[OSPF] Re: [Fwd: [mpls] WG Last Call on draft-ietf-mpls-number-0-bw-te-lsps-02.txt]
Acee Lindem <acee@cisco.com> Thu, 30 November 2006 19:32 UTC
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Date: Thu, 30 Nov 2006 14:32:32 -0500
From: Acee Lindem <acee@cisco.com>
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To: JP Vasseur <jvasseur@cisco.com>
References: <C12AE018.896F0%dward@cisco.com> <452C089D.5090204@cisco.com> <452C0A97.5010501@cisco.com> <ED2D9A4E-8D44-47B4-B3F9-5A6D7F6E7671@cisco.com> <456F0D4C.2070209@cisco.com> <4354A088-B93C-457F-93FD-55B8EB4A861A@cisco.com>
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Cc: George Swallow <swallow@cisco.com>, rtg-dir@ietf.org, isis-wg@ietf.org, ospf@ietf.org, David Ward <dward@cisco.com>, Loa Andersson <loa@pi.se>
Subject: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-ietf-mpls-number-0-bw-te-lsps-02.txt]
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JP - Sounds good. Acee JP Vasseur wrote: > Hi Acee, > > On Nov 30, 2006, at 11:56 AM, Acee Lindem wrote: > >> Hi JP, >> Looks good. See one question below. >> >> JP Vasseur wrote: >>> Hi Acee, >>> >>> Thanks for your comments - >>> >>> As soon as you ACK that the changes address your comments I'll post >>> the updated ID. >>> >>> see in line, >>> >>> On Oct 10, 2006, at 5:03 PM, Acee Lindem wrote: >>> >>>> JP, >>>> >>>> One more comment - Please write the document so that it can >>>> apply to OSPFv3 TE as well. The existing draft can be an informative >>>> reference (draft-ietf-ospf-ospfv3-traffic-07.txt) >>>> >>> >>> OK. Text added: >>> >>> OLD: >>> >>> The Number of 0-bandwidth TE LSP(s) sub-TLV is OPTIONAL and MUST >>> appear at most once within the Link TLV (Type 2) that is itself >>> carried within the Traffic Engineering LSA specified in >>> [RFC3630]. If >>> a second instance of the Number of 0-bandwidth TE LSP(s) sub-TLV is >>> present, the receiving system MUST only process the first >>> instance of >>> the sub-TLV. >>> >>> >>> NEW: >>> >>> The Number of 0-bandwidth TE LSP(s) sub-TLV is OPTIONAL and MUST >>> appear at most once within the Link TLV (Type 2) that is itself >>> carried within the OSPFv2 Traffic Engineering LSA specified in >>> [RFC3630] >>> or the OSPFv3 Intra-Area-TE LSA (function code 10) defined in >>> draft-ietf-ospf-ospfv3-traffic. >>> If a second instance of the Number of 0-bandwidth TE LSP(s) >>> sub-TLV is >>> present, the receiving system MUST only process the first >>> instance of >>> the sub-TLV. >>> >>> see below >>> >>>> Thanks, >>>> Acee >>>> >>>> Acee Lindem wrote: >>>>> I've reviewed the subject document and don't have any comments on it >>>>> from the perspective of the OSPF WG. However, I have the following >>>>> comments as a member of the routing directorate (copying JP): >>>>> >>>>> 1. Why the cryptic sub-TLV name? RFC 3630 doesn't define short >>>>> cryptic names for sub-TLVs so I don't really see why you've >>>>> defined >>>>> NB-0-BW-LSP? Why not just call it the Unconstrained LSP >>>>> Count sub-TLV? >>>>> Or at least come up with a better short name :^), e.g. >>>>> BW-0-LSP-CNT. >>> >>> Yes, no problem. I renamed it ;-) >>> >>> Number of 0-bandwidth TE LSP(s) sub-TLV. >>> >>>>> 2. How did you arrive at 19 for the suggested value for the >>>>> sub-TLV type? I checked >>>>> IANA and 18 is the next available. I may be missing a >>>>> document though. >>> >>> As documented, 18 looks the next one available (when I first wrote >>> the ID I vaguely remember having seen another ID using 18 but I'm >>> not quite sure). Let's propose 18 and will see with IANA. >>> >>>>> 3. Do you want to reserve a value (e.g., 0xffffffff) to >>>>> indicate no unconstrained >>>>> LSPs are to traverse a given link. >>> >>> Let's just use the value 0. >> Since this is the current number wouldn't there be ambiguity between >> designating there >> are currently no BW-0 LSPs traversing this link and no BW-0 LSPs are >> allowed >> to traverse this linke? > > Other attributes such as affinity should be used to not allows 0-bw TE > LSP to traverse a specific link. This TLV is only used to report the > number of such TE LSPs traversing the link. > > Thanks. > > JP. > >> >> Thanks, >> Acee >> >>> >>>>> 4. Nit - in section 4, replace "OSPF LSA" with "OSPF LSAs" and >>>>> "ISIS LSP" >>>>> with "ISIS LSPs". >>> >>> Thanks. >>> >>> Cheers. >>> >>> JP. >>> >>>>> >>>>> Thanks, >>>>> Acee >>>>> David Ward wrote: >>>>>> Do you want our WG to review? Co-Last Call (as we have for other >>>>>> WG that >>>>>> affect our protocol)? Do you have a desired date for end of last >>>>>> call from >>>>>> the IGPs? >>>>>> >>>>>> Thanks >>>>>> >>>>>> -DWard >>>>>> >>>>>> >>>>>> On 9/4/06 5:01 AM, "Loa Andersson" <loa@pi.se> wrote: >>>>>> >>>>>> >>>>>>> All, >>>>>>> >>>>>>> the MPLS working group want to notify the ospf and is-s >>>>>>> working groups, as well as the routing directorate that >>>>>>> we are currently doing a wg last call on >>>>>>> draft-ietf-mpls-number-0-bw-te-lsps-02.txt. >>>>>>> >>>>>>> Loa and George >>>>>>> >>>>>>> >>>>>>> -------- Original Message -------- >>>>>>> Subject: [mpls] WG Last Call on >>>>>>> draft-ietf-mpls-number-0-bw-te-lsps-02.txt >>>>>>> Date: Fri, 01 Sep 2006 10:08:10 +0200 >>>>>>> From: Loa Andersson <loa@pi.se> >>>>>>> Organization: Acreo AB >>>>>>> To: mpls@ietf.org >>>>>>> >>>>>>> Working Group, >>>>>>> >>>>>>> this initiates a two week working group last call on >>>>>>> draft-ietf-mpls-number-0-bw-te-lsps-02.txt >>>>>>> >>>>>>> The wg last call ends on September 17. >>>>>>> >>>>>>> Please send comments to the working group mailing list and/or >>>>>>> the working group chairs. >>>>>>> >>>>>>> /Loa and George >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> >>> >>> >> > > _______________________________________________ OSPF mailing list OSPF@ietf.org https://www1.ietf.org/mailman/listinfo/ospf
- [OSPF] [Fwd: [mpls] WG Last Call on draft-ietf-mp… Acee Lindem
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… Acee Lindem
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… Acee Lindem
- [OSPF] Re: [Isis-wg] Re: [Fwd: [mpls] WG Last Cal… JP Vasseur
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… JP Vasseur
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… Acee Lindem
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… JP Vasseur
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… Acee Lindem
- [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-iet… JP Vasseur
- Re: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft… Curtis Villamizar
- Re: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft… JP Vasseur
- Re: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft… Curtis Villamizar
- Re: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft… JP Vasseur