Re: [Gen-art] Gen-ART Telechat Call review of draft-ietf-l3vpn-mvpn-mldp-nlri-07
Martin Vigoureux <martin.vigoureux@alcatel-lucent.com> Tue, 25 November 2014 16:38 UTC
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Date: Tue, 25 Nov 2014 17:37:50 +0100
From: Martin Vigoureux <martin.vigoureux@alcatel-lucent.com>
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To: Jari Arkko <jari.arkko@ericsson.com>, Meral Shirazipour <meral.shirazipour@ericsson.com>, erosen@juniper.net
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Subject: Re: [Gen-art] Gen-ART Telechat Call review of draft-ietf-l3vpn-mvpn-mldp-nlri-07
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Jari, Meral, Eric had changed of email address. I have forwarded him the review when it came out. He took note but said he would submit the updated draft few weeks after due to the pre-IETF submission cut-off. I guess it should come out soon. However, I am not sure about the change, but I'll let Eric comment on this also. The draft defines ranges: 0x01-0x3f: Generic/PIM Range 0x41-0x7f: mLDP Range 0x80-0xff: reserved The fact that 0x41 and 0x42 are reserved is not a reason to shrink the range. The assigned code points are such that the low order six bits are the same in the two ranges so for consistency reason it make sense to have ranges of equal length. In fact the draft says: In general, whenever an assignment is requested from this registry, two codepoints should be requested at the same time: one from the Generic/PIM range and one from the mLDP range. The two codepoints should have the same low-order 5 bits. If one of the two codepoints is not actually needed, it should be registered anyway, and marked as "reserved". And the draft for example assigns 0x01 to Intra-AS I-PMSI A-D route. So, 0x41 is also assigned to "Reserved" and so should be part of the mLDP Range. By the way, Eric, I have spotted two typos. You say In general, whenever an assignment is requested from this registry, two codepoints should be requested at the same time: one from the Generic/PIM range and one from the mLDP range. The two codepoints should have the same low-order 5 bits. If one of the two codepoints is not actually needed, it should be registered anyway, and marked as "reserved". And IANA has been requested to allocate codepoints for these three route types such that (a) the high order two bits have the value 0x01, and (b) the low order bit six bits have the same value as the codepoints for the corresponding route types from [MVPN-BGP]. First paragraph talks about same low-order 5 bits while the latter one about 6 bits, and on top of that there is and extra "bit" in the sentence. -m Le 25/11/2014 16:29, Jari Arkko a écrit : > Is there a response to this? It seems important that the ranges are correct. > > Jari > > On 24 Nov 2014, at 09:21, Meral Shirazipour <meral.shirazipour@ericsson.com> wrote: > >> I am the assigned Gen-ART reviewer for this draft. For background on Gen-ART, please see the FAQ at < http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>. >> Please wait for direction from your document shepherd or AD before posting a new version of the draft. >> Document: draft-ietf-l3vpn-mvpn-mldp-nlri-07 >> Reviewer: Meral Shirazipour >> Review Date: 2014-11-24 >> IETF LC End Date: 2014-10-27 >> IESG Telechat date: 2014-11-25 >> >> Summary: This draft is ready to be published as Standards Track RFC but I have some comments . >> >> Minor issue: >> -> >> page [Page 8]: >> " >> - Range 0x41-0x7f: mLDP Range. Values are assigned from this range >> when the NLRI format associated with the route type presupposes >> that mLDP is the C-multicast control protocol. >> >> " >> >> Should it be should it be Range 0x43-0x7f ? since 0x40-0x42 is Reserved. >> >> Nits: >> -> >> Please see LC message as well: http://www.ietf.org/mail-archive/web/gen-art/current/msg10805.html >> >> >> Best Regards, >> Meral >> --- >> Meral Shirazipour >> Ericsson >> Research >> www.ericsson.com >> _______________________________________________ >> Gen-art mailing list >> Gen-art@ietf.org >> https://www.ietf.org/mailman/listinfo/gen-art >
- [Gen-art] Gen-ART Telechat Call review of draft-i… Meral Shirazipour
- Re: [Gen-art] Gen-ART Telechat Call review of dra… Jari Arkko
- Re: [Gen-art] Gen-ART Telechat Call review of dra… Martin Vigoureux
- Re: [Gen-art] Gen-ART Telechat Call review of dra… Eric C Rosen
- Re: [Gen-art] Gen-ART Telechat Call review of dra… Meral Shirazipour
- Re: [Gen-art] Gen-ART Telechat Call review of dra… Jari Arkko