Re: [Bier] WGLC : draft-ietf-bier-isis-extensions-07.txt
Eric C Rosen <[email protected]> Thu, 15 Feb 2018 09:46:47 -0500
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This is a multi-part message in MIME format. --===============4145917958673679872== Content-Type: multipart/alternative; boundary="------------8ED8C95D794EFB2D57286A5B" Content-Language: en-US This is a multi-part message in MIME format. --------------8ED8C95D794EFB2D57286A5B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Ice's reasoning makes sense to me. On 2/15/2018 3:11 AM, IJsbrand Wijnands (iwijnand) wrote: > Hi Folks, > > I support 16 bits because of the following reasons. > > For me it would make sense to align the Algorithm value to the "IGP > Algorithm" registry. This registry is defined in: > https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#section-8.5 > <https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_draft-2Dietf-2Dospf-2Dsegment-2Drouting-2Dextensions-2D24-23section-2D8.5&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=wFHQGdbIofGfam7tl7rnRjckYdcPp1WR-BqnaNE1mV8&e=> > > > In my opinion, this is going to cover 90% of the use-cases because > BIER is defined to run over a unicast underlay, so what ever is done > for Unicast, it will work for BIER automatically (like Flex Algo), and > avoids to duplicate registries. However, this registry is also 8 bits. > That means there is no room for anything else and I already know there > are different options about this. > > To avoid an other long debate/fight over these 8 bits, lets get more > bits now so we don't corner our selfs. Its a minor change to the draft. > > Lets not start a debate now on how BAR is used, as I'm sure we will > not reach agreement in time and we're gonna delay the IGP drafts. We > can start a discussion after the IGP draft are through and what all > the use-cases are we need to cover. I already look forward to those > discussions :-) > > Thx, > > Ice. > > Sent from my iPad > > On 15 Feb 2018, at 07:24, Jeff Tantsura <[email protected] > <mailto:[email protected]>> wrote: > >> +1 >> >> I’d really like to see justification for anything larger than 8 bits. >> >> Regards, >> Jeff >> >>> On Feb 14, 2018, at 18:30, Acee Lindem (acee) <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> I agree. As a point of reference, we've only have defined two IGP >>> algorithms so far and the segment routing draft dates back about 4 >>> years. >>> >>> https://www.iana.org/assignments/igp-parameters/igp-parameters.xhtml#igp-algorithm-types >>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.iana.org_assignments_igp-2Dparameters_igp-2Dparameters.xhtml-23igp-2Dalgorithm-2Dtypes&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=5yaJPFqWpr5V5oBQ4O7o779WCOla79NlPw5FEfmRAUY&e=> >>> >>> Even with more artistic freedom afforded to multicast, I still >>> believe 256 standard algorithms are enough. >>> >>> Thanks, >>> Acee >>> >>> On 2/14/18, 9:15 PM, "BIER on behalf of Dolganow, Andrew (Nokia - >>> SG/Singapore)" <[email protected] <mailto:[email protected]> >>> on behalf of [email protected] >>> <mailto:[email protected]>> wrote: >>> >>> Guys, >>> >>> I would think 8 bits are sufficient. Others (like SegRtg mentioned >>> below also use 8). 8 bits gives us tons of room to grow - especially >>> since we have only a single value defined currently (SFP 0). If we >>> have clear use cases that show us running out of 8 bits or getting >>> close to that we can/should discuss and evaluate extensions in light >>> of that but increasing the space "just in case" is not a prudent way >>> to go. >>> >>> Andrew >>> >>> -----Original Message----- >>> From: BIER <[email protected] <mailto:[email protected]>> >>> on behalf of Xiejingrong <[email protected] >>> <mailto:[email protected]>> >>> Date: Wednesday, February 14, 2018 at 5:06 PM >>> To: Arkadiy Gulko <[email protected] >>> <mailto:[email protected]>>, "[email protected] >>> <mailto:[email protected]>" <[email protected] <mailto:[email protected]>>, >>> "[email protected] <mailto:[email protected]>" <[email protected] >>> <mailto:[email protected]>> >>> Subject: Re: [Bier] WGLC : draft-ietf-bier-isis-extensions-07.txt >>> >>> Hi Arkadiy, >>> >>> I checked the latest >>> <draft-ietf-ospf-segment-routing-extensions-24> and >>> <draft-ietf-isis-segment-routing-extensions-15> for reference and >>> comparing, and they both use a 8 bits Algorithm. >>> One of the description: "Algorithm: Single octet identifying >>> the algorithm." >>> >>> Interesting to use more than 8 bits for BIER's future >>> flexibility :-) >>> >>> Regards, >>> XieJingrong >>> >>> >>> -----Original Message----- >>> From: BIER [mailto:[email protected]] On Behalf Of >>> [email protected] >>> <mailto:[email protected]> >>> Sent: Wednesday, February 14, 2018 8:42 AM >>> To: [email protected] <mailto:[email protected]>; [email protected] >>> <mailto:[email protected]> >>> Subject: [Bier] WGLC : draft-ietf-bier-isis-extensions-07.txt >>> >>> Hello Working Group, >>> After initial discussions between multiple participants of the >>> working group, we consolidated that BIER's future flexibility would >>> be well served if we extend the IGP signaling BAR field to 16 bits. >>> We are currently reviewing various use-cases that can greatly >>> benefit from this enhancement. >>> I would appreciate if the proposed change could be considered >>> as part of IETF Last Call review. >>> Thanks, >>> Arkadiy >>> >>> >>> -----Original Message----- >>> From: BIER [mailto:[email protected]] On Behalf Of >>> [email protected] <mailto:[email protected]> >>> Sent: Friday, February 09, 2018 5:11 PM >>> To: [email protected] <mailto:[email protected]> >>> Cc: [email protected] <mailto:[email protected]> >>> Subject: [Bier] I-D Action: draft-ietf-bier-isis-extensions-07.txt >>> >>> >>> A New Internet-Draft is available from the on-line >>> Internet-Drafts directories. >>> This draft is a work item of the Bit Indexed Explicit >>> Replication WG of the IETF. >>> >>> Title : BIER support via ISIS >>> Authors : Les Ginsberg >>> Tony Przygienda >>> Sam Aldrin >>> Jeffrey (Zhaohui) Zhang >>> Filename : draft-ietf-bier-isis-extensions-07.txt >>> Pages : 10 >>> Date : 2018-02-09 >>> >>> Abstract: >>> Specification of an ISIS extension to support BIER domains >>> and sub- >>> domains. >>> >>> >>> >>> The IETF datatracker status page for this draft is: >>> https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dbier-2Disis-2Dextensions_&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=3qPmQav_QUBjHi7KygPVk9bIhVZ7TL2Z3xfHOo_Cjwc&e= >>> >>> >>> There are also htmlized versions available at: >>> https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_draft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=_nTFvlAW24snrkMm3aQ2uWLFsLCajYeW4HO3DdEiwvs&e= >>> https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_html_draft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=zHWCGuyM-GSX-slbFtCv4fs9ml5gPQBeXohosuyhpx4&e= >>> >>> >>> A diff from the previous version is available at: >>> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_rfcdiff-3Furl2-3Ddraft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=pDVWzZrYzGia4WKiA_cSF0P5isUmMeojSvHJIGgdOTk&e= >>> >>> >>> >>> 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 >>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__tools.ietf.org&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=qZ3p2sAIpzRPXfiRBbzrB1rPAkaJXEKiz43EmIKO03Y&e=>. >>> >>> Internet-Drafts are also available by anonymous FTP at: >>> https://urldefense.proofpoint.com/v2/url?u=ftp-3A__ftp.ietf.org_internet-2Ddrafts_&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=wqMqmybm38ZiX4CuzJaNJPMea1Mf-pSgD-vdgAHk850&e= >>> >>> >>> _______________________________________________ >>> BIER mailing list >>> [email protected] <mailto:[email protected]> >>> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=kxUz28mTxGjbNsEQMGi8SMZ93LSiMt_bMFzqkWJJZnU&e= >>> >>> >>> _______________________________________________ >>> BIER mailing list >>> [email protected] <mailto:[email protected]> >>> https://www.ietf.org/mailman/listinfo/bier >>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=> >>> >>> _______________________________________________ >>> BIER mailing list >>> [email protected] <mailto:[email protected]> >>> https://www.ietf.org/mailman/listinfo/bier >>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=> >>> >>> >>> _______________________________________________ >>> BIER mailing list >>> [email protected] <mailto:[email protected]> >>> https://www.ietf.org/mailman/listinfo/bier >>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=> >>> >>> >>> _______________________________________________ >>> BIER mailing list >>> [email protected] <mailto:[email protected]> >>> https://www.ietf.org/mailman/listinfo/bier >>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=> >> >> _______________________________________________ >> BIER mailing list >> [email protected] <mailto:[email protected]> >> https://www.ietf.org/mailman/listinfo/bier >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=> > > > _______________________________________________ > BIER mailing list > [email protected] > https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwICAg&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e= --------------8ED8C95D794EFB2D57286A5B Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> Ice's reasoning makes sense to me.<br> <br> <div class="moz-cite-prefix">On 2/15/2018 3:11 AM, IJsbrand Wijnands (iwijnand) wrote:<br> </div> <blockquote type="cite" cite="mid:[email protected]"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <div>Hi Folks,</div> <div><br> </div> <div>I support 16 bits because of the following reasons.</div> <div><br> </div> <div>For me it would make sense to align the Algorithm value to the "IGP Algorithm" registry. This registry is defined in: <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_draft-2Dietf-2Dospf-2Dsegment-2Drouting-2Dextensions-2D24-23section-2D8.5&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=wFHQGdbIofGfam7tl7rnRjckYdcPp1WR-BqnaNE1mV8&e=" moz-do-not-send="true">https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-24#section-8.5</a> </div> <div><br> </div> <div>In my opinion, this is going to cover 90% of the use-cases because BIER is defined to run over a unicast underlay, so what ever is done for Unicast, it will work for BIER automatically (like Flex Algo), and avoids to duplicate registries. However, this registry is also 8 bits. That means there is no room for anything else and I already know there are different options about this.</div> <div><br> </div> <div>To avoid an other long debate/fight over these 8 bits, lets get more bits now so we don't corner our selfs. Its a minor change to the draft.</div> <div><br> Lets not start a debate now on how BAR is used, as I'm sure we will not reach agreement in time and we're gonna delay the IGP drafts. We can start a discussion after the IGP draft are through and what all the use-cases are we need to cover. I already look forward to those discussions :-)<br> <br> Thx,</div> <div><br> </div> <div>Ice.<br> <br> <div>Sent from my iPad</div> </div> <div><br> On 15 Feb 2018, at 07:24, Jeff Tantsura <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>> wrote:<br> <br> </div> <blockquote type="cite"> <div><span>+1</span><br> <span></span><br> <span>I’d really like to see justification for anything larger than 8 bits.</span><br> <span></span><br> <span>Regards,</span><br> <span>Jeff</span><br> <span></span><br> <blockquote type="cite"><span>On Feb 14, 2018, at 18:30, Acee Lindem (acee) <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>> wrote:</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span>I agree. As a point of reference, we've only have defined two IGP algorithms so far and the segment routing draft dates back about 4 years. </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.iana.org_assignments_igp-2Dparameters_igp-2Dparameters.xhtml-23igp-2Dalgorithm-2Dtypes&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=5yaJPFqWpr5V5oBQ4O7o779WCOla79NlPw5FEfmRAUY&e=" moz-do-not-send="true">https://www.iana.org/assignments/igp-parameters/igp-parameters.xhtml#igp-algorithm-types</a></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span>Even with more artistic freedom afforded to multicast, I still believe 256 standard algorithms are enough. </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span>Thanks,</span><br> </blockquote> <blockquote type="cite"><span>Acee </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span>On 2/14/18, 9:15 PM, "BIER on behalf of Dolganow, Andrew (Nokia - SG/Singapore)" <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a> on behalf of <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>> wrote:</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Guys,</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> I would think 8 bits are sufficient. Others (like SegRtg mentioned below also use 8). 8 bits gives us tons of room to grow - especially since we have only a single value defined currently (SFP 0). If we have clear use cases that show us running out of 8 bits or getting close to that we can/should discuss and evaluate extensions in light of that but increasing the space "just in case" is not a prudent way to go.</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Andrew</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> -----Original Message-----</span><br> </blockquote> <blockquote type="cite"><span> From: BIER <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>> on behalf of Xiejingrong <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>></span><br> </blockquote> <blockquote type="cite"><span> Date: Wednesday, February 14, 2018 at 5:06 PM</span><br> </blockquote> <blockquote type="cite"><span> To: Arkadiy Gulko <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>>, "<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>" <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>>, "<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>" <<a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>></span><br> </blockquote> <blockquote type="cite"><span> Subject: Re: [Bier] WGLC : draft-ietf-bier-isis-extensions-07.txt</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Hi Arkadiy,</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> I checked the latest <draft-ietf-ospf-segment-routing-extensions-24> and <draft-ietf-isis-segment-routing-extensions-15> for reference and comparing, and they both use a 8 bits Algorithm.</span><br> </blockquote> <blockquote type="cite"><span> One of the description: "Algorithm: Single octet identifying the algorithm."</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Interesting to use more than 8 bits for BIER's future flexibility :-)</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Regards,</span><br> </blockquote> <blockquote type="cite"><span> XieJingrong</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> -----Original Message-----</span><br> </blockquote> <blockquote type="cite"><span> From: BIER [<a href="mailto:[email protected]" moz-do-not-send="true">mailto:[email protected]</a>] On Behalf Of <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> Sent: Wednesday, February 14, 2018 8:42 AM</span><br> </blockquote> <blockquote type="cite"><span> To: <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a>; <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> Subject: [Bier] WGLC : draft-ietf-bier-isis-extensions-07.txt</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Hello Working Group,</span><br> </blockquote> <blockquote type="cite"><span> After initial discussions between multiple participants of the working group, we consolidated that BIER's future flexibility would be well served if we extend the IGP signaling BAR field to 16 bits. We are currently reviewing various use-cases that can greatly benefit from this enhancement.</span><br> </blockquote> <blockquote type="cite"><span> I would appreciate if the proposed change could be considered as part of IETF Last Call review.</span><br> </blockquote> <blockquote type="cite"><span> Thanks,</span><br> </blockquote> <blockquote type="cite"><span> Arkadiy</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> -----Original Message-----</span><br> </blockquote> <blockquote type="cite"><span> From: BIER [<a href="mailto:[email protected]" moz-do-not-send="true">mailto:[email protected]</a>] On Behalf Of <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> Sent: Friday, February 09, 2018 5:11 PM</span><br> </blockquote> <blockquote type="cite"><span> To: <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> Cc: <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> Subject: [Bier] I-D Action: draft-ietf-bier-isis-extensions-07.txt</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> A New Internet-Draft is available from the on-line Internet-Drafts directories.</span><br> </blockquote> <blockquote type="cite"><span> This draft is a work item of the Bit Indexed Explicit Replication WG of the IETF.</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Title : BIER support via ISIS</span><br> </blockquote> <blockquote type="cite"><span> Authors : Les Ginsberg</span><br> </blockquote> <blockquote type="cite"><span> Tony Przygienda</span><br> </blockquote> <blockquote type="cite"><span> Sam Aldrin</span><br> </blockquote> <blockquote type="cite"><span> Jeffrey (Zhaohui) Zhang</span><br> </blockquote> <blockquote type="cite"><span> Filename : draft-ietf-bier-isis-extensions-07.txt</span><br> </blockquote> <blockquote type="cite"><span> Pages : 10</span><br> </blockquote> <blockquote type="cite"><span> Date : 2018-02-09</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Abstract:</span><br> </blockquote> <blockquote type="cite"><span> Specification of an ISIS extension to support BIER domains and sub-</span><br> </blockquote> <blockquote type="cite"><span> domains.</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> The IETF datatracker status page for this draft is:</span><br> </blockquote> <blockquote type="cite"><span> <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dbier-2Disis-2Dextensions_&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=3qPmQav_QUBjHi7KygPVk9bIhVZ7TL2Z3xfHOo_Cjwc&e=" moz-do-not-send="true">https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dbier-2Disis-2Dextensions_&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=3qPmQav_QUBjHi7KygPVk9bIhVZ7TL2Z3xfHOo_Cjwc&e=</a> </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> There are also htmlized versions available at:</span><br> </blockquote> <blockquote type="cite"><span> <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_draft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=_nTFvlAW24snrkMm3aQ2uWLFsLCajYeW4HO3DdEiwvs&e=" moz-do-not-send="true">https://urldefense.proofpoint.com/v2/url?u=https-3A__tools.ietf.org_html_draft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=_nTFvlAW24snrkMm3aQ2uWLFsLCajYeW4HO3DdEiwvs&e=</a></span><br> </blockquote> <blockquote type="cite"><span> <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_html_draft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=zHWCGuyM-GSX-slbFtCv4fs9ml5gPQBeXohosuyhpx4&e=" moz-do-not-send="true">https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_html_draft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=zHWCGuyM-GSX-slbFtCv4fs9ml5gPQBeXohosuyhpx4&e=</a> </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> A diff from the previous version is available at:</span><br> </blockquote> <blockquote type="cite"><span> <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_rfcdiff-3Furl2-3Ddraft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=pDVWzZrYzGia4WKiA_cSF0P5isUmMeojSvHJIGgdOTk&e=" moz-do-not-send="true">https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_rfcdiff-3Furl2-3Ddraft-2Dietf-2Dbier-2Disis-2Dextensions-2D07&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=pDVWzZrYzGia4WKiA_cSF0P5isUmMeojSvHJIGgdOTk&e=</a> </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__tools.ietf.org&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=qZ3p2sAIpzRPXfiRBbzrB1rPAkaJXEKiz43EmIKO03Y&e=" moz-do-not-send="true">tools.ietf.org</a>.</span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> Internet-Drafts are also available by anonymous FTP at:</span><br> </blockquote> <blockquote type="cite"><span> <a href="https://urldefense.proofpoint.com/v2/url?u=ftp-3A__ftp.ietf.org_internet-2Ddrafts_&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=wqMqmybm38ZiX4CuzJaNJPMea1Mf-pSgD-vdgAHk850&e=" 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href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=kxUz28mTxGjbNsEQMGi8SMZ93LSiMt_bMFzqkWJJZnU&e=" moz-do-not-send="true">https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwICAg&c=4ZIZThykDLcoWk-GVjSLmy8-1Cr1I4FWIvbLFebwKgY&r=JA6g2ZDvIPLQHZqHQByKQq-jvOcxu4cQskARppQFqZc&m=TOz3rr3No8ReKzE_27M4FMDvmv6fa9xveuyL5HyTvYs&s=kxUz28mTxGjbNsEQMGi8SMZ93LSiMt_bMFzqkWJJZnU&e=</a> </span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> _______________________________________________</span><br> </blockquote> <blockquote type="cite"><span> BIER mailing list</span><br> </blockquote> <blockquote type="cite"><span> <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/bier</a></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span> _______________________________________________</span><br> </blockquote> <blockquote type="cite"><span> BIER mailing list</span><br> </blockquote> <blockquote type="cite"><span> <a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span> <a 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href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/bier</a></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span></span><br> </blockquote> <blockquote type="cite"><span>_______________________________________________</span><br> </blockquote> <blockquote type="cite"><span>BIER mailing list</span><br> </blockquote> <blockquote type="cite"><span><a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> </blockquote> <blockquote type="cite"><span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/bier</a></span><br> </blockquote> <span></span><br> <span>_______________________________________________</span><br> <span>BIER mailing list</span><br> <span><a href="mailto:[email protected]" moz-do-not-send="true">[email protected]</a></span><br> <span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwMGaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/bier</a></span><br> </div> </blockquote> <br> <fieldset class="mimeAttachmentHeader"></fieldset> <br> <pre wrap="">_______________________________________________ BIER mailing list <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a> <a class="moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwICAg&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=">https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mailman_listinfo_bier&d=DwICAg&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=-DXB84eU9m4cIlq2OOcCJCQQAwJXQQswyu3F0kG0VNo&m=IpRPsLKtgfyfQk0dyhyVNsVupKQyUKWP_faic5jyDyo&s=0xv4y5W1l17zAz77Pqu_Jjah0kcuvYCJnnZSv6lUBEU&e=</a> </pre> </blockquote> <br> </body> </html> --------------8ED8C95D794EFB2D57286A5B-- --===============4145917958673679872== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Isis-wg mailing list [email protected] https://www.ietf.org/mailman/listinfo/isis-wg --===============4145917958673679872==--