OSPF, you most of the textual 
>>> conventions are longer than they need to be.
>>> 
>>> 
>>>          TedAreaIdTC - This is 32 octets while I the longest ISIS
>> address
>>> is 20 octets. For OSPF, the Area ID is 4 octets.
>>>          TedRouterIDTC - This is 32 octets while the OSPF router ID 
>>> is
>>> 4 octets and the ISIS system ID is 6 octets.
>>> 
>>>     This really doesn't cause any problems but I think it needs to 
>>> be addressed.
>> 
>> I modified the lengths of the textual convention.
>> 
>> -----------
>> TedAreaIdTC ::= TEXTUAL-CONVENTION
>>      STATUS       current
>>      DESCRIPTION
>>         "The area identifier of the IGP. If OSPF is used to advertise 
>> LSA, this represents an ospfArea. If ISIS is used, this represents an 
>> area address."
>>      SYNTAX       OCTET STRING (SIZE (0..20))
>> 
>> TedRouterIdTC ::= TEXTUAL-CONVENTION
>>      STATUS       current
>>      DESCRIPTION
>>         " The router identifier. If OSPF is used to advertise LSA, 
>> this represents a Router ID. If ISIS is used, this represents a 
>> System
> ID."
>>      SYNTAX       OCTET STRING (SIZE (0..6))
> 
> Looks good. 
> 
>> --------------
>> 
>>>  2. Bandwidth values - All the bandwidth values are represented as 
>>> bytes per second with an Unsigned32 range. However, RFC 3630 
>>> represents these values sing an IEEE floating point value.
>>> Additionally, this
>> representation
>>> results in a maximum bandwidth value of 32Gbps (without error correct).
>>> I think this may soon become much too low (if not already).
>> 
>> As you mentioned, the definitions of the bandwidth value were wrong. 
>> In order to support RFC3630, I think that Syntax should be modified 
>> to OCTET STRING. The below is a example of the modification.
>> What do you think about the modification?
>> 
>> ---example of tedMaxBandwidth---
>> 
>> tedMaxBandwidth OBJECT-TYPE
>>   SYNTAX       OCTET STRING (SIZE(4))
>>   UNITS        "bit per seconds"
>>   MAX-ACCESS   read-only
>>   STATUS       current
>>   DESCRIPTION
>>     "This indicates the maximum bandwidth that can be used on this 
>> link in this direction."
>> REFERENCE
>> 	 " Traffic Engineering (TE) Extensions to OSPF Version 2, [RFC
> 3630],
>> 2.5.6"
>> ::= { tedEntry 14 }
> 
> I always thought this was a real pain that IEEE floating point values 
> were used for TE bandwidth. Aren't these semantics consistent across 
> TE bandwidth values?
> They are consistent in RFC 3630 and RFC 3784. Why not Float32TC from 
> RFC
> 6340 rather than OCTET STRING(SIZE)4))?
> 
>  Float32TC ::= TEXTUAL-CONVENTION
>      STATUS       current
>      DESCRIPTION  "This type represents a 32-bit (4-octet) IEEE
>                    floating-point number in binary interchange format."
>      REFERENCE    "IEEE Standard for Floating-Point Arithmetic,
>                    Standard 754-2008"
>      SYNTAX       OCTET STRING (SIZE(4))
> 
> 
> 
>> ----------------
>> 
>>>  3. For the TED table, please move tedLocalRouterID and
>> TedRemoteRouterID
>>> so the items constituting the index are in the beginning of the TED
> entry.
>> 
>> These indexes were displaced forward. Would that be right?
>> 
>> -------
>> tedEntry OBJECT-TYPE
>>   SYNTAX       TedEntry
>>   MAX-ACCESS   not-accessible
>>   STATUS       current
>>   DESCRIPTION
>>   "This entry contains TED information commonly utilized in both MPLS 
>> and GMPLS."
>>  INDEX { tedLocalRouterId, tedRemoteRouterId, 
>> tedLinkInformationSource, tedLinkIndex }
> 
> This is correct in draft-ietf-ccamp-gmpls-ted-mib-11.txt. 
> 
> 
>> 
>>>  4. For tedSrlgIndex, should there be a reference another RFC?
>> 
>> I added RFC4203 in tedSrlg as a reference.
>> 
>> -------
>> tedSrlgIndex OBJECT-TYPE
>>   SYNTAX       Unsigned32(1..255)
>>   MAX-ACCESS   not-accessible
>>   STATUS       current
>>   DESCRIPTION
>>     "This index is utilized to identify multiple SRLG values on a 
>> local or remote TE link. This object represents an arbitrary value 
>> which is locally defined in a router".
>>   REFERENCE
>>    " OSPF Extensions in support of GMPLS, [RFC4203], 1.3 "
>> 
>> ::= { tedSrlgEntry 1 }
>> -------
> 
> Ok. 
> 
> 
>> 
>> 
>>>  5. Section 11 is missing one of the key reviewers ;^).
>> My sincere apologies for missing you as a reviewer. We appreciate 
>> very much the support from you.
> 
> Thanks,
> Acee
> 
> 
> 
>> 
>> 
>>> -----Original Message-----
>>> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On 
>>> Behalf Of Acee Lindem
>>> Sent: Monday, March 19, 2012 7:50 AM
>>> To: CCAMP
>>> Subject: [CCAMP] 2nd WG last call on draft-ietf-ccamp-gmpls-ted-mib
>>> 
>>> Hey Masanori, Tomohiro, and Tom,
>>> 
>>> Lou asked me to take another look at this draft and I have some
>> significant
>>> comments/questions.
>>> 
>>> 
>>> 1. Many of the textual conventions are longer than they need to be.
>> While
>>> ISIS is, in general, more verbose than OSPF, you most of the textual 
>>> conventions are longer than they need to be.
>>> 
>>> 
>>>          TedAreaIdTC - This is 32 octets while I the longest ISIS
>> address
>>> is 20 octets. For OSPF, the Area ID is 4 octets.
>>>          TedRouterIDTC - This is 32 octets while the OSPF router ID 
>>> is
>>> 4 octets and the ISIS system ID is 6 octets.
>>> 
>>>     This really doesn't cause any problems but I think it needs to 
>>> be addressed.
>>> 
>>> 
>>>  2. Bandwidth values - All the bandwidth values are represented as 
>>> bytes per second with an Unsigned32 range. However, RFC 3630 
>>> represents these values sing an IEEE floating point value.
>>> Additionally, this
>> representation
>>> results in a maximum bandwidth value of 32Gbps (without error correct).
>>> I think this may soon become much too low (if not already).
>>> 
>>> 
>>>  3. For the TED table, please move tedLocalRouterID and
>> TedRemoteRouterID
>>> so the items constituting the index are in the beginning of the TED
> entry.
>>> 
>>>  4. For tedSrlgIndex, should there be a reference another RFC?
>>> 
>>>  5. Section 11 is missing one of the key reviewers ;^).
>>> 
>>> 
>>> Thanks,
>>> Acee
>> 
> 


From lberger@labn.net  Tue Apr 10 07:39:34 2012
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Subject: [CCAMP] Fwd: Call for Nominations: Applied Networking Research	Prize 2012
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FYI

-------- Original Message --------


                       CALL FOR NOMINATIONS:

            APPLIED NETWORKING RESEARCH PRIZE (ANRP) 2012

                       http://irtf.org/anrp

***    Submit nominations for the 2012 award period of the        ***
***   Applied Networking Research Prize until May 13, 2012!       ***


The Applied Networking Research Prize (ANRP) is awarded for recent
results in applied networking research that are relevant for
transitioning into shipping Internet products and related
standardization efforts. Researchers with relevant, recently
published results are encouraged to apply for this prize, which will
offer them the opportunity to present and discuss their work with
the engineers, network operators, policy makers and scientists that
participate in the Internet Engineering Task Force (IETF) and its
research arm, the Internet Research Task Force (IRTF).

The goal of the Applied Networking Research Prize is to recognize
the best new ideas in networking, and bring them to the IETF and
IRTF especially in cases where they would not otherwise see much
exposure or discussion.

The Applied Networking Research Prize (ANRP) consists of:

  * cash prize of $500 (USD)

  * travel grant to attend a week-long IETF meeting
    (airfare, hotel, registration, stipend)

  * invited talk at the IRTF Open Meeting

  * recognition at the IETF plenary

  * invitation to related social activities

  * potential for additional travel grants to future IETF
    meetings, based on community feedback


HOW TO NOMINATE

Only a single person can be nominated for the award. The basis of
the nomination is a peer-reviewed, recently-published, original
journal, conference or workshop paper they authored. The nominee
must be one of the main authors of the nominated paper. Both self
nominations (nominating one’s own paper) and third-party nominations
(nominating someone else’s paper) are encouraged.

The nominated paper should provide a scientific foundation for
possible future IETF engineering work or IRTF research and
experimentation, analyze the behavior of Internet protocols in
operational deployments or realistic testbeds, make an important
contribution to the understanding of Internet scalability,
performance, reliability, security or capability, or otherwise be of
relevance to ongoing or future IETF or IRTF activities.

Applicants must briefly describe how the nominated paper relates to
these goals, and are encouraged to describe how a presentation of
these research results would foster their transition into new IETF
engineering or IRTF experimentation, or otherwise seed new
activities that will have an impact on the real-world Internet.

The goal of the Applied Networking Research Prize (ANRP) is to
foster the transitioning of research results into real-world
benefits for the Internet. Therefore, applicants must indicate that
they (or the nominee, in case of third-party nominations) are
available to attend at least one of the year’s IETF meetings in
person and in its entirety.

Nominations must include:

  * the name and email address of the nominee

  * a bibliographic reference to the published nominated paper

  * a PDF copy of the nominated paper

  * a statement that describes how the nominated paper fulfills the
    goals of the award

  * a statement about which of the year’s IETF meetings the nominee
    would be available to attend in person and in its entirety

  * a brief biography or CV of the nominee

  * optionally, any other supporting information (link to nominee’s
    web site, etc.)

Nominations are submitted via the submission site at
http://irtf.org/anrp/2012/. In exceptional cases, nominations may
also be submitted by email to anrp@irtf.org.


SELECTION PROCESS

A small selection committee comprised of individuals knowledgeable
about the IRTF, IETF and the broader networking research community
will evaluate the submissions against these selection criteria.


IMPORTANT DATES

Applications close:  May 13, 2012 (hard)
Notifications:       June 1, 2012


SPONSORS

The Applied Networking Research Prize (ANRP) is supported by the
Internet Society (ISOC), as part of its Internet Research Award
Programme, in coordination with the Internet Research Task Force
(IRTF).


HELP PUBLICIZE THE ANRP

If you would like to help publicize the ANRP within your
organization, you are welcome to print and use the flyer at
http://irtf.org/anrp-2012-flyer.pdf


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Hello Fatai,



Thank you very much for your work on OTNv3 signaling and the latest update.=
  I have a few questions/comments regarding the latest version of this docu=
ment.



1) Section 7. I believe another use case for the ADAPTATION object could be=
 to inform the tail-end node of the configuration of the head-end TSG setti=
ng for the FA-LSP. Do you agree?



2) Section 7.1. What will be the type of class for the ADAPTATION object (0=
bbbbbbb, 10bbbbbb, 11bbbbbb)? Depending on which range the class number fal=
ls, there may be backwards implications when signaling across RFC4328 links=
 (e.g., the translation method presented in Sect 9 may not be able to suppo=
rt ADAPTATION if class range is 11bbbbbb)



3) Section 7.1. Will the ADAPTATION object be carried in the Resv message, =
or is it carried only in the Path message?



4) Section 7.1. If head end selects TSG=3D1 (either 1.25 or 2.5), does the =
tail end need to inform the head end which TSG it selected, or does this se=
tting mean the head end has the transport-plane capability to automatically=
 detect and fallback to 2.5G.



5) Section 7.1. How does the Hierarchy TLV indicate multiple LO-ODUs at the=
 same level? Is this one hierarchy TLV per LO-ODU?  (The example shows that=
 when multiple ODUs are contained in the Hierarchy TLV that they represent =
multi-stage multiplexing).



6) Section 7.1. Indicating multistage multiplexing in the Hierarchy TLV doe=
s not have a way to specify the TSG for the intermediate ODU (the ODU2 in t=
he example in Sect 7.1). This seems to be the same issue that resulted in t=
he ADAPTATION object, server TSG TLV for the HO-ODU.



7) Section 8.  Errors should be sent with PathErr (also see comment #8)



    Section 8

    OLD:

    If any node along the ODUflex connection doesn't support hitless resizi=
ng, a Notify message ...



    NEW:

    If any node along the ODUflex connection doesn't support hitless resizi=
ng, a PathErr message ...



8) Section 8. I suggest that the procedure for handling a node that does no=
t support resizing is to PathErr (with Path State Removed).  The source nod=
e may decide to resignal with the non-resize signal type (ST=3D22). It does=
n't seem to be correct behavior to setup a ST=3D21 connection using ST=3D22=
 resources.



9) Section 8.  Assuming that PathTear should be used to teardown the origin=
al states for both bandwidth increasing and decreasing.



    Section 8

    OLD:

    Similarly, after completion of bandwidth decreasing, a ResvErr message =
SHOULD be sent ...



    NEW:

    Similarly, after completion of bandwidth decreasing, a PathTear message=
 SHOULD be sent ...



10) Section 9. This section permits the translation function, where a node =
that supports the new signaling can translate the OTNv3 signaling to RFC432=
8.  Is it also permissible to allow the translation from RFC4328 to OTNv3 (=
i.e., is it "once we are RFC4328, we remain RFC4328 to egress" or can we tr=
anslate back to OTNv3 signaling?)



Thanks,

Fred














Fred Gruman
Operations Planning
+1-972-479-2477


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<p class=3D"MsoPlainText">Hello Fatai,<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Thank you very much for your work on OTNv3 signal=
ing and the latest update.&nbsp; I have a few questions/comments regarding =
the latest version of this document.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">1) Section 7. I believe another use case for the =
ADAPTATION object could be to inform the tail-end node of the configuration=
 of the head-end TSG setting for the FA-LSP. Do you agree?<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">2) Section 7.1. What will be the type of class fo=
r the ADAPTATION object (0bbbbbbb, 10bbbbbb, 11bbbbbb)? Depending on which =
range the class number falls, there may be backwards implications when sign=
aling across RFC4328 links (e.g.,
 the translation method presented in Sect 9 may not be able to support ADAP=
TATION if class range is 11bbbbbb)<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">3) Section 7.1. Will the ADAPTATION object be car=
ried in the Resv message, or is it carried only in the Path message?<o:p></=
o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">4) Section 7.1. If head end selects TSG=3D1 (eith=
er 1.25 or 2.5), does the tail end need to inform the head end which TSG it=
 selected, or does this setting mean the head end has the transport-plane c=
apability to automatically detect and
 fallback to 2.5G.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">5) Section 7.1. How does the Hierarchy TLV indica=
te multiple LO-ODUs at the same level? Is this one hierarchy TLV per LO-ODU=
?&nbsp; (The example shows that when multiple ODUs are contained in the Hie=
rarchy TLV that they represent multi-stage
 multiplexing). <o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">6) Section 7.1. Indicating multistage multiplexin=
g in the Hierarchy TLV does not have a way to specify the TSG for the inter=
mediate ODU (the ODU2 in the example in Sect 7.1). This seems to be the sam=
e issue that resulted in the ADAPTATION
 object, server TSG TLV for the HO-ODU.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">7) Section 8.&nbsp; Errors should be sent with Pa=
thErr (also see comment #8)<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; Section 8 <o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;OLD:<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; If any node along the ODUflex =
connection doesn't support hitless resizing, a Notify message &#8230;<o:p><=
/o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; NEW:<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; If any node along the ODUflex =
connection doesn't support hitless resizing, a PathErr message &#8230;<o:p>=
</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">8) Section 8. I suggest that the procedure for ha=
ndling a node that does not support resizing is to PathErr (with Path State=
 Removed).&nbsp; The source node may decide to resignal with the non-resize=
 signal type (ST=3D22). It doesn't seem to
 be correct behavior to setup a ST=3D21 connection using ST=3D22 resources.=
<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">9) Section 8.&nbsp; Assuming that PathTear should=
 be used to teardown the original states for both bandwidth increasing and =
decreasing.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; Section 8 <o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;OLD:<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; Similarly, after completion of=
 bandwidth decreasing, a ResvErr message SHOULD be sent ...<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; NEW:<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp; Similarly, after completion of=
 bandwidth decreasing, a PathTear message SHOULD be sent ...<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">10) Section 9. This section permits the translati=
on function, where a node that supports the new signaling can translate the=
 OTNv3 signaling to RFC4328.&nbsp; Is it also permissible to allow the tran=
slation from RFC4328 to OTNv3 (i.e., is
 it &quot;once we are RFC4328, we remain RFC4328 to egress&quot; or can we =
translate back to OTNv3 signaling?)<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Thanks,<o:p></o:p></p>
<p class=3D"MsoPlainText">Fred<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Fred Gruman<o:p></o:p></p>
<p class=3D"MsoNormal">Operations Planning<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;1-972-479-2477<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_5DF87403A81B0C43AF3EB1626511B29204A4E48FRCHEXMBP2fncnet_--

From internet-drafts@ietf.org  Fri Apr 13 01:35:19 2012
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Subject: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ospf-g709v3-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : Traffic Engineering Extensions to OSPF for Generalized M=
PLS (GMPLS) Control of Evolving G.709 OTN Networks
	Author(s)       : Daniele Ceccarelli
                          Diego Caviglia
                          Fatai Zhang
                          Dan Li
                          Sergio Belotti
                          Pietro Vittorio Grandi
                          Rajan Rao
                          Khuzema Pithewan
                          John E Drake
	Filename        : draft-ietf-ccamp-gmpls-ospf-g709v3-02.txt
	Pages           : 31
	Date            : 2012-04-13

   The recent revision of ITU-T Recommendation G.709 [G709-V3] has
   introduced new fixed and flexible ODU containers, enabling optimized
   support for an increasingly abundant service mix.

   This document describes OSPF routing protocol extensions to support
   Generalized MPLS (GMPLS) control of all currently defined ODU
   containers, in support of both sub-lambda and lambda level routing
   granularity.


A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ospf-g709v3-02.t=
xt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ospf-g709v3-02.txt


From daniele.ceccarelli@ericsson.com  Fri Apr 13 01:37:37 2012
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: CCAMP <ccamp@ietf.org>
Date: Fri, 13 Apr 2012 10:37:33 +0200
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Hi all,

Minor updates for the OTN OSPF draft:

- compatibility section updated accordingly to Lou's suggestion
- IANA section introduced

BR
The authors=20

>-----Original Message-----
>From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org]=20
>On Behalf Of internet-drafts@ietf.org
>Sent: venerd=EC 13 aprile 2012 10.35
>To: i-d-announce@ietf.org
>Cc: ccamp@ietf.org
>Subject: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ospf-g709v3-02.txt
>
>
>A New Internet-Draft is available from the on-line=20
>Internet-Drafts directories. This draft is a work item of the=20
>Common Control and Measurement Plane Working Group of the IETF.
>
>	Title           : Traffic Engineering Extensions to=20
>OSPF for Generalized MPLS (GMPLS) Control of Evolving G.709=20
>OTN Networks
>	Author(s)       : Daniele Ceccarelli
>                          Diego Caviglia
>                          Fatai Zhang
>                          Dan Li
>                          Sergio Belotti
>                          Pietro Vittorio Grandi
>                          Rajan Rao
>                          Khuzema Pithewan
>                          John E Drake
>	Filename        : draft-ietf-ccamp-gmpls-ospf-g709v3-02.txt
>	Pages           : 31
>	Date            : 2012-04-13
>
>   The recent revision of ITU-T Recommendation G.709 [G709-V3] has
>   introduced new fixed and flexible ODU containers, enabling optimized
>   support for an increasingly abundant service mix.
>
>   This document describes OSPF routing protocol extensions to support
>   Generalized MPLS (GMPLS) control of all currently defined ODU
>   containers, in support of both sub-lambda and lambda level routing
>   granularity.
>
>
>A URL for this Internet-Draft is:
>http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ospf
>-g709v3-02.txt
>
>Internet-Drafts are also available by anonymous FTP at:
>ftp://ftp.ietf.org/internet-drafts/
>
>This Internet-Draft can be retrieved at:
>ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ospf-
>g709v3-02.txt
>
>_______________________________________________
>CCAMP mailing list
>CCAMP@ietf.org
>https://www.ietf.org/mailman/listinfo/ccamp
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From zhangfatai@huawei.com  Fri Apr 13 01:51:38 2012
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From: Fatai Zhang <zhangfatai@huawei.com>
To: "Gruman, Fred" <fred.gruman@us.fujitsu.com>, "ccamp@ietf.org" <ccamp@ietf.org>
Thread-Topic: [CCAMP] draft-ietf-ccamp-gmpls-signaling-g709v3-02 comments/questions
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Date: Fri, 13 Apr 2012 08:47:39 +0000
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt">Hi F=
red,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p=
>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt">Than=
ks for your comments.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p=
>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt">Plea=
se see in-line below.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p=
>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:12.0pt">Thanks<br>
&nbsp;<br>
Fatai</span><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p></o:p></sp=
an></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><o:p=
>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org=
]
<b>On Behalf Of </b>Gruman, Fred<br>
<b>Sent:</b> 2012</span><span style=3D"font-size:10.0pt;font-family:=CB=CE=
=CC=E5">=C4=EA</span><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fa=
mily:&quot;Tahoma&quot;,&quot;sans-serif&quot;">4</span><span style=3D"font=
-size:10.0pt;font-family:=CB=CE=CC=E5">=D4=C2</span><span lang=3D"EN-US" st=
yle=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quo=
t;">11</span><span style=3D"font-size:10.0pt;font-family:=CB=CE=CC=E5">=C8=
=D5</span><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;=
Tahoma&quot;,&quot;sans-serif&quot;">
 20:06<br>
<b>To:</b> ccamp@ietf.org<br>
<b>Subject:</b> [CCAMP] draft-ietf-ccamp-gmpls-signaling-g709v3-02 comments=
/questions<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hello Fatai,<o:p></o:p></spa=
n></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thank you very much for your=
 work on OTNv3 signaling and the latest update.&nbsp; I have a few question=
s/comments regarding the latest version of this document.<o:p></o:p></span>=
</p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:18.0pt;text-indent:-18.0pt;m=
so-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-US"><span style=3D"mso-list:Ignore">1=
)<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;
</span></span></span><![endif]><span lang=3D"EN-US">Section 7. I believe an=
other use case for the ADAPTATION object could be to inform the tail-end no=
de of the configuration of the head-end TSG setting for the FA-LSP. Do you =
agree?<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 It is not necessary to do that. There are two cases to make things clear. =
Case 1: If the head-end need one specific TSG and the tail-end
 can support that TSG, the FA-LSP will be created successfully, otherwise, =
it will refuse the setup. Case 2: If the head-end does not care about the T=
SG(either 1.25 or 2.5), the data plane can handle the fall-back procedures.
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">2) Section 7.1. What will be=
 the type of class for the ADAPTATION object (0bbbbbbb, 10bbbbbb, 11bbbbbb)=
? Depending on which range the class number falls, there may be backwards i=
mplications when signaling across RFC4328
 links (e.g., the translation method presented in Sect 9 may not be able to=
 support ADAPTATION if class range is 11bbbbbb)<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 The safe way is to make the type as 0bbbbbb, otherwise, an FA-LSP may be c=
reated, but it is not the expected one.
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">3) Section 7.1. Will the ADA=
PTATION object be carried in the Resv message, or is it carried only in the=
 Path message?<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 Only carried in the Path message. It can be carried in the Resv message, b=
ut it seems that it is redundant.&nbsp; See Point 1) above.<o:p></o:p></spa=
n></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">4) Section 7.1. If head end =
selects TSG=3D1 (either 1.25 or 2.5), does the tail end need to inform the =
head end which TSG it selected, or does this setting mean the head end has =
the transport-plane capability to automatically
 detect and fallback to 2.5G.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 It means the head end has data-plane fallback capability. See Point 1) abo=
ve.</span><span lang=3D"EN-US" style=3D"font-size:12.0pt;font-family:&quot;=
Calibri&quot;,&quot;sans-serif&quot;"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">5) Section 7.1. How does the=
 Hierarchy TLV indicate multiple LO-ODUs at the same level? Is this one hie=
rarchy TLV per LO-ODU?&nbsp; (The example shows that when multiple ODUs are=
 contained in the Hierarchy TLV that they
 represent multi-stage multiplexing). <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 Yes. This is one hierarchy TLV per Lo-ODU.</span><span lang=3D"EN-US" styl=
e=3D"font-size:12.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot=
;"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">6) Section 7.1. Indicating m=
ultistage multiplexing in the Hierarchy TLV does not have a way to specify =
the TSG for the intermediate ODU (the ODU2 in the example in Sect 7.1). Thi=
s seems to be the same issue that resulted
 in the ADAPTATION object, server TSG TLV for the HO-ODU.<o:p></o:p></span>=
</p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 Good capture. We discussed this issue when we update this version. We thin=
k there is no need to specify the TSG for the intermediate
 ODU. For example, when an ODU 3 FA-LSP is to be created, it only needs to =
specify which TSG needs to be exported towards his own clients, not the TSG=
 per layer.</span><span lang=3D"EN-US" style=3D"font-size:12.0pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">7) Section 8.&nbsp; Errors s=
hould be sent with PathErr (also see comment #8)<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; Section 8=
 <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;OLD:=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; If any no=
de along the ODUflex connection doesn't support hitless resizing, a Notify =
message =A1=AD<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; NEW:<o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; If any no=
de along the ODUflex connection doesn't support hitless resizing, a PathErr=
 message =A1=AD<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 Good capture. Need to be updated.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">8) Section 8. I suggest that=
 the procedure for handling a node that does not support resizing is to Pat=
hErr (with Path State Removed).&nbsp; The source node may decide to resigna=
l with the non-resize signal type (ST=3D22).
 It doesn't seem to be correct behavior to setup a ST=3D21 connection using=
 ST=3D22 resources.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">9) Section 8.&nbsp; Assuming=
 that PathTear should be used to teardown the original states for both band=
width increasing and decreasing.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; Section 8=
 <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;OLD:=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; Similarly=
, after completion of bandwidth decreasing, a ResvErr message SHOULD be sen=
t ...<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; NEW:<o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; Similarly=
, after completion of bandwidth decreasing, a PathTear message SHOULD be se=
nt ...<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 Agree. Need to be updated.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">10) Section 9. This section =
permits the translation function, where a node that supports the new signal=
ing can translate the OTNv3 signaling to RFC4328.&nbsp; Is it also permissi=
ble to allow the translation from RFC4328
 to OTNv3 (i.e., is it &quot;once we are RFC4328, we remain RFC4328 to egre=
ss&quot; or can we translate back to OTNv3 signaling?)<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">[Fatai]=
 Good capture. Your point makes sense. Need to be updated as what you sugge=
sted.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0">new----=
new (translation point)----old------old, in this case, for the Path directi=
on, it needs to do the translation from OTNv3 to RFC4328,
 but from the RESV direction, it is better to have the translation from RFC=
4328 to OTNv3 to make PSB/RSB consistent.
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#0070C0"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-size:12.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thanks,<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Fred<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Fred Gruman<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Operations Planning<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&#43;1-972-479-2477<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
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Subject: [CCAMP] I-D Action: draft-ietf-ccamp-rsvp-te-mpls-tp-oam-ext-08.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : Configuration of Pro-Active Operations, Administration, =
and Maintenance (OAM) Functions for MPLS-based Transport Networks using RSV=
P-TE
	Author(s)       : Elisa Bellagamba
                          Loa Andersson
                          Pontus Skoldstrom
                          Dave Ward
                          Attila Takacs
	Filename        : draft-ietf-ccamp-rsvp-te-mpls-tp-oam-ext-08.txt
	Pages           : 22
	Date            : 2012-04-13

   This specification describes the configuration of pro-active MPLS-TP
   Operations, Administration, and Maintenance (OAM) Functions for a
   given LSP using a set of TLVs that are carried by the RSVP-TE
   protocol.

   This document is a product of a joint Internet Engineering Task Force
   (IETF) / International Telecommunication Union Telecommunication
   Standardization Sector (ITU-T) effort to include an MPLS Transport
   Profile within the IETF MPLS and PWE3 architectures to support the
   capabilities and functionalities of a packet transport network.


A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rsvp-te-mpls-tp-oam-ex=
t-08.txt

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ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-rsvp-te-mpls-tp-oam-ext=
-08.txt


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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : Traffic Engineering Database Management Information Base=
 in support of MPLS-TE/GMPLS
	Author(s)       : Masanori Miyazawa
                          Tomohiro Otani
                          Kenji Kumaki
                          Thomas D. Nadeau
	Filename        : draft-ietf-ccamp-gmpls-ted-mib-12.txt
	Pages           : 32
	Date            : 2012-04-13

   This memo defines the Management Information Base (MIB) objects in
   order to manage traffic engineering database (TED) information with
   extension in support of Multi-Protocol Label Switching (MPLS) with
   traffic engineering (TE) as well as Generalized MPLS (GMPLS) for use
   with network management protocols.



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From acee.lindem@ericsson.com  Sat Apr 14 12:08:19 2012
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From: Acee Lindem <acee.lindem@ericsson.com>
To: CCAMP <ccamp@ietf.org>
Date: Sat, 14 Apr 2012 15:08:17 -0400
Thread-Topic: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt
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Hi Masanori, et al,=20
As we discussed offline, this version addresses all my comments.=20
Thanks,
Acee
On Apr 13, 2012, at 8:24 PM, <internet-drafts@ietf.org> <internet-drafts@ie=
tf.org> wrote:

>=20
> A New Internet-Draft is available from the on-line Internet-Drafts direct=
ories. This draft is a work item of the Common Control and Measurement Plan=
e Working Group of the IETF.
>=20
> 	Title           : Traffic Engineering Database Management Information Ba=
se in support of MPLS-TE/GMPLS
> 	Author(s)       : Masanori Miyazawa
>                          Tomohiro Otani
>                          Kenji Kumaki
>                          Thomas D. Nadeau
> 	Filename        : draft-ietf-ccamp-gmpls-ted-mib-12.txt
> 	Pages           : 32
> 	Date            : 2012-04-13
>=20
>   This memo defines the Management Information Base (MIB) objects in
>   order to manage traffic engineering database (TED) information with
>   extension in support of Multi-Protocol Label Switching (MPLS) with
>   traffic engineering (TE) as well as Generalized MPLS (GMPLS) for use
>   with network management protocols.
>=20
>=20
>=20
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ted-mib-12.txt
>=20
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>=20
> This Internet-Draft can be retrieved at:
> ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-ted-mib-12.txt
>=20
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp


From lberger@labn.net  Mon Apr 16 07:55:43 2012
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Subject: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Authors,

This message is a follow on to the discussion that we started to have in
Paris on the ADAPTATION Object.  I have two comments, the second of
which I didn't have time (during the presentation time period) to make:

1) Can you explain/justify why you are proposing carrying a subset of
the Payload type code points defined in G.709 (see Table 15-8) in the
ADAPTATION Object, but not others?

I'm not questioning the need for an end-to-end adaptation check, but
rather an apparent incomplete method for supporting this check.

2) Given the very limited number of remaining RSVP c-type values, I'm
struggling with justifying the definition of the new, perhaps not very
generic, ADAPTATION Object rather than carrying this information in an
existing (and more generic) object.  Have you considered carrying this
information elsewhere, e.g., LSP attributes, and if so what's your
thinking for not using such?

Lou (As WG participant)

From ramon.casellas@cttc.es  Mon Apr 16 23:49:04 2012
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El 14/04/2012 21:08, Acee Lindem escribió:
> As we discussed offline, this version addresses all my comments.
> Acee
Acee, authors, all,

Just a minor comment, shouldn't bandwidth values be in bytes per second 
(units) or I missed something ? (UNITS        "Bit per seconds" )

Thanks,
R.


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Hi, Ramon

Thank you for your comment on this document.
As you mentioned, OSPF and ISIS (RFC 3630 and 5307) define byte per =
second
(not bit).

If there is no problem, we will modify the definition of UNIT from bit =
per
second to byte per second.	=20
Any other comments about it?

Regards,
Masanori

-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf =
Of
Ramon Casellas
Sent: Tuesday, April 17, 2012 3:49 PM
To: ccamp@ietf.org
Subject: Re: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt

El 14/04/2012 21:08, Acee Lindem escribi=F3:
> As we discussed offline, this version addresses all my comments.
> Acee
Acee, authors, all,

Just a minor comment, shouldn't bandwidth values be in bytes per second=20
(units) or I missed something ? (UNITS        "Bit per seconds" )

Thanks,
R.

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From: Fatai Zhang <zhangfatai@huawei.com>
To: Lou Berger <lberger@labn.net>, "draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org>
Thread-Topic: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Subject: Re: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Cc: CCAMP <ccamp@ietf.org>, "draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org>
Subject: Re: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Fatai,
	See below.

On 4/17/2012 5:34 AM, Fatai Zhang wrote:
> Hi Lou,
> 
> Great points.
> 
> For point 1, the Adaption object in this draft is used to carry only
> OTN specific information that is needed to create an ODU FA-LSP to
> carry one specific ODU signal,

Well I can see this for Type 2 (Hierarchy signaling), but for FA/H-LSP +
Type 1 (Server TSG signaling) it seems that the same could be done with
G-PID.  If you disagree, what do you expect to carry in G-PID in the ODU
H-LSP case?

> but the other payload types (ie. other
> information in the table 15-8) should be still carried in G-PID as
> defined in RFC3471.

So what does it mean in a type 2 TLV to have a "non OTN signal types"
and GFP mappings?  It seems that these both cover cases beyond ODU
H-LSPs, am I wrong?

Lou

> 
> For point 2, good suggestion. I just checked RFC4420, I agree with
> you that it is better to put this information in LSP attributes,
> which is used to signal attributes required in   support of an LSP,
> or to indicate the nature or use of an LSP where that information is
> not required to be acted on by all transit LSRs.
> 
> 
> 
> 
> Thanks
>  
> Fatai
> 
> 
> -----Original Message-----
> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of Lou Berger
> Sent: 2012å¹´4æœˆ16æ—¥ 22:56
> To: draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org
> Cc: CCAMP
> Subject: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
> 
> Authors,
> 
> This message is a follow on to the discussion that we started to have in
> Paris on the ADAPTATION Object.  I have two comments, the second of
> which I didn't have time (during the presentation time period) to make:
> 
> 1) Can you explain/justify why you are proposing carrying a subset of
> the Payload type code points defined in G.709 (see Table 15-8) in the
> ADAPTATION Object, but not others?
> 
> I'm not questioning the need for an end-to-end adaptation check, but
> rather an apparent incomplete method for supporting this check.
> 
> 2) Given the very limited number of remaining RSVP c-type values, I'm
> struggling with justifying the definition of the new, perhaps not very
> generic, ADAPTATION Object rather than carrying this information in an
> existing (and more generic) object.  Have you considered carrying this
> information elsewhere, e.g., LSP attributes, and if so what's your
> thinking for not using such?
> 
> Lou (As WG participant)
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp

From jie.dong@huawei.com  Tue Apr 17 05:06:54 2012
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From: Jie Dong <jie.dong@huawei.com>
To: Lou Berger <lberger@labn.net>
Thread-Topic: Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Hi Lou,=20

Thanks a lot for your helpful comments during the ccamp session in Paris. I=
've checked the existing mechanisms you mentioned, and would like to have s=
ome discussion about them.

1. Testing mode and Lock Instruct

The testing (T) bit in ADMIN_STATUS object is defined in RFC3471. At a glan=
ce this may provide the similar function as Lock Instruction (LI) required,=
 though I did not find specific description about the use of test mode. Thu=
s I'm not quite sure whether there are some differences between test mode a=
nd lock instruct, could you shed some light on this? If they are the same, =
we could revise the draft to say that LI could be provided by the existing =
T bit, and focus on the extensions for loopback.

2. Notify message or ERO/SERO for sending request to target node

Section 4.3 of RFC3473 says:=20
" The Notify message differs from the currently defined error messages (i.e=
., PathErr and ResvErr messages) in that it can be "targeted" to a node oth=
er than the immediate upstream or downstream neighbor and that it is a gene=
ralized notification mechanism ... The Notify message may be sent either (a=
) normally, where non-target nodes just forward the Notify message to the t=
arget node, similar to ResvConf processing in [RFC2205]; or (b) encapsulate=
d in a new IP header whose destination is equal to the target IP address."

This capability of sending notification to a targeted node is what Loopback=
 needs. And then we followed the mechanism defined in RFC4974 for calls. Th=
e extension needed is a new flag in ADMIN_STATUS object.

In my understanding, ERO/SERO could achieve identification and configuratio=
n of a targeted node, by defining new ERO subobjects. For Loopback such ext=
ension may be more significant than just defining a new flag in an existing=
 object. But if a new subobject is to be defined for several related functi=
ons, this may be an interesting topic to have further discussions.

Best regards,
Jie


From lberger@labn.net  Tue Apr 17 06:05:56 2012
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Jie,
	Please see below.

On 4/17/2012 8:05 AM, Jie Dong wrote:
> Hi Lou, 
> 
> Thanks a lot for your helpful comments during the ccamp session in
> Paris. I've checked the existing mechanisms you mentioned, and would
> like to have some discussion about them.
> 
> 1. Testing mode and Lock Instruct
> 
> The testing (T) bit in ADMIN_STATUS object is defined in RFC3471. At
> a glance this may provide the similar function as Lock Instruction
> (LI) required, though I did not find specific description about the
> use of test mode. Thus I'm not quite sure whether there are some
> differences between test mode and lock instruct, could you shed some
> light on this? If they are the same, we could revise the draft to say
> that LI could be provided by the existing T bit, and focus on the
> extensions for loopback.

I think you may have missed my reference.  Take a look at section 13 of
RFC 4872.  I suspect you'll find the flags defined there to be a better
match.

> 
> 2. Notify message or ERO/SERO for sending request to target node
> 
> Section 4.3 of RFC3473 says: " The Notify message differs from the
> currently defined error messages (i.e., PathErr and ResvErr messages)
> in that it can be "targeted" to a node other than the immediate
> upstream or downstream neighbor and that it is a generalized
> notification mechanism ... The Notify message may be sent either (a)
> normally, where non-target nodes just forward the Notify message to
> the target node, similar to ResvConf processing in [RFC2205]; or (b)
> encapsulated in a new IP header whose destination is equal to the
> target IP address."
> 
> This capability of sending notification to a targeted node is what
> Loopback needs. And then we followed the mechanism defined in RFC4974
> for calls. The extension needed is a new flag in ADMIN_STATUS
> object.
> 
> In my understanding, ERO/SERO could achieve identification and
> configuration of a targeted node, by defining new ERO subobjects. For
> Loopback such extension may be more significant than just defining a
> new flag in an existing object. But if a new subobject is to be
> defined for several related functions, this may be an interesting
> topic to have further discussions.

I believe that Cyril said he'd take a pass at such a document (somewhat
based on/similar to draft-kern-ccamp-rsvpte-hop-attributes-00).  Why
don't we wait and see what comes of that before discussing this further.

Lou

> 
> Best regards, 
> Jie


From acee.lindem@ericsson.com  Tue Apr 17 08:10:49 2012
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From: Acee Lindem <acee.lindem@ericsson.com>
To: Masanori Miyazawa <ma-miyazawa@kddilabs.jp>
Date: Tue, 17 Apr 2012 11:10:30 -0400
Thread-Topic: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt
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Hi Masanori,
I agree that it should be bytes per second consistent with RFC 3630 and RFC=
 5307.=20
Thanks,
Acee
On Apr 17, 2012, at 5:01 AM, Masanori Miyazawa wrote:

> Hi, Ramon
>=20
> Thank you for your comment on this document.
> As you mentioned, OSPF and ISIS (RFC 3630 and 5307) define byte per secon=
d
> (not bit).
>=20
> If there is no problem, we will modify the definition of UNIT from bit pe=
r
> second to byte per second.	=20
> Any other comments about it?
>=20
> Regards,
> Masanori
>=20
> -----Original Message-----
> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of
> Ramon Casellas
> Sent: Tuesday, April 17, 2012 3:49 PM
> To: ccamp@ietf.org
> Subject: Re: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt
>=20
> El 14/04/2012 21:08, Acee Lindem escribi=F3:
>> As we discussed offline, this version addresses all my comments.
>> Acee
> Acee, authors, all,
>=20
> Just a minor comment, shouldn't bandwidth values be in bytes per second=20
> (units) or I missed something ? (UNITS        "Bit per seconds" )
>=20
> Thanks,
> R.
>=20
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp
>=20
> _______________________________________________
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> CCAMP@ietf.org
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From jie.dong@huawei.com  Tue Apr 17 18:50:51 2012
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From: Jie Dong <jie.dong@huawei.com>
To: Lou Berger <lberger@labn.net>
Thread-Topic: Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Lou,=20

Thanks for your prompt reply. Please see inline.

> I think you may have missed my reference.  Take a look at section 13 of
> RFC 4872.  I suspect you'll find the flags defined there to be a better
> match.

Thanks for pointing to this. Actually I looked at RFC 4872 first. While I a=
gree lockout in RFC 4872 and lock instruct look similar, IMO there are stil=
l some differences.=20

Section 13 of RFC 4872 talks about commands to influence recovery operation=
s. The lockout command is used to force the recovery LSP unavailable to tra=
nsport traffic (either normal or extra-traffic). It is only applicable to t=
he recovery LSP with particular protection type. While IMO Lock Instruct is=
 a general operation to an LSP, which can be either a working LSP or a reco=
very LSP, and with no constraint on the protection type.=20

> >
> > This capability of sending notification to a targeted node is what
> > Loopback needs. And then we followed the mechanism defined in RFC4974
> > for calls. The extension needed is a new flag in ADMIN_STATUS
> > object.
> >
> > In my understanding, ERO/SERO could achieve identification and
> > configuration of a targeted node, by defining new ERO subobjects. For
> > Loopback such extension may be more significant than just defining a
> > new flag in an existing object. But if a new subobject is to be
> > defined for several related functions, this may be an interesting
> > topic to have further discussions.
>=20
> I believe that Cyril said he'd take a pass at such a document (somewhat
> based on/similar to draft-kern-ccamp-rsvpte-hop-attributes-00).  Why
> don't we wait and see what comes of that before discussing this further.

Sounds good. Would like to see discussions and progress on that.

Many thanks,
Jie


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From lberger@labn.net  Wed Apr 18 04:56:34 2012
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Date: Wed, 18 Apr 2012 07:56:33 -0400
From: Lou Berger <lberger@labn.net>
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Jie,


Per RFC5860:

   2.2.6. Lock Instruct


   The MPLS-TP OAM toolset MUST provide functionality to enable an End
   Point of a PW, LSP, or Section to instruct its associated End
   Point(s) to lock the PW, LSP, or Section.  Note that lock corresponds
   to an administrative status in which it is expected that only test
   traffic, if any, and OAM (dedicated to the PW, LSP, or Section) can
   be mapped on that PW, LSP, or Section.

According to IANA there are the defined admin status bits:

Bit Number Hex Value               Name                   Reference
    0      0x80000000 Reflect (R)                     [RFC3473][RFC3471]
   1-24               Unassigned
    25     0x00000040 Handover (H)                    [RFC5852]
    26     0x00000020 Lockout (L)                     [RFC4872]
    27     0x00000010 Inhibit Alarm Communication (I) [RFC4783]
    28     0x00000008 Call control (C)                [RFC4974]
    29     0x00000004 Testing (T)                     [RFC3473][RFC3471]
    30     0x00000002 Administratively down (A)       [RFC3473][RFC3471]
    31     0x00000001 Deletion in progress (D)        [RFC3473][RFC3471]

RFC 4872 also defines  Lockout of normal traffic (via the O bit) and
Lockout of a recovery LSP (via the L bit).  I suspect there are
sufficient mechanisms that can be reused to document how Lock Instruct
can be supported without new mechanisms. (Which is a reasonable thing to
do.)

On 4/17/2012 9:47 PM, Jie Dong wrote:
> Lou, 
> 
> Thanks for your prompt reply. Please see inline.
> 
>> I think you may have missed my reference.  Take a look at section 13 of
>> RFC 4872.  I suspect you'll find the flags defined there to be a better
>> match.
> 
> Thanks for pointing to this. Actually I looked at RFC 4872 first.
> While I agree lockout in RFC 4872 and lock instruct look similar, IMO
> there are still some differences.
> 
> Section 13 of RFC 4872 talks about commands to influence recovery
> operations. The lockout command is used to force the recovery LSP
> unavailable to transport traffic (either normal or extra-traffic). It
> is only applicable to the recovery LSP with particular protection
> type. While IMO Lock Instruct is a general operation to an LSP, which
> can be either a working LSP or a recovery LSP, and with no constraint
> on the protection type.
> 

So you're point is that you don't like the existing mechanisms and ae
proposing an alternate.  Is this correct?

Lou

>>>
>>> This capability of sending notification to a targeted node is what
>>> Loopback needs. And then we followed the mechanism defined in RFC4974
>>> for calls. The extension needed is a new flag in ADMIN_STATUS
>>> object.
>>>
>>> In my understanding, ERO/SERO could achieve identification and
>>> configuration of a targeted node, by defining new ERO subobjects. For
>>> Loopback such extension may be more significant than just defining a
>>> new flag in an existing object. But if a new subobject is to be
>>> defined for several related functions, this may be an interesting
>>> topic to have further discussions.
>>
>> I believe that Cyril said he'd take a pass at such a document (somewhat
>> based on/similar to draft-kern-ccamp-rsvpte-hop-attributes-00).  Why
>> don't we wait and see what comes of that before discussing this further.
> 
> Sounds good. Would like to see discussions and progress on that.
> 
> Many thanks,
> Jie
> 
> 
> 
> 
> 

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Subject: [CCAMP] Draft  IETF 83 CCAMP Minutes Available
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All,
	The draft minutes from our Paris sessions have been uploaded
and are available at:

    http://www.ietf.org/proceedings/83/minutes/minutes-83-ccamp.htm

Please send any corrections to the list as soon as possible.

Much thanks to our secretaries, Dan King and Daniele Ceccarelli, for
preparing the minutes!

Lou and Deborah

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Subject: Re: [CCAMP] Draft  IETF 83 CCAMP Minutes Available
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Dear WG chairs &  secretaries,

        Thanks for the minutes. Just a very minor comment. In the part abou=
t http://tools.ietf.org/html/draft-zhang-ccamp-srlg-fa-configuration-05, af=
ter the conversation and poll reflected in the minutes, I asked what were t=
he next steps and Lou mentioned that they would take the draft to the list.

        =D3scar

>-----Mensaje original-----
>De: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] En nombre de
>Lou Berger
>Enviado el: mi=E9rcoles, 18 de abril de 2012 14:06
>Para: CCAMP
>Asunto: [CCAMP] Draft IETF 83 CCAMP Minutes Available
>
>All,
>       The draft minutes from our Paris sessions have been uploaded and
>are available at:
>
>    http://www.ietf.org/proceedings/83/minutes/minutes-83-ccamp.htm
>
>Please send any corrections to the list as soon as possible.
>
>Much thanks to our secretaries, Dan King and Daniele Ceccarelli, for prepa=
ring
>the minutes!
>
>Lou and Deborah
>_______________________________________________
>CCAMP mailing list
>CCAMP@ietf.org
>https://www.ietf.org/mailman/listinfo/ccamp

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From cyril.margaria@nsn.com  Wed Apr 18 08:57:21 2012
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From: "Margaria, Cyril (NSN - DE/Munich)" <cyril.margaria@nsn.com>
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Subject: [CCAMP] FW: I-D Action: draft-margaria-ccamp-lsp-attribute-ero-00.txt
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Hi all,=20

Following Lou directions we wrote a draft addressing a generic LSP
attribute subobject in the ERO.

Comments are welcome.

Best regards
Cyril

> -----Original Message-----
> From: i-d-announce-bounces@ietf.org [mailto:i-d-announce-
> bounces@ietf.org] On Behalf Of ext internet-drafts@ietf.org
> Sent: Wednesday, April 18, 2012 5:50 PM
> To: i-d-announce@ietf.org
> Subject: I-D Action: draft-margaria-ccamp-lsp-attribute-ero-00.txt
>=20
>=20
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
>=20
> 	Title           : LSP Attribute in ERO
> 	Author(s)       : Cyril Margaria
>                           Dirk Schroetter
>                           Giovanni Martinelli
> 	Filename        : draft-margaria-ccamp-lsp-attribute-ero-00.txt
> 	Pages           : 11
> 	Date            : 2012-04-18
>=20
>    LSP attributes can be specified or recorded for whole path, but
they
>    cannot be specified as part of an Explicit Route Object (ERO).
This
>    document extend the semantic for RSVP ERO object with a new
> subobject
>    to carry LSP attributes.
>=20
>=20
> A URL for this Internet-Draft is:
>
http://www.ietf.org/internet-drafts/draft-margaria-ccamp-lsp-attribute-
> ero-00.txt
>=20
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>=20
> This Internet-Draft can be retrieved at:
> ftp://ftp.ietf.org/internet-drafts/draft-margaria-ccamp-lsp-attribute-
> ero-00.txt
>=20
> _______________________________________________
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> Internet-Draft directories: http://www.ietf.org/shadow.html or
> ftp://ftp.ietf.org/ietf/1shadow-sites.txt

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Subject: Re: [CCAMP] Optical int class, changes to draft-ietf-ccamp-rwa-info-14
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Hi Giovanni, I still don't understand what problem the "Optical 
Interface Class" is addressing. You seem to be replacing something that 
is well defined "modulation type" with something less precise, and 
removing the important detailed FEC type information.

For the non-impairment case in ITU-T G.959.1 where they define various 
"optical tributary signal classes". This is the basis for the 
"modulation type" in the WSON info draft.  In GMPLS WSON extensions we 
are not trying to take on the entire management plane we take a minimal 
subset needed for connection provisioning. Perhaps if we just rename our 
"modulation type" to "optical tributary signal class" this will clear up 
any confusion.  Otherwise we need to know more specifically what you 
think you need added and why you want to remove the FEC type.

ITU-T G.698.1 and G.698.2 reference G.959.1 and other documents to 
create "application codes" which describe link and signal attributes. 
These application codes have the form: DScW-ytz(v) where
     D     indicates DWDM applications  --> Why do you need or want 
this? DWDM and CWDM data planes can't talk, LMP will tell you this
     S     indicates maximum spectral excursion --> Sounds impairment 
related...
     c     is the channel spacing in GHz --> Wouldn't LMP catch this 
incompatibility?
     W    is a letter indicating the span distance (S = short haul, L 
long haul) --> This seems like coarse impairment information
     y     indicates the the highest class of optical tributary signal 
supported  --> From ITU-T G.959.1, already have in WG draft.
     t     is a placeholder letter
     z     indicates the fiber type  --> This seems like very coarse 
grained impairment information.
     v     indicates the operating wavelength range in terms of spectral 
bands --> Already have in more detail

We already explicitly support "y" (our more detailed modulation type 
list) and "v" (we support the more detailed port wavelength constraint 
explicitly).

Lyndon and other "Optical Interface Class" co-authors in the bay area, 
perhaps we can meet and discuss.

Best Regards
Greg B.

On 3/30/2012 1:21 AM, Giovanni Martinelli wrote:
> Dear WG,
>
> according to input from Lou here the suggested changes on 
> draft-ietf-ccamp-rwa-info-14  if the Optical Interface Class is used:
>
> #1  Section 5.2
> OLD:
> <InputConstraints> ::= <SharedInput> [<ModulationTypeList>]
>    [<FECTypeList>] [<BitRateRange>] [<ClientSignalList>]
>
> NEW:
> <InputConstraints> ::= <SharedInput> [<OpticalInterfaceClassList>] 
> [<ClientSignalList>]
>
>
> #2 Section 5.2
> OLD:
> <OutputConstraints> := <SharedOutput> [<ModulationTypeList>]
>    [<FECTypeList>]
>
> NEW:
> <OutputConstraints> := <SharedOutput> [<OpticalInterfaceClassList>]
>
>
> #3 Section 5.3.1
> OLD:
>       5.3.2. Modulation Type List
>
>       Modulation type, also known as optical tributary signal class,
>       comes in two distinct flavors: (i) ITU-T standardized types; (ii)
>       vendor specific types. The permitted modulation type list can
>       include any mixture of standardized and vendor specific types.
>
> <modulation-list>::=
>       [<STANDARD_MODULATION>|<VENDOR_MODULATION>]...
>
>       Where the STANDARD_MODULATION object just represents one of the
>       ITU-T standardized optical tributary signal class and the
>       VENDOR_MODULATION object identifies one vendor specific
>       modulation type.
>
>       5.3.3. FEC Type List
>
>       Some devices can handle more than one FEC type and hence a list
>       is needed.
>
> <fec-list>::= [<FEC>]
>
>       Where the FEC object represents one of the ITU-T standardized
>       FECs defined in [G.709], [G.707], [G.975.1] or a vendor-specific
>       FEC.
>
>       5.3.4. Bit Rate Range List
>
>       Some devices can handle more than one particular bit rate range
>       and hence a list is needed.
>
> <rate-range-list>::= [<rate-range>]...
>
> <rate-range>::=<START_RATE><END_RATE>
>
>       Where the START_RATE object represents the lower end of the range
>       and the END_RATE object represents the higher end of the range.
>
>
>
> NEW:
>     5.3.2 Optical Interface Class List
>
> <OpticalInterfaceClassList> ::= <OPTICAL_INT_CLASS> ...
>
>     Where the term <OPTICAL_INT_CLASS> is defined by [xyz].
>
>
>
> for the info model, That's all folks
> Cheers
> G
>
>
>
>
>
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp


-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237



--------------020701000302060606020000
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    Hi Giovanni, I still don't understand what problem the "Optical
    Interface Class" is addressing. You seem to be replacing something
    that is well defined "modulation type" with something less precise,
    and removing the important detailed FEC type information.<br>
    <br>
    For the non-impairment case in ITU-T G.959.1 where they define
    various "optical tributary signal classes". This is the basis for
    the "modulation type" in the WSON info draft.&nbsp; In GMPLS WSON
    extensions we are not trying to take on the entire management plane
    we take a minimal subset needed for connection provisioning. Perhaps
    if we just rename our "modulation type" to "optical tributary signal
    class" this will clear up any confusion.&nbsp; Otherwise we need to know
    more specifically what you think you need added and why you want to
    remove the FEC type.<br>
    <br>
    ITU-T G.698.1 and G.698.2 reference G.959.1 and other documents to
    create "application codes" which describe link and signal
    attributes. These application codes have the form: DScW-ytz(v) where<br>
    &nbsp;&nbsp;&nbsp; D &nbsp;&nbsp;&nbsp; indicates DWDM applications&nbsp; --&gt; Why do you need or
    want this? DWDM and CWDM data planes can't talk, LMP will tell you
    this<br>
    &nbsp;&nbsp;&nbsp; S&nbsp;&nbsp; &nbsp; indicates maximum spectral excursion --&gt; Sounds
    impairment related...<br>
    &nbsp;&nbsp;&nbsp; c &nbsp;&nbsp;&nbsp; is the channel spacing in GHz --&gt; Wouldn't LMP catch
    this incompatibility? <br>
    &nbsp;&nbsp;&nbsp; W&nbsp;&nbsp;&nbsp; is a letter indicating the span distance (S = short haul, L
    long haul) --&gt; This seems like coarse impairment information<br>
    &nbsp;&nbsp;&nbsp; y &nbsp;&nbsp;&nbsp; indicates the the highest class of optical tributary
    signal supported&nbsp; --&gt; From ITU-T G.959.1, already have in WG
    draft.<br>
    &nbsp;&nbsp;&nbsp; t &nbsp;&nbsp;&nbsp; is a placeholder letter<br>
    &nbsp;&nbsp;&nbsp; z&nbsp;&nbsp;&nbsp;&nbsp; indicates the fiber type&nbsp; --&gt; This seems like very
    coarse grained impairment information.<br>
    &nbsp;&nbsp;&nbsp; v &nbsp;&nbsp;&nbsp; indicates the operating wavelength range in terms of
    spectral bands --&gt; Already have in more detail<br>
    <br>
    We already explicitly support "y" (our more detailed modulation type
    list) and "v" (we support the more detailed port wavelength
    constraint explicitly).<br>
    <br>
    Lyndon and other "Optical Interface Class" co-authors in the bay
    area, perhaps we can meet and discuss.<br>
    <br>
    Best Regards<br>
    Greg B.<br>
    <br>
    On 3/30/2012 1:21 AM, Giovanni Martinelli wrote:
    <blockquote cite="mid:4F756D18.6080106@cisco.com" type="cite">
      <meta http-equiv="content-type" content="text/html;
        charset=ISO-8859-1">
      Dear WG,<br>
      <br>
      according to input from Lou here the suggested changes on
      draft-ietf-ccamp-rwa-info-14&nbsp; if the Optical Interface Class is
      used:<br>
      <br>
      #1&nbsp; Section 5.2<br>
      OLD:<br>
      &lt;InputConstraints&gt; ::= &lt;SharedInput&gt;
      [&lt;ModulationTypeList&gt;]<br>
      &nbsp;&nbsp; [&lt;FECTypeList&gt;] [&lt;BitRateRange&gt;]
      [&lt;ClientSignalList&gt;]<br>
      <meta http-equiv="content-type" content="text/html;
        charset=ISO-8859-1">
      <br>
      NEW:<br>
      &lt;InputConstraints&gt; ::= &lt;SharedInput&gt;
      [&lt;OpticalInterfaceClassList&gt;] [&lt;ClientSignalList&gt;]<br>
      <br>
      <br>
      #2 Section 5.2<br>
      OLD:<br>
      &lt;OutputConstraints&gt; := &lt;SharedOutput&gt;
      [&lt;ModulationTypeList&gt;]<br>
      &nbsp;&nbsp; [&lt;FECTypeList&gt;]<br>
      <br>
      NEW:<br>
      &lt;OutputConstraints&gt; := &lt;SharedOutput&gt;
      [&lt;OpticalInterfaceClassList&gt;]<br>
      <br>
      <br>
      #3 Section 5.3.1<br>
      OLD:<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5.3.2. Modulation Type List<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Modulation type, also known as optical tributary signal
      class,<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; comes in two distinct flavors: (i) ITU-T standardized types;
      (ii)<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vendor specific types. The permitted modulation type list
      can<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; include any mixture of standardized and vendor specific
      types.<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;modulation-list&gt;::=<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [&lt;STANDARD_MODULATION&gt;|&lt;VENDOR_MODULATION&gt;]...<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Where the STANDARD_MODULATION object just represents one of
      the<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ITU-T standardized optical tributary signal class and the<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VENDOR_MODULATION object identifies one vendor specific<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; modulation type.<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5.3.3. FEC Type List<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Some devices can handle more than one FEC type and hence a
      list<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is needed.<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;fec-list&gt;::= [&lt;FEC&gt;]<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Where the FEC object represents one of the ITU-T
      standardized<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; FECs defined in [G.709], [G.707], [G.975.1] or a
      vendor-specific<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; FEC.<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5.3.4. Bit Rate Range List<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Some devices can handle more than one particular bit rate
      range<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; and hence a list is needed.<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;rate-range-list&gt;::= [&lt;rate-range&gt;]...<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;rate-range&gt;::=&lt;START_RATE&gt;&lt;END_RATE&gt;<br>
      <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Where the START_RATE object represents the lower end of the
      range<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; and the END_RATE object represents the higher end of the
      range.<br>
      <br>
      <br>
      <br>
      NEW:<br>
      &nbsp;&nbsp;&nbsp; 5.3.2 Optical Interface Class List<br>
      <br>
      &nbsp;&nbsp;&nbsp; &lt;OpticalInterfaceClassList&gt; ::=
      &lt;OPTICAL_INT_CLASS&gt; ...<br>
      <br>
      &nbsp;&nbsp;&nbsp; Where the term &lt;OPTICAL_INT_CLASS&gt; is defined by [xyz].<br>
      <br>
      <br>
      <br>
      for the info model, That's all folks<br>
      Cheers<br>
      G<br>
      <br>
      <br>
      <br>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
CCAMP mailing list
<a class="moz-txt-link-abbreviated" href="mailto:CCAMP@ietf.org">CCAMP@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/ccamp">https://www.ietf.org/mailman/listinfo/ccamp</a>
</pre>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237

</pre>
  </body>
</html>

--------------020701000302060606020000--

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<body lang=3D"ZH-CN" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Fei,<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">=
&lt;fei&gt; </span>
</tt><span lang=3D"EN-US"><br>
</span><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">According to my =
understanding, the function of lock is to put the transport path into tempo=
ral unavialable state, which SHOULD be applicable to either recovery or wor=
king transport paths. Although the usage
 of &nbsp;&quot;L&quot; bit in RFC4872 is just like what you said, which ca=
n be updated to cover more scenarios.</span></tt><span lang=3D"EN-US">
<br>
</span><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">&lt;/fei&gt;</sp=
an></tt><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Agreed. Th=
e existing lockout may be updated to cover both working LSP and recovery LS=
P.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Jie<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> zhang.fei3@zte.com.cn [mailto:zhang.fei3@zte.com.cn]
<br>
<b>Sent:</b> Wednesday, April 18, 2012 4:03 PM<br>
<b>To:</b> Jie Dong; Lou Berger<br>
<b>Cc:</b> ccamp@ietf.org; ccamp-bounces@ietf.org<br>
<b>Subject:</b> Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls=
-tp-li-lb<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
</span><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Ari=
al&quot;,&quot;sans-serif&quot;">Jie</span><span lang=3D"EN-US">
<br>
<br>
</span><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Ari=
al&quot;,&quot;sans-serif&quot;">See my2cents lined with &lt;fei&gt;&lt;/fe=
i&gt;</span><span lang=3D"EN-US">
<br>
<br>
</span><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Ari=
al&quot;,&quot;sans-serif&quot;">Best
</span><span lang=3D"EN-US"><br>
<br>
</span><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Ari=
al&quot;,&quot;sans-serif&quot;">Fei</span><span lang=3D"EN-US">
<br>
<br>
<o:p></o:p></span></p>
<table class=3D"MsoNormalTable" border=3D"0" cellpadding=3D"0" width=3D"100=
%" style=3D"width:100.0%">
<tbody>
<tr>
<td width=3D"36%" valign=3D"top" style=3D"width:36.0%;padding:.75pt .75pt .=
75pt .75pt">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:7.5pt;fon=
t-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Jie Dong &lt;jie.dong@hu=
awei.com&gt;</span></b><span lang=3D"EN-US" style=3D"font-size:7.5pt;font-f=
amily:&quot;Arial&quot;,&quot;sans-serif&quot;">
</span><span lang=3D"EN-US"><br>
</span><span style=3D"font-size:7.5pt">=B7=A2=BC=FE=C8=CB</span><span lang=
=3D"EN-US" style=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;san=
s-serif&quot;">: &nbsp;ccamp-bounces@ietf.org</span><span lang=3D"EN-US">
<o:p></o:p></span></p>
<p><span lang=3D"EN-US" style=3D"font-size:7.5pt;font-family:&quot;Arial&qu=
ot;,&quot;sans-serif&quot;">2012-04-18 09:47</span><span lang=3D"EN-US">
<o:p></o:p></span></p>
</td>
<td width=3D"63%" valign=3D"top" style=3D"width:63.0%;padding:.75pt .75pt .=
75pt .75pt">
<table class=3D"MsoNormalTable" border=3D"0" cellpadding=3D"0" width=3D"100=
%" style=3D"width:100.0%">
<tbody>
<tr>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><span sty=
le=3D"font-size:7.5pt">=CA=D5=BC=FE=C8=CB</span><span lang=3D"EN-US"><o:p><=
/o:p></span></p>
</td>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:7.5pt;font-f=
amily:&quot;Arial&quot;,&quot;sans-serif&quot;">Lou Berger &lt;lberger@labn=
.net&gt;</span><span lang=3D"EN-US">
<o:p></o:p></span></p>
</td>
</tr>
<tr>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><span sty=
le=3D"font-size:7.5pt">=B3=AD=CB=CD</span><span lang=3D"EN-US"><o:p></o:p><=
/span></p>
</td>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:7.5pt;font-f=
amily:&quot;Arial&quot;,&quot;sans-serif&quot;">&quot;ccamp@ietf.org&quot; =
&lt;ccamp@ietf.org&gt;</span><span lang=3D"EN-US">
<o:p></o:p></span></p>
</td>
</tr>
<tr>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><span sty=
le=3D"font-size:7.5pt">=D6=F7=CC=E2</span><span lang=3D"EN-US"><o:p></o:p><=
/span></p>
</td>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:7.5pt;font-f=
amily:&quot;Arial&quot;,&quot;sans-serif&quot;">Re: [CCAMP] Discussions abo=
ut draft-dong-ccamp-rsvp-te-mpls-tp-li-lb</span><span lang=3D"EN-US"><o:p><=
/o:p></span></p>
</td>
</tr>
</tbody>
</table>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<table class=3D"MsoNormalTable" border=3D"0" cellpadding=3D"0">
<tbody>
<tr>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt"></td>
<td valign=3D"top" style=3D"padding:.75pt .75pt .75pt .75pt"></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
<br>
<br>
</span><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">Lou, </span></tt=
><span lang=3D"EN-US" style=3D"font-size:10.0pt"><br>
<br>
<tt>Thanks for your prompt reply. Please see inline.</tt><br>
<br>
<tt>&gt; I think you may have missed my reference. &nbsp;Take a look at sec=
tion 13 of</tt><br>
<tt>&gt; RFC 4872. &nbsp;I suspect you'll find the flags defined there to b=
e a better</tt><br>
<tt>&gt; match.</tt><br>
<br>
<tt>Thanks for pointing to this. Actually I looked at RFC 4872 first. While=
 I agree lockout in RFC 4872 and lock instruct look similar, IMO there are =
still some differences.
</tt><br>
<br>
<tt>Section 13 of RFC 4872 talks about commands to influence recovery opera=
tions. The lockout command is used to force the recovery LSP unavailable to=
 transport traffic (either normal or extra-traffic). It is only applicable =
to the recovery LSP with particular
 protection type. While IMO Lock Instruct is a general operation to an LSP,=
 which can be either a working LSP or a recovery LSP, and with no constrain=
t on the protection type.
</tt></span><span lang=3D"EN-US"><br>
<br>
</span><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">&lt;fei&gt; </sp=
an></tt><span lang=3D"EN-US"><br>
</span><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">According to my =
understanding, the function of lock is to put the transport path into tempo=
ral unavialable state, which SHOULD be applicable to either recovery or wor=
king transport paths. Although the usage
 of &nbsp;&quot;L&quot; bit in RFC4872 is just like what you said, which ca=
n be updated to cover more scenarios.</span></tt><span lang=3D"EN-US">
<br>
</span><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">&lt;/fei&gt; </s=
pan></tt><span lang=3D"EN-US" style=3D"font-size:10.0pt"><br>
<br>
<tt>&gt; &gt;</tt><br>
<tt>&gt; &gt; This capability of sending notification to a targeted node is=
 what</tt><br>
<tt>&gt; &gt; Loopback needs. And then we followed the mechanism defined in=
 RFC4974</tt><br>
<tt>&gt; &gt; for calls. The extension needed is a new flag in ADMIN_STATUS=
</tt><br>
<tt>&gt; &gt; object.</tt><br>
<tt>&gt; &gt;</tt><br>
<tt>&gt; &gt; In my understanding, ERO/SERO could achieve identification an=
d</tt><br>
<tt>&gt; &gt; configuration of a targeted node, by defining new ERO subobje=
cts. For</tt><br>
<tt>&gt; &gt; Loopback such extension may be more significant than just def=
ining a</tt><br>
<tt>&gt; &gt; new flag in an existing object. But if a new subobject is to =
be</tt><br>
<tt>&gt; &gt; defined for several related functions, this may be an interes=
ting</tt><br>
<tt>&gt; &gt; topic to have further discussions.</tt><br>
<tt>&gt; </tt><br>
<tt>&gt; I believe that Cyril said he'd take a pass at such a document (som=
ewhat</tt><br>
<tt>&gt; based on/similar to draft-kern-ccamp-rsvpte-hop-attributes-00). &n=
bsp;Why</tt><br>
<tt>&gt; don't we wait and see what comes of that before discussing this fu=
rther.</tt><br>
<br>
<tt>Sounds good. Would like to see discussions and progress on that.</tt><b=
r>
<br>
<tt>Many thanks,</tt><br>
<tt>Jie</tt><br>
<br>
<tt>_______________________________________________</tt><br>
<tt>CCAMP mailing list</tt><br>
<tt>CCAMP@ietf.org</tt><br>
<tt>https://www.ietf.org/mailman/listinfo/ccamp</tt><br>
<br>
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
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From: Jie Dong <jie.dong@huawei.com>
To: Lou Berger <lberger@labn.net>
Thread-Topic: Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Date: Thu, 19 Apr 2012 01:54:46 +0000
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Hi Lou,=20

Totally agree that it would be good if existing mechanism can be reused to =
support lock instruct. This discussion is just to make sure whether existin=
g mechanisms can meet the requirement well, or some updates to them are nee=
ded (as Fei said).=20

Section 13 of RFC 4872 says:=20

B. Lockout of normal traffic:
   The O bit of the PROTECTION object is set to 1 to force the recovery LSP=
 to be temporarily unavailable to transport normal traffic.

So the O bit is also defined for lockout of the recovery LSP. For Lock Inst=
ruct we may need to update this to make it applicable to both working LSP a=
nd recovery LSP.=20

Best regards,
Jie


> -----Original Message-----
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: Wednesday, April 18, 2012 7:57 PM
> To: Jie Dong
> Cc: ccamp@ietf.org
> Subject: Re: Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
>=20
> Jie,
>=20
>=20
> Per RFC5860:
>=20
>    2.2.6. Lock Instruct
>=20
>=20
>    The MPLS-TP OAM toolset MUST provide functionality to enable an End
>    Point of a PW, LSP, or Section to instruct its associated End
>    Point(s) to lock the PW, LSP, or Section.  Note that lock corresponds
>    to an administrative status in which it is expected that only test
>    traffic, if any, and OAM (dedicated to the PW, LSP, or Section) can
>    be mapped on that PW, LSP, or Section.
>=20
> According to IANA there are the defined admin status bits:
>=20
> Bit Number Hex Value               Name                   Reference
>     0      0x80000000 Reflect (R)
> [RFC3473][RFC3471]
>    1-24               Unassigned
>     25     0x00000040 Handover (H)                    [RFC5852]
>     26     0x00000020 Lockout (L)                     [RFC4872]
>     27     0x00000010 Inhibit Alarm Communication (I) [RFC4783]
>     28     0x00000008 Call control (C)                [RFC4974]
>     29     0x00000004 Testing (T)
> [RFC3473][RFC3471]
>     30     0x00000002 Administratively down (A)
> [RFC3473][RFC3471]
>     31     0x00000001 Deletion in progress (D)
> [RFC3473][RFC3471]
>=20
> RFC 4872 also defines  Lockout of normal traffic (via the O bit) and
> Lockout of a recovery LSP (via the L bit).  I suspect there are
> sufficient mechanisms that can be reused to document how Lock Instruct
> can be supported without new mechanisms. (Which is a reasonable thing to
> do.)
>=20

> On 4/17/2012 9:47 PM, Jie Dong wrote:
> > Lou,
> >
> > Thanks for your prompt reply. Please see inline.
> >
> >> I think you may have missed my reference.  Take a look at section 13 o=
f
> >> RFC 4872.  I suspect you'll find the flags defined there to be a bette=
r
> >> match.
> >
> > Thanks for pointing to this. Actually I looked at RFC 4872 first.
> > While I agree lockout in RFC 4872 and lock instruct look similar, IMO
> > there are still some differences.
> >
> > Section 13 of RFC 4872 talks about commands to influence recovery
> > operations. The lockout command is used to force the recovery LSP
> > unavailable to transport traffic (either normal or extra-traffic). It
> > is only applicable to the recovery LSP with particular protection
> > type. While IMO Lock Instruct is a general operation to an LSP, which
> > can be either a working LSP or a recovery LSP, and with no constraint
> > on the protection type.
> >
>=20
> So you're point is that you don't like the existing mechanisms and ae
> proposing an alternate.  Is this correct?
>=20
> Lou
>=20
> >>>
> >>> This capability of sending notification to a targeted node is what
> >>> Loopback needs. And then we followed the mechanism defined in
> RFC4974
> >>> for calls. The extension needed is a new flag in ADMIN_STATUS
> >>> object.
> >>>
> >>> In my understanding, ERO/SERO could achieve identification and
> >>> configuration of a targeted node, by defining new ERO subobjects. For
> >>> Loopback such extension may be more significant than just defining a
> >>> new flag in an existing object. But if a new subobject is to be
> >>> defined for several related functions, this may be an interesting
> >>> topic to have further discussions.
> >>
> >> I believe that Cyril said he'd take a pass at such a document (somewha=
t
> >> based on/similar to draft-kern-ccamp-rsvpte-hop-attributes-00).  Why
> >> don't we wait and see what comes of that before discussing this furthe=
r.
> >
> > Sounds good. Would like to see discussions and progress on that.
> >
> > Many thanks,
> > Jie
> >
> >
> >
> >
> >

From lberger@labn.net  Thu Apr 19 06:02:20 2012
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Date: Thu, 19 Apr 2012 09:02:11 -0400
From: Lou Berger <lberger@labn.net>
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Cc: "ccamp@ietf.org" <ccamp@ietf.org>
Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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sigh.

On 4/18/2012 9:54 PM, Jie Dong wrote:
> Hi Lou, 
> 
> Totally agree that it would be good if existing mechanism can be
> reused to support lock instruct. This discussion is just to make sure
> whether existing mechanisms can meet the requirement well, or some
> updates to them are needed (as Fei said).
> 
> Section 13 of RFC 4872 says: 
> 
> B. Lockout of normal traffic:
> The O bit of the PROTECTION object is set to 1 to force the recovery
> LSP to be temporarily unavailable to transport normal traffic.
> 
> So the O bit is also defined for lockout of the recovery LSP. For
> Lock Instruct we may need to update this to make it applicable to
> both working LSP and recovery LSP.
> 

did you read "A. Lockout of recovery LSP:"?  Is this not sufficient?

Lou

> Best regards,
> Jie
> 
> 
>> -----Original Message-----
>> From: Lou Berger [mailto:lberger@labn.net]
>> Sent: Wednesday, April 18, 2012 7:57 PM
>> To: Jie Dong
>> Cc: ccamp@ietf.org
>> Subject: Re: Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
>>
>> Jie,
>>
>>
>> Per RFC5860:
>>
>>    2.2.6. Lock Instruct
>>
>>
>>    The MPLS-TP OAM toolset MUST provide functionality to enable an End
>>    Point of a PW, LSP, or Section to instruct its associated End
>>    Point(s) to lock the PW, LSP, or Section.  Note that lock corresponds
>>    to an administrative status in which it is expected that only test
>>    traffic, if any, and OAM (dedicated to the PW, LSP, or Section) can
>>    be mapped on that PW, LSP, or Section.
>>
>> According to IANA there are the defined admin status bits:
>>
>> Bit Number Hex Value               Name                   Reference
>>     0      0x80000000 Reflect (R)
>> [RFC3473][RFC3471]
>>    1-24               Unassigned
>>     25     0x00000040 Handover (H)                    [RFC5852]
>>     26     0x00000020 Lockout (L)                     [RFC4872]
>>     27     0x00000010 Inhibit Alarm Communication (I) [RFC4783]
>>     28     0x00000008 Call control (C)                [RFC4974]
>>     29     0x00000004 Testing (T)
>> [RFC3473][RFC3471]
>>     30     0x00000002 Administratively down (A)
>> [RFC3473][RFC3471]
>>     31     0x00000001 Deletion in progress (D)
>> [RFC3473][RFC3471]
>>
>> RFC 4872 also defines  Lockout of normal traffic (via the O bit) and
>> Lockout of a recovery LSP (via the L bit).  I suspect there are
>> sufficient mechanisms that can be reused to document how Lock Instruct
>> can be supported without new mechanisms. (Which is a reasonable thing to
>> do.)
>>
> 
>> On 4/17/2012 9:47 PM, Jie Dong wrote:
>>> Lou,
>>>
>>> Thanks for your prompt reply. Please see inline.
>>>
>>>> I think you may have missed my reference.  Take a look at section 13 of
>>>> RFC 4872.  I suspect you'll find the flags defined there to be a better
>>>> match.
>>>
>>> Thanks for pointing to this. Actually I looked at RFC 4872 first.
>>> While I agree lockout in RFC 4872 and lock instruct look similar, IMO
>>> there are still some differences.
>>>
>>> Section 13 of RFC 4872 talks about commands to influence recovery
>>> operations. The lockout command is used to force the recovery LSP
>>> unavailable to transport traffic (either normal or extra-traffic). It
>>> is only applicable to the recovery LSP with particular protection
>>> type. While IMO Lock Instruct is a general operation to an LSP, which
>>> can be either a working LSP or a recovery LSP, and with no constraint
>>> on the protection type.
>>>
>>
>> So you're point is that you don't like the existing mechanisms and ae
>> proposing an alternate.  Is this correct?
>>
>> Lou
>>
>>>>>
>>>>> This capability of sending notification to a targeted node is what
>>>>> Loopback needs. And then we followed the mechanism defined in
>> RFC4974
>>>>> for calls. The extension needed is a new flag in ADMIN_STATUS
>>>>> object.
>>>>>
>>>>> In my understanding, ERO/SERO could achieve identification and
>>>>> configuration of a targeted node, by defining new ERO subobjects. For
>>>>> Loopback such extension may be more significant than just defining a
>>>>> new flag in an existing object. But if a new subobject is to be
>>>>> defined for several related functions, this may be an interesting
>>>>> topic to have further discussions.
>>>>
>>>> I believe that Cyril said he'd take a pass at such a document (somewhat
>>>> based on/similar to draft-kern-ccamp-rsvpte-hop-attributes-00).  Why
>>>> don't we wait and see what comes of that before discussing this further.
>>>
>>> Sounds good. Would like to see discussions and progress on that.
>>>
>>> Many thanks,
>>> Jie
>>>
>>>
>>>
>>>
>>>
> 
> 
> 
> 

From sergio.belotti@alcatel-lucent.com  Thu Apr 19 08:03:48 2012
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To: Lou Berger <lberger@labn.net>
Date: Thu, 19 Apr 2012 17:03:12 +0200
Thread-Topic: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Cc: CCAMP <ccamp@ietf.org>, "draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org>
Subject: [CCAMP] R: A couple of comments on	draft-ietf-ccamp-gmpls-signaling-g709v3-02
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From ma-miyazawa@kddilabs.jp  Thu Apr 19 15:04:15 2012
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To: "'Acee Lindem'" <acee.lindem@ericsson.com>
References: <20120414002417.13249.58136.idtracker@ietfa.amsl.com> <0AFCAE2C-9E4F-4E81-82A2-B13E9C27E843@ericsson.com> <4F8D1258.5000501@cttc.es> <007c01cd1c78$ba379330$2ea6b990$@kddilabs.jp> <1E4CFF92-AE96-4FCE-9F39-A9B5A237A16A@ericsson.com>
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Subject: Re: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt
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Acee,

Thank you. I will update the document.=20

If there are any comments, please let me know.

Regards,
Masanori

-----Original Message-----
From: Acee Lindem [mailto:acee.lindem@ericsson.com]=20
Sent: Wednesday, April 18, 2012 12:11 AM
To: Masanori Miyazawa
Cc: Ramon Casellas; ccamp@ietf.org
Subject: Re: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt

Hi Masanori,
I agree that it should be bytes per second consistent with RFC 3630 and =
RFC
5307.=20
Thanks,
Acee
On Apr 17, 2012, at 5:01 AM, Masanori Miyazawa wrote:

> Hi, Ramon
>=20
> Thank you for your comment on this document.
> As you mentioned, OSPF and ISIS (RFC 3630 and 5307) define byte per=20
> second (not bit).
>=20
> If there is no problem, we will modify the definition of UNIT from bit =
per
> second to byte per second.	=20
> Any other comments about it?
>=20
> Regards,
> Masanori
>=20
> -----Original Message-----
> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf =

> Of Ramon Casellas
> Sent: Tuesday, April 17, 2012 3:49 PM
> To: ccamp@ietf.org
> Subject: Re: [CCAMP] I-D Action: draft-ietf-ccamp-gmpls-ted-mib-12.txt
>=20
> El 14/04/2012 21:08, Acee Lindem escribi=F3:
>> As we discussed offline, this version addresses all my comments.
>> Acee
> Acee, authors, all,
>=20
> Just a minor comment, shouldn't bandwidth values be in bytes per =
second=20
> (units) or I missed something ? (UNITS        "Bit per seconds" )
>=20
> Thanks,
> R.
>=20
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
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>=20
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Proto-write-up for: draft-ietf-ccamp-assoc-info-03.txt


(1) What type of RFC is being requested (BCP, Proposed Standard,
Internet Standard, Informational, Experimental, or Historic)?  Why
is this the proper type of RFC?  Is this type of RFC indicated in the
title page header?

Informational. Provides additional narrative, no new procedures or
mechanisms are defined. Yes.

(2) The IESG approval announcement includes a Document Announcement
Write-Up. Please provide such a Document Announcement Write-Up. Recent
examples can be found in the "Action" announcements for approved
documents. The approval announcement contains the following sections:

Technical Summary

The RSVP ASSOCIATION object was defined in the context of GMPLS
(Generalized Multi-Protocol Label Switching) controlled label
switched paths (LSPs).  In this context, the object is used to
associate recovery LSPs with the LSP they are protecting.  This
document reviews how association is to be provided in the context
of GMPLS recovery.  No new procedures or mechanisms are
defined by this document and it is strictly informative in nature.


Working Group Summary

  Was there anything in WG process that is worth noting? For
  example, was there controversy about particular points or
  were there decisions where the consensus was particularly
  rough?

No. Document was a result of questions on proper interpretation of
this object. Good support by the WG.

Document Quality

  Are there existing implementations of the protocol? Have a
  significant number of vendors indicated their plan to
  implement the specification? Are there any reviewers that
  merit special mention as having done a thorough review,
  e.g., one that resulted in important changes or a
  conclusion that the document had no substantive issues? If
  there was a MIB Doctor, Media Type or other expert review,
  what was its course (briefly)? In the case of a Media Type
  review, on what date was the request posted?

Not applicable for this document.

Personnel

  Who is the Document Shepherd? Who is the Responsible Area
  Director?

Deborah Brungard is the Document Shepherd. Adrian Farrel is the
Area Director.

(3) Briefly describe the review of this document that was performed by
the Document Shepherd.  If this version of the document is not ready
for publication, please explain why the document is being forwarded to
the IESG.

This document has been adequately reviewed.

(4) Does the document Shepherd have any concerns about the depth or
breadth of the reviews that have been performed?

No concerns.

(5) Do portions of the document need review from a particular or from
broader perspective, e.g., security, operational complexity, AAA, DNS,
DHCP, XML, or internationalization? If so, describe the review that
took place.

No.

(6) Describe any specific concerns or issues that the Document Shepherd
has with this document that the Responsible Area Director and/or the
IESG should be aware of? For example, perhaps he or she is uncomfortable
with certain parts of the document, or has concerns whether there really
is a need for it. In any event, if the WG has discussed those issues and
has indicated that it still wishes to advance the document, detail those
concerns here.

No concerns.

(7) Has each author confirmed that any and all appropriate IPR
disclosures required for full conformance with the provisions of BCP 78
and BCP 79 have already been filed. If not, explain why.

Yes.

(8) Has an IPR disclosure been filed that references this document?
If so, summarize any WG discussion and conclusion regarding the IPR
disclosures.

No.

(9) How solid is the WG consensus behind this document? Does it
represent the strong concurrence of a few individuals, with others
being silent, or does the WG as a whole understand and agree with it?

The WG supported this document.

(10) Has anyone threatened an appeal or otherwise indicated extreme
discontent? If so, please summarise the areas of conflict in separate
email messages to the Responsible Area Director. (It should be in a
separate email because this questionnaire is publicly available.)

No.

(11) Identify any ID nits the Document Shepherd has found in this
document. (See http://www.ietf.org/tools/idnits/ and the Internet-Drafts
Checklist). Boilerplate checks are not enough; this check needs to be
thorough.

No issues.

(12) Describe how the document meets any required formal review
criteria, such as the MIB Doctor, media type, and URI type reviews.

Not applicable.

(13) Have all references within this document been identified as
either normative or informative?

Yes.

(14) Are there normative references to documents that are not ready for
advancement or are otherwise in an unclear state? If such normative
references exist, what is the plan for their completion?

No.

(15) Are there downward normative references references (see RFC 3967)?
If so, list these downward references to support the Area Director in the
Last Call procedure.

No.

(16) Will publication of this document change the status of any
existing RFCs? Are those RFCs listed on the title page header, listed
in the abstract, and discussed in the introduction? If the RFCs are not
listed in the Abstract and Introduction, explain why, and point to the
part of the document where the relationship of this document to the
other RFCs is discussed. If this information is not in the document,
explain why the WG considers it unnecessary.

No.

(17) Describe the Document Shepherd's review of the IANA considerations
section, especially with regard to its consistency with the body of the
document. Confirm that all protocol extensions that the document makes
are associated with the appropriate reservations in IANA registries.
Confirm that any referenced IANA registries have been clearly
identified. Confirm that newly created IANA registries include a
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(19) Describe reviews and automated checks performed by the Document
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From: Mach Chen <mach.chen@huawei.com>
To: Lou Berger <lberger@labn.net>, Jie Dong <jie.dong@huawei.com>
Thread-Topic: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Hi Lou

Snipped

>=20
> RFC 4872 also defines  Lockout of normal traffic (via the O bit) and
> Lockout of a recovery LSP (via the L bit).  I suspect there are
> sufficient mechanisms that can be reused to document how Lock Instruct
> can be supported without new mechanisms. (Which is a reasonable thing
> to
> do.)

For the Lockout function, according to the Section 13 of RFC 4872, my under=
standing of both the O bit and L bit are only applicable to the "RECOVERY" =
LSP, if we want to reuse the existing bits for the Lock function of MPLS-TP=
, some clarification updates are necessary. For example:

OLD:
Lockout (L): 1 bit

        When set, forces the recovery LSP to be temporarily unavailable
        to transport traffic (either normal or extra traffic).=20

New:
Lockout (L): 1 bit

        When set, forces the LSP to be temporarily unavailable
        to transport traffic.

My suggest is that we could extend the scope of L bit to make it applies to=
 working LSP as well in draft-dong-ccamp-rsvp-te-mpls-tp-li-lb, does it mak=
e sense?

Best regards,
Mach

From francesco.fondelli@gmail.com  Sat Apr 21 12:38:58 2012
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Hi All,

the "Lock Instruct and Loopback Functions" [6435] and the lockout of the
protection path [4872, 3471, 3473] are orthogonal concepts, IMHO.

1)
Overloading O bit is problematic:

--- 4872 ---
    Operational (O): 1 bit

         When set to 1, this bit indicates that the protecting LSP is
         carrying the normal traffic after protection switching.  The O
         bit is only applicable when the P bit is set to 1, and the LSP
         Protection Type Flag is set to either 0x04 (1:N Protection with
         Extra-Traffic), or 0x08 (1+1 Unidirectional Protection) or 0x10
         (1+1 Bidirectional Protection).  The O bit MUST be set to 0 in
         any other case.
---

As far as I understand the "Lock Instruct and Loopback Functions"
[6435] apply to any LSP (protected or not), however the "O bit
MUST be set to 0 in any other case" and I read "any other case"
as unprotected/full-rerouting.  I guess "LI & LOOP func" is also
applicable in the absence of a PROTECTION obj.

2)
L bit in ADMIN_STATUS is problematic too (basically, because what Mach
said).  It would be difficult to disambiguate "I want to lock
this recovery LSP out of the protection domain" (legacy behavior)
and "I want to lock this (w or p or whatever) LSP out of normal
service (in order to eventually make a loop-back test)".

3)
T bit is... I've always wondered how people use the T bit... :-)

For the sake of clarity I think a new bit in the ADMIN_STATUS is
preferable.  Just my opinion.

I do have a question about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb-02...
... do the concepts of "lock a LSP out of normal service" and "perform a
data-plane loop-back test" belongs only to MPLS-TP ?  What about other
GMPLS controlled technologies ?

thanks
Ciao
FF

On Sat, Apr 21, 2012 at 4:08 AM, Mach Chen <mach.chen@huawei.com> wrote:
> Hi Lou
>
> Snipped
>
>>
>> RFC 4872 also defines =C2=A0Lockout of normal traffic (via the O bit) an=
d
>> Lockout of a recovery LSP (via the L bit). =C2=A0I suspect there are
>> sufficient mechanisms that can be reused to document how Lock Instruct
>> can be supported without new mechanisms. (Which is a reasonable thing
>> to
>> do.)
>
> For the Lockout function, according to the Section 13 of RFC 4872, my und=
erstanding of both the O bit and L bit are only applicable to the "RECOVERY=
" LSP, if we want to reuse the existing bits for the Lock function of MPLS-=
TP, some clarification updates are necessary. For example:
>
> OLD:
> Lockout (L): 1 bit
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0When set, forces the recovery LSP to be tempor=
arily unavailable
> =C2=A0 =C2=A0 =C2=A0 =C2=A0to transport traffic (either normal or extra t=
raffic).
>
> New:
> Lockout (L): 1 bit
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0When set, forces the LSP to be temporarily una=
vailable
> =C2=A0 =C2=A0 =C2=A0 =C2=A0to transport traffic.
>
> My suggest is that we could extend the scope of L bit to make it applies =
to working LSP as well in draft-dong-ccamp-rsvp-te-mpls-tp-li-lb, does it m=
ake sense?
>
> Best regards,
> Mach
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp

From lberger@labn.net  Sun Apr 22 09:32:17 2012
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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So I think there's multiple ways to reuse the existing bits.  We just
have to agree on which bits have applicability to TP's Lock Instruct.
Looking back at the TP requirement we have:

   2.2.6. Lock Instruct

   The MPLS-TP OAM toolset MUST provide functionality to enable an End
   Point of a PW, LSP, or Section to instruct its associated End
   Point(s) to lock the PW, LSP, or Section.  Note that lock corresponds
   to an administrative status in which it is expected that only test
   traffic, if any, and OAM (dedicated to the PW, LSP, or Section) can
   be mapped on that PW, LSP, or Section.

So we have:
1) lock corresponds to an administrative status

-- Great, seems to map to setting the ADMIN_STATUS object A bid
      Administratively down (A): 1 bit

         When set, indicates that the local actions related to the
         "administratively down" state should be taken.

2)  only test traffic, if any,

-- Great, seems to map to setting the ADMIN_STATUS T bit when testing
traffic is present
      Testing (T): 1 bit

         When set, indicates that the local actions related to the
         "testing" mode should be taken.

3) The above seems to cover the unprotected case, now we also have the
existing O and L bits for the protection cases.

-- When LI is on a working path, the traffic needs to be switched to a
recovery lsp, as is already described in 4872 (the RFC even tells you
when to set the A bit!), and then to also follow the "Lockout of normal
traffic" procedure.

-- When LI is on a recovery LSP, the traffic may need to be switched
back to the working LSP, as is already described in 4872, and then to
also follow the "Lockout of recovery LSP" procedure.

So if we have a document that says that all TP implementations will use
the above to support TP LI, are there any TP LI requirements that are
not met?

Lou

On 4/21/2012 3:38 PM, Francesco Fondelli wrote:
> Hi All,
> 
> the "Lock Instruct and Loopback Functions" [6435] and the lockout of the
> protection path [4872, 3471, 3473] are orthogonal concepts, IMHO.
> 
> 1)
> Overloading O bit is problematic:
> 
> --- 4872 ---
>     Operational (O): 1 bit
> 
>          When set to 1, this bit indicates that the protecting LSP is
>          carrying the normal traffic after protection switching.  The O
>          bit is only applicable when the P bit is set to 1, and the LSP
>          Protection Type Flag is set to either 0x04 (1:N Protection with
>          Extra-Traffic), or 0x08 (1+1 Unidirectional Protection) or 0x10
>          (1+1 Bidirectional Protection).  The O bit MUST be set to 0 in
>          any other case.
> ---
> 
> As far as I understand the "Lock Instruct and Loopback Functions"
> [6435] apply to any LSP (protected or not), however the "O bit
> MUST be set to 0 in any other case" and I read "any other case"
> as unprotected/full-rerouting.  I guess "LI & LOOP func" is also
> applicable in the absence of a PROTECTION obj.
> 
> 2)
> L bit in ADMIN_STATUS is problematic too (basically, because what Mach
> said).  It would be difficult to disambiguate "I want to lock
> this recovery LSP out of the protection domain" (legacy behavior)
> and "I want to lock this (w or p or whatever) LSP out of normal
> service (in order to eventually make a loop-back test)".
> 
> 3)
> T bit is... I've always wondered how people use the T bit... :-)
> 
> For the sake of clarity I think a new bit in the ADMIN_STATUS is
> preferable.  Just my opinion.
> 
> I do have a question about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb-02...
> ... do the concepts of "lock a LSP out of normal service" and "perform a
> data-plane loop-back test" belongs only to MPLS-TP ?  What about other
> GMPLS controlled technologies ?
> 
> thanks
> Ciao
> FF
> 
> On Sat, Apr 21, 2012 at 4:08 AM, Mach Chen <mach.chen@huawei.com> wrote:
>> Hi Lou
>>
>> Snipped
>>
>>>
>>> RFC 4872 also defines  Lockout of normal traffic (via the O bit) and
>>> Lockout of a recovery LSP (via the L bit).  I suspect there are
>>> sufficient mechanisms that can be reused to document how Lock Instruct
>>> can be supported without new mechanisms. (Which is a reasonable thing
>>> to
>>> do.)
>>
>> For the Lockout function, according to the Section 13 of RFC 4872, my understanding of both the O bit and L bit are only applicable to the "RECOVERY" LSP, if we want to reuse the existing bits for the Lock function of MPLS-TP, some clarification updates are necessary. For example:
>>
>> OLD:
>> Lockout (L): 1 bit
>>
>>        When set, forces the recovery LSP to be temporarily unavailable
>>        to transport traffic (either normal or extra traffic).
>>
>> New:
>> Lockout (L): 1 bit
>>
>>        When set, forces the LSP to be temporarily unavailable
>>        to transport traffic.
>>
>> My suggest is that we could extend the scope of L bit to make it applies to working LSP as well in draft-dong-ccamp-rsvp-te-mpls-tp-li-lb, does it make sense?
>>
>> Best regards,
>> Mach
>> _______________________________________________
>> CCAMP mailing list
>> CCAMP@ietf.org
>> https://www.ietf.org/mailman/listinfo/ccamp
> 
> 
> 
> 

From mach.chen@huawei.com  Sun Apr 22 19:21:12 2012
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From: Mach Chen <mach.chen@huawei.com>
To: Lou Berger <lberger@labn.net>, Francesco Fondelli <francesco.fondelli@gmail.com>, Jie Dong <jie.dong@huawei.com>
Thread-Topic: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Date: Mon, 23 Apr 2012 02:19:09 +0000
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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From: Jie Dong <jie.dong@huawei.com>
To: Francesco Fondelli <francesco.fondelli@gmail.com>, Mach Chen <mach.chen@huawei.com>
Thread-Topic: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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From lberger@labn.net  Mon Apr 23 07:02:40 2012
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Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Mach,



See below.

On 4/22/2012 10:19 PM, Mach Chen wrote:
> Hi Lou, FF and others,
> 
> I agree the principle that we should try to reuse the existing bits when possible, but we also need to avoid overuse that may cause potential confusion or conflicts with the existing usage.  
> 
> Please see my reply inline...
> 
>> -----Original Message-----
>> From: Lou Berger [mailto:lberger@labn.net]
>> Sent: Monday, April 23, 2012 12:32 AM
>> To: Francesco Fondelli; Mach Chen; Jie Dong
>> Cc: ccamp@ietf.org
>> Subject: Re: [CCAMP] Discussions about
>> draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
>>
>> So I think there's multiple ways to reuse the existing bits.  We just
>> have to agree on which bits have applicability to TP's Lock Instruct.
>> Looking back at the TP requirement we have:
>>
>>    2.2.6. Lock Instruct
>>
>>    The MPLS-TP OAM toolset MUST provide functionality to enable an End
>>    Point of a PW, LSP, or Section to instruct its associated End
>>    Point(s) to lock the PW, LSP, or Section.  Note that lock corresponds
>>    to an administrative status in which it is expected that only test
>>    traffic, if any, and OAM (dedicated to the PW, LSP, or Section) can
>>    be mapped on that PW, LSP, or Section.
>>
>> So we have:
>> 1) lock corresponds to an administrative status
>>
>> -- Great, seems to map to setting the ADMIN_STATUS object A bid
>>       Administratively down (A): 1 bit
>>
>>          When set, indicates that the local actions related to the
>>          "administratively down" state should be taken.
> 
> I am not sure whether this mode allows the test and OAM traffic be mapped on the LSP, seems not (my reading of it), so it seems that it cannot satisfy the requirement. 
> 

Why not?

>>
>> 2)  only test traffic, if any,
>>
>> -- Great, seems to map to setting the ADMIN_STATUS T bit when testing
>> traffic is present
>>       Testing (T): 1 bit
>>
>>          When set, indicates that the local actions related to the
>>          "testing" mode should be taken.
> 
> T bit seems better than A bit, but there is only few description about what's the "testing" mode, if it was chosen, some clarifications are needed. For example, "In testing mode, only the test traffic, if any, and OAM (dedicated to the LSP) can be mapped on that LSP". 
> 

Right, the A and T bits were always intended to have technology specific
meanings.

So, just define how you want to have the A and T bits to be
interpreted/used for TP, once the WG agrees, the work is done.  No new
bits or really even new mechanisms, just agreement on usage for TP.

>>
>> 3) The above seems to cover the unprotected case, now we also have the
>> existing O and L bits for the protection cases.
>>
>> -- When LI is on a working path, the traffic needs to be switched to a
>> recovery lsp, as is already described in 4872 (the RFC even tells you
>> when to set the A bit!), and then to also follow the "Lockout of normal
>> traffic" procedure.
>>
>> -- When LI is on a recovery LSP, the traffic may need to be switched
>> back to the working LSP, as is already described in 4872, and then to
>> also follow the "Lockout of recovery LSP" procedure.
> 
> The LI function does not differ the normal and extra traffic, 

Sure.  But RFC4872 does, so the 1 requirement (prevent usage by user
traffic) can use the ADMIN_STATUS A bit defined in 3471/3 and 2
mechanism already defined in 4872.

> at first glance, we had thought we could reuse these bits for LI. But when deep in more, we found that they are not suitable at least as it current definition. As FF said, we also wondered how people will use the T bit:-), it defines as:
> 
> Lockout (L): 1 bit
> 
>         When set, forces the recovery LSP to be temporarily unavailable
>         to transport traffic (either normal or extra traffic).
> 
> It intends to lock out EITHER the normal OR extra traffic, my reading of this is that the L bit cannot be used alone, it must be used with other bits(e.g., the O bit) hence to make sure whether the normal or extra traffic should be locked out. So I think the L and O bit are not suitable for the TI function.
> 
> And if the T bit can be updated as above, it could apply to both working and recovery LSP, so there is no need to give more meanings to the L and O bits.. 
> 
>>
>> So if we have a document that says that all TP implementations will use
>> the above to support TP LI, are there any TP LI requirements that are
>> not met?
> 
> IMHO, we should avoid using the combination of the above bits to support TP LI, it's a bit complicate, especially from the view of implementation. I am open to reuse the existing bit or define new bit, if the WG have the consensus to reuse the existing bits(e.g., the T bit), we could update the draft to reflect that. 
> 

I understand the desire for a simple, single bit, solution, but GMPLS is
an existing protocol that predates TP by a long time.  We should reuse
the existing mechanisms to meet TP's specific (but not unique)
requirements.  You mention that you're worried about "confusion or
conflicts" with exiting implementations, I'm not sure there are any in
this case as we are simply talking about using the bits as intended, i.e.:
  A bit = Administratively down (i.e., don't use it for user traffic)
  T bit = Testing (i.e., LSP is carrying test traffic)
  O/L bits =  Lockout of normal/recovery LSP (i.e., don't use
              working/protection LSP for user traffic)

and adding some specific TP usage, e.g., something along the lines of:
  TP Rule 1: To set TP LI on an unprotected LSP, set the A-bit on
             the LSP being locked. (as defined in rfc 3473/1)
  TP Rule 2: To set TP LI on an protected working path LSP,
             move the user traffic to a protection LSP, set the
             O-bit on the protection LSP, then set the A-bit on the
             the LSP being locked. (as defined in rfc 4872)
  TP Rule 3: To set TP LI on an protection path LSP, if not already
             done move the user traffic to the working (or another
             protection) LSP, set the L-bit on the protection LSP,
             set the A-bit on the LSP being locked. (all as defined in
             rfc 4872).
  TP Rule 4: Before sending test traffic on a locked LSP, set the T-bit.
  TP Rule 5: When no longer sending test traffic on a locked LSP, clear
             the T-bit.
  TP Rule 6: To remove TP LI, clear the A bit and, if set above, the
             L-bit.  When the O-bit is set, revert according to working
             LSP status/settings following procedures in RFC4872.

Other than it being "a bit complicated", is there a TP requirement that
can't be met by the existing mechanisms and usage rules?

If not, then general approach of the WG (and GMPLS) is to (re)use common
mechanisms wherever possible even when a new mechanisms could be "more
optimal" or "simpler"...

Lou

> Many thanks,
> Mach
>>
>> Lou
>>
>> On 4/21/2012 3:38 PM, Francesco Fondelli wrote:
>>> Hi All,
>>>
>>> the "Lock Instruct and Loopback Functions" [6435] and the lockout of
>> the
>>> protection path [4872, 3471, 3473] are orthogonal concepts, IMHO.
>>>
>>> 1)
>>> Overloading O bit is problematic:
>>>
>>> --- 4872 ---
>>>     Operational (O): 1 bit
>>>
>>>          When set to 1, this bit indicates that the protecting LSP is
>>>          carrying the normal traffic after protection switching.  The O
>>>          bit is only applicable when the P bit is set to 1, and the LSP
>>>          Protection Type Flag is set to either 0x04 (1:N Protection with
>>>          Extra-Traffic), or 0x08 (1+1 Unidirectional Protection) or 0x10
>>>          (1+1 Bidirectional Protection).  The O bit MUST be set to 0 in
>>>          any other case.
>>> ---
>>>
>>> As far as I understand the "Lock Instruct and Loopback Functions"
>>> [6435] apply to any LSP (protected or not), however the "O bit
>>> MUST be set to 0 in any other case" and I read "any other case"
>>> as unprotected/full-rerouting.  I guess "LI & LOOP func" is also
>>> applicable in the absence of a PROTECTION obj.
>>>
>>> 2)
>>> L bit in ADMIN_STATUS is problematic too (basically, because what Mach
>>> said).  It would be difficult to disambiguate "I want to lock
>>> this recovery LSP out of the protection domain" (legacy behavior)
>>> and "I want to lock this (w or p or whatever) LSP out of normal
>>> service (in order to eventually make a loop-back test)".
>>>
>>> 3)
>>> T bit is... I've always wondered how people use the T bit... :-)
>>>
>>> For the sake of clarity I think a new bit in the ADMIN_STATUS is
>>> preferable.  Just my opinion.
>>>
>>> I do have a question about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb-02...
>>> ... do the concepts of "lock a LSP out of normal service" and "perform a
>>> data-plane loop-back test" belongs only to MPLS-TP ?  What about
>> other
>>> GMPLS controlled technologies ?
>>>
>>> thanks
>>> Ciao
>>> FF
>>>
>>> On Sat, Apr 21, 2012 at 4:08 AM, Mach Chen <mach.chen@huawei.com>
>> wrote:
>>>> Hi Lou
>>>>
>>>> Snipped
>>>>
>>>>>
>>>>> RFC 4872 also defines  Lockout of normal traffic (via the O bit) and
>>>>> Lockout of a recovery LSP (via the L bit).  I suspect there are
>>>>> sufficient mechanisms that can be reused to document how Lock
>> Instruct
>>>>> can be supported without new mechanisms. (Which is a reasonable
>> thing
>>>>> to
>>>>> do.)
>>>>
>>>> For the Lockout function, according to the Section 13 of RFC 4872, my
>> understanding of both the O bit and L bit are only applicable to the
>> "RECOVERY" LSP, if we want to reuse the existing bits for the Lock function
>> of MPLS-TP, some clarification updates are necessary. For example:
>>>>
>>>> OLD:
>>>> Lockout (L): 1 bit
>>>>
>>>>        When set, forces the recovery LSP to be temporarily
>> unavailable
>>>>        to transport traffic (either normal or extra traffic).
>>>>
>>>> New:
>>>> Lockout (L): 1 bit
>>>>
>>>>        When set, forces the LSP to be temporarily unavailable
>>>>        to transport traffic.
>>>>
>>>> My suggest is that we could extend the scope of L bit to make it applies
>> to working LSP as well in draft-dong-ccamp-rsvp-te-mpls-tp-li-lb, does it
>> make sense?
>>>>
>>>> Best regards,
>>>> Mach
>>>> _______________________________________________
>>>> CCAMP mailing list
>>>> CCAMP@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/ccamp
>>>
>>>
>>>
>>>
> 
> 
> 
> 

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Date: Mon, 23 Apr 2012 12:51:42 -0400
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Cc: CCAMP <ccamp@ietf.org>, "draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org>
Subject: Re: [CCAMP] R: A couple of comments on	draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Sergio,
	See below.

On 4/19/2012 11:03 AM, BELOTTI, SERGIO (SERGIO) wrote:
> Hi Lou,
> 
> 
> For question 1)
> 
> 
> TSG is an adaptation information that has meaning only in the context
> of OTN multiplexing. Nothing to do with G-PID that obviously has to
> carry information regarding client so, ODUj. Moreover TSG information
> could not be done with G-PID, because this TSG information only makes
> sense to the penultimate hop and G-PID cannot specify 1.25 or 2.5G so
> far. In this case,47 (ODUj) will be carried in G-PID.

This could equally be accomplished using 2 G-PID values, e.g.,
47=ODUj-2.5G TSG, 48-ODUj-1.25G ( or 3 if you also want one to indicate
either.)

BTW you might want to reread the definition of G-PID with respect to
penultimate hop.

> 
> 
> For question 2)
> 
> 
> 
> Hierarchy information has been introduced to help penultimate hop
> (always in case ERO information are not exhaustive) choosing the
> right interface e.g. two interfaces supporting both the correct TSG
> but not the same client hierarchy. This added information is used to
> guarantee the possibility about the correct
> multiplexing/demultiplexing process.
> 
> G-PID at the moment consider a number of codes that does not cover
> all the different ¡°mapping¡± used for the same carried payload e.g.
> typical example is 10Gb Eth. So we added Swtiching Cap and Encoding
> information like the OTN layers + adaptation field , in order to
> better distinguish also the client OTN layer. Exploiting on the
> G-PID, can bring two problems:
> 
> 
> 
> a)    We would need to add G-PID information inside the new Type new
> object , having a not-homogeneous  format with respect the other
> layers.
> 
> b)    As said before, it wouldn¡¯t be exhaustive with respect real
> mapping beyond the same payload.

I'm sorry, I don't understand how this answers the following:

>> So what does it mean in a type 2 TLV to have a "non OTN signal types"
>> and GFP mappings?  It seems that these both cover cases beyond ODU
>> H-LSPs, am I wrong?


Lou

> 
> Best Regards
> 
> Sergio and Daniele 
> 
> -----Messaggio originale-----
> Da: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] Per conto di Lou Berger
> Inviato: marted¨¬ 17 aprile 2012 13.48
> A: Fatai Zhang
> Cc: CCAMP; draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org
> Oggetto: Re: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
> 
> Fatai,
> 	See below.
> 
> On 4/17/2012 5:34 AM, Fatai Zhang wrote:
>> Hi Lou,
>>
>> Great points.
>>
>> For point 1, the Adaption object in this draft is used to carry only
>> OTN specific information that is needed to create an ODU FA-LSP to
>> carry one specific ODU signal,
> 
> Well I can see this for Type 2 (Hierarchy signaling), but for FA/H-LSP +
> Type 1 (Server TSG signaling) it seems that the same could be done with
> G-PID.  If you disagree, what do you expect to carry in G-PID in the ODU
> H-LSP case?
> 
>> but the other payload types (ie. other
>> information in the table 15-8) should be still carried in G-PID as
>> defined in RFC3471.
> 
> So what does it mean in a type 2 TLV to have a "non OTN signal types"
> and GFP mappings?  It seems that these both cover cases beyond ODU
> H-LSPs, am I wrong?
> 
> Lou
> 
>>
>> For point 2, good suggestion. I just checked RFC4420, I agree with
>> you that it is better to put this information in LSP attributes,
>> which is used to signal attributes required in   support of an LSP,
>> or to indicate the nature or use of an LSP where that information is
>> not required to be acted on by all transit LSRs.
>>
>>
>>
>>
>> Thanks
>>  
>> Fatai
>>
>>
>> -----Original Message-----
>> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of Lou Berger
>> Sent: 2012Äê4ÔÂ16ÈÕ 22:56
>> To: draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org
>> Cc: CCAMP
>> Subject: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
>>
>> Authors,
>>
>> This message is a follow on to the discussion that we started to have in
>> Paris on the ADAPTATION Object.  I have two comments, the second of
>> which I didn't have time (during the presentation time period) to make:
>>
>> 1) Can you explain/justify why you are proposing carrying a subset of
>> the Payload type code points defined in G.709 (see Table 15-8) in the
>> ADAPTATION Object, but not others?
>>
>> I'm not questioning the need for an end-to-end adaptation check, but
>> rather an apparent incomplete method for supporting this check.
>>
>> 2) Given the very limited number of remaining RSVP c-type values, I'm
>> struggling with justifying the definition of the new, perhaps not very
>> generic, ADAPTATION Object rather than carrying this information in an
>> existing (and more generic) object.  Have you considered carrying this
>> information elsewhere, e.g., LSP attributes, and if so what's your
>> thinking for not using such?
>>
>> Lou (As WG participant)
>> _______________________________________________
>> CCAMP mailing list
>> CCAMP@ietf.org
>> https://www.ietf.org/mailman/listinfo/ccamp
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp

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From lberger@labn.net  Tue Apr 24 04:43:15 2012
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From: Lou Berger <lberger@labn.net>
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References: <76CD132C3ADEF848BD84D028D243C927247A74EF@szxeml504-mbs.china.huawei.com> <4F8D6AAA.2000703@labn.net> <76CD132C3ADEF848BD84D028D243C927247A7792@szxeml504-mbs.china.huawei.com> <4F8EABF1.6000103@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D5FAE@SZXEML511-MBS.china.huawei.com> <CABP12JyyfuO4JSjz3=oE52TftSqcireX32L6ZmSpb-m5bkrdmQ@mail.gmail.com> <4F94327D.6020200@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D7824@SZXEML511-MBS.china.huawei.com> <4F9560E9.4070002@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D84E2@SZXEML511-MBS.china.huawei.com>
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Cc: "ccamp@ietf.org" <ccamp@ietf.org>
Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Mach,
	Glad we're down to one open point.

On 4/23/2012 11:30 PM, Mach Chen wrote:
> Since the A bit is used for lock instruct, why do we need to set the L bit? 

Because that's what the RFC says to do.

Is there an issue with using the L bit, or do you just think it's
unnecessary?

Lou

From internet-drafts@ietf.org  Tue Apr 24 09:02:32 2012
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Subject: [CCAMP] I-D Action: draft-ietf-ccamp-rwa-wson-encode-14.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : Routing and Wavelength Assignment Information Encoding f=
or Wavelength Switched Optical Networks
	Author(s)       : Greg M. Bernstein
                          Young Lee
                          Dan Li
                          Wataru Imajuku
	Filename        : draft-ietf-ccamp-rwa-wson-encode-14.txt
	Pages           : 37
	Date            : 2012-04-24

   A wavelength switched optical network (WSON) requires that certain
   key information elements are made available to facilitate path
   computation and the establishment of label switching paths (LSPs).
   The information model described in "Routing and Wavelength
   Assignment Information for Wavelength Switched Optical Networks"
   shows what information is required at specific points in the WSON.
   Part of the WSON information model contains aspects that may be of
   general applicability to other technologies, while other parts are
   fairly specific to WSONs.

   This document provides efficient, protocol-agnostic encodings for
   the WSON specific information elements. It is intended that
   protocol-specific documents will reference this memo to describe how
   information is carried for specific uses. Such encodings can be used
   to extend GMPLS signaling and routing protocols. In addition these
   encodings could be used by other mechanisms to convey this same
   information to a path computation element (PCE).





A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-14.txt

Internet-Drafts are also available by anonymous FTP at:
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This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-14.txt

The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-ccamp-rwa-wson-encode/


From leeyoung@huawei.com  Tue Apr 24 09:08:30 2012
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Hi,

The revision reflects all the encoding changes on modulation and FEC (thank=
s to Pierre and Cyril) to be more efficient. All the changes have been agre=
ed by all participating parties in the past meeting in Paris.

Let us know if you have any comment/question to the mailing list.

Thanks.
Young

-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of i=
nternet-drafts@ietf.org
Sent: Tuesday, April 24, 2012 11:03 AM
To: i-d-announce@ietf.org
Cc: ccamp@ietf.org
Subject: [CCAMP] I-D Action: draft-ietf-ccamp-rwa-wson-encode-14.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : Routing and Wavelength Assignment Information Encoding f=
or Wavelength Switched Optical Networks
	Author(s)       : Greg M. Bernstein
                          Young Lee
                          Dan Li
                          Wataru Imajuku
	Filename        : draft-ietf-ccamp-rwa-wson-encode-14.txt
	Pages           : 37
	Date            : 2012-04-24

   A wavelength switched optical network (WSON) requires that certain
   key information elements are made available to facilitate path
   computation and the establishment of label switching paths (LSPs).
   The information model described in "Routing and Wavelength
   Assignment Information for Wavelength Switched Optical Networks"
   shows what information is required at specific points in the WSON.
   Part of the WSON information model contains aspects that may be of
   general applicability to other technologies, while other parts are
   fairly specific to WSONs.

   This document provides efficient, protocol-agnostic encodings for
   the WSON specific information elements. It is intended that
   protocol-specific documents will reference this memo to describe how
   information is carried for specific uses. Such encodings can be used
   to extend GMPLS signaling and routing protocols. In addition these
   encodings could be used by other mechanisms to convey this same
   information to a path computation element (PCE).





A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-14.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-rwa-wson-encode-14.txt

The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-ccamp-rwa-wson-encode/

_______________________________________________
CCAMP mailing list
CCAMP@ietf.org
https://www.ietf.org/mailman/listinfo/ccamp

From internet-drafts@ietf.org  Tue Apr 24 14:17:30 2012
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Subject: [CCAMP] I-D Action: draft-ietf-ccamp-wson-signal-compatibility-ospf-08.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : GMPLS OSPF Enhancement for Signal and Network Element Co=
mpatibility for Wavelength Switched Optical Networks
	Author(s)       : Young Lee
                          Greg M. Bernstein
	Filename        : draft-ietf-ccamp-wson-signal-compatibility-ospf-08.txt
	Pages           : 12
	Date            : 2012-04-24

   This document provides GMPLS OSPF routing enhancements to support
   signal compatibility constraints associated with WSON network
   elements. These routing enhancements are required in common optical
   or hybrid electro-optical networks where not all of the optical
   signals in the network are compatible with all network elements
   participating in the network.

   This compatibility constraint model is applicable to common optical
   or hybrid electro optical systems such as OEO switches,
   regenerators, and wavelength converters since such systems can be
   limited to processing only certain types of WSON signals.



A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-wson-signal-compatibil=
ity-ospf-08.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-wson-signal-compatibili=
ty-ospf-08.txt

The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-ccamp-wson-signal-compatibility=
-ospf/


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From: Leeyoung <leeyoung@huawei.com>
To: CCAMP <ccamp@ietf.org>
Thread-Topic: [CCAMP] I-D Action: draft-ietf-ccamp-wson-signal-compatibility-ospf-08.txt
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Date: Tue, 24 Apr 2012 21:22:34 +0000
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Subject: [CCAMP] FW: I-D Action:	draft-ietf-ccamp-wson-signal-compatibility-ospf-08.txt
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Hi,

This revision reflects what had been resolved in the 82nd IETF concerning L=
SA fragmentation/reassembly issue. Mostly editorial in nature, deleting som=
e old texts.

In addition, all the encoding information is now aligned with WSON-Encode d=
raft.=20

The co-authors believe the draft is now stable. If you have any comment/iss=
ue, please bring it up to the mailing list. Thanks.

Young

-----Original Message-----
From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of i=
nternet-drafts@ietf.org
Sent: Tuesday, April 24, 2012 4:17 PM
To: i-d-announce@ietf.org
Cc: ccamp@ietf.org
Subject: [CCAMP] I-D Action: draft-ietf-ccamp-wson-signal-compatibility-osp=
f-08.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies. This draft is a work item of the Common Control and Measurement Plane =
Working Group of the IETF.

	Title           : GMPLS OSPF Enhancement for Signal and Network Element Co=
mpatibility for Wavelength Switched Optical Networks
	Author(s)       : Young Lee
                          Greg M. Bernstein
	Filename        : draft-ietf-ccamp-wson-signal-compatibility-ospf-08.txt
	Pages           : 12
	Date            : 2012-04-24

   This document provides GMPLS OSPF routing enhancements to support
   signal compatibility constraints associated with WSON network
   elements. These routing enhancements are required in common optical
   or hybrid electro-optical networks where not all of the optical
   signals in the network are compatible with all network elements
   participating in the network.

   This compatibility constraint model is applicable to common optical
   or hybrid electro optical systems such as OEO switches,
   regenerators, and wavelength converters since such systems can be
   limited to processing only certain types of WSON signals.



A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-ccamp-wson-signal-compatibil=
ity-ospf-08.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-ccamp-wson-signal-compatibili=
ty-ospf-08.txt

The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-ccamp-wson-signal-compatibility=
-ospf/

_______________________________________________
CCAMP mailing list
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From: Mach Chen <mach.chen@huawei.com>
To: Lou Berger <lberger@labn.net>
Thread-Topic: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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From lberger@labn.net  Wed Apr 25 04:37:13 2012
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Cc: "ccamp@ietf.org" <ccamp@ietf.org>
Subject: Re: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Mach,
	The two sentences/statements you reference are equivalent.  I
understand that the text in the first sentence (RFC4872) is open to
misinterpretation.  If you'd like, you can open an editorial errata on
RFC4872 that states "unavailable to transport traffic (either normal or
extra traffic)" should read "unavailable to transport traffic (both
normal and extra traffic)" to avoid such misunderstanding of the
parenthetical in the future.

Lou

On 4/24/2012 9:55 PM, Mach Chen wrote:
> Lou,
> 
>> -----Original Message-----
>> From: Lou Berger [mailto:lberger@labn.net]
>> Sent: Tuesday, April 24, 2012 7:43 PM
>> To: Mach Chen
>> Cc: Francesco Fondelli; Jie Dong; ccamp@ietf.org
>> Subject: Re: [CCAMP] Discussions about
>> draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
>>
>> Mach,
>> 	Glad we're down to one open point.
>>
>> On 4/23/2012 11:30 PM, Mach Chen wrote:
>>> Since the A bit is used for lock instruct, why do we need to set the L bit?
>>
>> Because that's what the RFC says to do.
>>
>> Is there an issue with using the L bit, or do you just think it's
>> unnecessary?
> 
> Yes, I think it's unnecessary, the A bit should take precedence when both A and L bit are set.
> 
> In addition, the L bit is designed to lock out either the normal or extra traffic: 
> Lockout (L): 1 bit
> 
>         When set, forces the recovery LSP to be temporarily unavailable
>         to transport traffic (either normal or extra traffic). 
> 
> But TP TI requires to lock out both normal and extra traffic.
> 
> Best regards,
> Mach
>>
>> Lou
> 
> 
> 
> 

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From: Mach Chen <mach.chen@huawei.com>
To: Lou Berger <lberger@labn.net>
Thread-Topic: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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From: Jie Dong <jie.dong@huawei.com>
To: Lou Berger <lberger@labn.net>, Mach Chen <mach.chen@huawei.com>
Thread-Topic: [CCAMP] Discussions about draft-dong-ccamp-rsvp-te-mpls-tp-li-lb
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Date: Thu, 26 Apr 2012 08:21:27 +0000
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References: <76CD132C3ADEF848BD84D028D243C927247A74EF@szxeml504-mbs.china.huawei.com> <4F8D6AAA.2000703@labn.net> <76CD132C3ADEF848BD84D028D243C927247A7792@szxeml504-mbs.china.huawei.com> <4F8EABF1.6000103@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D5FAE@SZXEML511-MBS.china.huawei.com> <CABP12JyyfuO4JSjz3=oE52TftSqcireX32L6ZmSpb-m5bkrdmQ@mail.gmail.com> <4F94327D.6020200@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D7824@SZXEML511-MBS.china.huawei.com> <4F9560E9.4070002@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D84E2@SZXEML511-MBS.china.huawei.com> <4F9691D3.6040001@labn.net> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE21F0D9DD6@SZXEML511-MBS.china.huawei.com> <4F97E1E5.2010308@labn.net>
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From: Igor Bryskin <IBryskin@advaoptical.com>
To: "gregb@grotto-networking.com" <gregb@grotto-networking.com>, "ylee@huawei.com" <ylee@huawei.com>, "imajuku.wataru@lab.ntt.co.jp" <imajuku.wataru@lab.ntt.co.jp>, "hanjianrui@huawei.com" <hanjianrui@huawei.com>
Thread-Topic: Question about draft-ietf-ccamp-general-constraint-encode-07 
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Dear Authors,

If I am to advertise an asymmetric switch connectivity matrix, which TE top=
 level TLV  I am supposed to include the Connectivity Matrix sub-TLV (per 2=
.5.) ?

Thanks,
Igor


From leeyoung@huawei.com  Thu Apr 26 13:08:15 2012
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From: Leeyoung <leeyoung@huawei.com>
To: Igor Bryskin <IBryskin@advaoptical.com>, "gregb@grotto-networking.com" <gregb@grotto-networking.com>, "imajuku.wataru@lab.ntt.co.jp" <imajuku.wataru@lab.ntt.co.jp>, Hanjianrui <hanjianrui@huawei.com>
Thread-Topic: Question about draft-ietf-ccamp-general-constraint-encode-07 
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Date: Thu, 26 Apr 2012 20:05:19 +0000
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Subject: Re: [CCAMP] Question about draft-ietf-ccamp-general-constraint-encode-07
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Hi Igor,

Please refer to http://tools.ietf.org/html/draft-ietf-ccamp-gmpls-general-c=
onstraints-ospf-te-02 (OPSF extension for generic constraints).

We defined a new Top Level TLV (Generic Node Attribute TLV) and connectivit=
y Matrix is to put under this new TLV. (See section 7.1 of the above refere=
nce)

Regards,
Young


-----Original Message-----
From: Igor Bryskin [mailto:IBryskin@advaoptical.com]=20
Sent: Thursday, April 26, 2012 9:43 AM
To: gregb@grotto-networking.com; Leeyoung; imajuku.wataru@lab.ntt.co.jp; Ha=
njianrui
Cc: CCAMP
Subject: Question about draft-ietf-ccamp-general-constraint-encode-07=20

Dear Authors,

If I am to advertise an asymmetric switch connectivity matrix, which TE top=
 level TLV  I am supposed to include the Connectivity Matrix sub-TLV (per 2=
.5.) ?

Thanks,
Igor


From IBryskin@advaoptical.com  Thu Apr 26 13:14:13 2012
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From: Igor Bryskin <IBryskin@advaoptical.com>
To: Leeyoung <leeyoung@huawei.com>, "gregb@grotto-networking.com" <gregb@grotto-networking.com>, "imajuku.wataru@lab.ntt.co.jp" <imajuku.wataru@lab.ntt.co.jp>, Hanjianrui <hanjianrui@huawei.com>
Thread-Topic: Question about draft-ietf-ccamp-general-constraint-encode-07 
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Date: Thu, 26 Apr 2012 20:13:59 +0000
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Subject: Re: [CCAMP] Question about draft-ietf-ccamp-general-constraint-encode-07
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Young,

Thanks, when do you expect to have the Generic Node Attribute TLV type allo=
cated from IANA?

Thanks,
Igor

-----Original Message-----
From: Leeyoung [mailto:leeyoung@huawei.com]=20
Sent: Thursday, April 26, 2012 4:05 PM
To: Igor Bryskin; gregb@grotto-networking.com; imajuku.wataru@lab.ntt.co.jp=
; Hanjianrui
Cc: CCAMP
Subject: RE: Question about draft-ietf-ccamp-general-constraint-encode-07=20

Hi Igor,

Please refer to http://tools.ietf.org/html/draft-ietf-ccamp-gmpls-general-c=
onstraints-ospf-te-02 (OPSF extension for generic constraints).

We defined a new Top Level TLV (Generic Node Attribute TLV) and connectivit=
y Matrix is to put under this new TLV. (See section 7.1 of the above refere=
nce)

Regards,
Young


-----Original Message-----
From: Igor Bryskin [mailto:IBryskin@advaoptical.com]=20
Sent: Thursday, April 26, 2012 9:43 AM
To: gregb@grotto-networking.com; Leeyoung; imajuku.wataru@lab.ntt.co.jp; Ha=
njianrui
Cc: CCAMP
Subject: Question about draft-ietf-ccamp-general-constraint-encode-07=20

Dear Authors,

If I am to advertise an asymmetric switch connectivity matrix, which TE top=
 level TLV  I am supposed to include the Connectivity Matrix sub-TLV (per 2=
.5.) ?

Thanks,
Igor


From leeyoung@huawei.com  Thu Apr 26 13:21:44 2012
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From: Leeyoung <leeyoung@huawei.com>
To: Igor Bryskin <IBryskin@advaoptical.com>, "gregb@grotto-networking.com" <gregb@grotto-networking.com>, "imajuku.wataru@lab.ntt.co.jp" <imajuku.wataru@lab.ntt.co.jp>, Hanjianrui <hanjianrui@huawei.com>
Thread-Topic: Question about draft-ietf-ccamp-general-constraint-encode-07 
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Subject: Re: [CCAMP] Question about draft-ietf-ccamp-general-constraint-encode-07
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Hi Igor,

I believe it depends on the progress of other pending documents (info and g=
eneric encoding). We are making some progress in closing all pending issues=
 now and my hope is to move this OSPF to WG LC sometime soon.=20

Regards,
Young

-----Original Message-----
From: Igor Bryskin [mailto:IBryskin@advaoptical.com]=20
Sent: Thursday, April 26, 2012 3:14 PM
To: Leeyoung; gregb@grotto-networking.com; imajuku.wataru@lab.ntt.co.jp; Ha=
njianrui
Cc: CCAMP
Subject: RE: Question about draft-ietf-ccamp-general-constraint-encode-07=20

Young,

Thanks, when do you expect to have the Generic Node Attribute TLV type allo=
cated from IANA?

Thanks,
Igor

-----Original Message-----
From: Leeyoung [mailto:leeyoung@huawei.com]=20
Sent: Thursday, April 26, 2012 4:05 PM
To: Igor Bryskin; gregb@grotto-networking.com; imajuku.wataru@lab.ntt.co.jp=
; Hanjianrui
Cc: CCAMP
Subject: RE: Question about draft-ietf-ccamp-general-constraint-encode-07=20

Hi Igor,

Please refer to http://tools.ietf.org/html/draft-ietf-ccamp-gmpls-general-c=
onstraints-ospf-te-02 (OPSF extension for generic constraints).

We defined a new Top Level TLV (Generic Node Attribute TLV) and connectivit=
y Matrix is to put under this new TLV. (See section 7.1 of the above refere=
nce)

Regards,
Young


-----Original Message-----
From: Igor Bryskin [mailto:IBryskin@advaoptical.com]=20
Sent: Thursday, April 26, 2012 9:43 AM
To: gregb@grotto-networking.com; Leeyoung; imajuku.wataru@lab.ntt.co.jp; Ha=
njianrui
Cc: CCAMP
Subject: Question about draft-ietf-ccamp-general-constraint-encode-07=20

Dear Authors,

If I am to advertise an asymmetric switch connectivity matrix, which TE top=
 level TLV  I am supposed to include the Connectivity Matrix sub-TLV (per 2=
.5.) ?

Thanks,
Igor


From zhangfatai@huawei.com  Thu Apr 26 23:38:10 2012
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From: Fatai Zhang <zhangfatai@huawei.com>
To: Lou Berger <lberger@labn.net>, "BELOTTI, SERGIO (SERGIO)" <sergio.belotti@alcatel-lucent.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
Thread-Topic: R: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Subject: Re: [CCAMP] R: A couple of comments on	draft-ietf-ccamp-gmpls-signaling-g709v3-02
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<div class=3D"WordSection1">
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi Lou,<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Please see in-line below.<o:=
p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thanks<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"font-family:&quot;C=
ourier New&quot;">&nbsp;</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Fatai<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">-----Original Message-----<b=
r>
From: Lou Berger [mailto:lberger@labn.net] <br>
Sent: 2012</span><span style=3D"font-family:=CB=CE=CC=E5">=C4=EA</span><spa=
n lang=3D"EN-US">4</span><span style=3D"font-family:=CB=CE=CC=E5">=D4=C2</s=
pan><span lang=3D"EN-US">24</span><span style=3D"font-family:=CB=CE=CC=E5">=
=C8=D5</span><span lang=3D"EN-US"> 0:52<br>
To: BELOTTI, SERGIO (SERGIO); Daniele Ceccarelli<br>
Cc: CCAMP; draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org; Fatai Zh=
ang<br>
Subject: Re: R: [CCAMP] A couple of comments on draft-ietf-ccamp-gmpls-sign=
aling-g709v3-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Sergio,<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; See below.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">On 4/19/2012 11:03 AM, BELOT=
TI, SERGIO (SERGIO) wrote:<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Hi Lou,<o:p></o:p></spa=
n></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; For question 1)<o:p></o=
:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; TSG is an adaptation in=
formation that has meaning only in the context<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; of OTN multiplexing. No=
thing to do with G-PID that obviously has to<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; carry information regar=
ding client so, ODUj. Moreover TSG information<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; could not be done with =
G-PID, because this TSG information only makes<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; sense to the penultimat=
e hop and G-PID cannot specify 1.25 or 2.5G so<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; far. In this case,47 (O=
DUj) will be carried in G-PID.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This could equally be accomp=
lished using 2 G-PID values, e.g.,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">47=3DODUj-2.5G TSG, 48-ODUj-=
1.25G ( or 3 if you also want one to indicate<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">either.)<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">BTW you might want to reread=
 the definition of G-PID with respect to<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">penultimate hop.<o:p></o:p><=
/span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:black"><o:p>&=
nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:#0070C0">[Fat=
ai] Your suggestion makes sense. I think either way is OK. We could use 2 G=
-PID values if WG prefer to this way.
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; For question 2)<o:p></o=
:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Hierarchy information h=
as been introduced to help penultimate hop<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; (always in case ERO inf=
ormation are not exhaustive) choosing the<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; right interface e.g. tw=
o interfaces supporting both the correct TSG<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; but not the same client=
 hierarchy. This added information is used to<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; guarantee the possibili=
ty about the correct<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; multiplexing/demultiple=
xing process.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; G-PID at the moment con=
sider a number of codes that does not cover<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; all the different </spa=
n><span lang=3D"EN-US" style=3D"font-family:&quot;Courier New&quot;">=A1=B0=
</span><span lang=3D"EN-US">mapping</span><span lang=3D"EN-US" style=3D"fon=
t-family:&quot;Courier New&quot;">=A1=B1</span><span lang=3D"EN-US"> used f=
or the
 same carried payload e.g.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; typical example is 10Gb=
 Eth. So we added Swtiching Cap and Encoding<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; information like the OT=
N layers &#43; adaptation field , in order to<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; better distinguish also=
 the client OTN layer. Exploiting on the<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; G-PID, can bring two pr=
oblems:<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; a)&nbsp;&nbsp;&nbsp; We=
 would need to add G-PID information inside the new Type new<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; object , having a not-h=
omogeneous&nbsp; format with respect the other<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; layers.<o:p></o:p></spa=
n></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; b)&nbsp;&nbsp;&nbsp; As=
 said before, it wouldn</span><span lang=3D"EN-US" style=3D"font-family:&qu=
ot;Courier New&quot;">=A1=AF</span><span lang=3D"EN-US">t be exhaustive wit=
h respect real<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; mapping beyond the same=
 payload.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">I'm sorry, I don't understan=
d how this answers the following:<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:black"><o:p>&=
nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; So what does it mea=
n in a type 2 TLV to have a &quot;non OTN signal types&quot;<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; and GFP mappings?&n=
bsp; It seems that these both cover cases beyond ODU<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; H-LSPs, am I wrong?=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:#0070C0">[Fat=
ai] What did you mean by saying
</span><span lang=3D"EN-US" style=3D"font-family:&quot;Courier New&quot;;co=
lor:#0070C0">=A1=B0</span><span lang=3D"EN-US" style=3D"color:#0070C0">non =
OTN signal types</span><span lang=3D"EN-US" style=3D"font-family:&quot;Cour=
ier New&quot;;color:#0070C0">=A1=B1</span><span lang=3D"EN-US" style=3D"col=
or:#0070C0">?
 Did you mean removing </span><span lang=3D"EN-US" style=3D"font-family:&qu=
ot;Courier New&quot;;color:#0070C0">=A1=B0</span><span lang=3D"EN-US" style=
=3D"color:#0070C0">Switching Type</span><span lang=3D"EN-US" style=3D"font-=
family:&quot;Courier New&quot;;color:#0070C0">=A1=B1</span><span lang=3D"EN=
-US" style=3D"color:#0070C0">
 &amp; </span><span lang=3D"EN-US" style=3D"font-family:&quot;Courier New&q=
uot;;color:#0070C0">=A1=B0</span><span lang=3D"EN-US" style=3D"color:#0070C=
0">Encoding Type</span><span lang=3D"EN-US" style=3D"font-family:&quot;Cour=
ier New&quot;;color:#0070C0">=A1=B1</span><span lang=3D"EN-US" style=3D"col=
or:#0070C0">?
 For mapping, there are different encapsulation protocols when ODUj multipl=
exes into ODUk, it may need to specify this information when an FA-LSP is t=
o be created.</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:black"><o:p>&=
nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Lou<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Best Regards<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Sergio and Daniele <o:p=
></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; -----Messaggio original=
e-----<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Da: ccamp-bounces@ietf.=
org [mailto:ccamp-bounces@ietf.org] Per conto di Lou Berger<o:p></o:p></spa=
n></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Inviato: marted</span><=
span lang=3D"EN-US" style=3D"font-family:&quot;Courier New&quot;">=A8=AC</s=
pan><span lang=3D"EN-US"> 17 aprile 2012 13.48<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; A: Fatai Zhang<o:p></o:=
p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Cc: CCAMP; draft-ietf-c=
camp-gmpls-signaling-g709v3@tools.ietf.org<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Oggetto: Re: [CCAMP] A =
couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Fatai,<o:p></o:p></span=
></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; &nbsp;&nbsp;&nbsp;&nbsp=
; See below.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; On 4/17/2012 5:34 AM, F=
atai Zhang wrote:<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Hi Lou,<o:p></o:p><=
/span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Great points.<o:p><=
/o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; For point 1, the Ad=
aption object in this draft is used to carry only<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; OTN specific inform=
ation that is needed to create an ODU FA-LSP to<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; carry one specific =
ODU signal,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Well I can see this for=
 Type 2 (Hierarchy signaling), but for FA/H-LSP &#43;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Type 1 (Server TSG sign=
aling) it seems that the same could be done with<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; G-PID.&nbsp; If you dis=
agree, what do you expect to carry in G-PID in the ODU<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; H-LSP case?<o:p></o:p><=
/span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; but the other paylo=
ad types (ie. other<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; information in the =
table 15-8) should be still carried in G-PID as<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; defined in RFC3471.=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; So what does it mean in=
 a type 2 TLV to have a &quot;non OTN signal types&quot;<o:p></o:p></span><=
/p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; and GFP mappings?&nbsp;=
 It seems that these both cover cases beyond ODU<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; H-LSPs, am I wrong?<o:p=
></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Lou<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; For point 2, good s=
uggestion. I just checked RFC4420, I agree with<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; you that it is bett=
er to put this information in LSP attributes,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; which is used to si=
gnal attributes required in&nbsp;&nbsp; support of an LSP,<o:p></o:p></span=
></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; or to indicate the =
nature or use of an LSP where that information is<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; not required to be =
acted on by all transit LSRs.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Thanks<o:p></o:p></=
span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;&nbsp; <o:p></o:p></=
span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Fatai<o:p></o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; -----Original Messa=
ge-----<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; From: ccamp-bounces=
@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of Lou Berger<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Sent: 2012</span><s=
pan style=3D"font-family:=CB=CE=CC=E5">=C4=EA</span><span lang=3D"EN-US">4<=
/span><span style=3D"font-family:=CB=CE=CC=E5">=D4=C2</span><span lang=3D"E=
N-US">16</span><span style=3D"font-family:=CB=CE=CC=E5">=C8=D5</span><span =
lang=3D"EN-US"> 22:56<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; To: draft-ietf-ccam=
p-gmpls-signaling-g709v3@tools.ietf.org<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Cc: CCAMP<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Subject: [CCAMP] A =
couple of comments on draft-ietf-ccamp-gmpls-signaling-g709v3-02<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Authors,<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; This message is a f=
ollow on to the discussion that we started to have in<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Paris on the ADAPTA=
TION Object.&nbsp; I have two comments, the second of<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; which I didn't have=
 time (during the presentation time period) to make:<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; 1) Can you explain/=
justify why you are proposing carrying a subset of<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; the Payload type co=
de points defined in G.709 (see Table 15-8) in the<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; ADAPTATION Object, =
but not others?<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; I'm not questioning=
 the need for an end-to-end adaptation check, but<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; rather an apparent =
incomplete method for supporting this check.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; 2) Given the very l=
imited number of remaining RSVP c-type values, I'm<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; struggling with jus=
tifying the definition of the new, perhaps not very<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; generic, ADAPTATION=
 Object rather than carrying this information in an<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; existing (and more =
generic) object.&nbsp; Have you considered carrying this<o:p></o:p></span><=
/p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; information elsewhe=
re, e.g., LSP attributes, and if so what's your<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; thinking for not us=
ing such?<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt;<o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; Lou (As WG particip=
ant)<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; ___________________=
____________________________<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; CCAMP mailing list<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; CCAMP@ietf.org<o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;&gt; https://www.ietf.or=
g/mailman/listinfo/ccamp<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; https://www.ietf.org/ma=
ilman/listinfo/ccamp<o:p></o:p></span></p>
</div>
</body>
</html>

--_000_F82A4B6D50F9464B8EBA55651F541CF82CBF1DC1SZXEML520MBSchi_--


From lberger@labn.net  Fri Apr 27 05:18:56 2012
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Cc: CCAMP <ccamp@ietf.org>, "draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org>
Subject: Re: [CCAMP] R: A couple of comments on	draft-ietf-ccamp-gmpls-signaling-g709v3-02
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Fatai, Authors, see below.


On 4/27/2012 2:36 AM, Fatai Zhang wrote:
> Hi Lou,
> 
> Please see in-line below.
> 
> Thanks
> 
> Fatai
> 
> -----Original Message-----
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: 2012Äê4ÔÂ24ÈÕ 0:52
> To: BELOTTI, SERGIO (SERGIO); Daniele Ceccarelli
> Cc: CCAMP; draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org; Fatai
> Zhang
> Subject: Re: R: [CCAMP] A couple of comments on
> draft-ietf-ccamp-gmpls-signaling-g709v3-02
> 
> Sergio,
> 
>          See below.
> 
> On 4/19/2012 11:03 AM, BELOTTI, SERGIO (SERGIO) wrote:
> 
>> Hi Lou,
>> For question 1)
>> TSG is an adaptation information that has meaning only in the context
>> of OTN multiplexing. Nothing to do with G-PID that obviously has to
>> carry information regarding client so, ODUj. Moreover TSG information
>> could not be done with G-PID, because this TSG information only makes
>> sense to the penultimate hop and G-PID cannot specify 1.25 or 2.5G so
>> far. In this case,47 (ODUj) will be carried in G-PID.
> 
> This could equally be accomplished using 2 G-PID values, e.g.,
> 47=ODUj-2.5G TSG, 48-ODUj-1.25G ( or 3 if you also want one to indicate
> either.)
> BTW you might want to reread the definition of G-PID with respect to
> penultimate hop.
> 
> [Fatai] Your suggestion makes sense. I think either way is OK. We could
> use 2 G-PID values if WG prefer to this way.
> 

If you're okay either way, why are you even leaving the door open for
defining a new mechanism to do what can already be done with an existing
mechanisms?  IMO, do so when there is no strong technical motivation is
simply wrong.

Do you (or anyone else) see any reason to justify not using the existing
mechanism?

>>
>> For question 2)
>>
>>
>> Hierarchy information has been introduced to help penultimate hop
>> (always in case ERO information are not exhaustive) choosing the
>> right interface e.g. two interfaces supporting both the correct TSG
>> but not the same client hierarchy. This added information is used to
>> guarantee the possibility about the correct
>> multiplexing/demultiplexing process.
>>
>> G-PID at the moment consider a number of codes that does not cover
>> all the different ¡°mapping¡± used for the same carried payload e.g.
>> typical example is 10Gb Eth. So we added Swtiching Cap and Encoding
>> information like the OTN layers + adaptation field , in order to
>> better distinguish also the client OTN layer. Exploiting on the
>> G-PID, can bring two problems:
>>
>>
>> a)    We would need to add G-PID information inside the new Type new
>> object , having a not-homogeneous  format with respect the other
>> layers.
>>
>> b)    As said before, it wouldn¡¯t be exhaustive with respect real
>> mapping beyond the same payload.
> 
> I'm sorry, I don't understand how this answers the following:
> 
>>> So what does it mean in a type 2 TLV to have a "non OTN signal types"
>>> and GFP mappings?  It seems that these both cover cases beyond ODU
>>> H-LSPs, am I wrong?
> 
> [Fatai] What did you mean by saying ¡°non OTN signal types¡±? 

Values mapping to anything but PT=20 or PT=21.

> Did you mean
> removing ¡°Switching Type¡± & ¡°Encoding Type¡±? 

No. What I'm really trying to understand is why the mapping field just
doesn't carry Payload Type as defined in G.709.

An earlier response, as I understood it, said that G-PID will carry
client payload types and that mapping is used to indicate intra-ODU
information.  This led to me asking about the GFP (-F and -T) mapping
values.

> For mapping, there are
> different encapsulation protocols when ODUj multiplexes into ODUk, it
> may need to specify this information when an FA-LSP is to be created.
>

So clearly there is some misunderstanding here.  Probably mine.  So the
field in question is the mapping field of the Hierarchy TLV which has
the following definition:

      Mapping: This field indicates the mapping function used in each
      client-server relationship of the hierarchy. The values of this
      field are listed below:

           Value          Type
           -----         ------
             0            Reserved
             1            AMP
             2            BMP
             3            GMP
             4            GFP-F
             5            GFP-T
           6-255          Reserved

So my first point (why not just carry PT values) comes from the
narrative.  If this field is just for intra-ODU mappings, then "each
client-server relationship" should be replaced with "each ODU mapping
relationship".

In looking at G.709 is see that *only* AMP and GMP are used to support
ODUj -> ODUk multiplexing.  So this lead me to the question about GFP.

Your mail has triggered my taking yet another look at G.709, I see that
BMP is used in supporting CBR clients, GFP-T is only mentioned as
supporting 1000BASE-X, and GFP-F can support multiple (packet) client
types.

I don't see where BMP or GFP (-F and -T) are used when "ODUj multiplexes
into ODUk".  What am I missing something?  Please be specific in your
references to the appropriate ITU-T documents so that we can close on this.

It seems to me that mapping needs to carry all possible payload type
values so that the g-pid of the outermost ODU LSP can indicate the type
of traffic being carried (e.g., MPLS, IP, ethernet, STM-64, etc.), but
your position leads me to believe that I'm missing something here too.
To clarify, for the example of an ODU LSP that carries Ethernet over
GFP-F (over some ODUk), what would be the G-PID and Hierarchy TLV?

Thanks,
Lou

> [rest deleted]

From adrian@olddog.co.uk  Mon Apr 30 02:19:11 2012
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: <ccamp@ietf.org>, "Lou Berger" <lberger@labn.net>
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Subject: Re: [CCAMP] Please publish draft-ietf-ccamp-assoc-info-03.txt
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Congratulations on a very clear document.

I found one nit during AD review which is not worth handling at this stage. I
have recorded it as an RFC Editor note that we can pick up if a respin is
needed, or leave for the RFC Editor.

I will go ahead and issue the IETF last call.

Cheers,
Adrian

RFC Editor Note

Section 2.1
OLD
   It is explicitly defined as having both general
   application and specific use within the context of recovery.  End-to-
   end recovery usage is defined in [RFC4872] and is covered in Section
   2.2.  Segment recovery usage is defined in [RFC4873] and is covered
   in Section 2.3.    Resource sharing LSP association is also defined in
   [RFC4873], while strictly speaking such association is beyond the
   scope of this document, for completeness it is covered in Section
   2.4. 
NEW
   It is explicitly defined as having both general
   application and specific use within the context of recovery.  End-to-
   end recovery usage is defined in [RFC4872] and is covered in Section
   2.2 of this document.  Segment recovery usage is defined in [RFC4873]
   and is covered in Section 2.3 of this document.  Resource sharing LSP
   association is also defined in [RFC4873], while strictly speaking 
   such association is beyond the scope of this document, for 
   completeness it is covered in Section 2.4 of this document
END


From iesg-secretary@ietf.org  Mon Apr 30 09:28:37 2012
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Subject: [CCAMP] Last Call: <draft-ietf-ccamp-assoc-info-03.txt> (Usage of The RSVP	Association Object) to Informational RFC
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The IESG has received a request from the Common Control and Measurement
Plane WG (ccamp) to consider the following document:
- 'Usage of The RSVP Association Object'
  <draft-ietf-ccamp-assoc-info-03.txt> as Informational RFC

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf@ietf.org mailing lists by 2012-05-14. Exceptionally, comments may be
sent to iesg@ietf.org instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

Abstract

   The RSVP ASSOCIATION object was defined in the context of GMPLS
   (Generalized Multi-Protocol Label Switching) controlled label
   switched paths (LSPs).  In this context, the object is used to
   associate recovery LSPs with the LSP they are protecting.  This
   document reviews how association is to be provided in the context
   of GMPLS recovery.  No new procedures or mechanisms are
   defined by this document and it is strictly informative in nature.


The file can be obtained via
http://datatracker.ietf.org/doc/draft-ietf-ccamp-assoc-info/

IESG discussion can be tracked via
http://datatracker.ietf.org/doc/draft-ietf-ccamp-assoc-info/ballot/


No IPR declarations have been submitted directly on this I-D.
