From nobody Thu Feb 1 01:03:07 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E92361316AC for ; Thu, 1 Feb 2018 01:03:02 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.51 X-Spam-Level: X-Spam-Status: No, score=-14.51 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gci-FilAxbmR for ; Thu, 1 Feb 2018 01:03:00 -0800 (PST) Received: from aer-iport-1.cisco.com (aer-iport-1.cisco.com [173.38.203.51]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EAA4E13165E for ; Thu, 1 Feb 2018 01:02:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=6634; q=dns/txt; s=iport; t=1517475757; x=1518685357; h=message-id:date:from:mime-version:to:cc:subject: references:in-reply-to:content-transfer-encoding; bh=YBPZ/dI6O5O9THpfN8ScjODB5P8ZrQr9mfVHvIA7Qtk=; b=bj2PR7ctZEjfuKS7VkiNTjLvDprCz0EAdbFjr9difjPmTsNmiP2oBHyN yPrmV+SmvfWEZrf+ejeEgzm9V9LcIPLVYPHjFBEj+9Jw1vF1bPEohttG9 48i5p17nu1eOqI/q/w0KFa2jCPBwxx5ODciT1e0OYSx5oV1hsPA7pzMRl s=; X-IronPort-AV: E=Sophos;i="5.46,443,1511827200"; d="scan'208";a="1788369" Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Feb 2018 09:02:35 +0000 Received: from [10.60.140.51] (ams-ppsenak-nitro2.cisco.com [10.60.140.51]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id w1192YiC004357; Thu, 1 Feb 2018 09:02:34 GMT Message-ID: <5A72D7C0.8060502@cisco.com> Date: Thu, 01 Feb 2018 10:02:56 +0100 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: "Acee Lindem (acee)" CC: "Abhay Roy (akr)" , "dirk.goethals@nokia.com" , OSPF List References: <151724292326.13004.18305618678457051977.idtracker@ietfa.amsl.com> <631C95C8-94DC-4C78-9275-AD70051552C7@cisco.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [OSPF] [IANA #1047782] Protocol Action: 'OSPFv3 LSA Extendibility' to Proposed Standard (draft-ietf-ospf-ospfv3-lsa-extend-23.txt) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Feb 2018 09:03:03 -0000 Hi Acee, as a next step, can you please ask for a early IANA allocation from the new registries as specified in section 8 of draft-ietf-ospf-ospfv3-segment-routing-extensions-11.txt thanks, Peter On 01/02/18 00:04 , Acee Lindem (acee) wrote: > Hi Amanda, > > This is correct. > > Thanks > Acee > > On 1/31/18, 5:12 PM, "Amanda Baber via RT" wrote: > > Hi Acee, > > I apologize for my oversight. There's no problem with placing the registrations in Section 2. > > Can you confirm that this action has been completed correctly? > > ACTION 4 > > We've registered the following OSPFv3 LSA Function Codes: > > 33 E-Router-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 34 E-Network-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 35 E-Inter-Area-Prefix-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 36 E-Inter-Area-Router-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 37 E-AS-External-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 38 Unused (Not to be allocated) [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 39 E-Type-7-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 40 E-Link-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > 41 E-Intra-Area-Prefix-LSA [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > Please see > https://www.iana.org/assignments/ospfv3-parameters > > thanks, > Amanda > > > On Wed Jan 31 19:29:16 2018, acee@cisco.com wrote: > > Hi Amanda, > > > > The actions below are correct. However, the one (the first) IANA > > action from the draft is missing: > > > > This specification defines nine OSPFv3 Extended LSA types as > > described in Section 2. These are added the existing OSPFv3 LSA > > Function Codes registry. > > > > I guess I should have repeated these in the IANA Considerations > > section. > > > > > > LSA function code LS Type Description > > ---------------------------------------------------- > > 33 0xA021 E-Router-LSA > > 34 0xA022 E-Network-LSA > > 35 0xA023 E-Inter-Area-Prefix-LSA > > 36 0xA024 E-Inter-Area-Router-LSA > > 37 0xC025 E-AS-External-LSA > > 38 N/A Unused (Not to be allocated) > > 39 0xA027 E-Type-7-LSA > > 40 0x8028 E-Link-LSA > > 41 0xA029 E-Intra-Area-Prefix-LSA > > > > > > OSPFv3 Extended LSA Types > > > > Thanks, > > Acee > > > > > > > > > > On 1/31/18, 2:17 PM, "Amanda Baber via RT" > > wrote: > > > > Dear Authors: > > > > ATTENTION: A RESPONSE TO THIS MESSAGE IS NEEDED > > > > We've completed the registry actions for the following RFC-to-be: > > > > draft-ietf-ospf-ospfv3-lsa-extend-23 > > > > ACTION 1: > > > > We've added the following entry to the OSPFv3 Prefix Options (8 bits) > > registry: > > > > 0x20 N-bit [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > > > Please see > > https://www.iana.org/assignments/ospfv3-parameters > > > > > > ACTION 2: > > > > We've created the following registry: > > > > OSPFv3 Extended-LSA TLVs > > Reference: [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > > > Range Registration Procedures > > 9-32767 IETF Review or IESG Approval > > 33024-45055 First Come First Served > > > > Value Description Reference > > 0 Reserved [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 1 Router-Link TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 2 Attached-Routers TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 3 Inter-Area Prefix TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 4 Inter-Area Router TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 5 External Prefix TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 6 Intra-Area Prefix TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 7 IPv6 Link-Local Address TLV [RFC-ietf-ospf-ospfv3-lsa-extend- > > 23] > > 8 IPv4 Link-Local Address TLV [RFC-ietf-ospf-ospfv3-lsa-extend- > > 23] > > 9-32767 Unassigned > > 32768-33023 Reserved for Experimental Use [RFC-ietf-ospf-ospfv3-lsa- > > extend-23] > > 33024-45055 Unassigned > > 45056-65535 Reserved [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > > > Please see > > https://www.iana.org/assignments/ospfv3-parameters > > > > > > ACTION 3: > > > > We've created the following registry: > > > > OSPFv3 Extended-LSA sub-TLVs > > Reference: [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > > > Range Registration Procedures > > 4-32767 IETF Review or IESG Approval > > 33024-45055 First Come First Served > > > > Value Description Reference > > 0 Reserved [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 1 IPv6 Forwarding Address sub-TLV [RFC-ietf-ospf-ospfv3-lsa-extend- > > 23] > > 2 IPv4 Forwarding Address sub-TLV [RFC-ietf-ospf-ospfv3-lsa-extend- > > 23] > > 3 Route Tag sub-TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > 4-32767 Unassigned > > 32768-33023 Reserved for Experimental Use [RFC-ietf-ospf-ospfv3-lsa- > > extend-23] > > 33024-45055 Unassigned > > 45056-65535 Reserved [RFC-ietf-ospf-ospfv3-lsa-extend-23] > > > > Please see > > https://www.iana.org/assignments/ospfv3-parameters > > > > > > Please let us know whether this document's registry actions have been > > completed correctly. Once we receive your confirmation, we'll notify > > the RFC Editor that the actions are complete. If a team of authors is > > responsible for the document, and the actions have been performed > > correctly, please send a single confirmation message. > > > > We'll update any references to this document in the registries when > > the RFC Editor notifies us that they've assigned an RFC number. > > > > Best regards, > > > > Amanda Baber > > Lead IANA Services Specialist > > > > > > > > > > > From nobody Thu Feb 1 02:49:02 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 960CE13174F for ; Thu, 1 Feb 2018 02:48:55 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.53 X-Spam-Level: X-Spam-Status: No, score=-14.53 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6bxw7ixYj1M9 for ; Thu, 1 Feb 2018 02:48:52 -0800 (PST) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 02445131729 for ; Thu, 1 Feb 2018 02:48:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=10374; q=dns/txt; s=iport; t=1517482131; x=1518691731; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=wAl7flMZUMnSH71x250vxriaZuZJFHi0mfcBAp19gmA=; b=Xt9YX/zfDlURb4D/sLPSjG2TTWNKJh6erp6I8HU9OiXinybnjXNmRgm8 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10:48:41 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-011.cisco.com (64.101.220.151) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Thu, 1 Feb 2018 05:48:40 -0500 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Thu, 1 Feb 2018 05:48:40 -0500 From: "Acee Lindem (acee)" To: "Peter Psenak (ppsenak)" CC: "Abhay Roy (akr)" , "dirk.goethals@nokia.com" , OSPF List Thread-Topic: [IANA #1047782] Protocol Action: 'OSPFv3 LSA Extendibility' to Proposed Standard (draft-ietf-ospf-ospfv3-lsa-extend-23.txt) Thread-Index: AQHTmuCgSTJE+Df4fEmUa5Blngsl4qOOmc+AgAD7JwD//8mxgA== Date: Thu, 1 Feb 2018 10:48:40 +0000 Message-ID: <7DD481BC-D0EE-4468-B02E-47FDFC993851@cisco.com> References: <151724292326.13004.18305618678457051977.idtracker@ietfa.amsl.com> <631C95C8-94DC-4C78-9275-AD70051552C7@cisco.com> <5A72D7C0.8060502@cisco.com> In-Reply-To: <5A72D7C0.8060502@cisco.com> Accept-Language: en-US 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Extensions for Segment Routing" - draft-ietf-ospf-ospfv3-segment-routing-extensions-11 Thread-Index: AQHTm0rBWh/LTiOZI0KKvanWTH0oFw== Date: Thu, 1 Feb 2018 10:52:30 +0000 Message-ID: <82DF7C5C-41AB-494C-AF49-187D584AC3BD@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.198] Content-Type: multipart/alternative; boundary="_000_82DF7C5C41AB494CAF49187D584AC3BDciscocom_" MIME-Version: 1.0 Archived-At: Subject: [OSPF] Early Allocations for "OSPFv3 Extensions for Segment Routing" - draft-ietf-ospf-ospfv3-segment-routing-extensions-11 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Feb 2018 10:52:34 -0000 --_000_82DF7C5C41AB494CAF49187D584AC3BDciscocom_ 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Helo=[fr711usmtp1-o.zeu.alcatel-lucent.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM2PR07MB0756 Archived-At: Subject: Re: [OSPF] [IANA #1047782] Protocol Action: 'OSPFv3 LSA Extendibility' to Proposed Standard (draft-ietf-ospf-ospfv3-lsa-extend-23.txt) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Feb 2018 12:07:56 -0000 indeed.
Thx,
Dirk

Op 1/02/2018 om 11:48 schreef Acee Lindem (acee):
Hi Peter, 

Good point, we have OSPFv3 SR implementations and don't want the code points used. 

Thanks
Acee

On 2/1/18, 4:02 AM, "Peter Psenak (ppsenak)" <ppsenak@cisco.com> wrote:

    Hi Acee,
    
    as a next step, can you please ask for a early IANA allocation from the 
    new registries as specified in section 8 of 
    draft-ietf-ospf-ospfv3-segment-routing-extensions-11.txt
    
    thanks,
    Peter
    
    On 01/02/18 00:04 , Acee Lindem (acee) wrote:
    > Hi Amanda,
    >
    > This is correct.
    >
    > Thanks
    > Acee
    >
    > On 1/31/18, 5:12 PM, "Amanda Baber via RT" <drafts-approval@iana.org> wrote:
    >
    >      Hi Acee,
    >
    >      I apologize for my oversight. There's no problem with placing the registrations in Section 2.
    >
    >      Can you confirm that this action has been completed correctly?
    >
    >      ACTION 4
    >
    >      We've registered the following OSPFv3 LSA Function Codes:
    >
    >      33	E-Router-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      34	E-Network-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      35	E-Inter-Area-Prefix-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      36	E-Inter-Area-Router-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      37	E-AS-External-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      38	Unused (Not to be allocated)	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      39	E-Type-7-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      40	E-Link-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      41	E-Intra-Area-Prefix-LSA	[RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >
    >      Please see
    >      https://www.iana.org/assignments/ospfv3-parameters
    >
    >      thanks,
    >      Amanda
    >
    >
    >      On Wed Jan 31 19:29:16 2018, acee@cisco.com wrote:
    >      > Hi Amanda,
    >      >
    >      > The actions below are correct. However, the one (the first) IANA
    >      > action from the draft is missing:
    >      >
    >      > This specification defines nine OSPFv3 Extended LSA types as
    >      > described in Section 2.  These are added the existing OSPFv3 LSA
    >      > Function Codes registry.
    >      >
    >      > I guess I should have repeated these in the IANA Considerations
    >      > section.
    >      >
    >      >
    >      > LSA function code   LS Type   Description
    >      > ----------------------------------------------------
    >      > 33                  0xA021    E-Router-LSA
    >      > 34                  0xA022    E-Network-LSA
    >      > 35                  0xA023    E-Inter-Area-Prefix-LSA
    >      > 36                  0xA024    E-Inter-Area-Router-LSA
    >      > 37                  0xC025    E-AS-External-LSA
    >      > 38                  N/A       Unused (Not to be allocated)
    >      > 39                  0xA027    E-Type-7-LSA
    >      > 40                  0x8028    E-Link-LSA
    >      > 41                  0xA029    E-Intra-Area-Prefix-LSA
    >      >
    >      >
    >      > OSPFv3 Extended LSA Types
    >      >
    >      > Thanks,
    >      >  Acee
    >      >
    >      >
    >      >
    >      >
    >      > On 1/31/18, 2:17 PM, "Amanda Baber via RT" <drafts-approval@iana.org>
    >      > wrote:
    >      >
    >      > Dear Authors:
    >      >
    >      > ATTENTION: A RESPONSE TO THIS MESSAGE IS NEEDED
    >      >
    >      > We've completed the registry actions for the following RFC-to-be:
    >      >
    >      > draft-ietf-ospf-ospfv3-lsa-extend-23
    >      >
    >      > ACTION 1:
    >      >
    >      > We've added the following entry to the OSPFv3 Prefix Options (8 bits)
    >      > registry:
    >      >
    >      > 0x20        N-bit   [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      >
    >      > Please see
    >      > https://www.iana.org/assignments/ospfv3-parameters
    >      >
    >      >
    >      > ACTION 2:
    >      >
    >      > We've created the following registry:
    >      >
    >      > OSPFv3 Extended-LSA TLVs
    >      > Reference: [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      >
    >      > Range       Registration Procedures
    >      > 9-32767     IETF Review or IESG Approval
    >      > 33024-45055 First Come First Served
    >      >
    >      > Value       Description     Reference
    >      > 0   Reserved        [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 1   Router-Link TLV [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 2   Attached-Routers TLV    [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 3   Inter-Area Prefix TLV   [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 4   Inter-Area Router TLV   [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 5   External Prefix TLV     [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 6   Intra-Area Prefix TLV   [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 7   IPv6 Link-Local Address TLV     [RFC-ietf-ospf-ospfv3-lsa-extend-
    >      > 23]
    >      > 8   IPv4 Link-Local Address TLV     [RFC-ietf-ospf-ospfv3-lsa-extend-
    >      > 23]
    >      >      9-32767     Unassigned
    >      > 32768-33023 Reserved for Experimental Use   [RFC-ietf-ospf-ospfv3-lsa-
    >      > extend-23]
    >      >      33024-45055 Unassigned
    >      > 45056-65535 Reserved        [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      >
    >      > Please see
    >      > https://www.iana.org/assignments/ospfv3-parameters
    >      >
    >      >
    >      > ACTION 3:
    >      >
    >      > We've created the following registry:
    >      >
    >      > OSPFv3 Extended-LSA sub-TLVs
    >      > Reference: [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      >
    >      > Range       Registration Procedures
    >      > 4-32767     IETF Review or IESG Approval
    >      > 33024-45055 First Come First Served
    >      >
    >      > Value       Description     Reference
    >      > 0   Reserved        [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      > 1   IPv6 Forwarding Address sub-TLV  [RFC-ietf-ospf-ospfv3-lsa-extend-
    >      > 23]
    >      > 2   IPv4 Forwarding Address sub-TLV  [RFC-ietf-ospf-ospfv3-lsa-extend-
    >      > 23]
    >      > 3   Route Tag sub-TLV       [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      >      4-32767     Unassigned
    >      > 32768-33023 Reserved for Experimental Use   [RFC-ietf-ospf-ospfv3-lsa-
    >      > extend-23]
    >      >      33024-45055 Unassigned
    >      > 45056-65535 Reserved        [RFC-ietf-ospf-ospfv3-lsa-extend-23]
    >      >
    >      > Please see
    >      > https://www.iana.org/assignments/ospfv3-parameters
    >      >
    >      >
    >      > Please let us know whether this document's registry actions have been
    >      > completed correctly. Once we receive your confirmation, we'll notify
    >      > the RFC Editor that the actions are complete. If a team of authors is
    >      > responsible for the document, and the actions have been performed
    >      > correctly, please send a single confirmation message.
    >      >
    >      > We'll update any references to this document in the registries when
    >      > the RFC Editor notifies us that they've assigned an RFC number.
    >      >
    >      > Best regards,
    >      >
    >      > Amanda Baber
    >      > Lead IANA Services Specialist
    >      >
    >      >
    >      >
    >
    >
    >
    >
    >

From nobody Thu Feb 1 06:38:42 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2B05512EB25 for ; Thu, 1 Feb 2018 06:38:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iLlZaQl9fWmE for ; Thu, 1 Feb 2018 06:38:36 -0800 (PST) Received: from mail-ot0-x22b.google.com (mail-ot0-x22b.google.com [IPv6:2607:f8b0:4003:c0f::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5AEC4131740 for ; Thu, 1 Feb 2018 06:38:33 -0800 (PST) Received: by mail-ot0-x22b.google.com with SMTP id f100so17084173otf.3 for ; Thu, 01 Feb 2018 06:38:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=ueiEh4BJP1ZPWnYr34hsq3rGEENpCCEIeP69R53Me1M=; b=SD/6EwrJD5wWVHPwTbTxYcdcboFnI97k0KACRtiLMxt3NCKLWo9mnUKBgEWMnqZuUo 0hzAk2tPG0BEiueGkm+sb9HpWimZMIvCsmBJ8cRrOWJJkqBgHVoyy/NxMClc555Xy2lS BihzZtik4wbxy6hixgxrflJdfAX9aUrVCZcI06uA3NYsv+RuVcSdON1idne3AtVmhw0B YmvU+TgBOJUijK/EH0Y1ua4gA2PLznkqqyC4H1eAnhwQgnyqCgtetyIMHfAhyDdG82nG ua4XZgGePgrtaKT6O5DfDz24WBAgFq+ZiUeIXi74NM4ozqSYIv5L2OLc8Bo/MFVrqk49 6QFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=ueiEh4BJP1ZPWnYr34hsq3rGEENpCCEIeP69R53Me1M=; b=WR+/vu8/0G2zA/mKZvoFWvUPfO75jfe+uzf30FU0KmtewSAvoIxulFyxXInmElRani DrQvuOyDxQMLzBqWqfv6Vf3LdYlo5G3ENrQrTWHPYaDGnKqTQZx/LgiPUGaCN2F8RVBf D1wlp0nXGPsQvQYfiKTN+3HZGGD7PQNT2uMPluQu+3ESSUssnZWbZXW3HOfaQaD1FieX 4PUc8Kpe444KsvPoVNnJEvljOLOupw//fqaLpTeplPxuXurIzltwTad+9p6MqHNEQFEO y2SBp6cgMh3DMdpoSQr+GHZDNkTwXSKcyL9pouBuS0ZMdTWbkxofS96GqnWUH4Csk080 l+Gw== X-Gm-Message-State: AKwxyteXF/Vu0WGNdkBDAcx6dB7DOIhxOLZ+DzEbSsyS/U3OnN4hqkCc 4dxsL1sO48c0Vh9TPCF703rwAADhss6ja0mvnwk= X-Google-Smtp-Source: AH8x2245OGt0os0FTNEOUdXiIx+vTjFDj8r9XfAPezsMhmiRH1vcg4spo9455B+Aq4hH4Fgn/His2BmA5UuKef3iWxA= X-Received: by 10.157.60.34 with SMTP id q31mr7550847otc.96.1517495912412; Thu, 01 Feb 2018 06:38:32 -0800 (PST) MIME-Version: 1.0 Received: by 10.157.40.246 with HTTP; Thu, 1 Feb 2018 06:38:31 -0800 (PST) In-Reply-To: <82DF7C5C-41AB-494C-AF49-187D584AC3BD@cisco.com> References: <82DF7C5C-41AB-494C-AF49-187D584AC3BD@cisco.com> From: Alia Atlas Date: Thu, 1 Feb 2018 09:38:31 -0500 Message-ID: To: "Acee Lindem (acee)" Cc: IANA , OSPF WG List , Alia Atlas Content-Type: multipart/alternative; boundary="001a11c02322cebd5a0564278cbd" Archived-At: Subject: Re: [OSPF] Early Allocations for "OSPFv3 Extensions for Segment Routing" - draft-ietf-ospf-ospfv3-segment-routing-extensions-11 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Feb 2018 14:38:41 -0000 --001a11c02322cebd5a0564278cbd Content-Type: text/plain; charset="UTF-8" Approved. Glad to see these start to come in so we can get parity with OSPFv3 for extensions. Regards, Alia On Thu, Feb 1, 2018 at 5:52 AM, Acee Lindem (acee) wrote: > Hi Amanda, et al, > > > > The OSPF WG would like to request early allocations for the subject draft. > > > > These are specified in Section 8 of the draft: > > > > 8.1. OSPFv3 Extend-LSA TLV Registry > > > > Following values are allocated: > > > > o suggested value 9 - OSPFv3 Extended Prefix Range TLV > > > > 8.2. OSPFv3 Extend-LSA Sub-TLV registry > > > > o 4 - Prefix SID Sub-TLV > > > > o 5 - Adj-SID Sub-TLV > > > > o 6 - LAN Adj-SID Sub-TLV > > > > o 7 - SID/Label Sub-TLV > > > > Thanks, > > Acee > > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf > > --001a11c02322cebd5a0564278cbd Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Approved.

Glad to see these start to co= me in so we can get parity with OSPFv3 for extensions.

=
Regards,
Alia

On Thu, Feb 1, 2018 at 5:52 AM, Acee Lindem (acee) <= span dir=3D"ltr"><ac= ee@cisco.com> wrote:

Hi Amanda, et al, <= u>

=C2=A0

The OSPF WG would l= ike to request early allocations for the subject draft.

=C2=A0

These are specified= in Section 8 of the draft:

=C2=A0

8.1.=C2=A0 OSPFv3 Extend-LSA TLV Registry<= /u>

=C2=A0

=C2=A0=C2=A0 Following values are allocated:<= u>

=C2=A0

=C2=A0=C2=A0 o suggested value 9 - OSPFv3 Extended P= refix Range TLV

=C2=A0

8.2.=C2=A0 OSPFv3 Extend-LSA Sub-TLV registry=

=C2=A0

=C2=A0=C2=A0 o 4 - Prefix SID Sub-TLV<= /span>

=C2=A0

=C2=A0=C2=A0 o 5 - Adj-SID Sub-TLV

=C2=A0

=C2=A0=C2=A0 o 6 - LAN Adj-SID Sub-TLV=

=C2=A0

=C2=A0=C2=A0 o 7 - SID/Label Sub-TLV

=C2=A0

Thanks,

Acee =


_______________________________________________
OSPF mailing list
OSPF@ietf.org
https://www.ietf.org/mailman/listinfo/ospf


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Feb 2018 16:54:59 -0500 From: "Acee Lindem (acee)" To: Martin Bjorklund , "lhotka@nic.cz" CC: "yang-doctors@ietf.org" , "draft-ietf-ospf-yang.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Thread-Topic: [yang-doctors] Yangdoctors last call review of draft-ietf-ospf-yang-09 Thread-Index: AQHTboUcIbs87wVZj0yzoeuFibmmLKNqkMSAgAEjW4CAAARAAIAAdfEAgAAD/ICAAAyegIABJEgAgBMhLoCAD+0xgA== Date: Thu, 1 Feb 2018 21:54:59 +0000 Message-ID: <47F532E6-18A8-44C3-B8FA-CAB7B8959231@cisco.com> References: <1515510536.26845.18.camel@nic.cz> <20180109.162311.49506989189385960.mbj@tail-f.com> <1515514101.26845.52.camel@nic.cz> <20180110.103428.251892557297447292.mbj@tail-f.com> <2AECD072-7E95-4493-82E1-F83EA32F6F2E@cisco.com> In-Reply-To: <2AECD072-7E95-4493-82E1-F83EA32F6F2E@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.198] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] [yang-doctors] Yangdoctors last call review of draft-ietf-ospf-yang-09 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Feb 2018 21:55:34 -0000 TWFydGluLCBMYWRhLA0KDQpJIGJlbGlldmUgdGhpcyBnb3QgbG9zdCB3aXRoIGFsbCB0aGUgZGlz Y3Vzc2lvbiBvZiBzY2hlbWEgbW91bnQveWFuZyBsaWJyYXJ5IGR1cmluZyByb3VnaGx5IHRoZSBz YW1lIHRpbWUgZnJhbWUuICBZb3UgaGF2ZSBib3RoIGFkdm9jYXRlZCB1c2luZyBkZXJpdmVkLWZy b20oKS9kZXJ2aXZlZC1mcm9tLW9yLXNlbGYoKSBmb3IgaWV0Zi1vc3BmLnlhbmcgY2hlY2tpbmcu IEhvd2V2ZXIsIGVpdGhlciBJIGhhdmUgbWlzaW50ZXJwcmV0ZWQgdGhlIFJGQyA3OTUwIGRlc2Ny aXB0aW9uIG9mIHRoZXNlIFlBTkcgZnVuY3Rpb25zIG9yIHRoZSB5YW5ndmFsaWRhdG9yIHZhbGlk YXRpb24gaXMgYnJva2VuLiBQbGVhc2Ugc2VlIGJlbG93LiANCg0KVGhhbmtzLA0KQWNlZSANCg0K 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Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-015.cisco.com (64.101.220.155) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Thu, 1 Feb 2018 16:57:11 -0500 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Thu, 1 Feb 2018 16:57:11 -0500 From: "Acee Lindem (acee)" To: Martin Bjorklund , "lhotka@nic.cz" CC: "yang-doctors@ietf.org" , "draft-ietf-ospf-yang.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Thread-Topic: [yang-doctors] Yangdoctors last call review of draft-ietf-ospf-yang-09 Thread-Index: AQHTboUcIbs87wVZj0yzoeuFibmmLKNqkMSAgAEjW4CAAARAAIAAdfEAgAAD/ICAAAyegIABJEgAgCMO/IA= Date: Thu, 1 Feb 2018 21:57:11 +0000 Message-ID: <22FC6376-1DB7-4957-80E4-689E079E9D7F@cisco.com> References: <1515510536.26845.18.camel@nic.cz> <20180109.162311.49506989189385960.mbj@tail-f.com> <1515514101.26845.52.camel@nic.cz> <20180110.103428.251892557297447292.mbj@tail-f.com> In-Reply-To: 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autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Hum9S8NPqWPv; Thu, 1 Feb 2018 14:15:03 -0800 (PST) Received: from mail.tail-f.com (mail.tail-f.com [46.21.102.45]) by ietfa.amsl.com (Postfix) with ESMTP id C096612ECCC; Thu, 1 Feb 2018 14:15:02 -0800 (PST) Received: from localhost (h-80-27.A165.priv.bahnhof.se [212.85.80.27]) by mail.tail-f.com (Postfix) with ESMTPSA id 52D851AE0118; Thu, 1 Feb 2018 23:15:01 +0100 (CET) Date: Thu, 01 Feb 2018 23:15:00 +0100 (CET) Message-Id: <20180201.231500.294238499203436586.mbj@tail-f.com> To: acee@cisco.com Cc: lhotka@nic.cz, yang-doctors@ietf.org, draft-ietf-ospf-yang.all@ietf.org, ietf@ietf.org, ospf@ietf.org From: Martin Bjorklund In-Reply-To: <47F532E6-18A8-44C3-B8FA-CAB7B8959231@cisco.com> References: <20180110.103428.251892557297447292.mbj@tail-f.com> <2AECD072-7E95-4493-82E1-F83EA32F6F2E@cisco.com> <47F532E6-18A8-44C3-B8FA-CAB7B8959231@cisco.com> 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From: Alvaro Retana In-Reply-To: References: <151681659533.22557.7134296491991402002.idtracker@ietfa.amsl.com> X-Mailer: Airmail (467) MIME-Version: 1.0 Date: Thu, 1 Feb 2018 14:17:18 -0800 Message-ID: To: Shraddha Hegde , The IESG Cc: Acee Lindem , "draft-ietf-ospf-link-overload@ietf.org" , "ospf-chairs@ietf.org" , "ospf@ietf.org" Content-Type: multipart/alternative; boundary="001a113cced87c23c805642df50a" Archived-At: Subject: Re: [OSPF] Alvaro Retana's No Objection on draft-ietf-ospf-link-overload-13: (with COMMENT) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Feb 2018 22:17:21 -0000 --001a113cced87c23c805642df50a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On January 30, 2018 at 11:43:53 PM, Shraddha Hegde (shraddha@juniper.net) wrote: ... (3) Section 4.5. mentions that a "new TLV called Graceful-Link-Shutdown is defined" for BGP-LS, but there are no details on the format, etc. The IANA Considerations section suggests a value, not for a TLV but for an NLRI Type= ! OK. Refered section 3.1 of RFC 7752 and described the contents of the TLV IANA section seems ok to me. Could you be more specific what needs to change? BGP-LS Link NLRI Registry [RFC7752] >>>>>>>Registry i)Graceful-Link-Shutdown TLV - Suggested 1101 >>>>>>>TLV type Maybe it=E2=80=99s just me and I just don=E2=80=99t understand=E2=80=A6whic= h is completely possible. There are two points: (1) It looks like you=E2=80=99re defining a new Graceful-Link-Shutdown TLV for = BGP-LS. This TLV (based on the updated description) has no information in it. How does the receiver know which link the sender is referring to? Note that for the OSPF graceful-link-shutdown sub-TLVs, you are indicating where to carry them so that there is an obvious indication of which link is being shutdown. I would like to see explicitly specified how the receiver associates this TLV with the appropriate link. Again, I may be missing the details. (2) The value for the TLV was reserved by IANA in the "BGP-LS NLRI-Types" registry, not in the "BGP-LS Node Descriptor, Link Descriptor, Prefix Descriptor, and Attribute TLVs=E2=80=9D register, which is where I would ha= ve assumed a modifier to the link would reside. IOW, according to the registry you are defining a new NLRI Type, not a new TLV =E2=80=94 and, acc= ording to the updated description in the document there=E2=80=99s no information i= n this NLRI. The TLV code point registration should be in =E2=80=9CBGP-LS Nod= e Descriptor, Link Descriptor, Prefix Descriptor, and Attribute TLVs=E2=80=9D= I have corrected this in the document. Will e-mail to IANA for correction as well. Does that answer your concerns? That addresses the concern #2 above. I still don=E2=80=99t see anywhere ho= w the receiver associates this (empty) TLV with the right link. Alvaro. --001a113cced87c23c805642df50a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =
On January 30, 2018 at 11:43:53 PM, Shraddha Hegd= e (shraddha@juniper.net) wrote:=


...

(3) Section 4.5. mentions that a "new TLV called Gr= aceful-Link-Shutdown is defined" for BGP-LS, but there are no details = on the format, etc. The IANA Considerations section suggests a value, not f= or a TLV but for an NLRI Type!=C2=A0<= /span>
<Shraddha> OK. Refered section 3.1 of RFC 7752 and describe= d the contents of the TLV=C2=A0
IANA section seems ok to me. Could you be more specific what needs to = change?=C2=A0


BGP-L= S Link NLRI Registry [RFC7752] >>>>>>>Registry=C2=A0

i)Graceful-Link-Shutdown= TLV - Suggested 1101 >>>>>>>TLV type=C2=A0

Maybe i= t=E2=80=99s just me and I just don=E2=80=99t understand=E2=80=A6which is co= mpletely possible.=C2=A0 There are two points:

(1)

It looks like you=E2= =80=99re defining a new Graceful-Link-Shutdown TLV for BGP-LS.=C2=A0 This T= LV (based on the updated description) has no information in it.=C2=A0 How d= oes the receiver know which link the sender is referring to?

<= span style=3D"font-size:10pt;font-family:Helvetica,sans-serif">Note that fo= r the OSPF=C2=A0graceful-link-shutdown sub-TLVs, you are indicating where t= o carry them so that there is an obvious indication of which link is being = shutdown.=C2=A0 I would like to see explicitly specified how the receiver a= ssociates this TLV with the appropriate link.=C2=A0 Again, I may be missing= the details.

=C2=A0

(2)

The value for the TLV was= reserved by IANA in the "BGP-LS NLRI-Types" registry, not in the= "BGP-LS Node Descriptor, Link Descriptor, Prefix Descriptor, and Attr= ibute TLVs=E2=80=9D register, which is where I would have assumed a modifie= r to the link would reside.=C2=A0 IOW, according to the registry you are de= fining a new NLRI Type, not a new TLV =E2=80=94 and, according to the updat= ed description in the document there=E2=80=99s no information in this NLRI.=

<Shraddha> The TLV code point registration sh= ould be in =E2=80=9CBGP-LS Node Descriptor, Link Descriptor, Prefix Descriptor,= and Attribute TLVs=E2=80=9D I have corrected this in the document.<= /p>

Will e-mail to IANA for correction as well.

Does that answer your concerns?

That addresses the concern #2 above.=C2=A0 I still don=E2= =80=99t see anywhere how the receiver associates this (empty) TLV with the = right link.

Alvaro.

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Lindem (acee)" To: Alvaro Retana , Shraddha Hegde , The IESG CC: "draft-ietf-ospf-link-overload@ietf.org" , "ospf-chairs@ietf.org" , "ospf@ietf.org" Thread-Topic: Alvaro Retana's No Objection on draft-ietf-ospf-link-overload-13: (with COMMENT) Thread-Index: AQHTm6ptahqKD0HRk0+7LhnK0OdCCKOQJJ0A Date: Thu, 1 Feb 2018 22:42:44 +0000 Message-ID: <4A84DEFC-F162-44DB-9B62-4D88C6DEA729@cisco.com> References: <151681659533.22557.7134296491991402002.idtracker@ietfa.amsl.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.198] Content-Type: multipart/alternative; boundary="_000_4A84DEFCF16244DB9B624D88C6DEA729ciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Alvaro Retana's No Objection on draft-ietf-ospf-link-overload-13: (with COMMENT) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list 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+0000 Message-ID: <13F95329-13A9-4B22-973A-24A1FC2BE1E8@cisco.com> References: <20180110.103428.251892557297447292.mbj@tail-f.com> <2AECD072-7E95-4493-82E1-F83EA32F6F2E@cisco.com> <47F532E6-18A8-44C3-B8FA-CAB7B8959231@cisco.com> <20180201.231500.294238499203436586.mbj@tail-f.com> In-Reply-To: <20180201.231500.294238499203436586.mbj@tail-f.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.198] Content-Type: text/plain; charset="utf-8" Content-ID: <17AFE20B29DD9C4197982025F0B8D624@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] [yang-doctors] Yangdoctors last call review of draft-ietf-ospf-yang-09 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: 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YXYgTGhvdGthDQogICAgPiAgICAgICAgID4gSGVhZCwgQ1ouTklDIExhYnMNCiAgICA+ICAgICAg ICAgPiBQR1AgS2V5IElEOiAweEI4RjkyQjA4QTlGNzZDNjcNCiAgICA+ICAgICAgICAgPiANCiAg ICA+ICAgICAgICAgDQogICAgPiAgICAgDQogICAgPiAgICAgDQogICAgPiANCiAgICA+IA0KICAg IA0KDQo= From nobody Fri Feb 2 14:57:07 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C48E312D879 for ; Fri, 2 Feb 2018 14:57:05 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.53 X-Spam-Level: X-Spam-Status: No, score=-14.53 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit 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Server (TLS) id 15.0.1320.4; Fri, 2 Feb 2018 17:57:01 -0500 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Fri, 2 Feb 2018 17:57:01 -0500 From: "Acee Lindem (acee)" To: Balaji venkat Venkataswami , "ospf@ietf.org" , "Peter Psenak (ppsenak)" Thread-Topic: I-D Action: draft-ietf-ospf-te-link-attr-reuse-03.txt Thread-Index: AQHTmq4wXDoQQaQ+l0SJaWBB2x8ss6ORvOaA Date: Fri, 2 Feb 2018 22:57:01 +0000 Message-ID: References: <151731787540.27488.14111387915689532214@ietfa.amsl.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.198] Content-Type: multipart/alternative; boundary="_000_E51CAB8CFA34490EBADF374A454BB885ciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] I-D Action: draft-ietf-ospf-te-link-attr-reuse-03.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Feb 2018 22:57:06 -0000 --_000_E51CAB8CFA34490EBADF374A454BB885ciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGkgQmFsYWppLA0KDQpJIGd1ZXNzIHlvdSBoYXZlIE5PVCBiZWVuIGZvbGxvd2luZyB0aGUgT1NQ RiBtYWlsaW5nIGxpc3TigKYgVGhlIHdob2xlIHBvaW50IG9mIHRoZSBkcmFmdCBpcyB0byBOT1Qg cmVxdWlyZSBPU1BGIFRFIExTQXMgd2hlbiBSU1ZQIHRyYWZmaWMgZW5naW5lZXJpbmcgaW4gbm90 IGFjdGl2ZSDigJMgZmV3ZXIgTFNBcyB0byBjb3JyZWxhdGUgaXMgYmV0dGVyLg0KDQpQbGVhc2Ug cmV2aWV3IHRoZSBhcmNoaXZlcy4NCg0KaHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy93Zy9v c3BmL2FyY2hpdmVzLw0KDQpIb3BlIHRoaXMgaGVscHMsDQpBY2VlDQoNCkZyb206IEJhbGFqaSB2 ZW5rYXQgVmVua2F0YXN3YW1pIDxiYWxhaml2ZW5rYXQyOTlAZ21haWwuY29tPg0KRGF0ZTogV2Vk bmVzZGF5LCBKYW51YXJ5IDMxLCAyMDE4IGF0IDExOjExIEFNDQpUbzogT1NQRiBXRyBMaXN0IDxv 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MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.71.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <151780462903.5816.12358841695156066925@ietfa.amsl.com> Date: Sun, 04 Feb 2018 20:23:49 -0800 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-link-overload-16.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Feb 2018 04:23:49 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPF Graceful Link shutdown Authors : Shraddha Hegde Pushpasis Sarkar Hannes Gredler Mohan Nanduri Luay Jalil Filename : draft-ietf-ospf-link-overload-16.txt Pages : 17 Date : 2018-02-04 Abstract: When a link is being prepared to be taken out of service, the traffic needs to be diverted from both ends of the link. Increasing the metric to the highest value on one side of the link is not sufficient to divert the traffic flowing in the other direction. It is useful for the routers in an OSPFv2 or OSPFv3 routing domain to be able to advertise a link as being in a graceful-shutdown state to indicate impending maintenance activity on the link. This information can be used by the network devices to re-route the traffic effectively. This document describes the protocol extensions to disseminate graceful-link-shutdown information in OSPFv2 and OSPFv3. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-link-overload/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-link-overload-16 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-link-overload-16 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-link-overload-16 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Feb 5 06:28:36 2018 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 121141242F7; Mon, 5 Feb 2018 06:28:30 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Deborah Brungard To: "The IESG" Cc: draft-ietf-ospf-link-overload@ietf.org, Acee Lindem , ospf-chairs@ietf.org, acee@cisco.com, ospf@ietf.org, teas@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.71.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <151784091006.5767.7523007440587109122.idtracker@ietfa.amsl.com> Date: Mon, 05 Feb 2018 06:28:30 -0800 Archived-At: Subject: [OSPF] Deborah Brungard's No Objection on draft-ietf-ospf-link-overload-16: (with COMMENT) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Feb 2018 14:28:30 -0000 Deborah Brungard has entered the following ballot position for draft-ietf-ospf-link-overload-16: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-ospf-link-overload/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Thanks for addressing my Discuss and comment. From nobody Mon Feb 5 07:43:29 2018 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 4D30912D84B; Mon, 5 Feb 2018 07:43:18 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.71.1 Auto-Submitted: auto-generated Precedence: bulk Cc: The IESG , draft-ietf-ospf-link-overload@ietf.org, akatlas@gmail.com, ospf@ietf.org, Acee Lindem , acee@cisco.com, ospf-chairs@ietf.org, rfc-editor@rfc-editor.org MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <151784539831.5771.10292984222481715050.idtracker@ietfa.amsl.com> Date: Mon, 05 Feb 2018 07:43:18 -0800 Archived-At: Subject: [OSPF] Protocol Action: 'OSPF Graceful Link shutdown' to Proposed Standard (draft-ietf-ospf-link-overload-16.txt) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Feb 2018 15:43:19 -0000 The IESG has approved the following document: - 'OSPF Graceful Link shutdown' (draft-ietf-ospf-link-overload-16.txt) as Proposed Standard This document is the product of the Open Shortest Path First IGP Working Group. The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-link-overload/ Technical Summary When a link is being prepared to be taken out of service, the traffic needs to be diverted from both ends of the link. Increasing the metric to the highest value on one side of the link is not sufficient to divert the traffic flowing in the other direction. It is useful for routers in an OSPFv2 or OSPFv3 routing domain to be able to advertise a link as being in a graceful-shutdown state to indicate impending maintenance activity on the link. This information can be used by the network devices to re-route the traffic effectively. This document describes the protocol extensions to disseminate graceful-link-shutdown information in OSPFv2 and OSPFv3. Working Group Summary There was considerable discussion on both the use case and whether we could use signaling amongst the routers on the link. However, this would not allow a controller to be informed. Additionally, there was discussion as to whether this could simply inferred from a high forward metric. After some discussion, it was agreed explicit signaling was preferred. Additionally, there was some intertwining of requirements with the signaling of other OSPF link attributes. Now that these are resolved we can move forward with this draft. Document Quality This document has been a WG document for more a year. There have been several iterations due to the controversy over area-wide versus neighbor signaling. Now that we have reached consensus, the document is fairly stable from a protocol standpoint. There has been some discussion on the use cases and they have been refined in the current version. Personnel Acee Lindem is the Document Shepherd. Alia Atlas is the Responsible Area Director. From nobody Mon Feb 5 10:02:28 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 300CE12D862; Mon, 5 Feb 2018 10:02:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id B7fnpnUE1Sla; Mon, 5 Feb 2018 10:02:18 -0800 (PST) Received: from mail-ot0-x236.google.com (mail-ot0-x236.google.com [IPv6:2607:f8b0:4003:c0f::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3B817127369; Mon, 5 Feb 2018 10:02:18 -0800 (PST) Received: by mail-ot0-x236.google.com with SMTP id s4so3521636oth.7; Mon, 05 Feb 2018 10:02:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=mkQfi4DVPLSgcCnGMPiP1rvRbEm1aMwW0hsx1JP6dfg=; b=vFu9mkvr4JIxQj4rnfEeSDCBpqlxGKk5My1N2fPEqA04Toykumly7xDhKBGu2m61sj KqYMn89jn5dH1ihnF9mP3R/NQi0+eQWK7E5kiKfNYrVFYTvNmxMy2OM2QiDgps1PMqhP J/l0AZaowbndIH02YUI+CznFq1rrlekKVv3gIrw6V9SVnsdxZDiXqNLzerEoDj3m35Mg AaxgK8b8ipGpsz7BtDhYWnj/umhZtZfXyJXTfkmGRd2f3POg4I8AlruefUMnNNDPNDXz lCrQTTUZUzA1OKvmglXh1+o+9VdHYCEU4tvvlz7nlVS+u/sxm6vwDUQ45GPP2WBxp3Vl PAuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=mkQfi4DVPLSgcCnGMPiP1rvRbEm1aMwW0hsx1JP6dfg=; b=JeE0QPwFNaLd9FtOsoXy38x8W629QakTJmwL723grmsaQRGDwNXHVKYE4voCR39M/i 9SdMJZwXQvOPh8SbYaHYMyi8qxvvtIvQz5LJUQlv998RJ4FWVuOLG881dpoAL/lT8/Oe Xx1Wfzzc8DVqG7qQriyrjOw75nH0q35PbbINNuiny3baIQCKUt6iqAFz5k8X6ks7yYbF Nw1G6eW4ZQpq28indMgMjIKNVS6HRO+oGQ44JVa7O1UyLe9gTLrG6SYzxdRJquiEit1D 8xbqNaaA8GwHbnC25xxSMbnYpc5U01cNJMnZsaxATlTskmCxb12LJFbhibZrusnuTZlU 2ckA== X-Gm-Message-State: AKwxytd0FJszrEPIr3SOopnet75O8P2j19QTTuBm/rQPieM9O8daRBcV IWihT3wMXxfGmnEjGOHR8Kev/cBMI4ipjHI00+yQBqwi X-Google-Smtp-Source: AH8x225UXlDXUbMmpaiBFh27UlwXYeRRyTGh+bcqs8t3IKzzLb5FGFz4hzYjxZUV8CVIB+lcUD+Ri4/CTCqyrN7sgWc= X-Received: by 10.157.12.168 with SMTP id b37mr17310749otb.6.1517853736988; Mon, 05 Feb 2018 10:02:16 -0800 (PST) MIME-Version: 1.0 Received: by 10.157.40.246 with HTTP; Mon, 5 Feb 2018 10:02:16 -0800 (PST) In-Reply-To: References: From: Alia Atlas Date: Mon, 5 Feb 2018 13:02:16 -0500 Message-ID: To: "isis-wg@ietf.org" , OSPF List Content-Type: multipart/alternative; boundary="001a1140af66d07b0805647adc8e" Archived-At: Subject: Re: [OSPF] [Isis-wg] Link-State Routing WG charter X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Feb 2018 18:02:21 -0000 --001a1140af66d07b0805647adc8e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable To finish this up, I also got a better wording suggestion from Hannes for the data-center support. The charter is on the IESG telechat this Thurs for internal review. There will still be a couple weeks for the external review before it is finally approved. Please take a look at https://datatracker.ietf.org/doc/charter-ietf-lsr/ (charter-ietf-lsr-00-06) for the current proposed charter text. That is also copied below: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D The Link-State Routing (LSR) Working Group is chartered to document current protocol implementation practices and improvements, protocol usage scenarios, maintenance and extensions of link-state routing interior gatewa= y protocols (IGPs) with a focus on IS-IS, OSPFv2, and OSPFv3. The LSR Workin= g Group is formed by merging the isis and ospf WGs and will take on all their existing adopted work at the time of chartering. IS-IS is an IGP specified and standardized by ISO through ISO 10589:2002 an= d additional RFC standards with extensions to support IP that has been deployed in the Internet for decades. For the IS-IS protocol, LSR-WG=E2=80=99s work= is focused on IP routing, currently based on the agreement in RFC 3563 with ISO/JTC1/SC6. The LSR-WG will interact with other standards bodies that have responsible for standardizing IS-IS. LSR-WG will continue to support Layer 2 routing (for example TRILL work) as needed. OSPFv2 [RFC 2328 and extensions], is an IGP that has been deployed in the Internet for decades. OSPFv3 [RFC5340 and extensions] provides OSPF for IPv= 6 and IPv4 [RFC5838] which can be delivered over IPv6 or IPv4 [RFC 7949]. The LSR Working Group will generally manage its specific work items by milestones agreed with the responsible Area Director. In addition to ongoing maintenance, the following topics are expected to be among the work-items at the time of chartering. 1) Improving OSPF support for IPv6 and extensions using OSPFv3 LSA Extendibility. 2) Extensions needed for Segment Routing and associated architectural changes 3) YANG models for IS-IS, OSPFv2, and OSPFv3 and extensions 4) Extensions for source-destination routing [draft-ietf-rtgwg-dst-src-routing] 5) Improving the transport/io/flooding behavior of the protocols to better support dense meshed network topologies, such as are commonly used in data centers. The Link-State Routing (LSR) Working Group will coordinate with other working groups, such as RTGWG, SPRING, MPLS, TEAS, PCE, V6OPS, and 6MAN, to understand the need for extensions and to confirm that the planned work meets the need= s and is compatible with IS-IS and/or OSPF from functional, architectural and performance point of views. LSR-WG will coordinate with CCAMP and BIER on their extensions to the LSR IGPs as applicable to LSR protocol operation an= d scale. LSR-WG should coordinate with other WGs as needed. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Regards, Alia On Thu, Jan 25, 2018 at 10:07 PM, Alia Atlas wrote: > Andrew, > > > I like that improvement. > > Thanks, > Alia > > On Thu, Jan 25, 2018 at 9:06 PM, Dolganow, Andrew (Nokia - SG/Singapore) = < > andrew.dolganow@nokia.com> wrote: > >> One comment =E2=80=93 I would add a bit of text at the end of the below-= quoted >> sentence to ensure that =E2=80=9Cextensions planned to meet the needs=E2= =80=9D do not >> create stability/performance problems to IGPs. I proposed a text in red = for >> that: >> >> >> >> The Link-State Routing (LSR) Working Group will coordinate with other >> working groups, such as RTGWG, SPRING, MPLS, TEAS, V6OPS, and 6MAN, to >> understand the need for extensions and to confirm that the planned work >> meets the needs and is compatible with both IS-IS and OSPF from >> functional, architectural and performance point of views >> >> >> >> Andrew >> >> >> >> *From: *Isis-wg on behalf of Alia Atlas < >> akatlas@gmail.com> >> *Date: *Thursday, January 25, 2018 at 1:19 AM >> *To: *"isis-wg@ietf.org" , OSPF List >> *Subject: *[Isis-wg] Link-State Routing WG charter >> >> >> >> Here is the proposed charter for the LSR working group >> >> that will be created from the SPF and ISIS working groups. >> >> >> >> This is scheduled for internal review for the IESG telechat on February = 8. >> >> >> >> https://datatracker.ietf.org/doc/charter-ietf-lsr/ >> >> >> >> The Link-State Routing (LSR) Working Group is chartered to document >> current protocol implementation practices and improvements, protocol usa= ge >> scenarios, maintenance and extensions of link-state routing interior >> gateway protocols (IGPs) with a focus on IS-IS, OSPFv2, and OSPFv3. The >> LSR Working Group is formed by merging the isis and ospf WGs and will ta= ke >> on all their existing adopted work at the time of chartering. >> >> >> >> IS-IS is an IGP specified and standardized by ISO through ISO 10589:2002 >> and additional RFC standards with extensions to support IP that has been >> deployed in the Internet for decades. For the IS-IS protocol, LSR=E2=80= =99s work >> is focused on IP routing, currently based on the agreement in RFC 3563 w= ith >> ISO/JTC1/SC6. The LSR WG will interact with other standards bodies that >> have responsible for standardizing IS-IS. >> >> >> >> OSPFv2 [RFC 2328 and extensions], is an IGP that has been deployed in th= e >> Internet for decades. OSPFv3 [RFC5340 and extensions] provides OSPF for >> IPv6 and IPv4 [RFC5838] which can be delivered over IPv6 or IPv4 [RFC 79= 49]. >> >> >> >> The LSR Working Group will generally manage its specific work items by >> milestones agreed with the responsible Area Director. >> >> >> >> The following topics are expected to be an initial focus: >> >> >> >> 1) Improving OSPF support for IPv6 and extensions using OSPFv3 LSA >> Extendibility. >> >> 2) Extensions needed for Segment Routing and associated architectural >> changes >> >> 3) YANG models for IS-IS, OSPFv2, and OSPFv3 and extensions >> >> 4) Extensions for source-destination routing >> [draft-ietf-rtgwg-dst-src-routing] >> >> 5) Potentially, extensions to better support specific network topologies >> such as >> >> ones commonly used in data centers. >> >> >> >> The Link-State Routing (LSR) Working Group will coordinate with other >> working groups, such as RTGWG, SPRING, MPLS, TEAS, V6OPS, and 6MAN, to >> understand the need for extensions and to confirm that the planned work >> meets the needs. LSR can coordinate with CCAMP and BIER on their >> extensions to the LSR IGPs as useful. LSR may coordinate with other WGs= as >> needed. >> >> >> >> Regards, >> >> Alia >> > > --001a1140af66d07b0805647adc8e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
To finish this up, I also got a better wording suggestion = from Hannes for the data-center support.
The charter is on the IESG tel= echat this Thurs for internal review.=C2=A0 There will still be a couple we= eks
for the external review before it is finally approved.
<= div>
Please take a look at=C2=A0https://datatracker.ietf.org/doc/charter-= ietf-lsr/=C2=A0 (charter-ietf-lsr-00-06) for the
current prop= osed charter text.=C2=A0 That is also copied below:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

The Link-S= tate Routing (LSR) Working Group is chartered to document
current protoc= ol implementation practices and improvements, protocol usage
scenarios, = maintenance and extensions of link-state routing interior gateway
protoc= ols (IGPs) with a focus on IS-IS, OSPFv2, and OSPFv3.=C2=A0 The LSR Working=
Group is formed by merging the isis and ospf WGs and will take on all t= heir
existing adopted work at the time of chartering.

IS-IS is an= IGP specified and standardized by ISO through ISO 10589:2002 and
additi= onal RFC standards with extensions to support IP that has been deployed
= in the Internet for decades.=C2=A0 For the IS-IS protocol, LSR-WG=E2=80=99s= work is focused
on IP routing, currently based on the agreement in RFC = 3563 with ISO/JTC1/SC6.
The LSR-WG will interact with other standards bo= dies that have responsible for
standardizing IS-IS. LSR-WG will continue= to support Layer 2 routing (for
example TRILL work) as needed.

O= SPFv2 [RFC 2328 and extensions], is an IGP that has been deployed in theInternet for decades. OSPFv3 [RFC5340 and extensions] provides OSPF for IP= v6
and IPv4 [RFC5838] which can be delivered over IPv6 or IPv4 [RFC 7949= ].

The LSR Working Group will generally manage its specific work ite= ms by
milestones agreed with the responsible Area Director.

In ad= dition to ongoing maintenance, the following topics are expected to be
a= mong the work-items at the time of chartering.

1) Improving OSPF sup= port for IPv6 and extensions using OSPFv3 LSA
Extendibility.

2) E= xtensions needed for Segment Routing and associated architectural changes
3) YANG models for IS-IS, OSPFv2, and OSPFv3 and extensions

4)= Extensions for source-destination routing [draft-ietf-rtgwg-dst-src-routin= g]

5) Improving the transport/io/flooding behavior of the protocols = to better
support
=C2=A0 =C2=A0dense meshed network topologies, such = as are commonly used in data centers.

The Link-State Routing (LSR) W= orking Group will coordinate with other working
groups, such as RTGWG, S= PRING, MPLS, TEAS, PCE, V6OPS, and 6MAN, to understand
the need for exte= nsions and to confirm that the planned work meets the needs
and is compa= tible with IS-IS and/or OSPF from functional, architectural and
performa= nce point of views.=C2=A0 LSR-WG will coordinate with CCAMP and BIER on
= their extensions to the LSR IGPs as applicable to LSR protocol operation an= d
scale.=C2=A0 LSR-WG should coordinate with other WGs as needed.
<= br>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

<= div>Regards,
Alia

On Thu, Jan 25, 2018 at 10:07 PM, Alia Atlas <akatla= s@gmail.com> wrote:
Andrew,


I like that improvement= .

Thanks,
Alia

On Thu, Jan 25, 2018 at 9:06 PM, Dolganow, Andrew (Nokia - SG/Sing= apore) <andrew.dolganow@nokia.com> wrote:

One comment =E2=80=93 I would a= dd a bit of text at the end of the below-quoted sentence to ensure that =E2= =80=9Cextensions planned to meet the needs=E2=80=9D do not create stability= /performance problems to IGPs. I proposed a text in red for that:

=C2=A0

The Link-State Routing (LSR) Working Group will coor= dinate with other working groups, such as RTGWG, SPRING, MPLS, TEAS, V6OPS,= and 6MAN, to understand the need for extensions and to confirm that the pl= anned work meets the needs and is compatible with both IS-IS and OSPF from f= unctional, architectural and performance point of views

=C2=A0

Andrew=C2=A0

=C2=A0

From: Isis-wg <isis-wg-bounces@ietf= .org> on behalf of Alia Atlas <akatlas@gmail.com>
Date: Thursday, January 25, 2018 at 1:19 AM
To: "isis= -wg@ietf.org" <isis-wg@ietf.org>, OSPF List <ospf@ietf.org>
Subject: [Isis-wg] Link-State Routing WG charter

=C2=A0

Here is the proposed c= harter for the LSR working group

that will be crea= ted from the SPF and ISIS working groups.

=C2=A0<= /u>

This is scheduled= for internal review for the IESG telechat on February 8.

=C2=A0<= /u>

=C2=A0<= /u>

The Link-State Ro= uting (LSR) Working Group is chartered to document current protocol impleme= ntation practices and improvements, protocol usage scenarios, maintenance and extensions of link-state routing interior gateway protocols (IGPs) wit= h a focus on IS-IS, OSPFv2, and OSPFv3.=C2=A0 The LSR Working Group is form= ed by merging the isis and ospf WGs and will take on all their existing ado= pted work at the time of chartering.

=C2=A0<= /u>

IS-IS is an IGP s= pecified and standardized by ISO through ISO 10589:2002 and additional RFC = standards with extensions to support IP that has been deployed in the Inter= net for decades.=C2=A0 For the IS-IS protocol, LSR=E2=80=99s work is focused o= n IP routing, currently based on the agreement in RFC 3563 with ISO/JTC1/SC= 6. The LSR WG will interact with other standards bodies that have responsib= le for standardizing IS-IS.

=C2=A0<= /u>

OSPFv2 [RFC 2328 = and extensions], is an IGP that has been deployed in the Internet for decad= es. OSPFv3 [RFC5340 and extensions] provides OSPF for IPv6 and IPv4 [RFC583= 8] which can be delivered over IPv6 or IPv4 [RFC 7949].<= /p>

=C2=A0<= /u>

The LSR Working G= roup will generally manage its specific work items by milestones agreed wit= h the responsible Area Director.

=C2=A0<= /u>

The following top= ics are expected to be an initial focus:

=C2=A0<= /u>

1) Improving OSPF= support for IPv6 and extensions using OSPFv3 LSA Extendibility.<= /u>

2) Extensions nee= ded for Segment Routing and associated architectural changes<= /span>

3) YANG models fo= r IS-IS, OSPFv2, and OSPFv3 and extensions

4) Extensions for= source-destination routing [draft-ietf-rtgwg-dst-src-routing]<= u>

5) Potentially, e= xtensions to better support specific network topologies such as=C2=A0

ones commonly use= d in data centers.

=C2=A0<= /u>

The Link-State Ro= uting (LSR) Working Group will coordinate with other working groups, such a= s RTGWG, SPRING, MPLS, TEAS, V6OPS, and 6MAN, to understand the need for extensions and to confirm that the planned work meets the needs.=C2=A0 LSR= can coordinate with CCAMP and BIER on their extensions to the LSR IGPs as = useful.=C2=A0 LSR may coordinate with other WGs as needed.

=C2=A0<= /u>

Regards,

Alia



--001a1140af66d07b0805647adc8e-- From nobody Mon Feb 5 10:54:10 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7F7F81275F4 for ; Mon, 5 Feb 2018 10:54:08 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.209 X-Spam-Level: X-Spam-Status: No, score=-3.209 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.001, MISSING_HEADERS=1.021, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A8ODjZpJ03RJ for ; Mon, 5 Feb 2018 10:54:07 -0800 (PST) Received: from smtp01.icann.org (smtp01.icann.org [192.0.46.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EFC4512D942 for ; Mon, 5 Feb 2018 10:54:06 -0800 (PST) Received: from request3.lax.icann.org (request1.lax.icann.org [10.32.11.221]) by smtp01.icann.org (Postfix) with ESMTP id 3785EE059A for ; Mon, 5 Feb 2018 18:54:06 +0000 (UTC) Received: by request3.lax.icann.org (Postfix, from userid 48) id F1ED2C20477; Mon, 5 Feb 2018 18:54:05 +0000 (UTC) RT-Owner: sabrina.tanamal From: "Sabrina Tanamal via RT" Reply-To: iana-prot-param@iana.org In-Reply-To: <82DF7C5C-41AB-494C-AF49-187D584AC3BD@cisco.com> References: <82DF7C5C-41AB-494C-AF49-187D584AC3BD@cisco.com> Message-ID: X-RT-Loop-Prevention: IANA X-RT-Ticket: IANA #1048103 X-Managed-BY: RT 4.2.9 (http://www.bestpractical.com/rt/) X-RT-Originator: sabrina.tanamal@icann.org CC: ospf@ietf.org Content-Type: text/plain; charset="utf-8" X-RT-Original-Encoding: utf-8 Precedence: bulk Date: Mon, 05 Feb 2018 18:54:05 +0000 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Archived-At: Subject: [OSPF] [IANA #1048103] Early Allocations for "OSPFv3 Extensions for Segment Routing" - draft-ietf-ospf-ospfv3-segment-routing-extensions-11 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Feb 2018 18:54:08 -0000 Hi all, We've made the following early allocations, which will expire on 2019-02-05 and which can be renewed once. OSPFv3 Extended-LSA TLVs 9 OSPFv3 Extended Prefix Range TLV (TEMPORARY - registered 2018-02-05, expires 2019-02-05) [draft-ietf-ospf-ospfv3-segment-routing-extensions] OSPFv3 Extended-LSA sub-TLVs 4 Prefix SID Sub-TLV (TEMPORARY - registered 2018-02-05, expires 2019-02-05) [draft-ietf-ospf-ospfv3-segment-routing-extensions] 5 Adj-SID Sub-TLV (TEMPORARY - registered 2018-02-05, expires 2019-02-05) [draft-ietf-ospf-ospfv3-segment-routing-extensions] 6 LAN Adj-SID Sub-TLV (TEMPORARY - registered 2018-02-05, expires 2019-02-05) [draft-ietf-ospf-ospfv3-segment-routing-extensions] 7 SID/Label Sub-TLV (TEMPORARY - registered 2018-02-05, expires 2019-02-05) [draft-ietf-ospf-ospfv3-segment-routing-extensions] Please see https://www.iana.org/assignments/ospfv3-parameters Best regards, Sabrina Tanamal Senior IANA Services Specialist On Thu Feb 01 10:52:54 2018, acee@cisco.com wrote: > Hi Amanda, et al, > > The OSPF WG would like to request early allocations for the subject draft. > > These are specified in Section 8 of the draft: > > 8.1. OSPFv3 Extend-LSA TLV Registry > > Following values are allocated: > > o suggested value 9 - OSPFv3 Extended Prefix Range TLV > > 8.2. OSPFv3 Extend-LSA Sub-TLV registry > > o 4 - Prefix SID Sub-TLV > > o 5 - Adj-SID Sub-TLV > > o 6 - LAN Adj-SID Sub-TLV > > o 7 - SID/Label Sub-TLV > > Thanks, > Acee From nobody Tue Feb 6 12:13:04 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1160D127873; Tue, 6 Feb 2018 12:13:02 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.943 X-Spam-Level: X-Spam-Status: No, score=-1.943 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_SOFTFAIL=0.665, T_RP_MATCHES_RCVD=-0.01, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id a1nEXE6Zk4pt; Tue, 6 Feb 2018 12:13:00 -0800 (PST) Received: from p-mail1.rd.orange.com (p-mail1.rd.orange.com [161.106.1.2]) by ietfa.amsl.com (Postfix) with ESMTP id D51AC12773A; Tue, 6 Feb 2018 12:12:59 -0800 (PST) Received: from p-mail1.rd.orange.com (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id 6EA7A410273; Tue, 6 Feb 2018 21:12:58 +0100 (CET) Received: from FTRDCH01.rd.francetelecom.fr (unknown [10.194.32.11]) by p-mail1.rd.orange.com (Postfix) with ESMTP id 5ECEC410272; Tue, 6 Feb 2018 21:12:58 +0100 (CET) Received: from renot.local (10.192.150.9) by FTRDCH01.rd.francetelecom.fr (10.194.32.11) with Microsoft SMTP Server id 14.3.382.0; Tue, 6 Feb 2018 21:12:57 +0100 To: SPRING WG List , OSPF WG List From: Olivier Dugeon Message-ID: <7ff65339-d8f2-c640-2f68-bf9ddea7b871@orange.com> Date: Tue, 6 Feb 2018 21:12:57 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------18CE4B4DB6DC81C48B177BFD" Content-Language: en-GB Archived-At: Subject: [OSPF] Experimental support of OSPFv2 Segment Routing in Free Range Routing X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Feb 2018 20:13:02 -0000 --------------18CE4B4DB6DC81C48B177BFD Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Hi all, We are please to announce that we have added Experimental support of OSPF SR (draft-ietf-ospf-segment-routing-extensions-24) in Free Range Routing protocol suite https://frrouting.org This feature is available on the master branch: https://github.com/FRRouting/frr and will be part of the future 4.0 release. Supported Features: * Automatic computation of Primary and Backup Adjacency SID with Cisco experimental remote IP address * SRGB configuration * Prefix configuration for Node SID with optional NO-PHP flag (Linux kernel support both mode) * Node MSD configuration (with Linux Kernel >= 4.10 a maximum of 32 labels could be stack) * Automatic provisioning of MPLS table * Static route configuration with label stack up to 32 labels Interoperability: * tested on various topology including point-to-point and LAN interfaces in a mix of Free Range Routing instance and Cisco IOS-XR 6.0.x * check OSPF LSA conformity with latest wireshark release 2.5.0-rc Known limitations * Runs only within default VRF * Only single Area is supported. ABR is not yet supported * Only SPF algorithm is supported * Extended Prefix Range is not supported * MPLS table are not flush at startup. Thus, restarting zebra process is   mandatory to remove old MPLS entries in the data plane after a crash of   ospfd daemon * With NO Penultimate Hop Popping, it is not possible to express a Segment   Path with an Adjacency SID due to the impossibility for the Linux Kernel to   perform double POP instruction. For details implementation & instructions on how to use this new feature, please consult doc/OSPF-SR.rst. Regards FRR team --------------18CE4B4DB6DC81C48B177BFD Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: 8bit Hi all,

We are please to announce that we have added Experimental support of OSPF SR
(draft-ietf-ospf-segment-routing-extensions-24) in Free Range Routing
protocol suite https://frrouting.org

This feature is available on the master branch: https://github.com/FRRouting/frr
and will be part of the future 4.0 release.

Supported Features:

* Automatic computation of Primary and Backup Adjacency SID with
Cisco experimental remote IP address
* SRGB configuration
* Prefix configuration for Node SID with optional NO-PHP flag (Linux
kernel support both mode)
* Node MSD configuration (with Linux Kernel >= 4.10 a maximum of 32 labels
could be stack)
* Automatic provisioning of MPLS table
* Static route configuration with label stack up to 32 labels

Interoperability:
* tested on various topology including point-to-point and LAN interfaces
in a mix of Free Range Routing instance and Cisco IOS-XR 6.0.x
* check OSPF LSA conformity with latest wireshark release 2.5.0-rc

Known limitations

* Runs only within default VRF
* Only single Area is supported. ABR is not yet supported
* Only SPF algorithm is supported
* Extended Prefix Range is not supported
* MPLS table are not flush at startup. Thus, restarting zebra process is
  mandatory to remove old MPLS entries in the data plane after a crash of
  ospfd daemon
* With NO Penultimate Hop Popping, it is not possible to express a Segment
  Path with an Adjacency SID due to the impossibility for the Linux Kernel to
  perform double POP instruction.

For details implementation & instructions on how to use this new feature,
please consult doc/OSPF-SR.rst.

Regards

FRR team


 

--------------18CE4B4DB6DC81C48B177BFD-- From nobody Wed Feb 7 06:43:30 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 73E2512D779; Wed, 7 Feb 2018 06:43:24 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.53 X-Spam-Level: X-Spam-Status: No, score=-14.53 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nMPVyihWHwzG; Wed, 7 Feb 2018 06:43:22 -0800 (PST) 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Lindem (acee)" To: Olivier Dugeon , SPRING WG List , OSPF WG List Thread-Topic: [OSPF] Experimental support of OSPFv2 Segment Routing in Free Range Routing Thread-Index: AQHTn4bp9/slLb3lz0m6WGKUCzGbA6OZBOiA Date: Wed, 7 Feb 2018 14:43:19 +0000 Message-ID: References: <7ff65339-d8f2-c640-2f68-bf9ddea7b871@orange.com> In-Reply-To: <7ff65339-d8f2-c640-2f68-bf9ddea7b871@orange.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: multipart/alternative; boundary="_000_E21A2D9138CB47F9802E5C390B25C55Eciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Experimental support of OSPFv2 Segment Routing in Free Range Routing X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: 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50973126C2F; Wed, 7 Feb 2018 09:03:24 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.095 X-Spam-Level: X-Spam-Status: No, score=-2.095 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_BRBL_LASTEXT=1.449, RCVD_IN_DNSWL_MED=-2.3, SPF_SOFTFAIL=0.665, T_RP_MATCHES_RCVD=-0.01] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fvGjRljpLABD; Wed, 7 Feb 2018 09:03:22 -0800 (PST) Received: from r-mail1.rd.orange.com (r-mail1.rd.orange.com [217.108.152.41]) by ietfa.amsl.com (Postfix) with ESMTP id 8E5BD12D834; Wed, 7 Feb 2018 09:03:21 -0800 (PST) Received: from r-mail1.rd.orange.com (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id D5210A4423A; Wed, 7 Feb 2018 18:03:19 +0100 (CET) Received: from FTRDCH01.rd.francetelecom.fr (unknown [10.194.32.11]) by r-mail1.rd.orange.com (Postfix) with ESMTP id AD281A44239; Wed, 7 Feb 2018 18:03:19 +0100 (CET) Received: from renot.local (10.192.150.9) by FTRDCH01.rd.francetelecom.fr (10.194.32.11) with Microsoft SMTP Server id 14.3.382.0; Wed, 7 Feb 2018 18:03:19 +0100 To: "Acee Lindem (acee)" , SPRING WG List , OSPF WG List References: <7ff65339-d8f2-c640-2f68-bf9ddea7b871@orange.com> From: Olivier Dugeon Message-ID: Date: Wed, 7 Feb 2018 18:03:18 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------A132FD814E8AE2ECCBFB6852" Content-Language: en-GB Archived-At: Subject: Re: [OSPF] Experimental support of OSPFv2 Segment Routing in Free Range Routing X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Feb 2018 17:03:24 -0000 --------------A132FD814E8AE2ECCBFB6852 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Hi Acee, Unfortunately not. The next step from our side will be SR for IS-IS and PCC supporting SR. Concerning OSPFv3, I have no particular knowledge of the current implementation in FRRouting. I think it is far from OSPFv2, so, there is certainly a huge base work to be coded before adding Extended LSAs and Router Information. Regards Olivier Le 07/02/2018 à 15:43, Acee Lindem (acee) a écrit : > > Hi Olivier, > > Great news Olivier! I’m hoping you are looking at OSPFv3 Extended LSAs > and OSPFv3 SR as well. > > Thanks, > Acee > > *From: *OSPF on behalf of Olivier Dugeon > > *Date: *Tuesday, February 6, 2018 at 3:13 PM > *To: *SPRING WG List , OSPF WG List > *Subject: *[OSPF] Experimental support of OSPFv2 Segment Routing in > Free Range Routing > > Hi all, > > We are please to announce that we have added Experimental support of > OSPF SR > (draft-ietf-ospf-segment-routing-extensions-24) in Free Range Routing > protocol suite https://frrouting.org > > This feature is available on the master branch: > https://github.com/FRRouting/frr > and will be part of the future 4.0 release. > > Supported Features: > > * Automatic computation of Primary and Backup Adjacency SID with > Cisco experimental remote IP address > * SRGB configuration > * Prefix configuration for Node SID with optional NO-PHP flag (Linux > kernel support both mode) > * Node MSD configuration (with Linux Kernel >= 4.10 a maximum of 32 labels > could be stack) > * Automatic provisioning of MPLS table > * Static route configuration with label stack up to 32 labels > > Interoperability: > * tested on various topology including point-to-point and LAN interfaces > in a mix of Free Range Routing instance and Cisco IOS-XR 6.0.x > * check OSPF LSA conformity with latest wireshark release 2.5.0-rc > > Known limitations > > * Runs only within default VRF > * Only single Area is supported. ABR is not yet supported > * Only SPF algorithm is supported > * Extended Prefix Range is not supported > * MPLS table are not flush at startup. Thus, restarting zebra process is >   mandatory to remove old MPLS entries in the data plane after a crash of >   ospfd daemon > * With NO Penultimate Hop Popping, it is not possible to express a Segment >   Path with an Adjacency SID due to the impossibility for the Linux > Kernel to >   perform double POP instruction. > > For details implementation & instructions on how to use this new feature, > please consult doc/OSPF-SR.rst. > > Regards > > FRR team > -- logo Orange Olivier Dugeon Senior research engineer in QoS and network control Open Source Referent Orange/IMT/OLN/WTC/IEE/OPEN fixe : +33 2 96 07 28 80 mobile : +33 6 82 90 37 85 olivier.dugeon@orange.com --------------A132FD814E8AE2ECCBFB6852 Content-Type: multipart/related; boundary="------------67F61ADEA3E8A8303D46086D" --------------67F61ADEA3E8A8303D46086D Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: 8bit

Hi Acee,

Unfortunately not. The next step from our side will be SR for IS-IS and PCC supporting SR.

Concerning OSPFv3, I have no particular knowledge of the current implementation in FRRouting. I think it is far from OSPFv2, so, there is certainly a huge base work to be coded before adding Extended LSAs and Router Information.

Regards

Olivier


Le 07/02/2018 à 15:43, Acee Lindem (acee) a écrit :

Hi Olivier,

 

Great news Olivier! I’m hoping you are looking at OSPFv3 Extended LSAs and OSPFv3 SR as well.

 

Thanks,
Acee

 

From: OSPF <ospf-bounces@ietf.org> on behalf of Olivier Dugeon <olivier.dugeon@orange.com>
Date: Tuesday, February 6, 2018 at 3:13 PM
To: SPRING WG List <spring@ietf.org>, OSPF WG List <ospf@ietf.org>
Subject: [OSPF] Experimental support of OSPFv2 Segment Routing in Free Range Routing

 

Hi all,

We are please to announce that we have added Experimental support of OSPF SR
(draft-ietf-ospf-segment-routing-extensions-24) in Free Range Routing
protocol suite https://frrouting.org

This feature is available on the master branch: https://github.com/FRRouting/frr
and will be part of the future 4.0 release.

Supported Features:

* Automatic computation of Primary and Backup Adjacency SID with
Cisco experimental remote IP address
* SRGB configuration
* Prefix configuration for Node SID with optional NO-PHP flag (Linux
kernel support both mode)
* Node MSD configuration (with Linux Kernel >= 4.10 a maximum of 32 labels
could be stack)
* Automatic provisioning of MPLS table
* Static route configuration with label stack up to 32 labels

Interoperability:
* tested on various topology including point-to-point and LAN interfaces
in a mix of Free Range Routing instance and Cisco IOS-XR 6.0.x
* check OSPF LSA conformity with latest wireshark release 2.5.0-rc

Known limitations

* Runs only within default VRF
* Only single Area is supported. ABR is not yet supported
* Only SPF algorithm is supported
* Extended Prefix Range is not supported
* MPLS table are not flush at startup. Thus, restarting zebra process is
  mandatory to remove old MPLS entries in the data plane after a crash of
  ospfd daemon
* With NO Penultimate Hop Popping, it is not possible to express a Segment
  Path with an Adjacency SID due to the impossibility for the Linux Kernel to
  perform double POP instruction.

For details implementation & instructions on how to use this new feature,
please consult doc/OSPF-SR.rst.

Regards

FRR team

 

 


--
logo Orange

 

Olivier Dugeon
Senior research engineer in QoS and network control
Open Source Referent
Orange/IMT/OLN/WTC/IEE/OPEN

 

fixe : +33 2 96 07 28 80
mobile : +33 6 82 90 37 85
olivier.dugeon@orange.com

 

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Mon, 19 Feb 2018 06:49:59 -0800 (PST) X-Quarantine-ID: X-Virus-Scanned: amavisd-new at amsl.com X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "Cc" X-Spam-Flag: NO X-Spam-Score: -1.91 X-Spam-Level: X-Spam-Status: No, score=-1.91 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TVifpImffVPY; Mon, 19 Feb 2018 06:49:58 -0800 (PST) Received: from smtp.chopps.org (smtp.chopps.org [54.88.81.56]) by ietfa.amsl.com (Postfix) with ESMTP id 380B4120724; Mon, 19 Feb 2018 06:49:58 -0800 (PST) Received: from tops.chopps.org (47-50-69-38.static.klmz.mi.charter.com [47.50.69.38]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by smtp.chopps.org (Postfix) with ESMTPSA id 6539262A4A; Mon, 19 Feb 2018 14:49:57 +0000 (UTC) User-agent: mu4e 1.0; emacs 25.3.1 From: Christian Hopps To: lsr@ietf.org Cc: isis-wg@ietf.org, ospf@ietf.org, lsr-chairs@ietf.org Cc: chopps@chopps.org Date: Mon, 19 Feb 2018 09:49:56 -0500 Message-ID: <87lgfpniej.fsf@chopps.org> MIME-Version: 1.0 Content-Type: text/plain; format=flowed Archived-At: Subject: [OSPF] Call for agenda topics for LSR @ IETF-101 (a.k.a. IS-IS and OSPF :) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Feb 2018 14:50:00 -0000 Hi Folks, The newly forming LSR (link-state-routing) WG will be meeting on Wednesday March 21, 2018 from 9:30 to 12:00. Please send us (lsr-chairs@ietf.org) any requests for presentation slots. Currently we have 1 slot request: - https://datatracker.ietf.org/doc/draft-li-dynamic-flooding/ https://datatracker.ietf.org/doc/draft-li-dynamic-flooding-isis/ Thanks, Chris & Acee. From nobody Thu Feb 22 20:49:15 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3628F12008A; Thu, 22 Feb 2018 20:49:13 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.229 X-Spam-Level: X-Spam-Status: No, score=-4.229 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_IMAGE_RATIO_08=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4VS5hYLVQ0Cz; Thu, 22 Feb 2018 20:49:11 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2EE84120727; Thu, 22 Feb 2018 20:49:04 -0800 (PST) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id CB66058F457D8; Fri, 23 Feb 2018 04:49:00 +0000 (GMT) Received: from DGGEMI406-HUB.china.huawei.com (10.3.17.144) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 23 Feb 2018 04:49:01 +0000 Received: from DGGEMI512-MBX.china.huawei.com ([169.254.4.157]) by dggemi406-hub.china.huawei.com ([10.3.17.144]) with mapi id 14.03.0361.001; Fri, 23 Feb 2018 12:48:48 +0800 From: Mahendra Singh Negi To: "draft-ietf-spring-conflict-resolution@ietf.org" , "draft-ietf-ospf-segment-routing-extensions@ietf.org" CC: "ospf@ietf.org" Thread-Topic: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. Thread-Index: AdOrmDoKtvH811w7SQ6U3oTJ9e/oJwAxyePA Date: Fri, 23 Feb 2018 04:48:47 +0000 Message-ID: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.18.153.41] Content-Type: multipart/related; boundary="_004_B495DF531F7B5943B1816E2031125EF8A846E542DGGEMI512MBXchi_"; type="multipart/alternative" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 04:49:13 -0000 --_004_B495DF531F7B5943B1816E2031125EF8A846E542DGGEMI512MBXchi_ Content-Type: multipart/alternative; boundary="_000_B495DF531F7B5943B1816E2031125EF8A846E542DGGEMI512MBXchi_" --_000_B495DF531F7B5943B1816E2031125EF8A846E542DGGEMI512MBXchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear Authors, Amidst implementing conflict resolution for OSPF SR ( https://tools.ietf.or= g/html/draft-ietf-spring-conflict-resolution-05) we came across this issue. Topology: [cid:image001.png@01D3AC8E.01F60430] Issue: 1. Prefix conflict occurs at RT1 and RT2. 2. Both RT1 and RT2 resolve the conflict and download corresponding L= abel for SID:1 (SID:1 wins conflict resolution). 3. Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA f= or prefix 10.10.10.10 in area a1 with SID:1. Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-exte= nsions-24#section-7.2 & https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-5 (If an OSPF router advertises multiple Prefix-SIDs for the same prefix, t= opology and algorithm, all of them MUST be ignored.) 4. Now at RT1, user changes the SID configuration value to 4, and st= ill SID 1 wins the conflict resolution as in area a1 RT2 has not flushed or= updated SID:1, and SID:1 is forever in LSDB. How to fix the issue? a) think ABRs should advertise all the SIDs to leaking areas and MUST = condition mentioned highlighted in yellow above be relaxed (i.e. update int= er-area segment routing section accordingly) and let each node run conflict= -resolution. b) On SID configuration change, RT1 Flushes the SID:1 and waits for S= ID:1 flushing out from the LSDB and then originates with new SID:4.(How lon= g to wait is decided locally). I prefer (a), if you please provide your opinion on this. We are under deve= lopment, highly appreciate prompt responses. Regards, Mahendra --_000_B495DF531F7B5943B1816E2031125EF8A846E542DGGEMI512MBXchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dear Authors,

 

Amidst implementing conflict resolution for OSPF SR = ( https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05) w= e came across this issue.

 <= /p>

 <= /p>

Topology:<= /b>

 

Issue:=

 

1.     &= nbsp; Prefix conflict occurs at RT1 and RT2.

2.     &= nbsp; Both RT1 and RT2 resolve the conflict and download = corresponding Label for SID:1 (SID:1 wins conflict resolution).<= /p>

3.     &= nbsp; Both RT1 and RT2 advertise inter-area Extended Pref= ix Opaque LSA for prefix 10.10.10.10 in area a1 with SID:1. 

Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-7.2

&

https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extension= s-24#section-5      

  (If an OSPF router advertises = multiple Prefix-SIDs for the same prefix, topology and algorithm, all of them MUST be ignored.)

 

4.     &= nbsp; Now at RT1, user changes the  SID configura= tion value to 4, and still SID 1 wins the conflict resolution as in are= a a1 RT2 has not flushed or updated SID:1, and SID:1 is forever in LSDB.

 

How to fix the issue?

a)      think ABRs should advertise all the SIDs to leaking= areas and MUST condition mentioned highlighted in yellow above = be relaxed (i.e. update inter-area segment ro= uting section accordingly) and let each node run conflict-resolution.

b)       On SID configuration change, RT1 Flushes the = SID:1 and waits for SID:1 flushing out from the LSDB and then originates wi= th new SID:4.(How long to wait is decided locally).

 

I prefer (a), if you pl= ease provide your opinion on this. We are und= er development, highly appreciate prompt  responses.=

 

 

 

Regards,

Mahendra

 

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=?us-ascii?q?FOEABEAsTBQkWBAsJAwIBAgFFBgEMAQcBAYofEKsBEYM8EoUBg3iCHgEBAQEBA?= =?us-ascii?q?QEBAQEBAQEBAQEBAQEBAR2FGIN+gWaDLYMuAQECAYE2hjQFpEAJiCmNZoIfhii?= =?us-ascii?q?DcogLixyCcIoegTwmBS2BUTMaCBsVgn0JgkscGYFuQDcBjFgBAQE?= X-IronPort-AV: E=Sophos;i="5.47,382,1515456000"; d="scan'208";a="2243298" Received: from aer-iport-nat.cisco.com (HELO aer-core-2.cisco.com) ([173.38.203.22]) by aer-iport-2.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Feb 2018 08:28:38 +0000 Received: from [10.60.140.58] (ams-ppsenak-nitro9.cisco.com [10.60.140.58]) by aer-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id w1N8SbXT002635; Fri, 23 Feb 2018 08:28:37 GMT Message-ID: <5A8FD0B7.8060104@cisco.com> Date: Fri, 23 Feb 2018 09:28:39 +0100 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Mahendra Singh Negi , "draft-ietf-spring-conflict-resolution@ietf.org" , "draft-ietf-ospf-segment-routing-extensions@ietf.org" CC: "ospf@ietf.org" References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 08:28:42 -0000 Mahendra, On 23/02/18 05:48 , Mahendra Singh Negi wrote: > Dear Authors, > > Amidst implementing conflict resolution for OSPF SR ( > https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05) we > came across this issue. > > ** > > ** > > *Topology:* > > *Issue:* > > 1.Prefix conflict occurs at RT1 and RT2. > > 2.Both RT1 and RT2 resolve the conflict and download corresponding Label > for SID:1 (SID:1 wins conflict resolution). > > 3.Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA for > prefix 10.10.10.10 in area a1 with SID:1. > > Reference: > https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#section-7.2 > > > & > > https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#section-5 > > > (If an OSPF router advertises multiple Prefix-SIDs for the same > prefix, topology and algorithm, all of them MUST be ignored.) which router advertises multiple Prefix-SIDs for the same prefix in your example? > > 4.Now at RT1, user *changes the SID configuration value to 4*, and > still SID 1 wins the conflict resolution as in area a1 RT2 has not > flushed or updated SID:1, and SID:1 is forever in LSDB. I don't understand the above. Why would that happen? Peter > > *How to fix the issue?* > > a)think ABRs should advertise all the SIDs to leaking areas and MUST > condition mentioned highlighted in yellow above be relaxed(i.e. update > inter-area segment routing section accordingly) and let each node run > conflict-resolution. > > b) On SID configuration change, RT1 Flushes the SID:1 and waits for > SID:1 flushing out from the LSDB and then originates with new SID:4.(How > long to wait is decided locally). > > I prefer (a), if you please provide your opinion on this.We are under > development, highly appreciate prompt responses. > > Regards, > > Mahendra > From nobody Fri Feb 23 01:03:16 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A2472126BF0 for ; Fri, 23 Feb 2018 01:03:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.231 X-Spam-Level: X-Spam-Status: No, score=-4.231 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id w1FFdsx2V4yL for ; Fri, 23 Feb 2018 01:03:12 -0800 (PST) Received: from huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1F7C81243FE for ; Fri, 23 Feb 2018 01:03:12 -0800 (PST) Received: from lhreml705-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 22F8D71BA18F4 for ; Fri, 23 Feb 2018 09:03:08 +0000 (GMT) Received: from DGGEMI423-HUB.china.huawei.com (10.1.199.152) by lhreml705-cah.china.huawei.com (10.201.108.46) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 23 Feb 2018 09:03:09 +0000 Received: from DGGEMI512-MBX.china.huawei.com ([169.254.4.157]) by dggemi423-hub.china.huawei.com ([10.1.199.152]) with mapi id 14.03.0361.001; Fri, 23 Feb 2018 17:02:58 +0800 From: Mahendra Singh Negi To: Peter Psenak CC: "ospf@ietf.org" Thread-Topic: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. Thread-Index: AdOrmDoKtvH811w7SQ6U3oTJ9e/oJwAxyePA//+7vID//3N/QA== Date: Fri, 23 Feb 2018 09:02:57 +0000 Message-ID: References: <5A8FD0B7.8060104@cisco.com> In-Reply-To: <5A8FD0B7.8060104@cisco.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.153.41] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 09:03:15 -0000 which router advertises multiple Prefix-SIDs for the same prefix in your ex= ample? -> ABRs (RT1 and RT2) advertise resolved SID(i.e. SID:1) in area a1 for same p= refix 10.10.10.10. Now on configuration change at RT1 (i.e. SID:4), RT1 assumes SID:1 be origi= nated by RT2 and runs conflict resolution -> Regards, Mahendra -----Original Message----- From: Peter Psenak [mailto:ppsenak@cisco.com]=20 Sent: 23 February 2018 13:59 To: Mahendra Singh Negi; draft-ietf-spring-conflict-resolution@ietf.org; dr= aft-ietf-ospf-segment-routing-extensions@ietf.org Cc: ospf@ietf.org Subject: Re: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-= routing-extensions: If you please provide your inputs on the issue. Mahendra, On 23/02/18 05:48 , Mahendra Singh Negi wrote: > Dear Authors, > > Amidst implementing conflict resolution for OSPF SR ( > https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05)=20 > we came across this issue. > > ** > > ** > > *Topology:* > > *Issue:* > > 1.Prefix conflict occurs at RT1 and RT2. > > 2.Both RT1 and RT2 resolve the conflict and download corresponding=20 > Label for SID:1 (SID:1 wins conflict resolution). > > 3.Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA for=20 > prefix 10.10.10.10 in area a1 with SID:1. > > Reference: > https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions > -24#section-7.2 > > > & > > https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions > -24#section-5 > > > (If an OSPF router advertises multiple Prefix-SIDs for the same=20 > prefix, topology and algorithm, all of them MUST be ignored.) which router advertises multiple Prefix-SIDs for the same prefix in your ex= ample? > > 4.Now at RT1, user *changes the SID configuration value to 4*, and=20 > still SID 1 wins the conflict resolution as in area a1 RT2 has not=20 > flushed or updated SID:1, and SID:1 is forever in LSDB. I don't understand the above. Why would that happen? Peter > > *How to fix the issue?* > > a)think ABRs should advertise all the SIDs to leaking areas and MUST=20 > condition mentioned highlighted in yellow above be relaxed(i.e. update=20 > inter-area segment routing section accordingly) and let each node run=20 > conflict-resolution. > > b) On SID configuration change, RT1 Flushes the SID:1 and waits for > SID:1 flushing out from the LSDB and then originates with new=20 > SID:4.(How long to wait is decided locally). > > I prefer (a), if you please provide your opinion on this.We are under=20 > development, highly appreciate prompt responses. > > Regards, > > Mahendra > From nobody Fri Feb 23 09:38:03 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6C9791241F8; Fri, 23 Feb 2018 09:38:01 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.53 X-Spam-Level: X-Spam-Status: No, score=-14.53 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id czaX7FRXVrUC; Fri, 23 Feb 2018 09:37:59 -0800 (PST) Received: from rcdn-iport-7.cisco.com (rcdn-iport-7.cisco.com [173.37.86.78]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4DCEC12008A; Fri, 23 Feb 2018 09:37:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=28358; q=dns/txt; s=iport; t=1519407479; x=1520617079; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=AF/eC05ObT3pakYb84EHEgf02kOuh+UgdJKb5bFXAzU=; b=FPBIu5M1D5mNnXwF66thqaZmS85ZHDWZaWxmKG4s2dk0Qdy7B9ebLLyL l24lPAgwhBh9qafOwEgp1fW02UN4/g1oeeHe6kvqJy3x2tiaJYvzxQJu/ fr0tZ9hD8l6f4VFsTfdOHpwyPX4u63JGbdaLQ6w2hstGjRgEcoJpJcK3g A=; X-Files: image001.png : 7156 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0AxAQArUJBa/4UNJK1dGQEBAQEBAQEBA?= =?us-ascii?q?QEBAQcBAQEBAYJadWZwKAqOA417ggKBFpZRFIICBwECJYUOAoI4VBgBAgEBAQE?= =?us-ascii?q?BAQJrKIUjAQEBBAUgCAFLEAIBCBEEAQEGAQEBGwQHAgUQAQ4MFAkIAQEEAQ0EA?= =?us-ascii?q?QYCBooVEKo7EYNOiHiCHgEBAQEBAQEBAQEBAQEBAQEBAQEBAQ4KBYUYgieBV4F?= =?us-ascii?q?mgy2DLgEBAgGBNm6FRgWkQgkChyEBgQWNXoIohimLfYscgnGJcQIRGQGBOwEfO?= =?us-ascii?q?YFRcBWCfYJUHBmBbXgBjACBGQEBAQ?= X-IronPort-AV: E=Sophos;i="5.47,383,1515456000"; d="png'150?scan'150,208,217,150";a="357941178" Received: from alln-core-11.cisco.com ([173.36.13.133]) by rcdn-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Feb 2018 17:37:58 +0000 Received: from XCH-RCD-004.cisco.com (xch-rcd-004.cisco.com [173.37.102.14]) by alln-core-11.cisco.com (8.14.5/8.14.5) with ESMTP id w1NHbwi0000387 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Fri, 23 Feb 2018 17:37:58 GMT Received: from xch-aln-001.cisco.com (173.36.7.11) by XCH-RCD-004.cisco.com (173.37.102.14) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Fri, 23 Feb 2018 11:37:57 -0600 Received: from xch-aln-001.cisco.com ([173.36.7.11]) by XCH-ALN-001.cisco.com ([173.36.7.11]) with mapi id 15.00.1320.000; Fri, 23 Feb 2018 11:37:57 -0600 From: "Les Ginsberg (ginsberg)" To: Mahendra Singh Negi , "draft-ietf-spring-conflict-resolution@ietf.org" , "draft-ietf-ospf-segment-routing-extensions@ietf.org" CC: "ospf@ietf.org" Thread-Topic: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. Thread-Index: AdOrmDoKtvH811w7SQ6U3oTJ9e/oJwAxyePAABseD4A= Date: Fri, 23 Feb 2018 17:37:57 +0000 Message-ID: <85b56959d3e74ffd9ca6edbadc4d0f3c@XCH-ALN-001.cisco.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.98.188] Content-Type: multipart/related; boundary="_004_85b56959d3e74ffd9ca6edbadc4d0f3cXCHALN001ciscocom_"; type="multipart/alternative" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 17:38:01 -0000 --_004_85b56959d3e74ffd9ca6edbadc4d0f3cXCHALN001ciscocom_ Content-Type: multipart/alternative; boundary="_000_85b56959d3e74ffd9ca6edbadc4d0f3cXCHALN001ciscocom_" --_000_85b56959d3e74ffd9ca6edbadc4d0f3cXCHALN001ciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Mahendra - Similar to Peter, I don't fully understand your scenario. You claim: 10.10.10.10/SID 1 is originated by RT1 10.10.10.10/SID 3 os originated by RT3 Now you change SID config on RT1 so it advertises: 10.10.10.10/SID 4 In a short period of time RT2 should also reflect this update. So the statement "SID:1 is forever in LSDB" makes no sense to me. Certainly there is a transient period during which databases may have diffe= rent combinations of (1,3) or (4,3) or even (1,3,4) but this will not persi= st. Les From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com] Sent: Thursday, February 22, 2018 8:49 PM To: draft-ietf-spring-conflict-resolution@ietf.org; draft-ietf-ospf-segment= -routing-extensions@ietf.org Cc: ospf@ietf.org Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-= routing-extensions: If you please provide your inputs on the issue. Dear Authors, Amidst implementing conflict resolution for OSPF SR ( https://tools.ietf.or= g/html/draft-ietf-spring-conflict-resolution-05) we came across this issue. Topology: [cid:image001.png@01D3AC89.CC75DE10] Issue: 1. Prefix conflict occurs at RT1 and RT2. 2. Both RT1 and RT2 resolve the conflict and download corresponding L= abel for SID:1 (SID:1 wins conflict resolution). 3. Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA f= or prefix 10.10.10.10 in area a1 with SID:1. Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-exte= nsions-24#section-7.2 & https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-5 (If an OSPF router advertises multiple Prefix-SIDs for the same prefix, t= opology and algorithm, all of them MUST be ignored.) 4. Now at RT1, user changes the SID configuration value to 4, and st= ill SID 1 wins the conflict resolution as in area a1 RT2 has not flushed or= updated SID:1, and SID:1 is forever in LSDB. How to fix the issue? a) think ABRs should advertise all the SIDs to leaking areas and MUST= condition mentioned highlighted in yellow above be relaxed (i.e. update in= ter-area segment routing section accordingly) and let each node run conflic= t-resolution. b) On SID configuration change, RT1 Flushes the SID:1 and waits for S= ID:1 flushing out from the LSDB and then originates with new SID:4.(How lon= g to wait is decided locally). I prefer (a), if you please provide your opinion on this. We are under deve= lopment, highly appreciate prompt responses. Regards, Mahendra --_000_85b56959d3e74ffd9ca6edbadc4d0f3cXCHALN001ciscocom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mahendra –<= /o:p>

 

Similar to Peter, I do= n’t fully understand your scenario.

 

You claim:<= /span>

 

10.10.10.10/SID 1 is o= riginated by RT1

10.10.10.10/SID 3 os o= riginated by RT3

 

Now you change SID con= fig on RT1 so it advertises:

10.10.10.10/SID 4=

 

In a short period of t= ime RT2 should also reflect this update.

 

So the statement ̶= 0;SID:1 is forever in LSDB” makes no sense to me.

 

Certainly there is a t= ransient period during which databases may have different combinations of (= 1,3) or (4,3) or even (1,3,4) but this will not persist.<= /p>

 

   Les<= /o:p>

 

 

From: Mahendra Singh Negi [mailto:mahendrasin= gh@huawei.com]
Sent: Thursday, February 22, 2018 8:49 PM
To: draft-ietf-spring-conflict-resolution@ietf.org; draft-ietf-ospf-= segment-routing-extensions@ietf.org
Cc: ospf@ietf.org
Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-s= egment-routing-extensions: If you please provide your inputs on the issue.<= o:p>

 

Dear Authors,

 

Amidst implementing conflict resolution for OSPF SR = ( https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05) w= e came across this issue.

 <= /p>

 <= /p>

Topology:<= /b>

 

Issue:=

 

1.     &= nbsp; Prefix conflict occurs at RT1 and RT2.

2.     &= nbsp; Both RT1 and RT2 resolve the conflict and download = corresponding Label for SID:1 (SID:1 wins conflict resolution).<= /p>

3.     &= nbsp; Both RT1 and RT2 advertise inter-area Extended Pref= ix Opaque LSA for prefix 10.10.10.10 in area a1 with SID:1. 

Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-7.2

&

https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extension= s-24#section-5      

  (If an OSPF router advertises multiple Pre= fix-SIDs for the same prefix, topology and algorithm, all of them MUST be ignored.)

 

4.     &= nbsp; Now at RT1, user changes the  SID configura= tion value to 4, and still SID 1 wins the conflict resolution as in are= a a1 RT2 has not flushed or updated SID:1, and SID:1 is forever in LSDB.

 

How to fix the issue?

a)     &= nbsp; think ABRs should advertise all the SIDs to leaking= areas and MUST condition mentioned highlighted in yellow above = be relaxed (i.e. update inter-area segment ro= uting section accordingly) and let each node run conflict-resolution.

b)       On SID configuration change, RT1 Flushes the = SID:1 and waits for SID:1 flushing out from the LSDB and then originates wi= th new SID:4.(How long to wait is decided locally).

 

I prefer (a), if you ple= ase provide your opinion on this. We are unde= r development, highly appreciate prompt  responses.<= /p>

 

 

 

Regards,

Mahendra

 

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draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. Thread-Index: AQHTrOm5++7PL6+8P0OLzsNjj5IrNw== Date: Fri, 23 Feb 2018 21:03:15 +0000 Message-ID: References: , <85b56959d3e74ffd9ca6edbadc4d0f3c@XCH-ALN-001.cisco.com> In-Reply-To: <85b56959d3e74ffd9ca6edbadc4d0f3c@XCH-ALN-001.cisco.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Content-Type: multipart/related; boundary="_004_etPan5a908191200954b51b77localhost_"; type="multipart/alternative" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 21:03:34 -0000 --_004_etPan5a908191200954b51b77localhost_ Content-Type: multipart/alternative; boundary="_000_etPan5a908191200954b51b77localhost_" --_000_etPan5a908191200954b51b77localhost_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear Les, Abrs RT1 and RT2 advertise SID 1 in area a1 10.10.10.10 SID:1 inter-area. Now in RT1 change the configuration to SID:4. RT1 assumes that SID:1 being originated by RT2 as SID:1 (inter-area is not = yet deleted), hence Prefix conflict resolution is triggerred and SID:1 wins= . RT1 advertise 10.10.10.10 SID:1 in area a1 and 10.10.10.10 SID:4 in area a0= . In general I understand it like this : each node resolves the conflict, dow= nloads wining SID for forwarding but advertises locally configured SID. I t= hink advertisement should not depend on conflict-resolution, If you please = clarify on this basic point. Agreed, issue will not persist, its a transient one. Regards, Mahendra From:Les Ginsberg (ginsberg) To:Mahendra Singh Negi,draft-ietf-spring-conflict-resolution@ietf.org,draft= -ietf-ospf-segment-routing-extensions@ietf.org Cc:ospf@ietf.org Date:2018-02-23 23:08:17 Subject:RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-r= outing-extensions: If you please provide your inputs on the issue. Mahendra =96 Similar to Peter, I don=92t fully understand your scenario. You claim: 10.10.10.10/SID 1 is originated by RT1 10.10.10.10/SID 3 os originated by RT3 Now you change SID config on RT1 so it advertises: 10.10.10.10/SID 4 In a short period of time RT2 should also reflect this update. So the statement =93SID:1 is forever in LSDB=94 makes no sense to me. Certainly there is a transient period during which databases may have diffe= rent combinations of (1,3) or (4,3) or even (1,3,4) but this will not persi= st. Les From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com] Sent: Thursday, February 22, 2018 8:49 PM To: draft-ietf-spring-conflict-resolution@ietf.org; draft-ietf-ospf-segment= -routing-extensions@ietf.org Cc: ospf@ietf.org Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-= routing-extensions: If you please provide your inputs on the issue. Dear Authors, Amidst implementing conflict resolution for OSPF SR ( https://tools.ietf.or= g/html/draft-ietf-spring-conflict-resolution-05) we came across this issue. Topology: [cid:image001.png@01D3AC89.CC75DE10] Issue: 1. Prefix conflict occurs at RT1 and RT2. 2. Both RT1 and RT2 resolve the conflict and download corresponding L= abel for SID:1 (SID:1 wins conflict resolution). 3. Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA f= or prefix 10.10.10.10 in area a1 with SID:1. Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-exte= nsions-24#section-7.2 & https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-5 (If an OSPF router advertises multiple Prefix-SIDs for the same prefix, t= opology and algorithm, all of them MUST be ignored.) 4. Now at RT1, user changes the SID configuration value to 4, and st= ill SID 1 wins the conflict resolution as in area a1 RT2 has not flushed or= updated SID:1, and SID:1 is forever in LSDB. How to fix the issue? a) think ABRs should advertise all the SIDs to leaking areas and MUST= condition mentioned highlighted in yellow above be relaxed (i.e. update in= ter-area segment routing section accordingly) and let each node run conflic= t-resolution. b) On SID configuration change, RT1 Flushes the SID:1 and waits for S= ID:1 flushing out from the LSDB and then originates with new SID:4.(How lon= g to wait is decided locally). I prefer (a), if you please provide your opinion on this. We are under deve= lopment, highly appreciate prompt responses. Regards, Mahendra --_000_etPan5a908191200954b51b77localhost_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Dear Les,

Abrs RT1 and RT2 advertise SID 1 in area a1 10.10.10.10 SID:1 inter-area.
Now in RT1 change the configuration to SID:4.

RT1 assumes that SID:1 being originated by RT2 as SID:1 (inter-area is not = yet deleted), hence Prefix conflict resolution is triggerred and SID:1 wins= .

RT1 advertise 10.10.10.10 SID:1 in area a1 and 10.10.10.10 SID:4 in area a0= .
In general I understand it like this : each node resolves the conflict, dow= nloads wining SID for forwarding but advertises locally configured SID. I t= hink advertisement should not depend on conflict-resolution, If you please = clarify on this basic point.
Agreed, issue will not persist, its a transient one.

Regards,
Mahendra
From:Les Ginsberg (ginsberg)
To:Mahendra Singh Negi,draft-ietf-spring-conflict-resolution@ie= tf.org,draft-ietf-ospf-segment-routing-extensions@ietf.org
Cc:ospf@ietf.org
Date:2018-02-23 23:08:17
Subject:RE: draft-ietf-spring-conflict-resolution/draft-ietf-os= pf-segment-routing-extensions: If you please provide your inputs on the iss= ue.

Mahendra =96

 

Similar to Peter, I do= n=92t fully understand your scenario.

 

You claim:

 

10.10.10.10/SID 1 is o= riginated by RT1

10.10.10.10/SID 3 os o= riginated by RT3

 

Now you change SID con= fig on RT1 so it advertises:

10.10.10.10/SID 4

 

In a short period of t= ime RT2 should also reflect this update.

 

So the statement =93SI= D:1 is forever in LSDB=94 makes no sense to me.

 

Certainly there is a t= ransient period during which databases may have different combinations of (= 1,3) or (4,3) or even (1,3,4) but this will not persist.

 

   Les

 

 

From: Mahendra Singh Negi [mailto:mahendrasin= gh@huawei.com]
Sent: Thursday, February 22, 2018 8:49 PM
To: draft-ietf-spring-conflict-resolution@ietf.org; draft-ietf-ospf-= segment-routing-extensions@ietf.org
Cc: ospf@ietf.org
Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-s= egment-routing-extensions: If you please provide your inputs on the issue.<= /p>

 

Dear Authors,

 

Amidst implementing conflict resolution for OSPF SR = ( https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05) w= e came across this issue.

 

 

Topology:

 

Issue:

 

1.   = ;    Prefix conflict occurs at RT1 and RT2.

2.   = ;    Both RT1 and RT2 resolve the conflict and download correspond= ing Label for SID:1 (SID:1 wins conflict resolution).

3.   = ;    Both RT1 and RT2 advertise inter-area Extended Prefix Opaque = LSA for prefix 10.10.10.10 in area a1 with SID:1. 

Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-7.2

&

https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extension= s-24#section-5      

  (If an OSPF router advertises multiple Prefix-SIDs for the sa= me prefix, topology and algorithm, all of them MUST be ignored.)

 

4.   = ;    Now at RT1, user changes the  SID configuration value= to 4, and still SID 1 wins the conflict resolution as in area a1 RT2 h= as not flushed or updated SID:1, and SID:1 is forever in LSDB.

 

How to fix the issue?

a)   = ;    think ABRs should advertise all the SIDs to leaking areas and= MUST condition mentioned highlighted in yellow above be relaxed (i.e. update inter-area segment routing section accordi= ngly) and let each node run conflict-resolution.

b)   = ;    On SID configuration change, RT1 Flushes the SID:1 and = waits for SID:1 flushing out from the LSDB and then originates with new SID= :4.(How long to wait is decided locally).

 

I prefer (a), if you ple= ase provide your opinion on this. We are unde= r development, highly appreciate prompt  responses.

 

 

 

Regards,

Mahendra

 

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IAABCEAAAnYE/g+o8GJ6WWHbmQAAAABJRU5ErkJggg== --_004_etPan5a908191200954b51b77localhost_-- From nobody Fri Feb 23 13:08:13 2018 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1F2B2124C27; Fri, 23 Feb 2018 13:08:11 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.53 X-Spam-Level: X-Spam-Status: No, score=-14.53 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 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XCH-ALN-001.cisco.com ([173.36.7.11]) with mapi id 15.00.1320.000; Fri, 23 Feb 2018 15:08:06 -0600 From: "Les Ginsberg (ginsberg)" To: Mahendra Singh Negi CC: draft-ietf-spring-conflict-resolution , draft-ietf-ospf-segment-routing-extensions , ospf Thread-Topic: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. Thread-Index: AdOrmDoKtvH811w7SQ6U3oTJ9e/oJwAxyePAABseD4AAFApegAAMeWVQ Date: Fri, 23 Feb 2018 21:08:06 +0000 Message-ID: <4e1901ac8f9f47878963f700be4d0a5d@XCH-ALN-001.cisco.com> References: , <85b56959d3e74ffd9ca6edbadc4d0f3c@XCH-ALN-001.cisco.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.98.188] Content-Type: multipart/related; boundary="_004_4e1901ac8f9f47878963f700be4d0a5dXCHALN001ciscocom_"; type="multipart/alternative" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 21:08:11 -0000 --_004_4e1901ac8f9f47878963f700be4d0a5dXCHALN001ciscocom_ Content-Type: multipart/alternative; boundary="_000_4e1901ac8f9f47878963f700be4d0a5dXCHALN001ciscocom_" --_000_4e1901ac8f9f47878963f700be4d0a5dXCHALN001ciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Mahendra - What is advertised depends on what is configured (right or wrong). We do no= t "overwrite" config based on detected conflicts - the misconfiguration has= to be addressed by the network operator. Les From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com] Sent: Friday, February 23, 2018 1:03 PM To: Les Ginsberg (ginsberg) Cc: draft-ietf-spring-conflict-resolution ; draft-ietf-ospf-segment-routing-extensions ; ospf Subject: Re: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segm= ent-routing-extensions: If you please provide your inputs on the issue. Dear Les, Abrs RT1 and RT2 advertise SID 1 in area a1 10.10.10.10 SID:1 inter-area. Now in RT1 change the configuration to SID:4. RT1 assumes that SID:1 being originated by RT2 as SID:1 (inter-area is not = yet deleted), hence Prefix conflict resolution is triggerred and SID:1 wins= . RT1 advertise 10.10.10.10 SID:1 in area a1 and 10.10.10.10 SID:4 in area a0= . In general I understand it like this : each node resolves the conflict, dow= nloads wining SID for forwarding but advertises locally configured SID. I t= hink advertisement should not depend on conflict-resolution, If you please = clarify on this basic point. Agreed, issue will not persist, its a transient one. Regards, Mahendra From:Les Ginsberg (ginsberg) To:Mahendra Singh Negi,draft-ietf-spring-conflict-resolution@ietf.org,draft= -ietf-ospf-segment-routing-extensions@ietf.org Cc:ospf@ietf.org Date:2018-02-23 23:08:17 Subject:RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-r= outing-extensions: If you please provide your inputs on the issue. Mahendra - Similar to Peter, I don't fully understand your scenario. You claim: 10.10.10.10/SID 1 is originated by RT1 10.10.10.10/SID 3 os originated by RT3 Now you change SID config on RT1 so it advertises: 10.10.10.10/SID 4 In a short period of time RT2 should also reflect this update. So the statement "SID:1 is forever in LSDB" makes no sense to me. Certainly there is a transient period during which databases may have diffe= rent combinations of (1,3) or (4,3) or even (1,3,4) but this will not persi= st. Les From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com] Sent: Thursday, February 22, 2018 8:49 PM To: draft-ietf-spring-conflict-resolution@ietf.org; draft-ietf-ospf-segment-routing-extensions@= ietf.org Cc: ospf@ietf.org Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-= routing-extensions: If you please provide your inputs on the issue. Dear Authors, Amidst implementing conflict resolution for OSPF SR ( https://tools.ietf.or= g/html/draft-ietf-spring-conflict-resolution-05) we came across this issue. Topology: [cid:image001.png@01D3ACA7.574A2830] Issue: 1. Prefix conflict occurs at RT1 and RT2. 2. Both RT1 and RT2 resolve the conflict and download corresponding L= abel for SID:1 (SID:1 wins conflict resolution). 3. Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA f= or prefix 10.10.10.10 in area a1 with SID:1. Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-exte= nsions-24#section-7.2 & https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-5 (If an OSPF router advertises multiple Prefix-SIDs for the same prefix, t= opology and algorithm, all of them MUST be ignored.) 4. Now at RT1, user changes the SID configuration value to 4, and st= ill SID 1 wins the conflict resolution as in area a1 RT2 has not flushed or= updated SID:1, and SID:1 is forever in LSDB. How to fix the issue? a) think ABRs should advertise all the SIDs to leaking areas and MUST= condition mentioned highlighted in yellow above be relaxed (i.e. update in= ter-area segment routing section accordingly) and let each node run conflic= t-resolution. b) On SID configuration change, RT1 Flushes the SID:1 and waits for S= ID:1 flushing out from the LSDB and then originates with new SID:4.(How lon= g to wait is decided locally). I prefer (a), if you please provide your opinion on this. We are under deve= lopment, highly appreciate prompt responses. Regards, Mahendra --_000_4e1901ac8f9f47878963f700be4d0a5dXCHALN001ciscocom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mahendra –<= /o:p>

 

What is advertised dep= ends on what is configured (right or wrong). We do not “overwriteR= 21; config based on detected conflicts – the misconfiguration has to = be addressed by the network operator.

 

   Les<= /o:p>

 

 

From: Mahendra Singh Negi [mailto:mahendrasin= gh@huawei.com]
Sent: Friday, February 23, 2018 1:03 PM
To: Les Ginsberg (ginsberg) <ginsberg@cisco.com>
Cc: draft-ietf-spring-conflict-resolution <draft-ietf-spring-conf= lict-resolution@ietf.org>; draft-ietf-ospf-segment-routing-extensions &l= t;draft-ietf-ospf-segment-routing-extensions@ietf.org>; ospf <ospf@ie= tf.org>
Subject: Re: RE: draft-ietf-spring-conflict-resolution/draft-ietf-os= pf-segment-routing-extensions: If you please provide your inputs on the iss= ue.

 

Dear Les,

Abrs RT1 and RT2 advertise SID 1 in area a1 10.10.10.10 SID:1 inter-area.
Now in RT1 change the configuration to SID:4.

RT1 assumes that SID:1 being originated by RT2 as SID:1 (inter-area is not = yet deleted), hence Prefix conflict resolution is triggerred and SID:1 wins= .

RT1 advertise 10.10.10.10 SID:1 in area a1 and 10.10.10.10 SID:4 in area a0= .
In general I understand it like this : each node resolves the conflict, dow= nloads wining SID for forwarding but advertises locally configured SID. I t= hink advertisement should not depend on conflict-resolution, If you please = clarify on this basic point.
Agreed, issue will not persist, its a transient one.

Regards,
Mahendra

From:= Les Ginsberg (ginsberg)

To:Cc:Date:= 2018-02-23 23:08:17

Subject:<= /b>RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-ro= uting-extensions: If you please provide your inputs on the issue.

 

Mahendra –

 

Similar to Peter, I do= n’t fully understand your scenario.

 

You claim:=

 

10.10.10.10/SID 1 is o= riginated by RT1

10.10.10.10/SID 3 os o= riginated by RT3

 

Now you change SID con= fig on RT1 so it advertises:

10.10.10.10/SID 4

 

In a short period of t= ime RT2 should also reflect this update.

 

So the statement ̶= 0;SID:1 is forever in LSDB” makes no sense to me.

 

Certainly there is a t= ransient period during which databases may have different combinations of (= 1,3) or (4,3) or even (1,3,4) but this will not persist.<= /p>

 

   Les

 

 

From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com]
Sent: Thursday, February 22, 2018 8:49 PM
To: draft-ietf-spring-conflict-resolution@ietf.org; draf= t-ietf-ospf-segment-routing-extensions@ietf.org
Cc: ospf@ietf.org
Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-s= egment-routing-extensions: If you please provide your inputs on the issue.<= o:p>

 

Dear Authors,

 

Amidst implementing conflict resolution for OSPF SR = ( https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05) w= e came across this issue.

 <= /p>

 <= /p>

Topology:

 

Issue:=

 

1.  = ;     Prefix conflict occurs at RT1 and RT2.

2.  = ;     Both RT1 and RT2 resolve the conflict and download corresponding Lab= el for SID:1 (SID:1 wins conflict resolution).

3.  = ;     Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA for= prefix 10.10.10.10 in area a1 with SID:1. 

Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-7.2

&

https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extension= s-24#section-5      

  (If an OSPF router advertises multiple Prefix-SIDs for the same= prefix, topology and algorithm, all of them MUST be ignored.)

 

4.  = ;     Now at RT1, user changes the  SID configuration value to 4, and still SID 1 wins the conflict resolution as in area a1 RT2 has not = flushed or updated SID:1, and SID:1 is forever in LSDB.

 

How to fix the issue?=

a)  = ;     think ABRs should advertise all the SIDs to leaking areas and MUST c= ondition mentioned highlighted in yellow above be relaxed (i.e. update inter-area segment routing section accordi= ngly) and let each node run conflict-resolution.

b)  = ;     On SID configuration change, RT1 Flushes the SID:1 and waits f= or SID:1 flushing out from the LSDB and then originates with new SID:4.(How= long to wait is decided locally).

 

I prefer (a), if you ple= ase provide your opinion on this. We are unde= r development, highly appreciate prompt  responses.<= /p>

 

 

 

Regards,

Mahendra

 

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(lhrrgout.huawei.com [194.213.3.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 56D221241F5; Fri, 23 Feb 2018 13:22:36 -0800 (PST) Received: from lhreml708-cah.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 140E76BD3BD82; Fri, 23 Feb 2018 21:22:33 +0000 (GMT) Received: from DGGEMI401-HUB.china.huawei.com (10.3.17.134) by lhreml708-cah.china.huawei.com (10.201.108.49) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 23 Feb 2018 21:22:34 +0000 Received: from DGGEMI512-MBX.china.huawei.com ([169.254.4.157]) by dggemi401-hub.china.huawei.com ([10.3.17.134]) with mapi id 14.03.0361.001; Sat, 24 Feb 2018 05:22:24 +0800 From: Mahendra Singh Negi To: "Les Ginsberg (ginsberg)" CC: draft-ietf-spring-conflict-resolution , draft-ietf-ospf-segment-routing-extensions , ospf Thread-Topic: RE: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. Thread-Index: AQHTrOxln5PBTZ1jX0WKGOdRzSVizg== Date: Fri, 23 Feb 2018 21:22:23 +0000 Message-ID: References: , <85b56959d3e74ffd9ca6edbadc4d0f3c@XCH-ALN-001.cisco.com> , <4e1901ac8f9f47878963f700be4d0a5d@XCH-ALN-001.cisco.com> In-Reply-To: <4e1901ac8f9f47878963f700be4d0a5d@XCH-ALN-001.cisco.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Content-Type: multipart/related; boundary="_004_etPan5a90860d16e62c991b77localhost_"; type="multipart/alternative" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [OSPF] draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-routing-extensions: If you please provide your inputs on the issue. X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 21:22:39 -0000 --_004_etPan5a90860d16e62c991b77localhost_ Content-Type: multipart/alternative; boundary="_000_etPan5a90860d16e62c991b77localhost_" --_000_etPan5a90860d16e62c991b77localhost_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Thanks for the clarification. Regards, Mahendra From:Les Ginsberg (ginsberg) To:Mahendra Singh Negi Cc:draft-ietf-spring-conflict-resolution,draft-ietf-ospf-segment-routing-ex= tensions,ospf Date:2018-02-24 02:38:19 Subject:RE: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segme= nt-routing-extensions: If you please provide your inputs on the issue. Mahendra =96 What is advertised depends on what is configured (right or wrong). We do no= t =93overwrite=94 config based on detected conflicts =96 the misconfigurati= on has to be addressed by the network operator. Les From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com] Sent: Friday, February 23, 2018 1:03 PM To: Les Ginsberg (ginsberg) Cc: draft-ietf-spring-conflict-resolution ; draft-ietf-ospf-segment-routing-extensions ; ospf Subject: Re: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segm= ent-routing-extensions: If you please provide your inputs on the issue. Dear Les, Abrs RT1 and RT2 advertise SID 1 in area a1 10.10.10.10 SID:1 inter-area. Now in RT1 change the configuration to SID:4. RT1 assumes that SID:1 being originated by RT2 as SID:1 (inter-area is not = yet deleted), hence Prefix conflict resolution is triggerred and SID:1 wins= . RT1 advertise 10.10.10.10 SID:1 in area a1 and 10.10.10.10 SID:4 in area a0= . In general I understand it like this : each node resolves the conflict, dow= nloads wining SID for forwarding but advertises locally configured SID. I t= hink advertisement should not depend on conflict-resolution, If you please = clarify on this basic point. Agreed, issue will not persist, its a transient one. Regards, Mahendra From:Les Ginsberg (ginsberg) To:Mahendra Singh Negi,draft-ietf-spring-conflict-resolution@ietf.org,draft= -ietf-ospf-segment-routing-extensions@ietf.org Cc:ospf@ietf.org Date:2018-02-23 23:08:17 Subject:RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-r= outing-extensions: If you please provide your inputs on the issue. Mahendra =96 Similar to Peter, I don=92t fully understand your scenario. You claim: 10.10.10.10/SID 1 is originated by RT1 10.10.10.10/SID 3 os originated by RT3 Now you change SID config on RT1 so it advertises: 10.10.10.10/SID 4 In a short period of time RT2 should also reflect this update. So the statement =93SID:1 is forever in LSDB=94 makes no sense to me. Certainly there is a transient period during which databases may have diffe= rent combinations of (1,3) or (4,3) or even (1,3,4) but this will not persi= st. Les From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com] Sent: Thursday, February 22, 2018 8:49 PM To: draft-ietf-spring-conflict-resolution@ietf.org; draft-ietf-ospf-segment-routing-extensions@= ietf.org Cc: ospf@ietf.org Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-= routing-extensions: If you please provide your inputs on the issue. Dear Authors, Amidst implementing conflict resolution for OSPF SR ( https://tools.ietf.or= g/html/draft-ietf-spring-conflict-resolution-05) we came across this issue. Topology: [cid:image001.png@01D3ACA7.574A2830] Issue: 1. Prefix conflict occurs at RT1 and RT2. 2. Both RT1 and RT2 resolve the conflict and download corresponding L= abel for SID:1 (SID:1 wins conflict resolution). 3. Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA f= or prefix 10.10.10.10 in area a1 with SID:1. Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-exte= nsions-24#section-7.2 & https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-5 (If an OSPF router advertises multiple Prefix-SIDs for the same prefix, t= opology and algorithm, all of them MUST be ignored.) 4. Now at RT1, user changes the SID configuration value to 4, and st= ill SID 1 wins the conflict resolution as in area a1 RT2 has not flushed or= updated SID:1, and SID:1 is forever in LSDB. How to fix the issue? a) think ABRs should advertise all the SIDs to leaking areas and MUST= condition mentioned highlighted in yellow above be relaxed (i.e. update in= ter-area segment routing section accordingly) and let each node run conflic= t-resolution. b) On SID configuration change, RT1 Flushes the SID:1 and waits for S= ID:1 flushing out from the LSDB and then originates with new SID:4.(How lon= g to wait is decided locally). I prefer (a), if you please provide your opinion on this. We are under deve= lopment, highly appreciate prompt responses. Regards, Mahendra --_000_etPan5a90860d16e62c991b77localhost_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Thanks for the clarification.

Regards,
Mahendra
From:Les Ginsberg (ginsberg)
To:Mahendra Singh Negi
Cc:draft-ietf-spring-conflict-resolution,draft-ietf-ospf-segmen= t-routing-extensions,ospf
Date:2018-02-24 02:38:19
Subject:RE: RE: draft-ietf-spring-conflict-resolution/draft-iet= f-ospf-segment-routing-extensions: If you please provide your inputs on the= issue.

Mahendra =96

 

What is advertised dep= ends on what is configured (right or wrong). We do not =93overwrite=94 conf= ig based on detected conflicts =96 the misconfiguration has to be addressed= by the network operator.

 

   Les

 

 

From: Mahendra Singh Negi [mailto:mahendrasin= gh@huawei.com]
Sent: Friday, February 23, 2018 1:03 PM
To: Les Ginsberg (ginsberg) <ginsberg@cisco.com>
Cc: draft-ietf-spring-conflict-resolution <draft-ietf-spring-conf= lict-resolution@ietf.org>; draft-ietf-ospf-segment-routing-extensions &l= t;draft-ietf-ospf-segment-routing-extensions@ietf.org>; ospf <ospf@ie= tf.org>
Subject: Re: RE: draft-ietf-spring-conflict-resolution/draft-ietf-os= pf-segment-routing-extensions: If you please provide your inputs on the iss= ue.

 

Dear Les,

Abrs RT1 and RT2 advertise SID 1 in area a1 10.10.10.10 SID:1 inter-area.
Now in RT1 change the configuration to SID:4.

RT1 assumes that SID:1 being originated by RT2 as SID:1 (inter-area is not = yet deleted), hence Prefix conflict resolution is triggerred and SID:1 wins= .

RT1 advertise 10.10.10.10 SID:1 in area a1 and 10.10.10.10 SID:4 in area a0= .
In general I understand it like this : each node resolves the conflict, dow= nloads wining SID for forwarding but advertises locally configured SID. I t= hink advertisement should not depend on conflict-resolution, If you please = clarify on this basic point.
Agreed, issue will not persist, its a transient one.

Regards,
Mahendra

From:Les Ginsberg (ginsberg)

To:<= span style=3D"font-size:10.5pt; font-family:"Times New Roman",ser= if">Mahendra Singh Negi,draft-ietf-spring-conflict-resolution@ietf.org,draf= t-ietf-ospf-segment-routing-extensions@ietf.org

Cc:<= span style=3D"font-size:10.5pt; font-family:"Times New Roman",ser= if">ospf@ietf.org

Date:2018-02-23 23:08:17

Subject:= RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-segment-= routing-extensions: If you please provide your inputs on the issue.

 

Mahendra =96

 

Similar to Peter, I do= n=92t fully understand your scenario.

 

You claim:

 

10.10.10.10/SID 1 is o= riginated by RT1

10.10.10.10/SID 3 os o= riginated by RT3

 

Now you change SID con= fig on RT1 so it advertises:

10.10.10.10/SID 4

 

In a short period of t= ime RT2 should also reflect this update.

 

So the statement =93SI= D:1 is forever in LSDB=94 makes no sense to me.

 

Certainly there is a t= ransient period during which databases may have different combinations of (= 1,3) or (4,3) or even (1,3,4) but this will not persist.

 

   Les

 

 

From: Mahendra Singh Negi [mailto:mahendrasingh@huawei.com]
Sent: Thursday, February 22, 2018 8:49 PM
To: draft-ietf-spring-conflict-resolution@ietf.org; draf= t-ietf-ospf-segment-routing-extensions@ietf.org
Cc: ospf@ietf.org
Subject: RE: draft-ietf-spring-conflict-resolution/draft-ietf-ospf-s= egment-routing-extensions: If you please provide your inputs on the issue.<= /p>

 

Dear Authors,

 

Amidst implementing conflict resolution for OSPF SR = ( https://tools.ietf.org/html/draft-ietf-spring-conflict-resolution-05) w= e came across this issue.

 

 

Topology:

 

Issue:

 

1. &nbs= p;     Prefix conflict occurs at RT1 and RT2.

2. &nbs= p;     Both RT1 and RT2 resolve the conflict and download corresponding Lab= el for SID:1 (SID:1 wins conflict resolution).

3. &nbs= p;     Both RT1 and RT2 advertise inter-area Extended Prefix Opaque LSA for= prefix 10.10.10.10 in area a1 with SID:1. 

Reference: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#s= ection-7.2

&

https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extension= s-24#section-5      

  (If an OSPF router advertises multiple Prefix-SIDs for the sa= me prefix, topology and algorithm, all of them MUST be ignored.)

 

4. &nbs= p;     Now at RT1, user changes the  SID configuration value to 4, and still SID 1 wins the conflict resolution as in area a1 RT2 has not = flushed or updated SID:1, and SID:1 is forever in LSDB.

 

How to fix the issue?

a) &nbs= p;     think ABRs should advertise all the SIDs to leaking areas and MUST c= ondition mentioned highlighted in yellow above be relaxed (i.e. update inter-area segment routing section accordi= ngly) and let each node run conflict-resolution.

b) &nbs= p;     On SID configuration change, RT1 Flushes the SID:1 and waits f= or SID:1 flushing out from the LSDB and then originates with new SID:4.(How= long to wait is decided locally).

 

I prefer (a), if you ple= ase provide your opinion on this. We are unde= r development, highly appreciate prompt  responses.

 

 

 

Regards,

Mahendra

 

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IAABCEAAAnYE/g+o8GJ6WWHbmQAAAABJRU5ErkJggg== --_004_etPan5a90860d16e62c991b77localhost_-- From nobody Mon Feb 26 12:04:57 2018 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6D73E126CC7; Mon, 26 Feb 2018 12:04:51 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.73.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <151967549140.21820.854496499097174645@ietfa.amsl.com> Date: Mon, 26 Feb 2018 12:04:51 -0800 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-segment-routing-msd-09.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Feb 2018 20:04:51 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : Signaling MSD (Maximum SID Depth) using OSPF Authors : Jeff Tantsura Uma Chunduri Sam Aldrin Peter Psenak Filename : draft-ietf-ospf-segment-routing-msd-09.txt Pages : 9 Date : 2018-02-26 Abstract: This document defines a way for an OSPF Router to advertise multiple types of supported Maximum SID Depths (MSDs) at node and/or link granularity. Such advertisements allow entities (e.g., centralized controllers) to determine whether a particular SID stack is supportable in a given network. This document only defines one type of MSD (maximum label imposition) - but defines an encoding which can support other MSD types. Here the term OSPF means both OSPFv2 and OSPFv3. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-segment-routing-msd/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-msd-09 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-segment-routing-msd-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-segment-routing-msd-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/