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Tue, 27 Aug 2024 12:45:41 +0000 From: James Guichard To: "draft-ietf-mpls-mna-usecases@ietf.org" Thread-Topic: AD review for draft-ietf-mpls-mna-usecases-10 Thread-Index: AQHa+H68xuH6FNLLHkK4szyGeibkDA== Date: Tue, 27 Aug 2024 12:45:41 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=futurewei.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MW5PR13MB5485:EE_|MW4PR13MB5435:EE_ x-ms-office365-filtering-correlation-id: 2db55fcc-4da7-4d7b-c8bd-08dcc6962901 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|376014|366016|1800799024|38070700018; x-microsoft-antispam-message-info: =?Windows-1252?Q?vC4u+0cvUwSwiXmMbjNxX3Qz8EgAZJEyrB1Hu9sGMlN8N2POdbRqnL/B?= =?Windows-1252?Q?410V18xxXNpyDwp6bAOLLUelNm3VVutOBg6hI9RLlCtGX9fdj6tTmxRQ?= =?Windows-1252?Q?2KUUCSdm1jqxnVU71TfnKMOL/35wD9je7ig/cncRUDlLMxpfLwpcj64d?= =?Windows-1252?Q?hOpnt+ueP9tJkLemOQPRqMAoK8FIKJgRuM4EP17mFYsflEOqAijhKSPu?= =?Windows-1252?Q?OVJhSPwg/Yq8tNvsl2KF37q4H0jxpzuGKC057RR0rGTW11UBuEMtFWr2?= =?Windows-1252?Q?nz7NIhkN+rwvLvdiDOyyRGTs7nHT5yIaVRcIA2m+Lhr49p8KZhpIgv1z?= =?Windows-1252?Q?1OcYEM1dllFaiTn7lKozto4s1m3EY9yrt/EJ4+zy4xesQC8xGn0jP1sr?= =?Windows-1252?Q?H8nwIKT/EQAKqfYoT5YRRiFlrCEkzF2KdGhXwERU6qhcR+nYAw6KLbV3?= =?Windows-1252?Q?BYCB2dJp8RSerODXrs8XAIIOCSmuZOYnh01sn4noecI8CFjF/RYB4K2F?= =?Windows-1252?Q?b7pul/k3fTrVuMIuZ5QzuGd7ayDV+HqdUEn6B2glqa1LUhonAzx7E110?= =?Windows-1252?Q?iOAsB1Qzx/f5c9oJiIc6kzKYWvpa58Sf0QTI7wE7LyWKH5y1ngq0j139?= =?Windows-1252?Q?cSdLjx8/VvaXZIUBZt2BVK7DZhtAoR2XrZCbB6O+xRKNt1B43TgK8Ien?= =?Windows-1252?Q?x5rKEVpLGFcSaPHGoDYH1xpwb2+NpQFHmaBLmg2xGT2xxVR6xTXbNxYS?= =?Windows-1252?Q?7n4Jkk/sRJra899d9qn8FNYF7xGX6on5zX9Hv1sJm6AzUVi/s8S46cfF?= =?Windows-1252?Q?frIwD/JiQYcetj+Aw5U+suZjbCoeo+VCN341ulLwIk4C4UxAd0nE0liA?= =?Windows-1252?Q?/FmR2WRIq2zJ2yZ3ZvYgPPS9ZBy2eciiw99998VOzwNu6kcDXq2bjEQ5?= =?Windows-1252?Q?hM7HbHlN4+ljSqcchetbbLMKvFBY70+KyTmZ6nQmxRZT2nZIWz2IUNEM?= =?Windows-1252?Q?5C3vYHKrQqJJSrlJyFFVrGltunf8GiCbJokxmozSbe2bulH2UgL4JUST?= =?Windows-1252?Q?ptZX51zl7JxIfmys+PSmlOxN6zg2uIlsfVuKn9ju3GktE5jRHKbAuHdL?= =?Windows-1252?Q?mP3chiFrMQ6m28w1CoH94O50q63AWvM5vfJJiXnHHZKwP27ItYGwmfL1?= =?Windows-1252?Q?/k/ktjQgq0MFMBcZlIteLtsrH47Zq1jaRKcCW9XYkQyiQBL9SlkzD2mR?= =?Windows-1252?Q?6wZXxBTEHEWUuWvYNp+/66wpSLf1nzIJXUADOey8orrVQAv2so1U3hii?= =?Windows-1252?Q?qCijtN216muThdi7q+/x0iasoQj4TkGVlvp9iB+aOZe1xTKJmTbBKObu?= =?Windows-1252?Q?P1aQsA5A+LRe6ZwGDQywEpSDvjg0eyyfh9EX95AsDncb6R1bNfVBU149?= =?Windows-1252?Q?eZcadanj0Lm4n3JINezQEZx6641TPxL5uW2+Gqrak/55dvCyPaOpfiSt?= =?Windows-1252?Q?5BnCDTSa9+xCgTbHOYgDEsHZiE3iRw=3D=3D?= x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW5PR13MB5485.namprd13.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024)(38070700018);DIR:OUT;SFP:1102; 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boundary="_000_MW5PR13MB5485ADDA47C1BE85C40F2E1CD2942MW5PR13MB5485namp_" MIME-Version: 1.0 X-OriginatorOrg: Futurewei.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW5PR13MB5485.namprd13.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2db55fcc-4da7-4d7b-c8bd-08dcc6962901 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Aug 2024 12:45:41.4618 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0fee8ff2-a3b2-4018-9c75-3a1d5591fedc X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8IJMGn6kwpPmWlf1bYXw3EaPh0cyejQ0ZPt7z5bZE0afnBX0R1LrBQHcEcC1HmMqPxGzoNmFIk3j3F94HAvHNw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR13MB5435 Message-ID-Hash: TRGC74YS6LZQ7WPH6QZV2JTF5YNEH7MU X-Message-ID-Hash: TRGC74YS6LZQ7WPH6QZV2JTF5YNEH7MU X-MailFrom: james.n.guichard@futurewei.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-mpls.ietf.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: "mpls@ietf.org" X-Mailman-Version: 3.3.9rc4 Precedence: list Subject: =?utf-8?q?=5Bmpls=5D_AD_review_for_draft-ietf-mpls-mna-usecases-10?= List-Id: Multi-Protocol Label Switching WG Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --_000_MW5PR13MB5485ADDA47C1BE85C40F2E1CD2942MW5PR13MB5485namp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear Authors, Thank you for this document. Please see my comments for v-10 (line numbers = from nits provided). =3D=3D Outdated reference: A later version (-10) exists of draft-ietf-mpls-mna-fwk-09 19 associated ancillary data within MPLS packets. There are interest = in Jim> s/are/is or perhaps s/are/is community interest in=85 88 This document describes cases that introduce functions that are bas= ed Jim> s/describes cases/describes use cases. Also, perhaps state that the fu= nctions require special processing by forwarding hardware rather than are = =91based=92 e.g. s/are based on/require special 89 on special processing by forwarding hardware. Previously, that Jim> Instead of =91previously=92 I would state that current state-of-the-ar= t requires the allocation of special-purpose labels. 90 required the allocation of a new special-purpose label or extended 91 special-purpose label. To conserve that limited resource, an MPLS Jim> Please provide a reference for special-purpose label for readers that = are not familiar with it. 92 Network Action (MNA) approach was introduced to extend the MPLS Jim> I would say that the MNA approach has been =91proposed=92 as =91introd= uced=92 implies that it has already been standardized within the MPLS archi= tecture. 93 architecture. MNA is expected to enable functions that may require 94 carrying additional ancillary data within the MPLS packets, as well 95 as means to indicate the ancillary data is present and a specific Jim> s/means/a means 163 2. Use Cases 165 2.1. No Further Fastreroute Jim> s/Fastreroute/Fast Reroute 266 2.4. NSH-based Service Function Chaining 268 [RFC8595] describes how Service Function Chaining can be realized i= n 269 an MPLS network by emulating the Network Service Header (NSH) using Jim> Please add a reference to RFC 8300 for NSH. 320 the presence of a control channel associated witha PW, LSP, or Jim> s/witha/with a 340 allow for the co-existance and backward compatibility with all such Jim> s/co-existance/coexistence 343 4. Co-existence of the MNA Use Cases 345 Two or more of the aforementioned use cases may co-exist in the sam= e 346 packet. This may require the presence of multiple ancilary data Jim> s/ancilary/ancillary Thanks! Jim --_000_MW5PR13MB5485ADDA47C1BE85C40F2E1CD2942MW5PR13MB5485namp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Dear Authors,

 

Thank you for this document. Please see my comments = for v-10 (line numbers from nits provided).

 

  =3D=3D Outdated reference: A later version (-10) exists of

     <= /span>draft-ietf-mpls-mna-fwk-09

 

19=       associated ancillary data within MPLS packets.  There are interest in

 

Jim> s/are/is or perhaps s/are/is com= munity interest in=85

 

88=       This document describes cases that introduce func= tions that are based

 

Jim> s/describes cases/describes use = cases. Also, perhaps state that the functions require special processing by= forwarding hardware rather than are =91based=92 e.g. s/are based on/requir= e special

 

89=       on special processing by forwarding hardware.  Previously, that

 

Jim> Instead of =91previously=92 I wo= uld state that current state-of-the-art requires the allocation of special-= purpose labels.

 

90=       required the allocation of a new special-purpose = label or extended

91=       special-purpose label.  To conserve that limited resource, an MPLS=

 

Jim> Please provide a reference for s= pecial-purpose label for readers that are not familiar with it. 

 

92=       Network Action (MNA) approach was introduced to e= xtend the MPLS

 

Jim> I would say that the MNA approac= h has been =91proposed=92 as =91introduced=92 implies that it has already b= een standardized within the MPLS architecture. 

 

93=       architecture.  MNA is expected to enable functions that may requ= ire

94=       carrying additional ancillary data within the MPL= S packets, as well

95=       as means to indicate the ancillary data is presen= t and a specific

 

Jim> s/means/a means

 

163   2.  Use Cases

 

165   2.1.  No Further Fastreroute

 

Jim> s/Fastreroute/Fast Reroute

 

266   2.4.  NSH-based Service Function Chaining

 

268     [RFC8595] describes how Service Function Chaining= can be realized in

269     an MPLS network by emulating the Network Service = Header (NSH) using

 

Jim> Please add a reference to RFC 83= 00 for NSH.

 

320     the presence of a control channel associated with= a PW, LSP, or

 

Jim> s/witha/with a=

 

340     allow for the co-existance and backward compatibi= lity with all such

 

Jim> s/co-existance/coexistence

 

343   4.  Co-existence of the MNA Use Cases

 

345     Two or more of the aforementioned use cases may c= o-exist in the same

346     packet.  This may require the presence of multiple ancilary data<= /span>

 

Jim> s/ancilary/ancillary=

 

 

Thanks!

 

Jim

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