From nobody Tue Feb 6 04:54:41 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D17812DFDB; Tue, 6 Feb 2018 04:54:39 -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, 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 HLIrjJr_HmjN; Tue, 6 Feb 2018 04:54:37 -0800 (PST) Received: from mail-pl0-x241.google.com (mail-pl0-x241.google.com [IPv6:2607:f8b0:400e:c01::241]) (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 3973C12DB6E; Tue, 6 Feb 2018 04:54:37 -0800 (PST) Received: by mail-pl0-x241.google.com with SMTP id q17so1187934pll.1; Tue, 06 Feb 2018 04:54:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=JWs185Kk98Xgf2lg8HhUR2+2IE3Pt/jd4SkHpVRNSvw=; b=T6UkFr4Kkber7gJc7w9qhUgOVuh3Y91MIZLmPG/gkVLjI1f8PrgPw9d0iMi5v7gfsF WlZTL9fOW50J36+tAyDMV/KQmUmNB36Kyq+l3FZy2SFzTubRnkvicygSIINEKVzX+vnr rF/J3i/0qoxonm+w+P8degCIBUiphgC6jyhyrClM02BenrtUPukWzOSwAFt9CiTkMkjU aivkszpG/q/bc6f1rFMqFHyrbo4puZNSds+c+lYxIZ+ngE24b7yJ0gtlMuMlX4ybN2s1 uA4nuUXEH9LZUP7omWg3e74bUk88APLKpuda0gP/isOE1FBS1BR/VP0+FtSw98FpbGAJ YOMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=JWs185Kk98Xgf2lg8HhUR2+2IE3Pt/jd4SkHpVRNSvw=; b=WqH46fcqDJaTL05yeTaNCBIGK3dtChWhD5/4uTuVq9ty3MGtMIjV4Z8opmUTSt6H9U Vap5IRb9TEbC9f4wq3f3UM9GwMjQgxPV4H+GoawhNtIliRkzpTXl3w9m8HcKtvyVuoyX IaTTTFgxOQTHdrQ+8Rrx/Vnyut2Cw2PGmcP30edgTqXocZAbaKgVCMCk7OYtVeDpXtsu 7IxXQy5J/Q+/r4RtaV9ReQTDyxg3ebqsKxzOoC5XnbLDA+1hX7eMMXVS3L3nqS2Etsrr vODNZHEje8Nw4w3oI4zol7U/FqdlJjSSCdsdmxrxtB0hOdBP/ffkaHIOfMNZAWadlftq 0Ydg== X-Gm-Message-State: APf1xPBxZxFmS2XJs6sBBlqWklcXD4wGNf+iGWwM5rZqWr5cicRnUpBO TbicQidil9DUl2+8+ZS5Nxc= X-Google-Smtp-Source: AH8x225JKOdbupjXH/QXzoiSrjQSplFmN7A+U1KO1wx/874UYM/hUKmSoOh5pZ4juJb6eJ4p3a36ow== X-Received: by 2002:a17:902:34f:: with SMTP id 73-v6mr2352595pld.122.1517921676707; Tue, 06 Feb 2018 04:54:36 -0800 (PST) Received: from ?IPv6:2601:646:8b03:d12c:bc4b:2b3d:aeae:c471? ([2601:646:8b03:d12c:bc4b:2b3d:aeae:c471]) by smtp.gmail.com with ESMTPSA id w7sm21830470pfb.125.2018.02.06.04.54.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Feb 2018 04:54:34 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) From: Gaurav Dawra In-Reply-To: <151566303970.12739.2150770765764492742.idtracker@ietfa.amsl.com> Date: Tue, 6 Feb 2018 04:54:32 -0800 Cc: The IESG , tinatsou6@gmail.com, spring@ietf.org, spring-chairs@ietf.org, aretana.ietf@gmail.com, draft-ietf-spring-segment-routing-msdc@ietf.org, bruno.decraene@orange.com Content-Transfer-Encoding: quoted-printable Message-Id: References: <151566303970.12739.2150770765764492742.idtracker@ietfa.amsl.com> To: Benoit Claise X-Mailer: Apple Mail (2.3445.5.20) Archived-At: Subject: Re: [spring] Benoit Claise's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Feb 2018 12:54:40 -0000 Thanks Beniot for the comments. Please see inline [Gaurav] > On Jan 11, 2018, at 1:30 AM, Benoit Claise wrote: >=20 > Benoit Claise has entered the following ballot position for > draft-ietf-spring-segment-routing-msdc-08: No Objection >=20 > 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.) >=20 >=20 > Please refer to = https://www.ietf.org/iesg/statement/discuss-criteria.html > for more information about IESG DISCUSS and COMMENT positions. >=20 >=20 > The document, along with other ballot positions, can be found here: > = https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-msdc/ >=20 >=20 >=20 > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- >=20 > OPS DIR review from Tina: >=20 > I found this document well written to be READY for publication as an > informational document. >=20 > Some nits: >=20 > 4.2 eBGP Labeled Unicast (RFC8277) >=20 > Each node peers with its neighbors via a eBGP session >=20 > should be >=20 > Each node peers with its neighbors via an eBGP session [Gaurav] Will address in next revision. >=20 > 7. Addressing the open problems >=20 > the same could be re-used in context of > other domains as well >=20 > A period is missing in the end. >=20 [Gaurav] ACK. > Are the centralized controller and centralized agent the same = components? [Gaurav] Yes in this context. >=20 > Even though the design in this document is specified for same domain, = it would > be useful to develop an approach for inter-domain without leaking = intra-domain > topology and policy. >=20 > Have this feature been included or being aligned with carrier grade = FIB in > FD.io VPP https://wiki.fd.io/view/VPP ? > [Gaurav] Apologies, which specific feature? Cheers, Gaurav >=20 > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring From nobody Tue Feb 6 05:01:33 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B92AD12DA6A; Tue, 6 Feb 2018 05:01:26 -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, 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 yvx6OcnnJ6-d; Tue, 6 Feb 2018 05:01:23 -0800 (PST) Received: from mail-pf0-x22d.google.com (mail-pf0-x22d.google.com [IPv6:2607:f8b0:400e:c00::22d]) (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 C5689129C6E; Tue, 6 Feb 2018 05:01:23 -0800 (PST) Received: by mail-pf0-x22d.google.com with SMTP id p1so560392pfh.4; Tue, 06 Feb 2018 05:01:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=ROnzeM7KzVpdQq481DGIIWkr8GPFLjFH6LNPczXL2LM=; b=qf3Inh9Sw3koDBcfSitMMxCNg5BfqNUWvNr87kMZJF/5dUjysbzGGV5Tlj1Vcq/1XI uaSuy9S9ozTupvyPio4CpSouhiPiwTAx+OZZ3mUFhrWBSMDe5Km3jwIb4XBU2rSPUsjk m4HnqRXsAduxDTIIB6sZyJ3hmbGGtcmpnUq7dt3DUUHjDJ/gZDJ/diJgMkkowAo2hXkZ IAccuYqWF+L8+LkDRjwHZM0jnqwRQwAXTWUObmWFio4d55OKN8DgVQI73ZwcXP1t1X2B edaDhWGT1864CElxmaKCi0bASAhMIkp9pDPBMEqN+Bs03X681Xq/iRYaF4HUWM8iO32N LpAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=ROnzeM7KzVpdQq481DGIIWkr8GPFLjFH6LNPczXL2LM=; b=RYZ0G5l3K3thzujgSi3R5QJZHs3o5qzNOCs5B/XwgPdnZ0Rahg87SAMlpzevFiHgf3 f/GgLNsiS0cF4bfYqsQJFLVUDVUghGlIDf0BnSTcR5IKP/4yldbiMFAd6qxfo3qP7gvD oNxEX6NmimvqoBidWoQZrCKOR0x6tPRh34hihfQw/w2Nc+BARQXANWLiEGzOa4JYsCY0 x/U0NlDGyMOS/7Bh9XXKbL7BNj4g51QG6tSE3dtAHITQPNFU8awAmZAvPpV65GY6ihQN A6NOtzz/VqCs99/oyyl3dJJyJWGMUFwlO3g2qZL9vuZNmth3zIBx4bdWTUZFRhqxIub6 siDQ== X-Gm-Message-State: APf1xPBn4pwFeDHRcDo2VDQATtLQU4Q153fcljoRdS/Z5Qtsg/iV9oGF twbSw72RqUuchwssW6AGBPc= X-Google-Smtp-Source: AH8x224EMMxw/X9ewX8sQcm94NsuMOaWoB6CkVPgZJ8aKblu4rfUJwNxF8eX7Y2u9kT2qmAwWDPQUg== X-Received: by 10.101.89.3 with SMTP id f3mr1915724pgu.372.1517922082216; Tue, 06 Feb 2018 05:01:22 -0800 (PST) Received: from ?IPv6:2601:646:8b03:d12c:bc4b:2b3d:aeae:c471? ([2601:646:8b03:d12c:bc4b:2b3d:aeae:c471]) by smtp.gmail.com with ESMTPSA id 19sm26143347pfk.168.2018.02.06.05.01.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Feb 2018 05:01:21 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) From: Gaurav Dawra In-Reply-To: <151564328492.18377.10335503943075639602.idtracker@ietfa.amsl.com> Date: Tue, 6 Feb 2018 05:01:19 -0800 Cc: The IESG , draft-ietf-spring-segment-routing-msdc@ietf.org, Bruno Decraene , spring@ietf.org, spring-chairs@ietf.org, aretana.ietf@gmail.com Content-Transfer-Encoding: quoted-printable Message-Id: References: <151564328492.18377.10335503943075639602.idtracker@ietfa.amsl.com> To: Adam Roach X-Mailer: Apple Mail (2.3445.5.20) Archived-At: Subject: Re: [spring] Adam Roach's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Feb 2018 13:01:27 -0000 Adam, Thanks for the comments. Inline=E2=80=A6[Gaurav] > On Jan 10, 2018, at 8:01 PM, Adam Roach wrote: >=20 > Adam Roach has entered the following ballot position for > draft-ietf-spring-segment-routing-msdc-08: No Objection >=20 > 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.) >=20 >=20 > Please refer to = https://www.ietf.org/iesg/statement/discuss-criteria.html > for more information about IESG DISCUSS and COMMENT positions. >=20 >=20 > The document, along with other ballot positions, can be found here: > = https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-msdc/ >=20 >=20 >=20 > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- >=20 > I spent a long time trying to understand the following text from = section 2, > where the sub-bullet appears to flatly contradict its parent bullet: >=20 > o Each node is its own AS (Node X has AS X). 4-byte AS numbers are > recommended ([RFC6793]). >=20 > * For simple and efficient route propagation filtering, Node5, > Node6, Node7 and Node8 use the same AS, Node3 and Node4 use = the > same AS, Node9 and Node10 use the same AS. >=20 > After a great deal of study of these and the following bullets, I = convinced > myself (perhaps incorrectly?) that the intention here is to say "We're = going to > talk about these nodes as if they each have their own AS, although in = real > deployments they'll probably be grouped together." Is that the = intention? If > so, it would be much easier to read if the sub-bullet made this = clearer. >=20 [Gaurav] Yes, thats the intension. In reality they can be grouped = together in such as way that Tier-1 for instance in the Center for Node = 5, 6, 7,8 have same ASN. Cheers, Gaurav >=20 > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring From nobody Tue Feb 6 07:33:23 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3C5BD12E055; Tue, 6 Feb 2018 07:33:17 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.748 X-Spam-Level: X-Spam-Status: No, score=-1.748 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=no 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 7dVD3cUVKkD2; Tue, 6 Feb 2018 07:33:15 -0800 (PST) Received: from mail-ot0-x234.google.com (mail-ot0-x234.google.com [IPv6:2607:f8b0:4003:c0f::234]) (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 223DF12D830; Tue, 6 Feb 2018 07:33:15 -0800 (PST) Received: by mail-ot0-x234.google.com with SMTP id r23so2076503ote.8; Tue, 06 Feb 2018 07:33:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=b2qyZnljsyDOPEWwKiSBViJpU7EXJifwJsyFLm9DArQ=; b=sEIiFO9iHNI6IhKASUIypa0ZYG+2ZYMsRTbeobwo7ad311/POStP8HrQVVF6pTZVMC BpNYgGya4obOVJJmPbtC5g10vtPM/Wb1lmVQTqPP4tcVSUUwmWiQOUx3tvhl1kcD/yno GfmHiNHsvKUveCAEwIEsahGUMqnwYU9HinflWDdjGFoAQcC8XaD415JWZXg8zepPYsaO 3rTdszxTraz+kV9m/j8G9vCvsYnWtLqWiFIiOw/2K6n3B9gw5EsdVj+S2iWh0FYarmGd 16HvSJ1VqQN6wYab7d6MpyDXzZHDFgX/KWBJAvxUYi5bVHsAucJKVdaMWaTqFHSvojiY alWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=b2qyZnljsyDOPEWwKiSBViJpU7EXJifwJsyFLm9DArQ=; b=M/4kIj80U/NyoPKLXPuZiJD4NcZrdYFhnlSANZII71mEuDGQDWlEm+eTu63QN3uxJU l7H9WnWW8TR/ItkmsxE6i55oFsbJJbgzKxMjQGs0cxRIwCtIzzczC8Jwh5Z6SD6PQPcq 8RdhQ4muCZp9sTMNVJQ0hAKU72YQMUCZL8VlulYrZ2yoPAekxjl+pm29X4oHE40wieYl Zym12OQBP7KmPWlCnFqva2lOokO7nZ8F1tusiWb0TsyKsHTSYRuAWoojudpWpR/EgSAf GoQidLjkJ+8x4tKu/ZuuI6Oqxbz5JjNbaGwHcYwNgLyVKOoDrkUEs1IwPk0K8+9tydX/ cuzg== X-Gm-Message-State: APf1xPBoo9LwUrvK2RGV4ST1PWUU5hBJoiwU3AyE8BuHFt2p5zSdGvmR aQgjM0OY+/WibGGNhrWqbCmBW/GV85nHZtxdPNw= X-Google-Smtp-Source: AH8x227fvQXLF8SvT9DWUbXbDL6KCIE/kefvgeFY+38tAI6Mfee2H27rZImfLTyzniLbN0crGUlCGRhN4aKcAAsb5qs= X-Received: by 10.157.45.46 with SMTP id v43mr2347782ota.264.1517931194105; Tue, 06 Feb 2018 07:33:14 -0800 (PST) MIME-Version: 1.0 References: <151566303970.12739.2150770765764492742.idtracker@ietfa.amsl.com> In-Reply-To: From: Tina Tsou Date: Tue, 06 Feb 2018 15:33:03 +0000 Message-ID: To: Gaurav Dawra Cc: Benoit Claise , The IESG , Tina Tsou , aretana.ietf@gmail.com, bruno.decraene@orange.com, draft-ietf-spring-segment-routing-msdc@ietf.org, spring@ietf.org, spring-chairs@ietf.org Content-Type: multipart/alternative; boundary="001a113cfb589e43fa05648ce55e" Archived-At: Subject: Re: [spring] Benoit Claise's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Feb 2018 15:33:17 -0000 --001a113cfb589e43fa05648ce55e Content-Type: text/plain; charset="UTF-8" Dear Gaurav, Please scroll down to see the reply in line. On Tue, Feb 6, 2018 at 4:54 AM Gaurav Dawra wrote: > Thanks Beniot for the comments. > > Please see inline [Gaurav] > > > On Jan 11, 2018, at 1:30 AM, Benoit Claise wrote: > > > > Benoit Claise has entered the following ballot position for > > draft-ietf-spring-segment-routing-msdc-08: 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-spring-segment-routing-msdc/ > > > > > > > > ---------------------------------------------------------------------- > > COMMENT: > > ---------------------------------------------------------------------- > > > > OPS DIR review from Tina: > > > > I found this document well written to be READY for publication as an > > informational document. > > > > Some nits: > > > > 4.2 eBGP Labeled Unicast (RFC8277) > > > > Each node peers with its neighbors via a eBGP session > > > > should be > > > > Each node peers with its neighbors via an eBGP session > [Gaurav] Will address in next revision. > > > > 7. Addressing the open problems > > > > the same could be re-used in context of > > other domains as well > > > > A period is missing in the end. > > > [Gaurav] ACK. > > > Are the centralized controller and centralized agent the same components? > [Gaurav] Yes in this context. > > > > Even though the design in this document is specified for same domain, it > would > > be useful to develop an approach for inter-domain without leaking > intra-domain > > topology and policy. > > > > Have this feature been included or being aligned with carrier grade FIB > in > > FD.io VPP https://wiki.fd.io/view/VPP ? > > [Gaurav] Apologies, which specific feature? > I meant the technology described by this document. At FD.io CSIT TOI meeting now, see segment routing is on the list, but cannot find more detail whether msdc is included. > > Cheers, > > Gaurav > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring > > -- Thank you, Tina --001a113cfb589e43fa05648ce55e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Gaurav,

Please scroll down to see the reply in line.

On Tue, Feb 6, 2018 at 4:54 AM Gaurav D= awra <gdawra.ietf@gmail.com= > wrote:
Thanks Beniot for the c= omments.

Please see inline [Gaurav]

> On Jan 11, 2018, at 1:30 AM, Benoit Claise <bclaise@cisco.com> wrote:
>
> Benoit Claise has entered the following ballot position for
> draft-ietf-spring-segment-routing-msdc-08: No Objection
>
> When responding, please keep the subject line intact and reply to all<= br> > email addresses included in the To and CC lines. (Feel free to cut thi= s
> introductory paragraph, however.)
>
>
> Please refer to https://www.ietf.org/i= esg/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.iet= f.org/doc/draft-ietf-spring-segment-routing-msdc/
>
>
>
> ----------------------------------------------------------------------=
> COMMENT:
> ----------------------------------------------------------------------=
>
> OPS DIR review from Tina:
>
> I found this document well written to be READY for publication as an > informational document.
>
> Some nits:
>
> 4.2 eBGP Labeled Unicast (RFC8277)
>
> Each node peers with its neighbors via a eBGP session
>
> should be
>
> Each node peers with its neighbors via an eBGP session
[Gaurav] Will address in next revision.
>
> 7.=C2=A0 Addressing the open problems
>
> the same could be re-used in context of
>=C2=A0 =C2=A0other domains as well
>
> A period is missing in the end.
>
[Gaurav] ACK.

> Are the centralized controller and centralized agent the same componen= ts?
[Gaurav]=C2=A0 Yes in this context.
>
> Even though the design in this document is specified for same domain, = it would
> be useful to develop an approach for inter-domain without leaking intr= a-domain
> topology and policy.
>
> Have this feature been included or being aligned with carrier grade FI= B in
> FD.io VPP https://wiki.fd.io/view/VPP ?
> [Gaurav] Apologies, which specific feature?
I meant the technology described by this doc= ument.

At FD.io CSIT TOI= meeting now, see segment routing is on the list, but cannot find more deta= il whether msdc is included.

Cheers,

Gaurav
>
> _______________________________________________
> spring mailing list
> spring@ietf.org
> https://www.ietf.org/mailman/listinfo/spring
--
Thank you, Tina
--001a113cfb589e43fa05648ce55e-- From nobody Tue Feb 6 12:13:09 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@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: [spring] Experimental support of OSPFv2 Segment Routing in Free Range Routing X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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 00:37:48 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EEE311201FA; Tue, 6 Feb 2018 23:29:34 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.209 X-Spam-Level: X-Spam-Status: No, score=-4.209 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, UNPARSEABLE_RELAY=0.001] 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 pK1iljB9lRmp; Tue, 6 Feb 2018 23:29:33 -0800 (PST) Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.217.80.70]) (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 1EF431200C1; Tue, 6 Feb 2018 23:29:33 -0800 (PST) Received: from mxct.zte.com.cn (unknown [192.168.164.215]) by Forcepoint Email with ESMTPS id B128BFE6526EC115AE11; Wed, 7 Feb 2018 15:29:31 +0800 (CST) Received: from mse02.zte.com.cn (unknown [10.30.3.21]) by Forcepoint Email with ESMTPS id 973C7EE0BBBF1B6662E2; Wed, 7 Feb 2018 15:29:31 +0800 (CST) Received: from njxapp03.zte.com.cn ([10.41.132.202]) by mse02.zte.com.cn with SMTP id w177TOnZ089805; Wed, 7 Feb 2018 15:29:25 +0800 (GMT-8) (envelope-from wang.yubao2@zte.com.cn) Received: from mapi (njxapp04[null]) by mapi (Zmail) with MAPI id mid203; Wed, 7 Feb 2018 15:29:27 +0800 (CST) Date: Wed, 7 Feb 2018 15:29:27 +0800 (CST) X-Zmail-TransId: 2afc5a7aaad7463-14bb1 X-Mailer: Zmail v1.0 Message-ID: <201802071529272583243@zte.com.cn> Mime-Version: 1.0 From: To: , , , , , , , , , , , Cc: , Content-Type: multipart/mixed; boundary="=====_001_next=====" X-MAIL: mse02.zte.com.cn w177TOnZ089805 Archived-At: X-Mailman-Approved-At: Wed, 07 Feb 2018 00:37:46 -0800 Subject: [spring] =?utf-8?q?Discussions_on_ESI_filtering_procedure_in_SRv6?= =?utf-8?q?_EVPN_=28defined_in_draft-dawra-idr-srv6-vpn-03=29?= X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 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: [spring] [OSPF] Experimental support of OSPFv2 Segment Routing in Free Range Routing X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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, 12 Feb 2018 06:20:34 -0800 (PST) Received: from 1058052472880 named unknown by gmailapi.google.com with HTTPREST; Mon, 12 Feb 2018 08:20:33 -0600 From: Alvaro Retana In-Reply-To: References: <151322370751.6222.4040293688172571956.idtracker@ietfa.amsl.com> <89a53447d5dc423b8c4cd8c9376756e7@XCH-ALN-001.cisco.com> X-Mailer: Airmail (467) MIME-Version: 1.0 Date: Mon, 12 Feb 2018 08:20:33 -0600 Message-ID: To: "Les Ginsberg (ginsberg)" , Kathleen Moriarty Cc: "martin.vigoureux@nokia.com" , "spring-chairs@ietf.org" , The IESG , "spring@ietf.org" , "draft-ietf-spring-segment-routing@ietf.org" Content-Type: multipart/alternative; boundary="94eb2c137f4ecec3d80565049406" Archived-At: Subject: Re: [spring] Kathleen Moriarty's Discuss on draft-ietf-spring-segment-routing-13: (with DISCUSS) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Feb 2018 14:20:41 -0000 --94eb2c137f4ecec3d80565049406 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Kathleen: Hi! When you get a chance, please take a look at Les=E2=80=99 updates. Thanks! Alvaro. On January 12, 2018 at 6:06:24 PM, Les Ginsberg (ginsberg) ( ginsberg@cisco.com) wrote: Kathleen - I propose the following addition to the end of Section 8. "The use of best practices to reduce the risk of tampering within the trusted domain is important. Such practices are discussed in [RFC4381] and are applicable to both SR-MPLS and SRv6." Les > -----Original Message----- > From: Kathleen Moriarty [mailto:kathleen.moriarty.ietf@gmail.com] > Sent: Friday, January 12, 2018 10:58 AM > To: Alvaro Retana > Cc: Les Ginsberg (ginsberg) ; The IESG > ; spring@ietf.org; spring-chairs@ietf.org; draft-ietf-spring- > segment-routing@ietf.org; martin.vigoureux@nokia.com > Subject: Re: Kathleen Moriarty's Discuss on draft-ietf-spring-segment- > routing-13: (with DISCUSS) > > Hi, Alvaro! > > Thanks for bringing this to my attention, the message from Les slipped > through the cracks. > > On Thu, Jan 11, 2018 at 4:57 PM, Alvaro Retana > wrote: > > Kathleen: > > > > Hi! > > > > Any thoughts on the update to this document? > > > > Thanks! > > > > Alvaro. > > > > On December 20, 2017 at 6:42:02 PM, Les Ginsberg (ginsberg) > > (ginsberg@cisco.com) wrote: > > > > Kathleen - > > > > Thanx for the review. > > V14 has been published and it attempts to address the Security > > concerns raised by you and others. > > Look forward to your feedback. > > > > Inline. > > > >> -----Original Message----- > >> From: Kathleen Moriarty [mailto:Kathleen.Moriarty.ietf@gmail.com] > >> Sent: Wednesday, December 13, 2017 7:55 PM > >> To: The IESG > >> Cc: draft-ietf-spring-segment-routing@ietf.org; > >> aretana.ietf@gmail.com; spring-chairs@ietf.org; > >> martin.vigoureux@nokia.com; spring@ietf.org > >> Subject: Kathleen Moriarty's Discuss on > >> draft-ietf-spring-segment-routing- > >> 13: (with DISCUSS) > >> > >> Kathleen Moriarty has entered the following ballot position for > >> draft-ietf-spring-segment-routing-13: Discuss > >> > >> 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-spring-segment-routing/ > >> > >> > >> > >> --------------------------------------------------------------------- > >> - > >> DISCUSS: > >> --------------------------------------------------------------------- > >> - > >> > >> While I understand the assumption that following the capabilities of > >> existing protocols that incorporate similar functionality is okay, > >> I'd like to walk through the security properties left off in the > >> security considerations section to prevent tampering and see what can > >> be done to correct that or minimally to list out the considerations. > >> > >> There's a few places in the security considerations section to call > >> out specifically. > >> > >> Section 8.1: > >> "The received information is validated using existing control plane > >> protocols providing authentication and security mechanisms. Segment > >> Routing does not define any additional security mechanism in existing > >> control plane protocols." > >> > >> For MPLS what "security mechanisms" are referred to in this text? It > >> would be helpful to list any properties explicitly or drop this > >> phrase if there are no additional security mechanisms. Since segment > >> routing lists an explicit list of segments (I see that this can be > >> done with MPLS labels and you note it is already exposed), why is > >> there no mention of integrity protection and origin authentication to > >> prevent tampering? I think EKR's comment is already hinting at this > >> with his comments on IPv6, but I'd like to see explicit text to > >> preferably fix this gap in the architecture, but minimally to > >> document it and the associated security threats that result from this > >> gap for MPLS and IPv6. > >> > > > > [Les:] We have reemphasized that SR is designed to be used within a > trusted > > domain. As such, any attacker who sees a segment list already has > breached > > the domain protections. > > > >> Section 8.2: > >> > >> "From a network protection standpoint, there is an assumed trust model > >> such that any node adding an SRH to the packet is assumed to be > >> allowed to do so. Therefore, by default, the explicit routing > >> information MUST NOT be leaked through the boundaries of the > >> administered domain. Segment Routing extensions that have been > >> defined in various protocols, leverage the security mechanisms of > >> these protocols such as encryption, authentication, filtering, etc." > >> > >> This document focuses on the same threats as the MPLS use cases with > no > >> mention of tampering or mitigations. Text should be added to describe > how > >> origin authentication and integrity are provided in the source routing > >> header > >> for IPv6 with the associated threats or to describe this gap if a solution > >> does > >> not exist. I have not read the draft referred to at the start of this > >> section, so I > >> don't know if it addresses the concern or not. In any case, this document > >> isn't complete without some text on tampering considerations within your > >> trusted domain. > >> > > [Les:] The architecture draft is NOT proposing support of SRH introduced > > outside the domain of trust. Such support is an exception to the > > architecture. When done the use of origin authentication would be > > appropriate, but such an exception is not being described nor advocated in > > this document. > > Here I'm asking about tampering within the trusted domain, not just a > statement that this is expected to occur within a trusted domain. If > there are no mitigations, that is a security consideration that should > be stated explicitly as a risk and it's fine if you tie it to your > assumed trust model. > > So describing the gap in the text as requested in one of the options > to address the discuss seems like the approach needed here. > > Thank you, > Kathleen > > > > > Les > > > >> Thank you. > >> > >> > >> > > > > > > -- > > Best regards, > Kathleen --94eb2c137f4ecec3d80565049406 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =
Kathleen:

Hi!

Wh= en you get a chance, please take a look at Les=E2=80=99 updates.

Thanks!

Alvaro.

On= January 12, 2018 at 6:06:24 PM, Les Ginsberg (ginsberg) (ginsberg@cisco.com) wrote:

Kathleen -

I propose the following addition to the end of Section 8.

"The use of best practices to reduce the risk of tampering within = =20
the trusted domain is important. Such practices are discussed in
[RFC4381] and are applicable to both SR-MPLS and SRv6."

Les


> -----Original Message-----
> From: Kathleen Moriarty [mailto:kathleen.moriarty.ietf@gmail.com]
> Sent: Friday, January 12, 2018 10:58 AM
> To: Alvaro Retana <ar= etana.ietf@gmail.com>
> Cc: Les Ginsberg (ginsberg) <ginsberg@cisco.com>; The IESG
> <iesg@ietf.org>; spring@ietf.org; spring-chairs@ietf.org; draft-ietf-spring-
> segment-routing@ietf.o= rg; martin.vigoureux@noki= a.com
> Subject: Re: Kathleen Moriarty's Discuss on draft-ietf-spring-= segment-
> routing-13: (with DISCUSS)
> =20
> Hi, Alvaro!
> =20
> Thanks for bringing this to my attention, the message from Les sli= pped
> through the cracks.
> =20
> On Thu, Jan 11, 2018 at 4:57 PM, Alvaro Retana <aretana.ietf@gmail.com>
> wrote:
> > Kathleen:
> >
> > Hi!
> >
> > Any thoughts on the update to this document?
> >
> > Thanks!
> >
> > Alvaro.
> >
> > On December 20, 2017 at 6:42:02 PM, Les Ginsberg (ginsberg)
> > (ginsberg@cisco.com= ) wrote:
> >
> > Kathleen -
> >
> > Thanx for the review.
> > V14 has been published and it attempts to address the Securit= y
> > concerns raised by you and others.
> > Look forward to your feedback.
> >
> > Inline.
> >
> >> -----Original Message-----
> >> From: Kathleen Moriarty [mailto:Kathleen.Moriarty.ietf@gmail.com]
> >> Sent: Wednesday, December 13, 2017 7:55 PM
> >> To: The IESG <iesg@ie= tf.org>
> >> Cc: draft-ietf-spring-segment-routing@ietf.org;
> >> aretana.ietf@gm= ail.com; spring-chairs@ietf.o= rg;
> >> martin.vigo= ureux@nokia.com; spring@ietf.org
> >> Subject: Kathleen Moriarty's Discuss on
> >> draft-ietf-spring-segment-routing-
> >> 13: (with DISCUSS)
> >>
> >> Kathleen Moriarty has entered the following ballot positi= on for
> >> draft-ietf-spring-segment-routing-13: Discuss
> >>
> >> When responding, please keep the subject line intact and = reply to all
> >> email addresses included in the To and CC lines. (Feel fr= ee 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 posit= ions.
> >>
> >>
> >> The document, along with other ballot positions, can be f= ound here:
> >> https://datatracker.ietf.org/doc/draft-ietf-spring-s= egment-routing/
> >>
> >>
> >>
> >> ---------------------------------------------------------= ------------
> >> -
> >> DISCUSS:
> >> ---------------------------------------------------------= ------------
> >> -
> >>
> >> While I understand the assumption that following the capa= bilities of
> >> existing protocols that incorporate similar functionality= is okay,
> >> I'd like to walk through the security properties left= off in the
> >> security considerations section to prevent tampering and = see what can
> >> be done to correct that or minimally to list out the cons= iderations.
> >>
> >> There's a few places in the security considerations s= ection to call
> >> out specifically.
> >>
> >> Section 8.1:
> >> "The received information is validated using existin= g control plane
> >> protocols providing authentication and security mechanism= s. Segment
> >> Routing does not define any additional security mechanism= in existing
> >> control plane protocols."
> >>
> >> For MPLS what "security mechanisms" are referre= d to in this text? It
> >> would be helpful to list any properties explicitly or dro= p this
> >> phrase if there are no additional security mechanisms. Si= nce segment
> >> routing lists an explicit list of segments (I see that th= is can be
> >> done with MPLS labels and you note it is already exposed)= , why is
> >> there no mention of integrity protection and origin authe= ntication to
> >> prevent tampering? I think EKR's comment is already h= inting at this
> >> with his comments on IPv6, but I'd like to see explic= it text to
> >> preferably fix this gap in the architecture, but minimall= y to
> >> document it and the associated security threats that resu= lt from this
> >> gap for MPLS and IPv6.
> >>
> >
> > [Les:] We have reemphasized that SR is designed to be used wi= thin a
> trusted
> > domain. As such, any attacker who sees a segment list already= has
> breached
> > the domain protections.
> >
> >> Section 8.2:
> >>
> >> "From a network protection standpoint, there is an a= ssumed trust model
> >> such that any node adding an SRH to the packet is assumed= to be
> >> allowed to do so. Therefore, by default, the explicit rou= ting
> >> information MUST NOT be leaked through the boundaries of = the
> >> administered domain. Segment Routing extensions that have= been
> >> defined in various protocols, leverage the security mecha= nisms of
> >> these protocols such as encryption, authentication, filte= ring, etc."
> >>
> >> This document focuses on the same threats as the MPLS use= cases with
> no
> >> mention of tampering or mitigations. Text should be added= to describe
> how
> >> origin authentication and integrity are provided in the s= ource routing
> >> header
> >> for IPv6 with the associated threats or to describe this = gap if a solution
> >> does
> >> not exist. I have not read the draft referred to at the s= tart of this
> >> section, so I
> >> don't know if it addresses the concern or not. In any= case, this document
> >> isn't complete without some text on tampering conside= rations within your
> >> trusted domain.
> >>
> > [Les:] The architecture draft is NOT proposing support of SRH= introduced
> > outside the domain of trust. Such support is an exception to = the
> > architecture. When done the use of origin authentication woul= d be
> > appropriate, but such an exception is not being described nor= advocated in
> > this document.
> =20
> Here I'm asking about tampering within the trusted domain, not= just a
> statement that this is expected to occur within a trusted domain. = If
> there are no mitigations, that is a security consideration that sh= ould
> be stated explicitly as a risk and it's fine if you tie it to = your
> assumed trust model.
> =20
> So describing the gap in the text as requested in one of the optio= ns
> to address the discuss seems like the approach needed here.
> =20
> Thank you,
> Kathleen
> =20
> >
> > Les
> >
> >> Thank you.
> >>
> >>
> >>
> >
> =20
> =20
> =20
> --
> =20
> Best regards,
> Kathleen
--94eb2c137f4ecec3d80565049406-- From nobody Mon Feb 12 07:26:07 2018 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A70AE12D7E3; Mon, 12 Feb 2018 07:26:01 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Kathleen Moriarty To: "The IESG" Cc: draft-ietf-spring-segment-routing@ietf.org, aretana.ietf@gmail.com, spring-chairs@ietf.org, martin.vigoureux@nokia.com, spring@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.72.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <151844916168.6038.2411352913862649121.idtracker@ietfa.amsl.com> Date: Mon, 12 Feb 2018 07:26:01 -0800 Archived-At: Subject: [spring] Kathleen Moriarty's No Objection on draft-ietf-spring-segment-routing-15: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Feb 2018 15:26:01 -0000 Kathleen Moriarty has entered the following ballot position for draft-ietf-spring-segment-routing-15: 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-spring-segment-routing/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Thanks for the updated text to address my previous discuss point. From nobody Mon Feb 12 07:28:21 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4043F12D779; Mon, 12 Feb 2018 07:28:15 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 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, 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 4PwgVBAJZ19r; Mon, 12 Feb 2018 07:28:12 -0800 (PST) Received: from mail-pg0-x231.google.com (mail-pg0-x231.google.com [IPv6:2607:f8b0:400e:c05::231]) (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 2630A12D77C; Mon, 12 Feb 2018 07:28:12 -0800 (PST) Received: by mail-pg0-x231.google.com with SMTP id f6so7704731pgs.10; Mon, 12 Feb 2018 07:28:12 -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:content-transfer-encoding; bh=DngmsukG8/twKZ7Dk2abzXWE342B12eWWFJImHZZXO8=; b=Ko/n2/6tBJPfafX+Hi8HsmHPkWk6fqsGaAdf7vit9TMsghiE1e44nBYrO/+XL/aC0D 3NEmBX7s0cpo9GPr0dSGBcILIz8OFYY4quzvlclr8c6PRfhWdBTELBEwtKgzhtZI7+0b XCFw6KE83tcJW1kUycNOa3Ee6B8mCfJiMmXK+0jm0Gunds95AHU3abDocWBLUG8tLHma ropVQielDPeLF0v7GubrZ/0ceyw5VIh9F30Mzo3d4Um2ZqLXD1s4VYX6P1uYnsJm+GLe Evq//Ukq7BpsKuiRlUuYBpjckWKHJ9yW2A1NvixfdkIjhDuhb7dvK92fMih4f2T0tzQ/ Npxw== 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:content-transfer-encoding; bh=DngmsukG8/twKZ7Dk2abzXWE342B12eWWFJImHZZXO8=; b=s7kFmqu1G+ttGc+tzLEXXMhyj7uHkcdD6c80JvkSmkV6MS4Rh+VJK+HayYaLFlqARq GJ0nmu2lAdCQw5KJXWi2/K3iBKKSH0Q4SivjfuMcrHzgFtlhGLRuWg+cw2YKvYk3YtK2 2uCjPNvvA6/8ig9gsJCrQxWFLN6mf1kwpymNOroAq0NKtOTke9DxmBuiQC8wjSURgNBx coGMcPHwSwX/+erzsVWPbRlKQbtAyDqjzdssZsMdsRWNhKUs+/db+mj/eAXa2iZEdHJ0 FUix9PyrRL3lf9CpSaQ8GFqfBWBekWMv5TqkmkZ5PYxpRm4XWtlCdwdbfn29BiNlG83O 00ig== X-Gm-Message-State: APf1xPA8z5dzWONqR+qwmVa9IqWApQVScTb52GBz98qkikKCnw9rcQVb Y42MryAk8ddwHfyh7uxBKFDDC82DjoeMG2mZum0= X-Google-Smtp-Source: AH8x225g6jIjcZyw47X4JBnQGHUj0bDUkqom8IksrIe2RGNnDiSUnQEv1jyzqara4NuTk7PmvUwKPGs4XLp7uclPkPk= X-Received: by 10.101.80.69 with SMTP id k5mr9577858pgo.443.1518449291698; Mon, 12 Feb 2018 07:28:11 -0800 (PST) MIME-Version: 1.0 Received: by 10.100.186.143 with HTTP; Mon, 12 Feb 2018 07:27:31 -0800 (PST) In-Reply-To: References: <151322370751.6222.4040293688172571956.idtracker@ietfa.amsl.com> <89a53447d5dc423b8c4cd8c9376756e7@XCH-ALN-001.cisco.com> From: Kathleen Moriarty Date: Mon, 12 Feb 2018 10:27:31 -0500 Message-ID: To: Alvaro Retana Cc: "Les Ginsberg (ginsberg)" , "martin.vigoureux@nokia.com" , "spring-chairs@ietf.org" , The IESG , "spring@ietf.org" , "draft-ietf-spring-segment-routing@ietf.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [spring] Kathleen Moriarty's Discuss on draft-ietf-spring-segment-routing-13: (with DISCUSS) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Feb 2018 15:28:15 -0000 Hi, Thanks for the ping and updated text, I must not have seen the original message for some reason. Best regards, Kathleen On Mon, Feb 12, 2018 at 9:20 AM, Alvaro Retana wro= te: > Kathleen: > > Hi! > > When you get a chance, please take a look at Les=E2=80=99 updates. > > Thanks! > > Alvaro. > > On January 12, 2018 at 6:06:24 PM, Les Ginsberg (ginsberg) > (ginsberg@cisco.com) wrote: > > Kathleen - > > I propose the following addition to the end of Section 8. > > "The use of best practices to reduce the risk of tampering within > the trusted domain is important. Such practices are discussed in > [RFC4381] and are applicable to both SR-MPLS and SRv6." > > Les > > >> -----Original Message----- >> From: Kathleen Moriarty [mailto:kathleen.moriarty.ietf@gmail.com] >> Sent: Friday, January 12, 2018 10:58 AM >> To: Alvaro Retana >> Cc: Les Ginsberg (ginsberg) ; The IESG >> ; spring@ietf.org; spring-chairs@ietf.org; >> draft-ietf-spring- >> segment-routing@ietf.org; martin.vigoureux@nokia.com >> Subject: Re: Kathleen Moriarty's Discuss on draft-ietf-spring-segment- >> routing-13: (with DISCUSS) >> >> Hi, Alvaro! >> >> Thanks for bringing this to my attention, the message from Les slipped >> through the cracks. >> >> On Thu, Jan 11, 2018 at 4:57 PM, Alvaro Retana >> wrote: >> > Kathleen: >> > >> > Hi! >> > >> > Any thoughts on the update to this document? >> > >> > Thanks! >> > >> > Alvaro. >> > >> > On December 20, 2017 at 6:42:02 PM, Les Ginsberg (ginsberg) >> > (ginsberg@cisco.com) wrote: >> > >> > Kathleen - >> > >> > Thanx for the review. >> > V14 has been published and it attempts to address the Security >> > concerns raised by you and others. >> > Look forward to your feedback. >> > >> > Inline. >> > >> >> -----Original Message----- >> >> From: Kathleen Moriarty [mailto:Kathleen.Moriarty.ietf@gmail.com] >> >> Sent: Wednesday, December 13, 2017 7:55 PM >> >> To: The IESG >> >> Cc: draft-ietf-spring-segment-routing@ietf.org; >> >> aretana.ietf@gmail.com; spring-chairs@ietf.org; >> >> martin.vigoureux@nokia.com; spring@ietf.org >> >> Subject: Kathleen Moriarty's Discuss on >> >> draft-ietf-spring-segment-routing- >> >> 13: (with DISCUSS) >> >> >> >> Kathleen Moriarty has entered the following ballot position for >> >> draft-ietf-spring-segment-routing-13: Discuss >> >> >> >> 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-spring-segment-routing/ >> >> >> >> >> >> >> >> --------------------------------------------------------------------- >> >> - >> >> DISCUSS: >> >> --------------------------------------------------------------------- >> >> - >> >> >> >> While I understand the assumption that following the capabilities of >> >> existing protocols that incorporate similar functionality is okay, >> >> I'd like to walk through the security properties left off in the >> >> security considerations section to prevent tampering and see what can >> >> be done to correct that or minimally to list out the considerations. >> >> >> >> There's a few places in the security considerations section to call >> >> out specifically. >> >> >> >> Section 8.1: >> >> "The received information is validated using existing control plane >> >> protocols providing authentication and security mechanisms. Segment >> >> Routing does not define any additional security mechanism in existing >> >> control plane protocols." >> >> >> >> For MPLS what "security mechanisms" are referred to in this text? It >> >> would be helpful to list any properties explicitly or drop this >> >> phrase if there are no additional security mechanisms. Since segment >> >> routing lists an explicit list of segments (I see that this can be >> >> done with MPLS labels and you note it is already exposed), why is >> >> there no mention of integrity protection and origin authentication to >> >> prevent tampering? I think EKR's comment is already hinting at this >> >> with his comments on IPv6, but I'd like to see explicit text to >> >> preferably fix this gap in the architecture, but minimally to >> >> document it and the associated security threats that result from this >> >> gap for MPLS and IPv6. >> >> >> > >> > [Les:] We have reemphasized that SR is designed to be used within a >> trusted >> > domain. As such, any attacker who sees a segment list already has >> breached >> > the domain protections. >> > >> >> Section 8.2: >> >> >> >> "From a network protection standpoint, there is an assumed trust mode= l >> >> such that any node adding an SRH to the packet is assumed to be >> >> allowed to do so. Therefore, by default, the explicit routing >> >> information MUST NOT be leaked through the boundaries of the >> >> administered domain. Segment Routing extensions that have been >> >> defined in various protocols, leverage the security mechanisms of >> >> these protocols such as encryption, authentication, filtering, etc." >> >> >> >> This document focuses on the same threats as the MPLS use cases with >> no >> >> mention of tampering or mitigations. Text should be added to describe >> how >> >> origin authentication and integrity are provided in the source routin= g >> >> header >> >> for IPv6 with the associated threats or to describe this gap if a >> >> solution >> >> does >> >> not exist. I have not read the draft referred to at the start of this >> >> section, so I >> >> don't know if it addresses the concern or not. In any case, this >> >> document >> >> isn't complete without some text on tampering considerations within >> >> your >> >> trusted domain. >> >> >> > [Les:] The architecture draft is NOT proposing support of SRH introduc= ed >> > outside the domain of trust. Such support is an exception to the >> > architecture. When done the use of origin authentication would be >> > appropriate, but such an exception is not being described nor advocate= d >> > in >> > this document. >> >> Here I'm asking about tampering within the trusted domain, not just a >> statement that this is expected to occur within a trusted domain. If >> there are no mitigations, that is a security consideration that should >> be stated explicitly as a risk and it's fine if you tie it to your >> assumed trust model. >> >> So describing the gap in the text as requested in one of the options >> to address the discuss seems like the approach needed here. >> >> Thank you, >> Kathleen >> >> > >> > Les >> > >> >> Thank you. >> >> >> >> >> >> >> > >> >> >> >> -- >> >> Best regards, >> Kathleen --=20 Best regards, Kathleen From nobody Tue Feb 13 00:15:33 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1AA6D12D864; Mon, 12 Feb 2018 09:48:46 -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 8fmfx0rvTeN9; Mon, 12 Feb 2018 09:48:44 -0800 (PST) Received: from mail-pg0-x229.google.com (mail-pg0-x229.google.com [IPv6:2607:f8b0:400e:c05::229]) (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 1D0FE126E3A; Mon, 12 Feb 2018 09:48:44 -0800 (PST) Received: by mail-pg0-x229.google.com with SMTP id l24so1937870pgc.5; Mon, 12 Feb 2018 09:48:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=Diq2YxwzDPovWaOJiR36MU1G8nL25972DkQ/Kmc6qdA=; b=AMYQDyvjJXM8Lj1KIKv9VyCNLds/rY4cfFZW+dU8ZIfYHD8k+9DymXeKpjjMaGbhaA WQqkm7AUuMYYFlIn4clh1ZlbRHP+rZkBQJ3MhoPZgLAQHoXoyTSwn62ugojtkyluuUgB TWiJIvRF2sXZ5wItZQyBFsDHXBFfCFlvll4oReK59MlUwYPFkLqN3LqCzeNh05kQ4zPB x/9j1bwY7/Dene7EPt7CFWHJwRDP3og8UVHsuTvX+siB8dRBY7amF4QsRgKjBfAVaYGt 7OmqvnzR/Pv8xBTS/Y1Tqr+gTM+O1Qcvb2i7xEeWngbew76tSuaY6DiHVL2RBRVyAJe+ ubyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=Diq2YxwzDPovWaOJiR36MU1G8nL25972DkQ/Kmc6qdA=; b=W3/yLXaXE+7ALX6ovjTmRVdn1Mjz5l2sFZeoZ3nBL8lf0aV1bF3uvL+QPzTBcOtZ3i jzJp+N1/rBMyPLScWvC3G2BFld8zJtRu1K+7dCm2kOLI9Wt8q/g4ahikFK7/szU76LVw l/2Hmn2ropy75QAsRyYNkNwcJRS+4IX8MOdfVEi+JRNdPD+3evL/Xdwr2l6QySjqwtJu zgFd3zI7Ja7kdtXPySEVgv1xvJJjOOp/Fu4zECYGS7YgCX5bXot2cQykRsXwVocfR8M/ tgahJhiPkMA/imhDQxv98ru1ImrQOUaYZkvTR2/PK4L55lDh2UM2s8HXxxImRZwwx0CM aAjQ== X-Gm-Message-State: APf1xPBB5wo+HZL2lnGzhC3ZpZAGd+AAEaqZmMBk67pavIRrxw/W1ufN pygRUZmnxIHTr8yyJn3n2+I= X-Google-Smtp-Source: AH8x227XHlKtI7rDOc//O+FVWfX5H26qHea1+ZcEfGsRid/lR6OKUWWGJey2+OkygIyAwo/QuxhDlQ== X-Received: by 10.98.8.141 with SMTP id 13mr12498177pfi.213.1518457723713; Mon, 12 Feb 2018 09:48:43 -0800 (PST) Received: from ?IPv6:2620:119:5003:20c:cbbe:c459:e3c8:5921? ([2620:119:5003:20c:cbbe:c459:e3c8:5921]) by smtp.gmail.com with ESMTPSA id c8sm28861498pfl.160.2018.02.12.09.48.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Feb 2018 09:48:42 -0800 (PST) From: Gaurav Dawra Message-Id: <0471BC25-9546-4454-BCA2-3FA473B81C06@gmail.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_01B692A6-F398-45CD-B343-8AA95FA07815" Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) Date: Mon, 12 Feb 2018 09:48:41 -0800 In-Reply-To: Cc: Benoit Claise , The IESG , Tina Tsou , Alvaro Retana , Bruno Decraene , draft-ietf-spring-segment-routing-msdc@ietf.org, spring@ietf.org, spring-chairs@ietf.org, "Pablo Camarillo (pcamaril)" To: Tina Tsou References: <151566303970.12739.2150770765764492742.idtracker@ietfa.amsl.com> X-Mailer: Apple Mail (2.3445.5.20) Archived-At: X-Mailman-Approved-At: Tue, 13 Feb 2018 00:15:32 -0800 Subject: Re: [spring] Benoit Claise's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Feb 2018 17:48:46 -0000 --Apple-Mail=_01B692A6-F398-45CD-B343-8AA95FA07815 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Tina, I am adding Pablo. He will respond to below comment. Cheers, Gaurav > On Feb 6, 2018, at 7:33 AM, Tina Tsou wrote: >=20 > Dear Gaurav, >=20 > Please scroll down to see the reply in line. >=20 > On Tue, Feb 6, 2018 at 4:54 AM Gaurav Dawra > wrote: > Thanks Beniot for the comments. >=20 > Please see inline [Gaurav] >=20 > > On Jan 11, 2018, at 1:30 AM, Benoit Claise > wrote: > > > > Benoit Claise has entered the following ballot position for > > draft-ietf-spring-segment-routing-msdc-08: 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-spring-segment-routing-msdc/ = = > > > > > > > > = ---------------------------------------------------------------------- > > COMMENT: > > = ---------------------------------------------------------------------- > > > > OPS DIR review from Tina: > > > > I found this document well written to be READY for publication as an > > informational document. > > > > Some nits: > > > > 4.2 eBGP Labeled Unicast (RFC8277) > > > > Each node peers with its neighbors via a eBGP session > > > > should be > > > > Each node peers with its neighbors via an eBGP session > [Gaurav] Will address in next revision. > > > > 7. Addressing the open problems > > > > the same could be re-used in context of > > other domains as well > > > > A period is missing in the end. > > > [Gaurav] ACK. >=20 > > Are the centralized controller and centralized agent the same = components? > [Gaurav] Yes in this context. > > > > Even though the design in this document is specified for same = domain, it would > > be useful to develop an approach for inter-domain without leaking = intra-domain > > topology and policy. > > > > Have this feature been included or being aligned with carrier grade = FIB in > > FD.io VPP https://wiki.fd.io/view/VPP = ? > > [Gaurav] Apologies, which specific feature? > I meant the technology described by this document. >=20 > At FD.io CSIT TOI meeting now, see segment routing is = on the list, but cannot find more detail whether msdc is included. >=20 > Cheers, >=20 > Gaurav > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring = >=20 > --=20 > Thank you, Tina --Apple-Mail=_01B692A6-F398-45CD-B343-8AA95FA07815 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Tina,

I am adding = Pablo. He will respond to below comment.

Cheers,

Gaurav

On Feb 6, 2018, at 7:33 AM, = Tina Tsou <tinatsou6@gmail.com> wrote:

Dear Gaurav,

Please scroll down to see the reply in line.

On = Tue, Feb 6, 2018 at 4:54 AM Gaurav Dawra <gdawra.ietf@gmail.com> wrote:
Thanks Beniot = for the comments.

Please see inline = [Gaurav]

> On Jan 11, 2018, at 1:30 AM, = Benoit Claise <bclaise@cisco.com> wrote:
>
> Benoit Claise has entered the following ballot position = for
> draft-ietf-spring-segment-routing-msdc-08: 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-spring-segment-rout= ing-msdc/
>
>
>
> = ----------------------------------------------------------------------
> COMMENT:
> = ----------------------------------------------------------------------
>
> OPS DIR review from Tina:
>
> I found this document well written to = be READY for publication as an
> informational = document.
>
> Some nits:
>
> 4.2 eBGP Labeled Unicast (RFC8277)
>
> Each node peers with its neighbors = via a eBGP session
>
> should be
>
> Each node peers with its neighbors = via an eBGP session
[Gaurav] Will address in next = revision.
>
> 7.  Addressing the = open problems
>
> the same could be = re-used in context of
>   other domains as = well
>
> A period is missing in the = end.
>
[Gaurav] ACK.

> Are the centralized controller and centralized agent the = same components?
[Gaurav]  Yes in this context.
>
> Even though the design in this = document is specified for same domain, it would
> be = useful to develop an approach for inter-domain without leaking = intra-domain
> topology and policy.
>> Have this feature been included or being aligned with = carrier grade FIB in
> FD.io VPP https://wiki.fd.io/view/VPP ?
> = [Gaurav] Apologies, which specific feature?
I meant the = technology described by this document.

At FD.io CSIT TOI meeting now, see = segment routing is on the list, but cannot find more detail whether msdc = is included.

Cheers,

Gaurav
>
> = _______________________________________________
> = spring mailing list
> spring@ietf.org
> https://www.ietf.org/mailman/listinfo/spring

-- 
Thank you, = Tina

= --Apple-Mail=_01B692A6-F398-45CD-B343-8AA95FA07815-- From nobody Wed Feb 14 20:48:03 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B0CF71270A3; Wed, 14 Feb 2018 20:48:01 -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 N85I-q5aCKDM; Wed, 14 Feb 2018 20:47:59 -0800 (PST) Received: from mail-pl0-x229.google.com (mail-pl0-x229.google.com [IPv6:2607:f8b0:400e:c01::229]) (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 4D89612025C; Wed, 14 Feb 2018 20:47:59 -0800 (PST) Received: by mail-pl0-x229.google.com with SMTP id 31so4299198ple.9; Wed, 14 Feb 2018 20:47:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=FuhhD1HcqAkULn5G+C6gleeGXcPatAPtSWiVyTwKbQ4=; b=W0qRScdgamp186YK0wWh4hBpUUtFYHUMhFxPJAuQeiXga6TRehjxDFBmiuq4PtnzZz aOZL0EqMJ8SLbmU9L2ucnrBI8oj9QRH6G31oDtjxLft40DeV9vAtfvEhQgMyO5qOqFcl 2De5jriG2+84w5/7M5wqJIPjPl8TgT8jrTuytLlKJoe8cfzKxgApwHpruwNm8n96GbuT eJlGy0CrVKnG1kbE2EX+shWa2jLQ9dqj8mAwgHrPgJ9kw+erbdCh9nnHtKX0XnM6+PD6 n2KwfymCZZuC49gwYylh9YrVfhb5iNL6M8wRXlJCrZF3eP/+ZvHBwI8Ap2HPSirS3y+y CkHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=FuhhD1HcqAkULn5G+C6gleeGXcPatAPtSWiVyTwKbQ4=; b=dJys735cY7f5nfdWuRsU2z0egb2DtzqjeMDZLvlLKNT1r26ij3jkvgCdc48wxx0+tp XQ2AVWbR0/Clw4GJq15/cnBgZ4sJI3DTyf2aK+OMRsH0xASGu1FK6RsQyj8EthWwiITC EHU9eLZrVVtgN+hRcrq/84tmJQ74gRwsVElIVTN2BP7Rjmil9rNhILKRlBviCVVgSGsa wAS3oF81aSaqzj6T6YmRQvKYdt4Pn4Uo03+1fGiB0gFaaVlqIQqLmO7Isr4J077y9JxQ MALm4ues4uFiXPmpY4CRjZ37ozvAYvUxhtkxTdTFXR1RvL+1qEk8nry0zZvVTsE4el1j kUgA== X-Gm-Message-State: APf1xPB36jKSiDBMBvRAn9yvQHxOEejMyRtcXW18PfyzoJTAKsTAyULd Bom3NoqDUD6omSuq35oc8QKyPTQt X-Google-Smtp-Source: AH8x226xwM4D+0q+KSw/a3YNdK7Jf2JbJ46ruygR/0zFVIcmFVXcITwPy5QxTIbkPGUki1bxUr/OoA== X-Received: by 2002:a17:902:ad05:: with SMTP id i5-v6mr1352960plr.139.1518670078754; Wed, 14 Feb 2018 20:47:58 -0800 (PST) Received: from ?IPv6:2620:119:5042:900::11b? ([2620:119:5042:900::11b]) by smtp.gmail.com with ESMTPSA id q14sm5091430pgq.2.2018.02.14.20.47.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Feb 2018 20:47:57 -0800 (PST) From: Gaurav Dawra Message-Id: <40ED2C86-3403-4D89-8CA8-FBB9651BF2AB@gmail.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_7D40B819-D99E-4361-ADB9-12F8AADFD83C" Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) Date: Wed, 14 Feb 2018 20:47:55 -0800 In-Reply-To: Cc: spring@ietf.org, tsv-art@ietf.org To: Martin Stiemerling References: X-Mailer: Apple Mail (2.3445.5.20) Archived-At: Subject: Re: [spring] TSV-ART review of draft-ietf-spring-segment-routing-msdc-08 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Feb 2018 04:48:02 -0000 --Apple-Mail=_7D40B819-D99E-4361-ADB9-12F8AADFD83C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hey Martin, Sorry for late reply. Please see some comments inline[Gaurav] > On Jan 9, 2018, at 2:25 PM, Martin Stiemerling = wrote: >=20 > Hi all, >=20 > I've reviewed this document as part of the transport area review = team's ongoing effort to review key IETF documents. These comments were = written primarily for the transport area directors, but are copied to = the document's authors for their information and to allow them to = address any issues raised. When done at the time of IETF Last Call, the = authors should consider this review together with any other last-call = comments they receive. Please always CC tsv-art@=E2=80=A6 if you reply = to or forward this review. >=20 > Summary: > This draft has serious issues in Section 7.1, 7.2 and in one part of = Section3, described in the review, and needs to be rethought. The other = sections are good AFAIK. >=20 >=20 > Technicals: > The overall draft looks ok, but the three points below look strange = and need a fix before publication IMHO: >=20 > Both Sections, 7.1. and 7.2., are describing ideas, but not well = proven funcationality and not even safe to use functionality. Both are = some sort discussing that different paths in the network could be used = by the end host traffic. This sounds pretty much like the Path Aware = Networking Proposed Research Group (https://irtf.org/panrg) and hints to = the fact that there is no commonly understand and accepted engineering = solution in this space. >=20 > Section 7.1: > [KANDULA04] is a really old reference that hasn't been followed up in = recent times and even worse there is no evidence that this is going to = work good enough or stable enough under real Internet traffic. = Additionally, it is more than unclear how any modern TCP implementation = will react to this [Gaurav] Will get back on this. >=20 > Section 7.2: > This section describes an idea without detailing too much about any = further aspects. Further it changes the commonly accepted notion of what = an end host can do with the network. At best this would require a good = definition of what an end host in your setting is, e.g., a highly = modified piece of (at least) software that usually not found in OS = availble on the market (yet?) > Further communicating instantaneous path characteristics to a central = point is potentially a bad idea, as the data is already outdated when = reported by any node. [Gaurav] I believe Authors are trying to highlight that Host which is = defined in = (https://tools.ietf.org/html/draft-ietf-spring-segment-routing-15 = ) can = influence the traffic based on the Calculations locally or jointly with = the controller. Implementations can decide how much Centralized -vs- = localized control is allowed at Host based on performance data = collection. >=20 > Section 3, 3rd bullet point: > It is the foundation of TCP that the network is regarded as a black = box and that you infer from the transmission of packets what the current = state of the network path is. Inferring network path metrics (you = mention SRTT, MSS, CWND ) is a bad idea, as this would required that all = paths exhibit this and if not what is going to happen? > It could be an interesting research field to change many points in = TCP's behavior, but this once again points to the fact that this not the = IETF works but IRTF or elsewhere. [Gaurav] Martin, Authors are trying to suggest that TCP is rightly = treating Network as Black Box. Authors are implying per path performance = metrics as not cached. Is there some change in text you are suggesting? Cheers, Gaurav >=20 > Kind regards, >=20 > Martin >=20 > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring --Apple-Mail=_7D40B819-D99E-4361-ADB9-12F8AADFD83C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hey = Martin,

Sorry for = late reply. Please see some comments inline[Gaurav]
On Jan = 9, 2018, at 2:25 PM, Martin Stiemerling <mls.ietf@gmail.com> = wrote:

Hi all,

I've reviewed this = document as part of the transport area review team's ongoing effort to = review key IETF documents. These comments were written primarily for the = transport area directors, but are copied to the document's authors for = their information and to allow them to address any issues raised. When = done at the time of IETF Last Call, the authors should consider this = review together with any other last-call comments they receive. Please = always CC tsv-art@=E2=80=A6 if you reply to or forward this review.

Summary:
This draft has serious = issues in Section 7.1, 7.2 and in one part of Section3, described in the = review, and needs to be rethought. The other sections are good AFAIK.


Technicals:
The = overall draft looks ok, but the three points below look strange and need = a fix before publication IMHO:

Both = Sections, 7.1. and 7.2., are describing ideas, but not well proven = funcationality and not even safe to use functionality. Both are some = sort discussing that different paths in the network could be used by the = end host traffic. This sounds pretty much like the Path Aware Networking = Proposed Research Group (https://irtf.org/panrg) and hints to the fact that there = is no commonly understand and accepted engineering solution in this = space.

Section 7.1:
[KANDULA04]= is a really old reference that hasn't been followed up in recent times = and even worse there is no evidence that this is going to work good = enough or stable enough under real Internet traffic. Additionally, it is = more than unclear how any modern TCP implementation will react to = this
[Gaurav] Will get back on = this.

Section 7.2:
This = section describes an idea without detailing too much about any further = aspects. Further it changes the commonly accepted notion of what an end = host can do with the network. At best this would require a good = definition of what an end host in your setting is, e.g., a highly = modified piece of (at least) software that usually not found in OS = availble on the market (yet?)
Further communicating = instantaneous path characteristics to a central point is potentially a = bad idea, as the data is already outdated when reported by any node.
[Gaurav] I believe Authors are = trying to highlight that Host which is defined in (https://tools.ietf.org/html/draft-ietf-spring-segment-routing-1= 5) can influence the traffic based on the Calculations locally or = jointly with the controller. Implementations can decide how much = Centralized -vs- localized control is allowed at Host based on = performance data collection.

Section 3, 3rd = bullet point:
It is the foundation of TCP that the network = is regarded as a black box and that you infer from the transmission of = packets what the current state of the network path is. Inferring network = path metrics (you mention SRTT, MSS, CWND ) is a bad idea, as this would = required that all paths exhibit this and if not what is going to = happen?
It could be an interesting research field to = change many points in TCP's behavior, but this once again points to the = fact that this not the IETF works but IRTF or elsewhere.
[Gaurav] Martin, Authors are trying = to suggest that TCP is rightly treating Network as Black Box. Authors = are implying per path performance metrics as not cached. Is there some = change in text you are suggesting?

Cheers,

Gaurav

Kind = regards,

 Martin

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= --Apple-Mail=_7D40B819-D99E-4361-ADB9-12F8AADFD83C-- From nobody Thu Feb 15 00:14:36 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7AC2A12426E; Wed, 14 Feb 2018 14:21:11 -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_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 gKe5bGso7KQi; Wed, 14 Feb 2018 14:21:09 -0800 (PST) Received: from rcdn-iport-9.cisco.com (rcdn-iport-9.cisco.com [173.37.86.80]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A9D7F1201FA; Wed, 14 Feb 2018 14:21:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=31650; q=dns/txt; s=iport; t=1518646868; x=1519856468; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=F88o5p5ttEyLs2YFfK/h+R7/YjbtK2PDVqtAOf8Q77w=; b=jRgpAJG86AzX5m3UhBdzutQ8rSqTfpFFaJ4QTMO0C+g6syg4PC9dKKpK MSdemPQb6cNhdrjF602mW4Y5xoYjGu0BZj5cOjA4/d7leMwvs6kgx82hN 7k6mx6KFUaqNbke4N8YeWNswlCYLd+sQrTbQnsib4lJIveJZ7Cc91Fmgo 4=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0AuAQDFtYRa/4UNJK1dGQEBAQEBAQE?= =?us-ascii?q?BAQEBAQcBAQEBAYJaeGZwKAqDW4okjgSBWyeBF4d/jkMVggMKGAEMhEdPAhq?= =?us-ascii?q?CY1QYAQIBAQEBAQECayiFIwEBAQMBAQEhCjoHCwULAgEIDgMDAQIBIAMEAwI?= =?us-ascii?q?CAh8GCxQJCAIEAQ0FiVFMAw0IELAMgieHRQ2BMoITAQEBAQEBAQEBAQEBAQE?= =?us-ascii?q?BAQEBAQEBHYUCghWBV4FoKQyCeYJrRAEBAQIBgTUFARIBPxYIglkxgjQFimw?= =?us-ascii?q?da44ziVM1CQKIHohahQsOghGGKot8jgJIiSICERkBgTsBHzlgVxEIcBU9KgG?= =?us-ascii?q?CGwmCTBwZgW14AYtDgSWBGQEBAQ?= X-IronPort-AV: E=Sophos;i="5.46,514,1511827200"; d="scan'208,217";a="349162208" Received: from alln-core-11.cisco.com ([173.36.13.133]) by rcdn-iport-9.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Feb 2018 22:21:02 +0000 Received: from XCH-ALN-010.cisco.com (xch-aln-010.cisco.com [173.36.7.20]) by alln-core-11.cisco.com (8.14.5/8.14.5) with ESMTP id w1EML2h2006843 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 14 Feb 2018 22:21:02 GMT Received: from xch-rcd-004.cisco.com (173.37.102.14) by XCH-ALN-010.cisco.com (173.36.7.20) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Wed, 14 Feb 2018 16:21:01 -0600 Received: from xch-rcd-004.cisco.com ([173.37.102.14]) by XCH-RCD-004.cisco.com ([173.37.102.14]) with mapi id 15.00.1320.000; Wed, 14 Feb 2018 16:21:01 -0600 From: "Pablo Camarillo (pcamaril)" To: Gaurav Dawra , Tina Tsou CC: "Benoit Claise (bclaise)" , The IESG , Tina Tsou , Alvaro Retana , "Bruno Decraene" , "draft-ietf-spring-segment-routing-msdc@ietf.org" , "spring@ietf.org" , "spring-chairs@ietf.org" Thread-Topic: [spring] Benoit Claise's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) Thread-Index: AQHTir7pahUW3MqR6EGCnq3W7xdppaOX4lsAgAAsSYCACZPjgIADgYGA Date: Wed, 14 Feb 2018 22:21:01 +0000 Message-ID: References: <151566303970.12739.2150770765764492742.idtracker@ietfa.amsl.com> <0471BC25-9546-4454-BCA2-3FA473B81C06@gmail.com> In-Reply-To: <0471BC25-9546-4454-BCA2-3FA473B81C06@gmail.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: [10.61.161.171] Content-Type: multipart/alternative; boundary="_000_E68648F621A64441BC1D609AF8B0A1FDciscocom_" MIME-Version: 1.0 Archived-At: X-Mailman-Approved-At: Thu, 15 Feb 2018 00:14:34 -0800 Subject: Re: [spring] Benoit Claise's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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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 UYOhykoXD8Rl; Wed, 14 Feb 2018 15:48:13 -0800 (PST) Received: from mail-ot0-x231.google.com (mail-ot0-x231.google.com [IPv6:2607:f8b0:4003:c0f::231]) (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 E3447126C22; Wed, 14 Feb 2018 15:48:12 -0800 (PST) Received: by mail-ot0-x231.google.com with SMTP id w10so8427351ote.13; Wed, 14 Feb 2018 15:48:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=MHcHtGfnV9LvmpqgGMXk5TTbZK7sko7dlRXFaqr5B+U=; b=YULGYb6bB8B+APeoAxqfzuBYSIpBvmPksufckz8jhX8HYaso0lU39QywcQBNRyCHX7 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X-Google-Smtp-Source: AH8x224jOfwMIGl3xFFIwr4D/g3rO3788Iau/BwTAIECA/3MJ71rgz3TjQNM/klpYeyjczaEpMKn94P3puWwxGwYV6Y= X-Received: by 10.157.24.103 with SMTP id t36mr545566ott.281.1518652091924; Wed, 14 Feb 2018 15:48:11 -0800 (PST) MIME-Version: 1.0 References: <151566303970.12739.2150770765764492742.idtracker@ietfa.amsl.com> <0471BC25-9546-4454-BCA2-3FA473B81C06@gmail.com> In-Reply-To: From: Tina Tsou Date: Wed, 14 Feb 2018 23:48:01 +0000 Message-ID: To: "Pablo Camarillo (pcamaril)" Cc: Alvaro Retana , "Benoit Claise (bclaise)" , Bruno Decraene , Gaurav Dawra , The IESG , Tina Tsou , "draft-ietf-spring-segment-routing-msdc@ietf.org" , "spring-chairs@ietf.org" , "spring@ietf.org" Content-Type: multipart/alternative; boundary="001a1142d9ba7a06d4056534be78" Archived-At: X-Mailman-Approved-At: Thu, 15 Feb 2018 00:14:34 -0800 Subject: Re: [spring] Benoit Claise's No Objection on draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Feb 2018 23:48:15 -0000 --001a1142d9ba7a06d4056534be78 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear Pablo, Thanks for the update. I will keep an eye on the CSIT process. On Wed, Feb 14, 2018 at 2:21 PM Pablo Camarillo (pcamaril) < pcamaril@cisco.com> wrote: > Hello Tina, > > > > VPP has data-plane support for SR both over MPLS[1] and IPv6 [2]. > > Regarding support for BGP-Prefix-SID, well since VPP does not have a > routing stack, it does not support BGP at all. That said, I=E2=80=99m wel= l aware of > several ongoing opensource projects that are trying to get a control plan= e > to VPP where the BGP-Prefix-SID most likely will be introduced. > > > > The CSIT project is related to automated performance measurement for VPP. > I=E2=80=99m working with the CSIT team to get all the SR code tested in C= SIT. > > > > Thank you. > > > > Cheers, > > Pablo. > > > > [1]. https://docs.fd.io/vpp/18.04/srmpls_doc.html > > [2]. https://docs.fd.io/vpp/18.04/srv6_doc.html > > > > *From: *Gaurav Dawra > *Date: *Monday, 12 February 2018 at 18:48 > *To: *Tina Tsou > *Cc: *"Benoit Claise (bclaise)" , The IESG < > iesg@ietf.org>, Tina Tsou , Alvaro Retana < > aretana.ietf@gmail.com>, Bruno Decraene , " > draft-ietf-spring-segment-routing-msdc@ietf.org" < > draft-ietf-spring-segment-routing-msdc@ietf.org>, "spring@ietf.org" < > spring@ietf.org>, "spring-chairs@ietf.org" , > "Pablo Camarillo (pcamaril)" > *Subject: *Re: [spring] Benoit Claise's No Objection on > draft-ietf-spring-segment-routing-msdc-08: (with COMMENT) > > > > Tina, > > > > I am adding Pablo. He will respond to below comment. > > > > Cheers, > > > > Gaurav > > > > On Feb 6, 2018, at 7:33 AM, Tina Tsou wrote: > > > > Dear Gaurav, > > > > Please scroll down to see the reply in line. > > > > On Tue, Feb 6, 2018 at 4:54 AM Gaurav Dawra wrote= : > > Thanks Beniot for the comments. > > Please see inline [Gaurav] > > > On Jan 11, 2018, at 1:30 AM, Benoit Claise wrote: > > > > Benoit Claise has entered the following ballot position for > > draft-ietf-spring-segment-routing-msdc-08: 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-spring-segment-routing-msdc= / > > > > > > > > ---------------------------------------------------------------------- > > COMMENT: > > ---------------------------------------------------------------------- > > > > OPS DIR review from Tina: > > > > I found this document well written to be READY for publication as an > > informational document. > > > > Some nits: > > > > 4.2 eBGP Labeled Unicast (RFC8277) > > > > Each node peers with its neighbors via a eBGP session > > > > should be > > > > Each node peers with its neighbors via an eBGP session > [Gaurav] Will address in next revision. > > > > 7. Addressing the open problems > > > > the same could be re-used in context of > > other domains as well > > > > A period is missing in the end. > > > [Gaurav] ACK. > > > Are the centralized controller and centralized agent the same component= s? > [Gaurav] Yes in this context. > > > > Even though the design in this document is specified for same domain, i= t > would > > be useful to develop an approach for inter-domain without leaking > intra-domain > > topology and policy. > > > > Have this feature been included or being aligned with carrier grade FIB > in > > FD.io VPP https://wiki.fd.io/view/VPP ? > > [Gaurav] Apologies, which specific feature? > > I meant the technology described by this document. > > > > At FD.io CSIT TOI meeting now, see segment routing is on > the list, but cannot find more detail whether msdc is included. > > > Cheers, > > Gaurav > > > > _______________________________________________ > > spring mailing list > > spring@ietf.org > > https://www.ietf.org/mailman/listinfo/spring > > -- > > Thank you, Tina > > > > -- Thank you, Tina --001a1142d9ba7a06d4056534be78 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Pablo,

Thanks = for the update.

I will k= eep an eye on the CSIT process.

On Wed, Feb 14, 2018 at 2:21 PM Pablo Camarillo (pcamaril) <pcamaril@cisco.com> wrote:
<= blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px= #ccc solid;padding-left:1ex">

Hello Tina,

=C2=A0

VPP has data-plane support for= SR both over MPLS[1] and IPv6 [2].

Regarding support for BGP-Pref= ix-SID, well since VPP does not have a routing stack, it does not support B= GP at all. That said, I=E2=80=99m well aware of several ongoing opensource projects that are try= ing to get a control plane to VPP where the BGP-Prefix-SID most likely will= be introduced.

=C2=A0

The CSIT project is related to= automated performance measurement for VPP. I=E2=80=99m working with the CS= IT team to get all the SR code tested in CSIT.

=C2=A0

Thank you.

=C2=A0

Cheers,

Pablo.

=C2=A0

[1]. https://docs.fd.io/vpp/18= .04/srmpls_doc.html

[2]. https://docs.fd.io/vpp/18.0= 4/srv6_doc.html

=C2=A0

From: Gaur= av Dawra <gda= wra.ietf@gmail.com>
Date: Monday, 12 February 2018 at 18:48
To: Tina Tsou <tinatsou6@gmail.com>
Cc: "Benoit Claise (bclaise)" <bclaise@cisco.com>, The IESG <iesg@ietf.org>, Tina = Tsou <tina.tsou@a= rm.com>, Alvaro Retana <aretana.ietf@gmail.com>, Bruno Decraene <bruno.decraene@or= ange.com>, "draft-ietf-spring-segment-routing-msdc@ie= tf.org" <draft-ietf-spring-segment-routing-msdc@ietf.= org>, "spring@ietf.org= " <spring@= ietf.org>, "spring-chairs@ietf.org" <spring-chairs@ietf.org>, "Pablo = Camarillo (pcamaril)" <pcamaril@cisco.com>
Subject: Re: [spring] Benoit Claise's No Objection on draft-ietf= -spring-segment-routing-msdc-08: (with COMMENT)

=C2=A0

=C2=A0

I am adding Pablo. He will respond to below comment.

=C2=A0

Cheers,

=C2=A0

Gaurav



On Feb 6, 2018, at 7:33 AM, Tina Tsou <tinats= ou6@gmail.com> wrote:

=C2=A0

Dear G= aurav,

=C2=A0

Please= scroll down to see the reply in line.

=C2=A0

On Tue= , Feb 6, 2018 at 4:54 AM Gaurav Dawra <gdawra.ietf@gmail.= com> wrote:

Thanks= Beniot for the comments.

Please see inline [Gaurav]

> On Jan 11, 2018, at 1:30 AM, Benoit Claise <bclaise@ci= sco.com> wrote:
>
> Benoit Claise has entered the following ballot position for
> draft-ietf-spring-segment-routing-msdc-08: No Objection
>
> When responding, please keep the subject line intact and reply to all<= br> > email addresses included in the To and CC lines. (Feel free to cut thi= s
> introductory paragraph, however.)
>
>
> Please refer to=C2=A0https://www.i= etf.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: >=C2=A0https://datatr= acker.ietf.org/doc/draft-ietf-spring-segment-routing-msdc/
>
>
>
> ----------------------------------------------------------------------=
> COMMENT:
> ----------------------------------------------------------------------=
>
> OPS DIR review from Tina:
>
> I found this document well written to be READY for publication as an > informational document.
>
> Some nits:
>
> 4.2 eBGP Labeled Unicast (RFC8277)
>
> Each node peers with its neighbors via a eBGP session
>
> should be
>
> Each node peers with its neighbors via an eBGP session
[Gaurav] Will address in next revision.
>
> 7.=C2=A0 Addressing the open problems
>
> the same could be re-used in context of
>=C2=A0 =C2=A0other domains as well
>
> A period is missing in the end.
>
[Gaurav] ACK.

> Are the centralized controller and centralized agent the same componen= ts?
[Gaurav]=C2=A0 Yes in this context.
>
> Even though the design in this document is specified for same domain, = it would
> be useful to develop an approach for inter-domain without leaking intr= a-domain
> topology and policy.
>
> Have this feature been included or being aligned with carrier grade FI= B in
> FD.io VPP=C2=A0<= span>https://wiki.fd.io/view/VPP<= span>=C2=A0?
> [Gaurav] Apologies, which specific feature?

I mean= t the technology described by this document.

=C2=A0

At=C2=A0FD.io<= /span>=C2=A0CSIT TOI meeting now, see segment routing is on the list, but cannot find more = detail whether msdc is included.


Cheers,

Gaurav
>
> _______________________________________________
> spring mailing list
>=C2=A0= spring@ietf.org
>=C2=A0https://www.ietf.org/mailman/listinfo/spri= ng

--=C2=A0=

Thank you, Tina



--
Thank you, Tina
--001a1142d9ba7a06d4056534be78-- From nobody Sat Feb 17 18:28:33 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DFB36126C22; Sat, 17 Feb 2018 18:28:30 -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, UNPARSEABLE_RELAY=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 kgfQFFO59YHj; Sat, 17 Feb 2018 18:28:29 -0800 (PST) Received: from mail-ot0-x241.google.com (mail-ot0-x241.google.com [IPv6:2607:f8b0:4003:c0f::241]) (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 25DEC1201FA; Sat, 17 Feb 2018 18:28:29 -0800 (PST) Received: by mail-ot0-x241.google.com with SMTP id 79so5891091oth.11; Sat, 17 Feb 2018 18:28:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:in-reply-to:references:mime-version:date:message-id:subject:to :cc; bh=qcdJ3+zJu8Bz5JRyQB0HsoVLIuYpkUSgBMcyJCCkc+M=; b=SSQkQrSa5O+JuEPwoVbLQ8k8pTDUn8NqEtIEK1HMIBpucIVy1qLwD/GRvhTDFLn/Q2 iHEDbIQXz+zVFLUGDB3TODgiOTQRFvEmYMGLoFCtPhkCVHTHKB1Ej+t3L7w8eJVhNcGU T0bU6BdsOpnom4mtkeDdW02iGXFhV/BvbJ8A5s8leRq3ccxnnG4rdeZ5rdbMByqJwT+3 Ov7VhfNnV3H3yIZY49EM9joB9ygNGxvBE8GU+hKxNM3V9KGFxykLJm0TvnyAqVprJrNK RT7+8lzxQIDT3LDIOrTz6iT7SGnmsHOLjxHxAinyG+1CujWMH84iTULPr4wDdKQ1oUFP nHcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:in-reply-to:references:mime-version:date :message-id:subject:to:cc; bh=qcdJ3+zJu8Bz5JRyQB0HsoVLIuYpkUSgBMcyJCCkc+M=; b=rZ+1+EzAdKU++zukJnU9CLOIii4dxwtd+1dwrk50fDfV/iQgfsd1SlhQiZoqmgZ02p Fop0tvKIWl4ZT51IDa2GL9jpvHpHjeL5GNdkAnwGSsczoQ91oZyRX1tzJfR7V8fXFstE L5fb+BQhqh/aCTD0sEzZ4pO4ZCcCGvW8gR9tQ6qx9Wa+J7j4HsFVOTazGsb6TdZRxXig 7pTMXy38eNhpkydVlEcoVlpKLYYCXX4AZJxLREkeRdzVu64LEyL0r2VVrf4i6L4bRnl9 JRxEJeusUmDzjv7bo7Dvke5nd7jNP38W5myWvskBwjrL57CZMfW3LMe5QIhnpeBqqRAB pIiA== X-Gm-Message-State: APf1xPCQ8VdwxevQFy6B1W5kyODOV1oCEGboToTksaLlIb9Y8ot7a5EP M5K4HMre/oZWnmZyzGvOrveXCPbWXUGAlszjxuc= X-Google-Smtp-Source: AH8x224DuswdSdQbQmTwbOuMU56QgRL8U/5/jSnH74RotlK8HGs9KMXLqPC2FX6T3BN3CgMfWs5olGsI+mjoSJjhjoo= X-Received: by 10.157.51.87 with SMTP id u23mr8324902otd.26.1518920908540; Sat, 17 Feb 2018 18:28:28 -0800 (PST) Received: from 895490483151 named unknown by gmailapi.google.com with HTTPREST; Sat, 17 Feb 2018 21:28:28 -0500 From: Alvaro Retana In-Reply-To: References: X-Mailer: Airmail iOS (343) MIME-Version: 1.0 Date: Sat, 17 Feb 2018 21:28:27 -0500 Message-ID: To: Gaurav Dawra , spring@ietf.org Cc: "gdawra.ietf@gmail.com" , spring-chairs@ietf.org, spring-ads@ietf.org Content-Type: multipart/alternative; boundary="001a113d27ec320e6605657355fc" Archived-At: Subject: Re: [spring] SPRING WG X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Feb 2018 02:28:31 -0000 --001a113d27ec320e6605657355fc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Gaurav: First of all, thank you for your eagerness to serve! Dear WG: As I=E2=80=99m sure everyone already knows, Martin has been selected by the= nomcom to serve as Routing Area Director [1]. He will start his new job during IETF 101. Yes, Martin will not continue as spring co-Chair once he becomes an AD. The other RTG ADs (including Martin), Bruno and I have already started our work to select a replacement. We expect to come to a decision soon, certainly before the meeting in London. To be clear, Chairs are not elected by the WG, the selection is at the discretion of the AD [rfc2418]. If anyone wants to talk about the process, please contact me directly. Thanks! Alvaro. [1] https://www.ietf.org/blog/nomcom-2017-2018-announcement-nomcom-selections/?= primary_topic=3D5& On February 17, 2018 at 4:22:34 PM, Gaurav Dawra (gdawra@linkedin.com) wrote: > Hi, Spring WG, > > We have heard that position for SPRING Co-Chair may be coming open soon. > If that's the case and if SPRING WG is looking to elect another Co-Chair,= I > would like to volunteer to put forward my nomination. > > I have been involved in SR for several years and have co-authored several > drafts already =E2=80=93 I am well versed with the operator, vendor and t= echnology > requirements and would like to volunteer to help to move the WG charter > forward. > > Cheers, > > Gaurav > > Sent from Outlook for iOS > > --001a113d27ec320e6605657355fc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Gaurav: First of all, thank yo= u for your eagerness to serve!


Dear W= G:

As I=E2=80=99m sure everyone already knows, Mar= tin has been selected by the nomcom to serve as Routing Area Director [1].= =C2=A0 He will start his new job during IETF 101.=C2=A0 Yes, Martin will no= t continue as spring co-Chair once he becomes an AD.

The other RTG ADs (including Martin), Bruno and I have already started o= ur work to select a replacement.=C2=A0 We expect to come to a decision soon= , certainly before the meeting in London. =C2=A0 To be clear, Chairs are no= t elected by the WG, the selection is at the discretion of the AD [rfc2418]= .

If anyone wants to talk about the process, pleas= e contact me directly.

Thanks!

Alvaro.


On = February 17, 2018 at 4:22:34 PM, Gaurav Dawra (gdawra@linkedin.com) wrote:

Hi, Spring WG,

We have heard that position for SPRING Co-Chair may be coming open soon. If that's the case and if SPRING WG is looking to elect another Co-Chair, I would like to volunteer to put forward my nomination.

I have been involved in SR for several years and have co-authored several drafts already =E2=80=93 I am well versed with the operator, vendor and technology requirements and would like to volunteer to help to move the WG charter forward.

Cheers,

Gaurav

Sent from Ou= tlook for iOS



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s12mr2357519otd.304.1519216854345; Wed, 21 Feb 2018 04:40:54 -0800 (PST) Received: from 1058052472880 named unknown by gmailapi.google.com with HTTPREST; Wed, 21 Feb 2018 07:40:53 -0500 From: Alvaro Retana X-Mailer: Airmail (467) MIME-Version: 1.0 Date: Wed, 21 Feb 2018 07:40:53 -0500 Message-ID: To: SPRING WG Content-Type: multipart/alternative; boundary="001a11417fb2f0aaf70565b83cc2" Archived-At: Subject: [spring] New spring WG Co-Chair X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Feb 2018 12:40:56 -0000 --001a11417fb2f0aaf70565b83cc2 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear spring WG: As all of you already know, Martin has been selected as a Routing AD starting next month at IETF 101 in London. He will step down as spring co-chair then. Martin: thank you for the focused effort you have dedicated to this WG =E2=80=94 we all look forward to working with you in your new ro= le. Congratulations! In consultation with Bruno and the other ADs, we have asked Rob Shakir to take on the role of spring Co-Chair. Rob currently works at Google and has been a long time participant in the IETF. I am adding Rob as a third Chair to facilitate the transition. The expectation is that he will fully take over for Martin at IETF 101. Welcome Rob! Rob can be reached at robjs@google.com. Thanks! Alvaro. --001a11417fb2f0aaf70565b83cc2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =
Dear spring WG= :

As all of = you already know, Martin has been selected as a Routing AD starting next mo= nth at IETF 101 in London.=C2=A0 He will step down as spring co-chair then.= =C2=A0 Martin: thank you for the focused effort you have dedicated to this = WG =E2=80=94 we all look forward to working with you in your new role.=C2= =A0 Congratulations!

In consultation with Bruno and the other ADs, we have asked Rob S= hakir to take on the role of spring Co-Chair.=C2=A0 Rob currently works at = Google and has been a long time participant in the IETF.

I am adding Rob as a third Cha= ir to facilitate the transition.=C2=A0 The expectation is that he will full= y take over for Martin at IETF=C2=A0101.=C2=A0 Welcome Rob!

Rob can be reached at=C2=A0robjs@google.com.

=
Thanks!

Alvaro.
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b=cEUWoTPDCuGeO5PtVKENpIwHJj8NofacqwgxYILvY0ZMdYGWE5eNrgdwOlP64v0Uul 5+baax9uf0lSgE2rqYk/iJqt++CTXZ9UBvu5ga8Ft3n0BJiOaM49Eh3GiDiBqhxikBgr fHxQeRnTicZIcTg1CIDCe3CZRCyc4Y41LsUsX9V2x9qm5I8zccA05Z10RZxIJzXgyks3 B/Glau2JkjBT73ZYXZgd0grNPz4gpaaMOnZyhaCg6OzTCwdEBeJtu1s8CyP0JDuGL3Sa 9THdaKGCQZ+lXQUY9Yu3Z0t1x2a6wk9WXZcFL7c5eFk5z1CxO7h1ceQAoQORRfxCuOjG IH5w== X-Gm-Message-State: APf1xPDyCeNCuqgqiynJbCATkHOV3e+tpL3577nGfBRpT/WDiwQtG0sD DyX/m3dOK4VMgkoce/liivNuKT9Zogq9Swy4/O7xTw== X-Google-Smtp-Source: AH8x224RP+djBJyzfIlCFZmocRtfpE/pcqZODSjHE9unJcmzE0aQjxsAIw7xpV++HvMecsohawNZmuBqzFmgq4FUtak= X-Received: by 10.202.95.215 with SMTP id t206mr3078199oib.264.1519244435457; Wed, 21 Feb 2018 12:20:35 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Rob Shakir Date: Wed, 21 Feb 2018 20:20:24 +0000 Message-ID: To: "Henderickx, Wim (Nokia - BE/Antwerp)" Cc: Alvaro Retana , SPRING WG Content-Type: multipart/alternative; boundary="001a113cd072e71fbc0565bea8b6" Archived-At: Subject: Re: [spring] New spring WG Co-Chair X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Feb 2018 20:20:38 -0000 --001a113cd072e71fbc0565bea8b6 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks Alvaro and Wim =E2=80=94 looking forward to helping progress SPRING = :-) r. On Wed, Feb 21, 2018 at 11:54 Henderickx, Wim (Nokia - BE/Antwerp) < wim.henderickx@nokia.com> wrote: > Welcome on board Rob > > > > *From: *spring on behalf of Alvaro Retana < > aretana.ietf@gmail.com> > *Date: *Wednesday, 21 February 2018 at 13:41 > *To: *SPRING WG > *Subject: *[spring] New spring WG Co-Chair > > > > Dear spring WG: > > > > As all of you already know, Martin has been selected as a Routing AD > starting next month at IETF 101 in London. He will step down as spring > co-chair then. Martin: thank you for the focused effort you have dedicat= ed > to this WG =E2=80=94 we all look forward to working with you in your new = role. > Congratulations! > > > > In consultation with Bruno and the other ADs, we have asked Rob Shakir to > take on the role of spring Co-Chair. Rob currently works at Google and h= as > been a long time participant in the IETF. > > > > I am adding Rob as a third Chair to facilitate the transition. The > expectation is that he will fully take over for Martin at IETF 101. > Welcome Rob! > > > > Rob can be reached at robjs@google.com. > > > > Thanks! > > > > Alvaro. > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > --001a113cd072e71fbc0565bea8b6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks Alvaro and Wim =E2=80=94 looking forward to helping progress SPRING = :-)

r.
On Wed, Feb 2= 1, 2018 at 11:54 Henderickx, Wim (Nokia - BE/Antwerp) <wim.henderickx@nokia.com> wrote:

Welcome on board Rob<= /u>

=C2=A0

From: spring <spring-bounces@ietf.o= rg> on behalf of Alvaro Retana <aretana.ietf@gmail.com>
Date: Wednesday, 21 February 2018 at 13:41
To: SPRING WG <spring@ietf.org>
Subject: [spring] New spring WG Co-Chair

=C2=A0

=C2=A0

As all of you already know, Martin has bee= n selected as a Routing AD starting next month at IETF 101 in London.=C2=A0= He will step down as spring co-chair then.=C2=A0 Martin: thank you for the fo= cused effort you have dedicated to this WG =E2=80=94 we all look forward to= working with you in your new role.=C2=A0 Congratulations!

=C2=A0

In consultation with Bruno and the other A= Ds, we have asked Rob Shakir to take on the role of spring Co-Chair.=C2=A0 = Rob currently works at Google and has been a long time participant in the IETF= .

=C2=A0

I am adding Rob as a third Chair to facili= tate the transition.=C2=A0 The expectation is that he will fully take over = for Martin at IETF=C2=A0101.=C2=A0 Welcome Rob!

=C2=A0

Rob can be reached at=C2=A0<= a href=3D"mailto:robjs@google.com" target=3D"_blank">robjs@google.com= .

=C2=A0

Thanks!

=C2=A0

Alvaro.

_______________________________________________
spring mailing list
spring@ietf.org https://www.ietf.org/mailman/listinfo/spring
--001a113cd072e71fbc0565bea8b6-- From nobody Wed Feb 21 12:25:59 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 13F8612DA00 for ; Wed, 21 Feb 2018 12:25:58 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.698 X-Spam-Level: X-Spam-Status: No, score=-2.698 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, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_LOW=-0.7, 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 yFXFs5qb00Xr for ; Wed, 21 Feb 2018 12:25:56 -0800 (PST) Received: from mail-io0-x233.google.com (mail-io0-x233.google.com [IPv6:2607:f8b0:4001:c06::233]) (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 2DC4412D94A for ; Wed, 21 Feb 2018 12:25:56 -0800 (PST) Received: by mail-io0-x233.google.com with SMTP id z6so3496539iob.11 for ; Wed, 21 Feb 2018 12:25:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :references:in-reply-to:mime-version; bh=I8JMbyj/RaQbgml3A+fQ9ean6yw8WPbD2ZcwmgjivY4=; b=ZbJERFfEby/Rpl/VysxwBGzJGAJAEgvuu7RJmigV86koe1CszTjey4VHr1H7anoRmG AnjzixpbKx8c8mSwLKTg/3oKJB2R0qnAJ9gMYKvxvHPtLRCQF6C6j0cXfg+kxd15ub2f Zeow26GFWmmgXnRdSf2JLuBTpSsgcqCK77jUSeA9GjmWlFnYhZULThy+0UYcF2ZDQJmO tZkFoa6hjId7vGsBoeJozqMkDfdHlSo4W05z1CO3AFqaGSJxjDeNyqbie5ph0Sx1Nr56 k/bUg2QF74fMgWGzPx7OIayjbxC7EfBmSguEIXa+X2ICyJpJg7WZghnKbsMR8XUQS1uD VXFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:references:in-reply-to:mime-version; bh=I8JMbyj/RaQbgml3A+fQ9ean6yw8WPbD2ZcwmgjivY4=; b=L9kJKUQ2OS6Jsq+Tjq5JZPcPTCnfe48g0hmyOLEgxOWp5Hr1oEVzLnEn6S+xMA5Q1u ngEHrFFmuBWjaCq4I6Kcq/LPzQAFsU4GKfZPbaCTRF9jDcQWv7PjIYq1ErJtswUxBVX7 Qv4OgzUoZEKQar3Wvun5UYjo1Ljr7lTdbONgvQOF1bcoshiu6XgrFVk/muB3XDxIMbsq FO2QpCrD7AMMgUwd9zPMqVen1GXK7UyCuBhtKJ0TothnpqJH6yMRdSCNKtgUQCM+M+hb RIUJAdQHefgjT/TDKm7WGDdqQrQep1lBt7xNgHnpedRNdP3Hp6B2gSYZ2AlfO1Cqo2VD 3C4g== X-Gm-Message-State: APf1xPCz+BRt6OaGpvJ1sJrFrTJJuyGT1JXRcN+LKWDgx8t8te1TQzzQ +nFZtfowYAzhg8sl/n/4XdM= X-Google-Smtp-Source: AH8x2270lrQeoWdzIv/E3SQGJCDXKemTR/tJrLH0qhTCWvZd64q2+cKfPA/UhzTCfCmGDvVXLU9i6w== X-Received: by 10.107.8.2 with SMTP id 2mr5582490ioi.167.1519244755536; Wed, 21 Feb 2018 12:25:55 -0800 (PST) Received: from [199.187.223.99] ([2620:0:ce0:101:8b7:3011:e338:30a6]) by smtp.gmail.com with ESMTPSA id w78sm26286602iod.25.2018.02.21.12.25.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 21 Feb 2018 12:25:55 -0800 (PST) User-Agent: Microsoft-MacOutlook/10.a.0.180210 Date: Wed, 21 Feb 2018 15:25:53 -0500 From: Jeff Tantsura To: Rob Shakir CC: SPRING WG , Alvaro Retana Message-ID: Thread-Topic: [spring] New spring WG Co-Chair References: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3602071554_1513343109" Archived-At: Subject: Re: [spring] New spring WG Co-Chair X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Feb 2018 20:25:58 -0000 > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3602071554_1513343109 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable Martin =E2=80=93 thank you for the great work and congratulations!=20 =20 Rob =E2=80=93 welcome, grand to see you coming in, looking forward to continuing = our great =C2=A0and fruitful cooperation! Jeff From: spring on behalf of Alvaro Retana Date: Wednesday, 21 February 2018 at 13:41 To: SPRING WG Subject: [spring] New spring WG Co-Chair =20 Dear spring WG: =20 As all of you already know, Martin has been selected as a Routing AD starti= ng next month at IETF 101 in London. He will step down as spring co-chair t= hen. Martin: thank you for the focused effort you have dedicated to this WG= =E2=80=94 we all look forward to working with you in your new role. Congratulati= ons! =20 In consultation with Bruno and the other ADs, we have asked Rob Shakir to t= ake on the role of spring Co-Chair. Rob currently works at Google and has b= een a long time participant in the IETF. =20 I am adding Rob as a third Chair to facilitate the transition. The expecta= tion is that he will fully take over for Martin at IETF 101. Welcome Rob! =20 Rob can be reached at robjs@google.com. =20 Thanks! =20 Alvaro. _______________________________________________ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list spring@= ietf.org https://www.ietf.org/mailman/listinfo/spring=20 --B_3602071554_1513343109 Content-type: text/html; charset="UTF-8" Content-transfer-encoding: quoted-printable

Martin =E2=80=93 thank you for the great work and congra= tulations!

 

Rob =E2=80=93 welcome, grand to see you coming in, looking forward to con= tinuing our great =C2=A0and fruitful cooperation!

Jeff

=

From: spring <= ;spri= ng-bounces@ietf.org> on behalf of Alvaro Retana <<= a href=3D"mailto:aretana.ietf@gmail.com" target=3D"_blank">aretana.ietf@gmail.co= m>
Date: Wednesday, 21 February 2018 at 13:41
To: <= /b>SPRING WG <spring@ietf.org>
Subject: [spring] New spring WG Co-C= hair

 

 

<= div id=3D"m_3847341409673886432bloop_customfont">

As all of you already know, Martin has been selected as a Routing AD = starting next month at IETF 101 in London.  He will step down as spring= co-chair then.  Martin: thank you for the focused effort you have dedi= cated to this WG =E2=80=94 we all look forward to working with you in your new rol= e.  Congratulations!

 

In consultation with Bruno and the other ADs, we have ask= ed Rob Shakir to take on the role of spring Co-Chair.  Rob currently wo= rks at Google and has been a long time participant in the IETF.<= /o:p>

 

I am adding Rob as = a third Chair to facilitate the transition.  The expectation is that he= will fully take over for Martin at IETF 101.  Welcome Rob!=

=

 

Rob can be re= ached at robjs@google.com.

 

Thanks!

 <= /o:p>

Alvaro.

____= ___________________________________________
spring mailing list
spring@ietf.org
https://www.ietf.org/mailman/listin= fo/spring

=

______= _________________________________________ spring mailing list spring@ietf.or= g https://www.ietf.org/mailman/listinfo/spring

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([2601:646:8b03:d12c:3d56:b19a:e970:b05f]) by smtp.gmail.com with ESMTPSA id y2sm5264375pgv.6.2018.02.21.18.40.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 21 Feb 2018 18:40:58 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-6C086A74-0369-4DDA-ACCF-A97F6025EB5F Mime-Version: 1.0 (1.0) From: Gaurav Dawra X-Mailer: iPhone Mail (15C114) In-Reply-To: <40ED2C86-3403-4D89-8CA8-FBB9651BF2AB@gmail.com> Date: Wed, 21 Feb 2018 18:40:57 -0800 Cc: spring@ietf.org, tsv-art@ietf.org Content-Transfer-Encoding: 7bit Message-Id: <13ED46D1-155A-4E1D-A0A1-01C9F6415E5C@gmail.com> References: <40ED2C86-3403-4D89-8CA8-FBB9651BF2AB@gmail.com> To: Martin Stiemerling Archived-At: Subject: Re: [spring] TSV-ART review of draft-ietf-spring-segment-routing-msdc-08 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Feb 2018 02:41:01 -0000 --Apple-Mail-6C086A74-0369-4DDA-ACCF-A97F6025EB5F Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Folks, Friendly reminder on the feedback. Cheers, Gaurav Sent from my iPhone > On Feb 14, 2018, at 8:47 PM, Gaurav Dawra wrote: >=20 > Hey Martin, >=20 > Sorry for late reply. Please see some comments inline[Gaurav] >=20 >> On Jan 9, 2018, at 2:25 PM, Martin Stiemerling wrote= : >>=20 >> Hi all, >>=20 >> I've reviewed this document as part of the transport area review team's o= ngoing effort to review key IETF documents. These comments were written prim= arily for the transport area directors, but are copied to the document's aut= hors for their information and to allow them to address any issues raised. W= hen done at the time of IETF Last Call, the authors should consider this rev= iew together with any other last-call comments they receive. Please always C= C tsv-art@=E2=80=A6 if you reply to or forward this review. >>=20 >> Summary: >> This draft has serious issues in Section 7.1, 7.2 and in one part of Sect= ion3, described in the review, and needs to be rethought. The other sections= are good AFAIK. >>=20 >>=20 >> Technicals: >> The overall draft looks ok, but the three points below look strange and n= eed a fix before publication IMHO: >>=20 >> Both Sections, 7.1. and 7.2., are describing ideas, but not well proven f= uncationality and not even safe to use functionality. Both are some sort dis= cussing that different paths in the network could be used by the end host tr= affic. This sounds pretty much like the Path Aware Networking Proposed Resea= rch Group (https://irtf.org/panrg) and hints to the fact that there is no co= mmonly understand and accepted engineering solution in this space. >>=20 >> Section 7.1: >> [KANDULA04] is a really old reference that hasn't been followed up in rec= ent times and even worse there is no evidence that this is going to work goo= d enough or stable enough under real Internet traffic. Additionally, it is m= ore than unclear how any modern TCP implementation will react to this > [Gaurav] Will get back on this. >>=20 >> Section 7.2: >> This section describes an idea without detailing too much about any furth= er aspects. Further it changes the commonly accepted notion of what an end h= ost can do with the network. At best this would require a good definition of= what an end host in your setting is, e.g., a highly modified piece of (at l= east) software that usually not found in OS availble on the market (yet?) >> Further communicating instantaneous path characteristics to a central poi= nt is potentially a bad idea, as the data is already outdated when reported b= y any node. > [Gaurav] I believe Authors are trying to highlight that Host which is defi= ned in (https://tools.ietf.org/html/draft-ietf-spring-segment-routing-15) ca= n influence the traffic based on the Calculations locally or jointly with th= e controller. Implementations can decide how much Centralized -vs- localized= control is allowed at Host based on performance data collection. >>=20 >> Section 3, 3rd bullet point: >> It is the foundation of TCP that the network is regarded as a black box a= nd that you infer from the transmission of packets what the current state of= the network path is. Inferring network path metrics (you mention SRTT, MSS,= CWND ) is a bad idea, as this would required that all paths exhibit this an= d if not what is going to happen? >> It could be an interesting research field to change many points in TCP's b= ehavior, but this once again points to the fact that this not the IETF works= but IRTF or elsewhere. > [Gaurav] Martin, Authors are trying to suggest that TCP is rightly treatin= g Network as Black Box. Authors are implying per path performance metrics as= not cached. Is there some change in text you are suggesting? >=20 > Cheers, >=20 > Gaurav >>=20 >> Kind regards, >>=20 >> Martin >>=20 >> _______________________________________________ >> spring mailing list >> spring@ietf.org >> https://www.ietf.org/mailman/listinfo/spring >=20 --Apple-Mail-6C086A74-0369-4DDA-ACCF-A97F6025EB5F Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Folks,

Friendly remin= der on the feedback.

Cheers,

Gaurav

Sent from my iPhone

On Feb 14, 2018, at 8:47 PM, Gaurav Dawra <gdawra.ietf@gmail.com> wrote:

Hey Martin,

Sorry for late reply. Please see some comments inline[Gaurav]

On Jan 9, 2018, at 2:25 PM, Martin Stiemerling <mls.ietf@gmail.com> wrote:

Hi all,

I've reviewed this document as part of the transport ar= ea review team's ongoing effort to review key IETF documents. These comments= were written primarily for the transport area directors, but are copied to t= he document's authors for their information and to allow them to address any= issues raised. When done at the time of IETF Last Call, the authors should c= onsider this review together with any other last-call comments they receive.= Please always CC tsv-art@=E2=80=A6 if you reply to or forward this review.<= br class=3D"">
Summary:
This draft has serious i= ssues in Section 7.1, 7.2 and in one part of Section3, described in the revi= ew, and needs to be rethought. The other sections are good AFAIK.


Technicals:
The overall draft= looks ok, but the three points below look strange and need a fix before pub= lication IMHO:

Both Sections, 7.1. and 7.2., ar= e describing ideas, but not well proven funcationality and not even safe to u= se functionality. Both are some sort discussing that different paths in the n= etwork could be used by the end host traffic. This sounds pretty much like t= he Path Aware Networking Proposed Research Group (https://irtf.org/panrg) and hints to the fact that t= here is no commonly understand and accepted engineering solution in this spa= ce.

Section 7.1:
[KANDULA04] is a= really old reference that hasn't been followed up in recent times and even w= orse there is no evidence that this is going to work good enough or stable e= nough under real Internet traffic. Additionally, it is more than unclear how= any modern TCP implementation will react to this
=
[Gaurav] Will get back on this.

Section 7.2= :
This section describes an idea without detailing too much ab= out any further aspects. Further it changes the commonly accepted notion of w= hat an end host can do with the network. At best this would require a good d= efinition of what an end host in your setting is, e.g., a highly modified pi= ece of (at least) software that usually not found in OS availble on the mark= et (yet?)
Further communicating instantaneous path characteris= tics to a central point is potentially a bad idea, as the data is already ou= tdated when reported by any node.
[Ga= urav] I believe Authors are trying to highlight that Host which is defined i= n (https://tools.ietf.org/html/draft-ietf-spring-segment-routing= -15) can influence the traffic based on the Calculations locally or join= tly with the controller. Implementations can decide how much Centralized -vs= - localized control is allowed at Host based on performance data collection.=

Section 3, 3rd bullet point:
It is the f= oundation of TCP that the network is regarded as a black box and that you in= fer from the transmission of packets what the current state of the network p= ath is. Inferring network path metrics (you mention SRTT, MSS, CWND ) is a b= ad idea, as this would required that all paths exhibit this and if not what i= s going to happen?
It could be an interesting research field t= o change many points in TCP's behavior, but this once again points to the fa= ct that this not the IETF works but IRTF or elsewhere.
<= /div>
[Gaurav] Martin, Authors are trying to suggest that TCP is= rightly treating Network as Black Box. Authors are implying per path perfor= mance metrics as not cached. Is there some change in text you are suggesting= ?

Cheers,

Gaurav

Kind regards,

 Martin

________________________________= _______________
spring mailing list
spring@ietf.org
https://www.ietf.org/mailman/= listinfo/spring

= --Apple-Mail-6C086A74-0369-4DDA-ACCF-A97F6025EB5F-- From nobody Thu Feb 22 08:44:45 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6044712D7F6 for ; Thu, 22 Feb 2018 08:44:43 -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 f-lEN8adamNl for ; Thu, 22 Feb 2018 08:44:41 -0800 (PST) Received: from mail-yb0-x234.google.com (mail-yb0-x234.google.com [IPv6:2607:f8b0:4002:c09::234]) (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 74E38127698 for ; Thu, 22 Feb 2018 08:44:41 -0800 (PST) Received: by mail-yb0-x234.google.com with SMTP id p77-v6so1940421yba.5 for ; Thu, 22 Feb 2018 08:44:41 -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=w9kDhN555jzFr8wQB0NO499Ko9bmjJREfK0TaWvftGo=; b=phVYwqpOBX2oWRMBcCiZEZz9ZgLeffll6cQE2Oxq/w7GgLXRY4XnYKM8+CPmaxYLDU GN3QbPWe5qu249zE2LVt3SLvughNoYvjg43mNgPNqvN6PWmnNPwF5yQofUiE3yeHW40Z SVe8hdIW/i60FjtVI4K8g8n5OGArjSWh46woId2N3IJrR2u/Pvrft/YeJit1UJiT+OJZ 8T3HIbQ92+hE/7NTY7DUkIGKfzK7IjzqZuLPOs4HiPtPGMHKgQeK0+PoGeFUBIpn/qBV STKM2f4pMdd1pXmoWM9YzbsBaQUSeIu+x0/lCFKea5SXuJEaJYnzPahkO1w2R1LJrBO8 FM2Q== 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=w9kDhN555jzFr8wQB0NO499Ko9bmjJREfK0TaWvftGo=; b=qjMQ99PNXu+hjuE4BQOD8ZkpF+cA6pv64awptVLhEVtZmfufOevtQ7BL1yfmgBMZ+h h7rFQYjfyOzeYYdyhriCt0iR0+6yfSX/1zeliA2dFeQ1vQHUr4jXhwlLO/fdKQnGIYNL XmeJFM+kh2l7qJWb5RleiMa+tH2W3syBSQM8w8cWADv0ks/CWEGyJzUHMCrLllSCi7Zt kxSCO1mjtJ1DuYsKOmoRQ3vNrXWeemInYiZVhKnCjjav8GqQbZxQF0keco5QRGOcMg1G ym1O3hIb/yO7wVAVIq5MGUfaSd+p6C57NdrNyXKR3OaETvH5y60KVHNm3ljnV9sDdmel NqGw== X-Gm-Message-State: APf1xPBZq3le/U/bzPUtnz12zChH1pVvJ0vgeEfSUYqmBfjP1wlL22bl 0FMPwWckOypOmNIBUlR6bC7kFXrn4yD0m/zYS00= X-Google-Smtp-Source: AH8x2267IdBX7ti6qrXozB6MpUuH66C4UjTeuw2W30UCuVNvlMmaYldwDO61X+YkN5fruM+1PJPcxmS0QndqdQ+mrN0= X-Received: by 2002:a25:3bc6:: with SMTP id i189-v6mr5295896yba.420.1519317880744; Thu, 22 Feb 2018 08:44:40 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a25:bcd0:0:0:0:0:0 with HTTP; Thu, 22 Feb 2018 08:44:40 -0800 (PST) In-Reply-To: References: From: Vishnu Pavan Beeram Date: Thu, 22 Feb 2018 11:44:40 -0500 Message-ID: To: Alvaro Retana Cc: SPRING WG Content-Type: multipart/alternative; boundary="0000000000009539760565cfc253" Archived-At: Subject: Re: [spring] New spring WG Co-Chair X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Feb 2018 16:44:43 -0000 --0000000000009539760565cfc253 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Martin, Much Thanks for all your efforts as spring co-chair! Congratulations on the new role! Rob, Welcome! Great to have you take this up.. Regards, -Pavan On Wed, Feb 21, 2018 at 7:40 AM, Alvaro Retana wrote: > Dear spring WG: > > As all of you already know, Martin has been selected as a Routing AD > starting next month at IETF 101 in London. He will step down as spring > co-chair then. Martin: thank you for the focused effort you have dedicat= ed > to this WG =E2=80=94 we all look forward to working with you in your new = role. > Congratulations! > > In consultation with Bruno and the other ADs, we have asked Rob Shakir to > take on the role of spring Co-Chair. Rob currently works at Google and h= as > been a long time participant in the IETF. > > I am adding Rob as a third Chair to facilitate the transition. The > expectation is that he will fully take over for Martin at IETF 101. > Welcome Rob! > > Rob can be reached at robjs@google.com. > > Thanks! > > Alvaro. > > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring > > --0000000000009539760565cfc253 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Martin,
Much Thanks for all yo= ur efforts as spring co-chair! Congratulations on the new role!
Rob,
Welcome! Great to have you take this up..

Regards,
-Pavan

On Wed, Feb 21, 2018 at 7:40 AM, Alvaro Retana <ar= etana.ietf@gmail.com> wrote:
Dear spring WG:

As all of you already kno= w, Martin has been selected as a Routing AD starting next month at IETF 101= in London.=C2=A0 He will step down as spring co-chair then.=C2=A0 Martin: = thank you for the focused effort you have dedicated to this WG =E2=80=94 we= all look forward to working with you in your new role.=C2=A0 Congratulatio= ns!

In consultation with Bruno and the othe= r ADs, we have asked Rob Shakir to take on the role of spring Co-Chair.=C2= =A0 Rob currently works at Google and has been a long time participant in t= he IETF.

I am adding Rob as a third Chair t= o facilitate the transition.=C2=A0 The expectation is that he will fully ta= ke over for Martin at IETF=C2=A0101.=C2=A0 Welcome Rob!

Rob can be reache= d at=C2=A0robjs@googl= e.com.

Thanks!
=
Alvaro.

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

--0000000000009539760565cfc253-- From nobody Thu Feb 22 15:20:48 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4A20A12D810; Wed, 21 Feb 2018 07:27:58 -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 NAiLRWRA1lry; Wed, 21 Feb 2018 07:27:55 -0800 (PST) Received: from rcdn-iport-4.cisco.com (rcdn-iport-4.cisco.com [173.37.86.75]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 16C31127010; Wed, 21 Feb 2018 07:27:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=24694; q=dns/txt; s=iport; t=1519226875; x=1520436475; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=OCOJzCk7sI29bM5xWQrvAlF7f7FQKe8rP+lntM2T5+I=; b=c+MwKumLtauUJNLm3Q1eP67iL9Cwo3ixWYTiSlD2fDpd+4nWxrxEWqJk fkt+UQ+cQL92ekm6oydF9xu9J6Rm3u/BRt3cnpbfF+ZbaIWWjuHn23RFA rCYz+ODI0peVECG1ew9PN7wI52xHXoqryEcdJGUjPNkdOXtXOp2DDThal I=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0BIAQAnj41a/49dJa1dGQEBAQEBAQE?= =?us-ascii?q?BAQEBAQcBAQEBAYJadWZwKAqDXooljXeCAoEXiACOSoIWCoU0AhqCXlQYAQI?= =?us-ascii?q?BAQEBAQECayiFIwEBAQQjRBIQAgEIEQMBAisCAgIfER0IAgQBDQUbBIkgTAM?= =?us-ascii?q?Vqi+CJ4QWAQGDIg2BMoITAQEBAQEBAQEBAQEBAQEBAQEBAQEBHYURgieBV4F?= =?us-ascii?q?nKYF3gQ6CbIIhNoJ3MYI0BYt7mAs1CQKRAIULlEWOUYkoAhEZAYE7AR85JYE?= =?us-ascii?q?scBVkAYIYCYJLBRcZgTIBOngBi3qBGQEBAQ?= X-IronPort-AV: E=Sophos;i="5.46,543,1511827200"; d="scan'208,217";a="358543054" Received: from rcdn-core-7.cisco.com ([173.37.93.143]) by rcdn-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Feb 2018 15:27:53 +0000 Received: from XCH-RTP-019.cisco.com (xch-rtp-019.cisco.com [64.101.220.159]) by rcdn-core-7.cisco.com (8.14.5/8.14.5) with ESMTP id w1LFRrCO018528 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 21 Feb 2018 15:27:53 GMT Received: from xch-rtp-009.cisco.com (64.101.220.149) by XCH-RTP-019.cisco.com (64.101.220.159) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Wed, 21 Feb 2018 10:27:52 -0500 Received: from xch-rtp-009.cisco.com ([64.101.220.149]) by XCH-RTP-009.cisco.com ([64.101.220.149]) with mapi id 15.00.1320.000; Wed, 21 Feb 2018 10:27:52 -0500 From: "Patrice Brissette (pbrisset)" To: "wang.yubao2@zte.com.cn" , "gdawra.ietf@gmail.com" , "Clarence Filsfils (cfilsfil)" , "Darren Dukes (ddukes)" , "Pablo Camarillo (pcamaril)" , "john_leddy@cable.comcast.com" , "daniel.voyer@bell.ca" , "daniel.bernier@bell.ca" , "dws@steinberg.net" , "robert@raszuk.net" , "bruno.decraene@orange.com" , "satoru.matsushima@g.softbank.co.jp" CC: "idr@ietf.org" , "spring@ietf.org" Thread-Topic: Discussions on ESI filtering procedure in SRv6 EVPN (defined in draft-dawra-idr-srv6-vpn-03) Thread-Index: AQHTqyiJR7GakqeyUUqACY/My4VQTQ== Date: Wed, 21 Feb 2018 15:27:52 +0000 Message-ID: <91C52956-9FF5-40A6-B86E-33F26A750C09@cisco.com> References: <201802071529272583243@zte.com.cn> In-Reply-To: <201802071529272583243@zte.com.cn> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.9.0.180116 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.82.169.25] Content-Type: multipart/alternative; boundary="_000_91C529569FF540A6B86E33F26A750C09ciscocom_" MIME-Version: 1.0 Archived-At: X-Mailman-Approved-At: Thu, 22 Feb 2018 15:20:42 -0800 Subject: Re: [spring] Discussions on ESI filtering procedure in SRv6 EVPN (defined in draft-dawra-idr-srv6-vpn-03) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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tests=[BAYES_00=-1.9, 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, URIBL_BLOCKED=0.001] 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 cUgZFOU2QZFi for ; Thu, 22 Feb 2018 16:19:18 -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 9499412D87B for ; Thu, 22 Feb 2018 16:19:18 -0800 (PST) Received: from lhreml704-cah.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 33748E4BBE062 for ; Fri, 23 Feb 2018 00:19:14 +0000 (GMT) Received: from SJCEML701-CHM.china.huawei.com (10.208.112.40) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 23 Feb 2018 00:19:16 +0000 Received: from SJCEML521-MBB.china.huawei.com ([169.254.6.91]) by SJCEML701-CHM.china.huawei.com ([169.254.3.93]) with mapi id 14.03.0382.000; Thu, 22 Feb 2018 16:19:10 -0800 From: Linda Dunbar To: "spring@ietf.org" Thread-Topic: comments and suggestions to draft-ietf-spring-ipv6-use-cases-12 Thread-Index: AdOsM7Yd2t7oa9gxQpKRBhoPAEw2/g== Date: Fri, 23 Feb 2018 00:19:10 +0000 Message-ID: <4A95BA014132FF49AE685FAB4B9F17F66B00ECB0@SJCEML521-MBB.china.huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.218.137.155] Content-Type: multipart/alternative; boundary="_000_4A95BA014132FF49AE685FAB4B9F17F66B00ECB0SJCEML521MBBchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [spring] comments and suggestions to draft-ietf-spring-ipv6-use-cases-12 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 00:19:21 -0000 --_000_4A95BA014132FF49AE685FAB4B9F17F66B00ECB0SJCEML521MBBchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Authors of draft-ietf-spring-ipv6-use-cases, Section 2.3 SPRING in Data Center: The current text in the section only describes why some DCs are transitioni= ng from IPv4 to IPv6 natively, but not having very convincing points on why= Segment Routing is needed (even with IPv6 addresses). Most data centers us= e private addresses, even AWS Cloud DCs use IP4. I think the real use case of segment routing in Data Center (regardless IPv= 4 or IPv6 address space) is - There could be very large number of parallel paths among leaf node= s (via Spine nodes). It is more efficient for leaf nodes to use designated = (a set of) Spine nodes as outer destination addresses to avoid being placed= on random paths (via ECMP) between leaf nodes and spine nodes. The design= ated spine nodes can easily replace the outer destination address (i.e. the= spine node address) with either Aggr nodes (going up) or the original leaf= addresses (going down) . Here is an old academic paper on why this approach is more effective in DC. http://delivery.acm.org/10.1145/1600000/1592576/p51-greenberg.pdf?ip=3D12.1= 11.81.80&id=3D1592576&acc=3DPUBLIC&key=3D5A3314F2D74B117C%2E5A3314F2D74B117= C%2E4D4702B0C3E38B35%2E4D4702B0C3E38B35&__acm__=3D1519340096_d0ed599df20bcd= cf17f61ce05325f3f2 Section 2.1 SPRING in the Small Office: You stated that the IPv6 small office will have multiple egress points. Why= ? Is it because the small office is connected to multiple locations? How is= it different from today's small office environment? Don't most small offices have uplinks to one or two PEs? Linda Dunbar --_000_4A95BA014132FF49AE685FAB4B9F17F66B00ECB0SJCEML521MBBchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Authors of draft-ietf-spring-ipv6-use-cases,

 

Section 2.3 SPRING in Data Center:

The current text in the = section only describes why some DCs are transitioning from IPv4 to IPv6 nat= ively, but not having very convincing points on why Segment Routing is need= ed (even with IPv6 addresses). Most data centers use private addresses, even AWS Cloud DCs use IP4.

 

I think the real use cas= e of segment routing in Data Center (regardless IPv4 or IPv6 address space)= is

-       = ; There could be very large number of parallel paths = among leaf nodes (via Spine nodes). It is more efficient for leaf nodes to = use designated (a set of) Spine nodes as outer destination addresses to avo= id being placed on random paths (via ECMP) between leaf nodes and spine nodes.  The designated spine = nodes can easily replace the outer destination address (i.e. the spine node= address) with either Aggr nodes (going up) or the original leaf addresses = (going down) .

 

Here is an old academic = paper on why this approach is more effective in DC.

 

http://delivery.acm.org/10.1145/1600000/1592576/p51-= greenberg.pdf?ip=3D12.111.81.80&id=3D1592576&acc=3DPUBLIC&key= =3D5A3314F2D74B117C%2E5A3314F2D74B117C%2E4D4702B0C3E38B35%2E4D4702B0C3E38B3= 5&__acm__=3D1519340096_d0ed599df20bcdcf17f61ce05325f3f2<= /p>

 

 

 

Section 2.1 SPRING in the Small Office:

 

You stated that the IPv6 = small office will have multiple egress points. Why? Is it because the small= office is connected to multiple locations? How is it different from today&= #8217;s small office environment?

 

Don’t most small of= fices have uplinks to one or two PEs?

 

Linda Dunbar

--_000_4A95BA014132FF49AE685FAB4B9F17F66B00ECB0SJCEML521MBBchi_-- From nobody Fri Feb 23 05:06:52 2018 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6B57E124239; Fri, 23 Feb 2018 05:06:46 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: spring@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.72.3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <151939120638.22535.6063763927426546263@ietfa.amsl.com> Date: Fri, 23 Feb 2018 05:06:46 -0800 Archived-At: Subject: [spring] I-D Action: draft-ietf-spring-segment-routing-mpls-12.txt X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 13:06:46 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Source Packet Routing in Networking WG of the IETF. Title : Segment Routing with MPLS data plane Authors : Ahmed Bashandy Clarence Filsfils Stefano Previdi Bruno Decraene Stephane Litkowski Rob Shakir Filename : draft-ietf-spring-segment-routing-mpls-12.txt Pages : 24 Date : 2018-02-23 Abstract: Segment Routing (SR) leverages the source routing paradigm. A node steers a packet through a controlled set of instructions, called segments, by prepending the packet with an SR header. In the MPLS dataplane, the SR header is instantiated through a label stack. This document specifies the forwarding behavior to allow instantiating SR over the MPLS dataplane. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-spring-segment-routing-mpls-12 https://datatracker.ietf.org/doc/html/draft-ietf-spring-segment-routing-mpls-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-spring-segment-routing-mpls-12 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. 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APf1xPCZ51r8QcK2kDmWCqRTQ4/vNruiI2hMtN94BHMFoTlhTftOp0Po 03irUV26WHoJ8YZ8wjQvPYNkh8MUpOW9fOxPt84= X-Google-Smtp-Source: AG47ELuQSuNFdRDYYFUKPTCLGDAyPApuGsUWWG01qknRPLLJkfnQSCp98/ei1vHomNJD5VuCQ5C9xogBZSyNMcjGxiY= X-Received: by 10.157.51.100 with SMTP id u33mr2411080otd.26.1519428601376; Fri, 23 Feb 2018 15:30:01 -0800 (PST) Received: from 1058052472880 named unknown by gmailapi.google.com with HTTPREST; Fri, 23 Feb 2018 15:30:00 -0800 From: Alvaro Retana In-Reply-To: <151939120638.22535.6063763927426546263@ietfa.amsl.com> References: <151939120638.22535.6063763927426546263@ietfa.amsl.com> X-Mailer: Airmail (467) MIME-Version: 1.0 Date: Fri, 23 Feb 2018 15:30:00 -0800 Message-ID: To: draft-ietf-spring-segment-routing-mpls@ietf.org Cc: spring@ietf.org, spring-chairs@ietf.org, Martin Vigoureux Content-Type: multipart/alternative; boundary="001a113e38c20bf4af0565e98a6c" Archived-At: Subject: Re: [spring] I-D Action: draft-ietf-spring-segment-routing-mpls-12.txt X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Feb 2018 23:30:04 -0000 --001a113e38c20bf4af0565e98a6c Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear authors: I still haven=E2=80=99t seen a satisfactory reply to my AD Review of this d= ocument [1]. The latest version doubled (!) the size of the document (between versions -10 and -12)[2] without proper justification, or (more importantly!) discussion on the list. I am returning the document to the WG for proper discussion of the proposed changes. Alvaro. [1] https://mailarchive.ietf.org/arch/msg/spring/97KtDebyroHfuNvllpNVb0s66H8/?q= id=3D630f4b40ce9622377f9d39fe84fdab1a [2] https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-spring-segment-routing-mpls-= 10&url2=3Ddraft-ietf-spring-segment-routing-mpls-12 On February 23, 2018 at 8:06:56 AM, internet-drafts@ietf.org ( internet-drafts@ietf.org) wrote: A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Source Packet Routing in Networking WG of the IETF. Title : Segment Routing with MPLS data plane Authors : Ahmed Bashandy Clarence Filsfils Stefano Previdi Bruno Decraene Stephane Litkowski Rob Shakir Filename : draft-ietf-spring-segment-routing-mpls-12.txt Pages : 24 Date : 2018-02-23 Abstract: Segment Routing (SR) leverages the source routing paradigm. A node steers a packet through a controlled set of instructions, called segments, by prepending the packet with an SR header. In the MPLS dataplane, the SR header is instantiated through a label stack. This document specifies the forwarding behavior to allow instantiating SR over the MPLS dataplane. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-spring-segment-routing-mpls/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-spring-segment-routing-mpls-12 https://datatracker.ietf.org/doc/html/draft-ietf-spring-segment-routing-mpl= s-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-spring-segment-routing-mpls-= 12 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/ _______________________________________________ I-D-Announce mailing list I-D-Announce@ietf.org https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft directories: http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt --001a113e38c20bf4af0565e98a6c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =
Dear authors:

I still haven=E2=80=99t seen a satisfactory reply to my = AD Review of this document [1].=C2=A0 The latest version doubled (!) the si= ze of the document (between versions -10 and -12)[2] without proper justifi= cation, or (more importantly!) discussion on the list.

I am returning the document to the WG for= proper discussion of the proposed changes.

Alvaro.


On February 23, 2018 at 8:06:56 = AM, internet-drafts@ietf.org (internet-drafts@ietf.org= ) wrote:

<= /div>

A New Internet-Draft is available from the on-line Internet-Drafts dire= ctories.
This draft is a work item of the Source Packet Routing in Networking WG= of the IETF.

Title : Segment Routing with MPLS data plane
Authors : Ahmed Bashandy
Clarence Filsfils
Stefano Previdi
Bruno Decraene
Stephane Litkowski
Rob Shakir
Filename : draft-ietf-spring-segment-routing-mpls-12.txt
Pages : 24
Date : 2018-02-23

Abstract:
Segment Routing (SR) leverages the source routing paradigm. A node
steers a packet through a controlled set of instructions, called
segments, by prepending the packet with an SR header. In the MPLS
dataplane, the SR header is instantiated through a label stack. This
document specifies the forwarding behavior to allow instantiating SR
over the MPLS dataplane.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-spring-segment-ro= uting-mpls/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-spring-segment-routing-mp= ls-12
https://datatracker.ietf.org/doc/html/draft-ietf-sprin= g-segment-routing-mpls-12

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-spring-se= gment-routing-mpls-12


Please note that it may take a couple of minutes from the time of submi= ssion
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/inte= rnet-drafts/

_______________________________________________
I-D-Announce mailing list
I-D-Announce@ietf.org
https://= www.ietf.org/mailman/listinfo/i-d-announce
Internet-Draft directories: http://www.ietf.org/shadow.html
or ftp://ftp.ietf= .org/ietf/1shadow-sites.txt
--001a113e38c20bf4af0565e98a6c-- From nobody Mon Feb 26 09:39:11 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D75D512025C for ; Mon, 26 Feb 2018 09:39:09 -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 ucC8uUtYQXGy for ; Mon, 26 Feb 2018 09:39:03 -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 32A6E124BFA for ; Mon, 26 Feb 2018 09:39:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=11552; q=dns/txt; s=iport; t=1519666743; x=1520876343; h=from:to:subject:date:message-id:references:in-reply-to: mime-version; bh=FwaMpjnEioEyK9zhoRKftrmxDcw2Md316cObk6asuR0=; b=BzNIfDXF/ny0vQJMvcLRouBXG7mMBunv4YLFAd4Qv4owqCZXMqPdVgVA HuiIAkY0r3FmDue9Zf+e5CUIovnteFifLnuUc2zury6acY1Vm+qv76diG 6ek5fGoLUs9d/znJg4iTdyHy2yHxwOOKQlR8F2FUQsKEXnKIZxE8eKMRn 8=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0AvAQAeRZRa/5JdJa1dGQEBAQEBAQE?= =?us-ascii?q?BAQEBAQcBAQEBAYJadWZwKAqDSooijX6CAoEWh22ISYVPFIEjA1wKhTMCGoI?= =?us-ascii?q?rVBgBAgEBAQEBAQJrKIUjAQEBAQMjZgIBCA4DAwECKAMCAgIfERQJCAIEARK?= =?us-ascii?q?ELEwDFatPgieEdII6DYEyghQBAQEBAQEBAQEBAQEBAQEBAQEBAQEdh0KBV4I?= =?us-ascii?q?PgwSCaoF/FUMWglcxgjQFiyqNDYh4MgkCjzOEa4IGkFqNGYVjK4IhAhEZAYE?= =?us-ascii?q?uAR44MoEfcBVkAYIYCYRRd4tEgRcBAQE?= X-IronPort-AV: E=Sophos;i="5.47,397,1515456000"; d="scan'208,217";a="363797214" Received: from rcdn-core-10.cisco.com ([173.37.93.146]) by rcdn-iport-2.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Feb 2018 17:39:02 +0000 Received: from XCH-RTP-018.cisco.com (xch-rtp-018.cisco.com [64.101.220.158]) by rcdn-core-10.cisco.com (8.14.5/8.14.5) with ESMTP id w1QHd1hh017069 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Mon, 26 Feb 2018 17:39:01 GMT Received: from xch-rtp-018.cisco.com (64.101.220.158) by XCH-RTP-018.cisco.com (64.101.220.158) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Mon, 26 Feb 2018 12:39:01 -0500 Received: from xch-rtp-018.cisco.com ([64.101.220.158]) by XCH-RTP-018.cisco.com ([64.101.220.158]) with mapi id 15.00.1320.000; Mon, 26 Feb 2018 12:39:00 -0500 From: "Zafar Ali (zali)" To: Alvaro Retana , SPRING WG Thread-Topic: [spring] New spring WG Co-Chair Thread-Index: AQHTqxE+KSDA0b4m60GR2SRK04JxiaO2+zwA Date: Mon, 26 Feb 2018 17:39:00 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.9.0.180116 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.176.126] Content-Type: multipart/alternative; boundary="_000_DE58EA6C001E43DB898CD37BDD4F837Dciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [spring] New spring WG Co-Chair X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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([2620:119:5001:3000:c5f9:651:f14a:7d2b]) by smtp.gmail.com with ESMTPSA id n10sm5868921pff.131.2018.02.26.11.34.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Feb 2018 11:34:22 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-E9D1C7E9-C169-48C3-A5CF-824AA10E5AD0 Mime-Version: 1.0 (1.0) From: Gaurav Dawra X-Mailer: iPhone Mail (15C114) In-Reply-To: Date: Mon, 26 Feb 2018 11:34:21 -0800 Cc: SPRING WG Content-Transfer-Encoding: 7bit Message-Id: <1820965F-B94F-4FC6-8710-B5CAAF749D01@gmail.com> References: To: Alvaro Retana Archived-At: Subject: Re: [spring] New spring WG Co-Chair X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Feb 2018 19:34:25 -0000 --Apple-Mail-E9D1C7E9-C169-48C3-A5CF-824AA10E5AD0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Welcome Rob!=20 Thanks Martin for your help! Looking forward in new role :) Cheers, Gaurav Sent from my iPhone > On Feb 21, 2018, at 4:40 AM, Alvaro Retana wrote:= >=20 > Dear spring WG: >=20 > As all of you already know, Martin has been selected as a Routing AD start= ing next month at IETF 101 in London. He will step down as spring co-chair t= hen. Martin: thank you for the focused effort you have dedicated to this WG= =E2=80=94 we all look forward to working with you in your new role. Congra= tulations! >=20 > In consultation with Bruno and the other ADs, we have asked Rob Shakir to t= ake on the role of spring Co-Chair. Rob currently works at Google and has b= een a long time participant in the IETF. >=20 > I am adding Rob as a third Chair to facilitate the transition. The expect= ation is that he will fully take over for Martin at IETF 101. Welcome Rob! >=20 > Rob can be reached at robjs@google.com. >=20 > Thanks! >=20 > Alvaro. > _______________________________________________ > spring mailing list > spring@ietf.org > https://www.ietf.org/mailman/listinfo/spring --Apple-Mail-E9D1C7E9-C169-48C3-A5CF-824AA10E5AD0 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Welcome Rob! 

Thank= s Martin for your help! Looking forward in new role :)

<= div>Cheers,

Gaurav

Sent from my iPhone

On Feb 21, 2018, at 4:40 AM, Alvaro R= etana <aretana.ietf@gmail.com> wrote:





=
Thanks!

Alvaro.
____________________= ___________________________
spring mailing list
spring@ietf.org
<= a href=3D"https://www.ietf.org/mailman/listinfo/spring">https://www.ietf.org= /mailman/listinfo/spring
= --Apple-Mail-E9D1C7E9-C169-48C3-A5CF-824AA10E5AD0-- From nobody Mon Feb 26 19:05:15 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E78CC12E047; Mon, 26 Feb 2018 19:05:12 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.698 X-Spam-Level: X-Spam-Status: No, score=-2.698 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_LOW=-0.7, 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 UjBUGBPSxD9b; Mon, 26 Feb 2018 19:05:11 -0800 (PST) Received: from mail-lf0-x22f.google.com (mail-lf0-x22f.google.com [IPv6:2a00:1450:4010:c07::22f]) (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 8589B12E045; Mon, 26 Feb 2018 19:05:10 -0800 (PST) Received: by mail-lf0-x22f.google.com with SMTP id 70so25347801lfw.2; Mon, 26 Feb 2018 19:05:10 -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=ROB9uDEkBFnNebTFJjpbvUDoyEqceGVtxCEvTpJyGlg=; b=AtxXtM4xyYDaYAubNs5Cj3XnYcbocPS1QjvcVkfqtRA/vqUbaBCbHBxJVvFX6yLpU6 +7FRTsuFAPv3ANMNDCOIYUv9VfTiDfAiXW+1B5hrKzCU9rE5N0ctGxAfE8PFwTjDwTtm U/LucEbQYZEfohpNDc0PGIEro2UBegFNYrdAJLfno7UrG/p1wM0YV8tU0MFMkbc5t9ur NsX6NgFu7qVe3tLplMRyhNbgNUnkcWQinFQ4HzwS+EJ1hgNLWzsHBXptKvIBIbH68V8i LkuLDRl6qlHUEF3W4qWH1LrkAXUfIUKIP5wtS9308lV95ZCpDJLGWjDQ3bE/OCTpyeRy 0X+w== 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=ROB9uDEkBFnNebTFJjpbvUDoyEqceGVtxCEvTpJyGlg=; b=KHXzMuzA0V4Z44eTpFprj/bfzN6s3mWCuggP1CedXOtm4oPJyGnY/h3PRxjqPhjHvJ QASr1wFsXz9D5khz3iQBth6ZVMogQ106V0/Zm7bqD/yJQKMk7DsyFmzMtTC+aGv8WWGn CEuAjxgXgsUM6ic20WmsCWtdirtz/CiA+TyGx2ckvSRT711PJ5Ol/FK2XO+L4TkWxays M4QQoUjlJqzICh9Lxp9/+A0mQTRBnrCk6uoqdnd7NyRVnBQG0k2XsHWLsIx3Dzv/UG6d JBeZsfO2SAc52gAWZrklH09aFpovMROmgVGlyYSTk1Xh8n95SGUZEAYaMuSyHOnVyPUG 5xCw== X-Gm-Message-State: APf1xPAw3WRCiBHuAWCI3N+KNilU9GvHPHfJoGqlZCz7/1EM87ljDGek tP9m4PZySoT6Y08pHXO0ZJXX7LFnuR/euYeHZdM= X-Google-Smtp-Source: AG47ELsp9ykj/WzdEziejKf7qA8OjoKHQo6MpbwoVJBrhyIz8VOIvRyMFKzWniNKXnEnb2LM1gT4J726zBm9O/xllpo= X-Received: by 10.25.41.67 with SMTP id p64mr8089943lfp.7.1519700708482; Mon, 26 Feb 2018 19:05:08 -0800 (PST) MIME-Version: 1.0 Received: by 10.46.145.195 with HTTP; Mon, 26 Feb 2018 19:05:07 -0800 (PST) In-Reply-To: <151970021703.29177.7943723435664510176.idtracker@ietfa.amsl.com> References: <151970021703.29177.7943723435664510176.idtracker@ietfa.amsl.com> From: Greg Mirsky Date: Mon, 26 Feb 2018 19:05:07 -0800 Message-ID: To: spring , ipv6@ietf.org Content-Type: multipart/alternative; boundary="001a1140189ee4e68a056628e43f" Archived-At: Subject: [spring] Fwd: New Version Notification for draft-mirsky-6man-unified-id-sr-00.txt X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Feb 2018 03:05:13 -0000 --001a1140189ee4e68a056628e43f Content-Type: text/plain; charset="UTF-8" Dear All, this new draft describes use of 20 bits-long and 32 bits-long SIDs in SRH. Greatly appreciate your questions, comments. Looking forward to discuss this proposal in London with both SPRING and 6man WGs. Regards, Greg ---------- Forwarded message ---------- From: Date: Mon, Feb 26, 2018 at 6:56 PM Subject: New Version Notification for draft-mirsky-6man-unified-id-sr-00.txt To: Gregory Mirsky , Shaofu Peng < peng.shaofu@zte.com.cn> A new version of I-D, draft-mirsky-6man-unified-id-sr-00.txt has been successfully submitted by Greg Mirsky and posted to the IETF repository. Name: draft-mirsky-6man-unified-id-sr Revision: 00 Title: Unified Identifier in IPv6 Segment Routing Networks Document date: 2018-02-26 Group: Individual Submission Pages: 7 URL: https://www.ietf.org/internet-drafts/draft-mirsky-6man-unifi ed-id-sr-00.txt Status: https://datatracker.ietf.org/doc/draft-mirsky-6man-unified- id-sr/ Htmlized: https://tools.ietf.org/html/draft-mirsky-6man-unified-id-sr -00 Htmlized: https://datatracker.ietf.org/doc/html/draft-mirsky-6man-uni fied-id-sr-00 Abstract: Segment Routing architecture leverages the paradigm of source routing. It can be realized in a network data plane by prepending the packet with a list of instructions, a.k.a. segments. A segment can be encoded as an Multi-Protocol Label Switching (MPLS) label, IPv4 address or IPv6 address. Segment Routing can be applied in MPLS data plane by encoding segments in MPLS label stack. It also can be applied to IPv6 data plane by encoding list of segment identifiers in IPv6 Segment Routing Extension Header (SRH). This document extends the use of the SRH to segment identifiers encoded as MPLS label and IPv4 address. 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. The IETF Secretariat --001a1140189ee4e68a056628e43f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear All,
this new draft describes use of 20 bits-long= and 32 bits-long SIDs in SRH. Greatly appreciate your questions, comments.=
Looking forward to discuss this proposal in London with both SPR= ING and 6man WGs.

Regards,
Greg

---------- Forwarded message ----------From: <internet-drafts@ietf.org= >
Date: Mon, Feb 26, 2018 at 6:56 PM
Subject: New Versi= on Notification for draft-mirsky-6man-unified-id-sr-00.txt
To: Greg= ory Mirsky <g= regimirsky@gmail.com>, Shaofu Peng <peng.shaofu@zte.com.cn>


A new version of I-D, draft-mirsky-6man-unified-id-sr-00.txt
has been successfully submitted by Greg Mirsky and posted to the
IETF repository.

Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-mirsky-6man-unified-id-= sr
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A000
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Unified Identifier in IPv6 Segment= Routing Networks
Document date:=C2=A0 2018-02-26
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Individual Submission
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 7
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 https://www.ietf.org/internet-drafts/draft-mirsky= -6man-unified-id-sr-00.txt
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0https://datatracker.ietf.org/doc/draft-mirsky-6man-unified-= id-sr/
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0ht= tps://tools.ietf.org/html/draft-mirsky-6man-unified-id-sr-00<= br> Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0https://datatracker.ietf.org/doc/html/draft-mirsky-6man-unified-id-sr-00


Abstract:
=C2=A0 =C2=A0Segment Routing architecture leverages the paradigm of source<= br> =C2=A0 =C2=A0routing.=C2=A0 It can be realized in a network data plane by p= repending
=C2=A0 =C2=A0the packet with a list of instructions, a.k.a. segments.=C2=A0= A segment
=C2=A0 =C2=A0can be encoded as an Multi-Protocol Label Switching (MPLS) lab= el,
=C2=A0 =C2=A0IPv4 address or IPv6 address.=C2=A0 Segment Routing can be app= lied in MPLS
=C2=A0 =C2=A0data plane by encoding segments in MPLS label stack.=C2=A0 It = also can be
=C2=A0 =C2=A0applied to IPv6 data plane by encoding list of segment identif= iers in
=C2=A0 =C2=A0IPv6 Segment Routing Extension Header (SRH).=C2=A0 This docume= nt extends
=C2=A0 =C2=A0the use of the SRH to segment identifiers encoded as MPLS labe= l and
=C2=A0 =C2=A0IPv4 address.




Please note that it may take a couple of minutes from the time of submissio= n
until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat


--001a1140189ee4e68a056628e43f-- From nobody Tue Feb 27 15:19:09 2018 Return-Path: X-Original-To: spring@ietf.org Delivered-To: spring@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 444B612EB34; Tue, 27 Feb 2018 15:11:23 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: spring@ietf.org, aretana.ietf@gmail.com X-Test-IDTracker: no X-IETF-IDTracker: 6.73.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <151977308327.5200.9444098723122108036.idtracker@ietfa.amsl.com> Date: Tue, 27 Feb 2018 15:11:23 -0800 Archived-At: Subject: [spring] spring - Requested session has been scheduled for IETF 101 X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Feb 2018 23:11:27 -0000 Dear Martin Vigoureux, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. spring Session 1 (1:30:00) Friday, Afternoon Session I 1150-1320 Room Name: Viscount size: 175 --------------------------------------------- Request Information: --------------------------------------------------------- Working Group Name: Source Packet Routing in Networking Area Name: Routing Area Session Requester: Martin Vigoureux Number of Sessions: 1 Length of Session(s): 1.5 Hours Number of Attendees: 80 Conflicts to Avoid: First Priority: mpls isis ospf sfc Second Priority: bess rtgwg People who must be present: Bruno Decraene Martin Vigoureux Alvaro Retana Resources Requested: Special Requests: --------------------------------------------------------- From nobody Wed Feb 28 08:34:06 2018 Return-Path: X-Original-To: spring@ietfa.amsl.com Delivered-To: spring@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0AF3E12D871; Wed, 28 Feb 2018 08:34:05 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.63 X-Spam-Level: X-Spam-Status: No, score=-2.63 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, UNPARSEABLE_RELAY=0.001] 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 Fo4xlbGmSm1O; Wed, 28 Feb 2018 08:34:03 -0800 (PST) Received: from orange.com (mta134.mail.business.static.orange.com [80.12.70.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EFDE912D946; Wed, 28 Feb 2018 08:34:02 -0800 (PST) Received: from opfednr03.francetelecom.fr (unknown [xx.xx.xx.67]) by opfednr25.francetelecom.fr (ESMTP service) with ESMTP id 5A08318183B; Wed, 28 Feb 2018 17:34:01 +0100 (CET) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.60]) by opfednr03.francetelecom.fr (ESMTP service) with ESMTP id 3C8331A0069; Wed, 28 Feb 2018 17:34:01 +0100 (CET) Received: from OPEXCLILM21.corporate.adroot.infra.ftgroup ([fe80::e92a:c932:907e:8f06]) by OPEXCLILM7F.corporate.adroot.infra.ftgroup ([fe80::c1d7:e278:e357:11ad%19]) with mapi id 14.03.0382.000; Wed, 28 Feb 2018 17:34:00 +0100 From: To: "spring@ietf.org" CC: "spring-chairs@ietf.org" Thread-Topic: SPRING @ IETF 101: slot request Thread-Index: AdOwsBiM1wR2RvAcTCmsXMqBaJ449w== Date: Wed, 28 Feb 2018 16:34:00 +0000 Message-ID: <19077_1519835641_5A96D9F9_19077_350_1_53C29892C857584299CBF5D05346208A479B376E@OPEXCLILM21.corporate.adroot.infra.ftgroup> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.168.234.4] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: [spring] SPRING @ IETF 101: slot request X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." 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Wed, 28 Feb 2018 13:39:11 -0800 (PST) Received: from [192.168.1.13] ([76.126.247.72]) by smtp.gmail.com with ESMTPSA id b8sm5190470pff.31.2018.02.28.13.39.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Feb 2018 13:39:11 -0800 (PST) User-Agent: Microsoft-MacOutlook/10.a.0.180210 Date: Wed, 28 Feb 2018 13:39:09 -0800 From: Jeff Tantsura To: , CC: SPRING WG Message-ID: Thread-Topic: Section 9.1 of the draft (IP/Optical) Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3602669950_92833096" Archived-At: Subject: [spring] Section 9.1 of the draft (IP/Optical) X-BeenThere: spring@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Stacked Tunnels for Source Routing \(STATUS\)." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Feb 2018 21:39:14 -0000 > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3602669950_92833096 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable Hello authors of draft-filsfils-spring-segment-routing-policy(further refer= ences as policy draft), =20 We, authors of draft-anand-spring-poi-sr draft(further referenced as poi dr= aft) have noted that section 9.1 of 04 version of the policy draft now has I= P/Optical use case, that is in great details described in the poi draft. It = also references policy draft and in details explains how it could be used in= IP/Optical case. =20 All control plane extensions needed for the solution to work are defined in= the poi draft. Rather than having 2 different drafts trying to specify same technology, we= think that for the IP/Optical case a reference (normative) to the poi draft= would be in place. =20 Thanks and looking forward to working with you! =20 Cheers, Jeff on behalf of co-authors =20 P.S. Since Clarence is on the both drafts, I=E2=80=99d let him speak for himself. =20 --B_3602669950_92833096 Content-type: text/html; charset="UTF-8" Content-transfer-encoding: quoted-printable

Hello autho= rs of draft-filsfils-spring-segment-routing-policy(further references as pol= icy draft),

 

We, authors of draft-anand-spring-poi-sr draft(further referenced a= s poi draft) have noted that section 9.1 of 04 version of the policy draft n= ow has IP/Optical use case, that is in great details described in the poi dr= aft. It also references policy draft and in details explains how it could be= used in IP/Optical case.

 

All control plane extensions needed for the solution = to work are defined in the poi draft.

Rather than having 2 different drafts tryin= g to specify same technology, we think that for the IP/Optical case a refere= nce (normative) to the poi draft would be in place.

 

<= p class=3DMsoNormal>Thanks and looking forward = to working with you!

 

Cheers,

Jeff on behalf of co-authors

 

P.S. Since Clarence is on the both drafts, I=E2=80=99d let him = speak for himself.

 =

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