From nobody Wed Feb 8 11:34:15 2023 Return-Path: X-Original-To: idr@ietfa.amsl.com Delivered-To: idr@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CC3A9C14F731 for ; Wed, 8 Feb 2023 02:31:42 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.9 X-Spam-Level: X-Spam-Status: No, score=-6.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=unavailable autolearn_force=no Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sXCEOHwDZus3 for ; Wed, 8 Feb 2023 02:31:41 -0800 (PST) Received: from vpn.nop.hu (vpn.nop.hu [217.61.5.97]) by ietfa.amsl.com (Postfix) with SMTP id 0353AC14CE5D for ; Wed, 8 Feb 2023 02:31:31 -0800 (PST) Received: from 2001:db8:8319::200:11ff:fe11:2222 (helo [IPV6:2001:db8:8319:0:200:11ff:fe11:2222]) by 2001:db8:1101::180 (helo vpn.nop.hu) (envelope-from ietf@nop.hu) with smtp (freeRouter v23.2.7-cur) for shares@ndzh.com dhrao@cisco.com bruno.decraene@orange.com cfilsfil@cisco.com luay.jalil@verizon.com yitai.syc@alibaba-inc.com jul738@att.com james.n.guichard@futurewei.com ketant.ietf@gmail.com keyur@arrcus.com rainsword.wang@huawei.com im8327@att.com swaagraw@cisco.com israel.means@att.com ietf@nop.hu dgowda@extremenetworks.com balajir@juniper.net dreshma@juniper.net mrajesh@juniper.net cy098d@att.com gyan.s.mishra@verizon.com mazen.khaddam@cox.com szarecki@google.com xiaohu.xu@capitalonline.net natv@juniper.net kaliraj@juniper.net idr-chairs@ietf.org jie.dong@huawei.com jmh@joelhalpern.com rare-dev@lists.geant.org Idr@ietf.org ; Wed, 08 Feb 2023 11:31:30 +0100 Content-Type: multipart/mixed; boundary="------------nLOqvA4JNnN0dcLS0Tnpmxcm" Message-ID: Date: Wed, 8 Feb 2023 11:31:29 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Content-Language: en-US To: Susan Hares , "dhrao@cisco.com" , "bruno.decraene@orange.com" , "cfilsfil@cisco.com" , "luay.jalil@verizon.com" , "yitai.syc@alibaba-inc.com" , "jul738@att.com" , "james.n.guichard@futurewei.com" , "ketant.ietf@gmail.com" , "keyur@arrcus.com" , "rainsword.wang@huawei.com" , "im8327@att.com" , "swaagraw@cisco.com" , "israel.means@att.com" , "ietf@nop.hu" , "dgowda@extremenetworks.com" , "balajir@juniper.net" , "dreshma@juniper.net" , "mrajesh@juniper.net" , "cy098d@att.com" , "gyan.s.mishra@verizon.com" , "mazen.khaddam@cox.com" , "szarecki@google.com" , "xiaohu.xu@capitalonline.net" , "natv@juniper.net" , "kaliraj@juniper.net" Cc: "idr-chairs@ietf.org" , "Dongjie (Jimmy)" , "Joel M. Halpern" , "rare-dev@lists.geant.org" , Idr@ietf.org References: From: ietf@nop.hu In-Reply-To: Archived-At: X-Mailman-Approved-At: Wed, 08 Feb 2023 11:34:14 -0800 Subject: Re: [Idr] CAR/CT merged document X-BeenThere: idr@ietf.org X-Mailman-Version: 2.1.39 Precedence: list List-Id: Inter-Domain Routing List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Feb 2023 10:31:42 -0000 This is a multi-part message in MIME format. --------------nLOqvA4JNnN0dcLS0Tnpmxcm Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit hi, rare/freerouter devvie here... as we previously had a -ct implementation, this was the right moment to start playing with the -car draft... please find attached the first successful bgp session with this afi, resulted in the following lfib table: r1#show ipv4 bgp 1 car labels prefix local evpn*16 pmsi*16 remote hop 1.1.1.0/30 null 0 0 928424 1.1.1.2 1.1.1.4/30 null 0 0 928424 1.1.1.2 2.2.2.2/32 null 0 0 928424 1.1.1.2 2.2.2.3/32 null 0 0 450533 1.1.1.2 3.3.3.0/24 null 0 0 132324 1.1.1.2 r1# this is the nlri part of packet #5 from the pcap showing the initial flood of the local prefixes from r1 in https://github.com/rare-freertr/freeRtr/blob/master/cfg/rout-bgp695.tst: 0000 10 09 01 1e 01 01 01 00 00 00 00 00 01 03 aa 0e 0010 31 10 09 01 20 02 02 02 01 00 00 00 00 01 03 aa 0020 0e 31 0f 08 01 18 03 03 03 00 00 00 00 01 03 aa 0030 0e 31 0f 08 01 18 03 03 04 00 00 00 00 01 03 aa 0040 0e 31 from now, we'll track this common draft closely, so once you're done with your stacks, please ping us for an interop test! :) br, csaba mate On 2/6/23 22:27, Susan Hares wrote: > Greetings CAR Author Team and CT Author team: > > The operators have expressed their wish to the IDR chairs to have a single color/intent-based solution rather than two solutions (CAR or CT). The operators in China have also > indicated their need for a solution that handles SRv6. > > The IDR chairs feel that a single proposed standard solution that adds additional error handling to an adaption of the CAR format within the multi-protocol format for AFI/SAFI: > > 0 1 2 3 > > 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Address Family ID (AFI)) | SAFI | NH length | > > +---------------------------------------------------------------+ > > | Network address of the Next Hop // > > +---------------------------------------------------------------+ > > | Reserved (0) | NLRI count | sequence of NLRIS | > > +---------------------------------------------------------------+ > > NLRI count This is a count of NRLIs which follow. This count improves some of the error handling scenarios. > > Where each NLRI has: > > 0 1 2 3 > > 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | NLRI Length | Key Length | NLRI Type | Intent type | > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Intent length | Intent (variable) // > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Prefix Length | IP Prefix (variable) // > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > Followed by optional TLVs encoded as below: > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > | Type | Length | Value (variable) // > > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > > NLRI count - > > Intent TLVs will be defined the working group. Intents may be: > > 1)Color > > 2)RD which is unique RD for intent. > > VPN Routing Distinguishers are included in the normal location in VPNs. This also means that VPN SAFIs will identify the Prefix. > > A requirement of this merged solution will be the full support for SRv6. > > Our email conversations with the operators have indicated that this solution is acceptable as a proposed standard solution. Since the operators have indicated the support for this > technical solution and a desire for a single solution, we are going to start a design team for proposed standard draft for Color/intent based on this solution. > > We would like a senior editor from the CAR author team and a senior editor from the CT author team to create this initial draft based on the above description. The editors will be > expected to do the following things: > > 1.Discuss the merge on a Design-Team mail list, > > 2.Put the document in the IDR WG github, > > 3.Keep track of issues on the IDR WG github, > > 4.Create the merged draft by IETF-116, > > 5.Provide a progress report at IETF-116, and > > 6.Participate in an interim after IETF-116. > > Please propose one or more senior editors from your team. The IDR chairs will select from your candidates one senior author from the CAR team and one senior author from the CT team. > > I have requested help from the IDR chairs (Jeff and Keyur) and the Spring Chairs (Bruno and Joel) to provide ongoing review for this document. I will remain the shepherd for the > process. > > Cheers, Sue > > (shares@ndzh.com ) > > [If you have trouble responding to this email, you may use my professor email address: > > Dr. Susan Hares: susaha1@regent.edu . ] > --------------nLOqvA4JNnN0dcLS0Tnpmxcm Content-Type: application/vnd.tcpdump.pcap; name="zzz.pcap" Content-Disposition: attachment; filename="zzz.pcap" Content-Transfer-Encoding: base64 1MOyoQIABAAAAAAAAAAAAAAABAABAAAApXXjY2itAwBnAAAAZwAAAAAAAAAiIgAAAAAREQgA RQAAWQAQAAD/BreKAQEBAQEBAQLmLwCzDcdS52ZyR4tQGGAAzM4AAP////////////////// //8AMQEEAAEAtAQEBAEUAgYBBAABAFMCBkEEAAAAAQICAgCldeNjaK0DAEkAAABJAAAAAAAA ACIiAAAAABERCABFAAA7ABEAAP8Gt6cBAQEBAQEBAuYvALMNx1MYZnJHi1AYYABR4gAA//// /////////////////wATBKV142NorQMAZwAAAGcAAAAAAAAAEREAAAAAIiIIAEUAAFkABAAA /wa3lgEBAQIBAQEBALPmL2ZyR4sNx1MYUBhgAMubAAD/////////////////////ADEBBAAC ALQEBAQCFAIGAQQAAQBTAgZBBAAAAAICAgIApnXjY5ilAwBJAAAASQAAAAAAAAAiIgAAAAAR EQgARQAAOwAZAAD/BrefAQEBAQEBAQLmLwCzDcdTK2ZyR89QGGAAUYsAAP////////////// //////8AEwSmdeNjgKkDAKgAAACoAAAAAAAAACIiAAAAABERCABFAACaABoAAP8Gtz8BAQEB AQEBAuYvALMNx1M+ZnJHz1AYYAChowAA/////////////////////wByAgAAAFtAAQEAQAIG AgEAAAABgA5LAAFTBAEBAQEAEAkBHgEBAQAAAAAAAQOqDjEQCQEgAgICAQAAAAABA6oOMQ8I ARgDAwMAAAAAAQOqDjEPCAEYAwMEAAAAAAEDqg4xpnXjY2itAwBJAAAASQAAAAAAAAAREQAA AAAiIggARQAAOwAOAAD/BreqAQEBAgEBAQEAs+YvZnJHzw3HU7BQGGAAUQYAAP////////// //////////8AEwSmdeNj6N8FAIgAAACIAAAAAAAAABERAAAAACIiCABFAAB6ABIAAP8Gt2cB AQECAQEBAQCz5i9mckfiDcdTsFAYYAAMOQAA/////////////////////wBSAgAAADtAAQEA QAIGAgEAAAACgA4rAAFTBAEBAQIAEAkBHgEBAQAAAAAAAQPiqoEQCQEeAQEBBAAAAAABA+Kq gaZ142PQ4wUAEQEAABEBAAAAAAAAEREAAAAAIiIIAEUAAQMAFQAA/wa22wEBAQIBAQEBALPm L2ZySDQNx1OwUBhgAP2eAAD/////////////////////AEUCAAAALkABAQBAAgoCAgAAAAIA AAABgA4aAAFTBAEBAQIAEAkBIAICAgEAAAAAAQPiqoH/////////////////////AEECAAAA KkABAQBAAgYCAQAAAAKADhoAAVMEAQEBAgAQCQEgAgICAgAAAAABA+Kqgf////////////// //////8AVQIAAAA+QAEBAEACCgICAAAAAgAAAAOADioAAVMEAQEBAgAQCQEgAgICAwAAAAAB A+KqgQ8IARgDAwMAAAAAAQPiqoGmdeNj0OMFAHoAAAB6AAAAAAAAABERAAAAACIiCABFAABs ABcAAP8Gt3ABAQECAQEBAQCz5i9mckkPDcdTsFAYYAC36AAA/////////////////////wBE AgAAAC1AAQEAQAIKAgIAAAACAAAAAYAOGQABUwQBAQECAA8IARgDAwQAAAAAAQPiqoGndeNj gKkDAIwAAACMAAAAAAAAACIiAAAAABERCABFAAB+ACQAAP8Gt1EBAQEBAQEBAuYvALMNx1Ow ZnJJU1AYYAAr2QAA/////////////////////wBWAgAAAD9AAQEAQAIKAgIAAAABAAAAAoAO KwABUwQBAQEBABAJAR4BAQEEAAAAAAEDqg4xEAkBIAICAgIAAAAAAQOqDjGndeNjgKkDAJwA AACcAAAAAAAAACIiAAAAABERCABFAACOACUAAP8Gt0ABAQEBAQEBAuYvALMNx1QGZnJJU1AY YADk/AAA/////////////////////wBJAgAAADJAAQEAQAIOAgMAAAABAAAAAgAAAAOADhoA AVMEAQEBAQAQCQEgAgICAwAAAAABA6oOMf////////////////////8AHQIAAAAGgA8DAAFT p3XjY9DjBQBTAAAAUwAAAAAAAAAREQAAAAAiIggARQAARQAcAAD/BreSAQEBAgEBAQEAs+Yv ZnJJUw3HVGxQGGAA6C0AAP////////////////////8AHQIAAAAGgA8DAAFTp3XjY6DrBQBI AQAASAEAAAAAAAAREQAAAAAiIggARQABOgAhAAD/BraYAQEBAgEBAQEAs+YvZnJJcA3HVGxQ GGAAcA8AAP////////////////////8ARQIAAAAuQAEBAEACCgICAAAAAgAAAAGADhoAAVME AQEBAgAQCQEgAgICAQAAAAABAxhA0f////////////////////8ARQIAAAAuQAEBAEACCgIC AAAAAgAAAAOADhoAAVMEAQEBAgAQCQEgAgICAwAAAAABA23+Uf////////////////////8A RAIAAAAtQAEBAEACCgICAAAAAgAAAAOADhkAAVMEAQEBAgAPCAEYAwMDAAAAAAEDIE5B//// /////////////////wBEAgAAAC1AAQEAQAIKAgIAAAACAAAAAYAOGQABUwQBAQECAA8IARgD AwQAAAAAAQMLcTGodeNjaK0DAHsAAAB7AAAAAAAAACIiAAAAABERCABFAABtACgAAP8Gt14B AQEBAQEBAuYvALMNx1RsZnJKglAYYAB9/gAA/////////////////////wBFAgAAAC5AAQEA QAIKAgIAAAABAAAAAoAOGgABUwQBAQEBABAJAR4BAQEEAAAAAAEDZxGB4nXjY0jcAwBJAAAA SQAAAAAAAAAiIgAAAAAREQgARQAAOwA+AAD/Brd6AQEBAQEBAQLmLwCzDcdVP2ZySoJQGGAA TMQAAP////////////////////8AEwTideNjEAMGAEkAAABJAAAAAAAAABERAAAAACIiCABF AAA7ACoAAP8Gt44BAQECAQEBAQCz5i9mckqCDcdVUlAYYABMsQAA//////////////////// /wATBA== --------------nLOqvA4JNnN0dcLS0Tnpmxcm--