Re: Last Call: draft-manner-router-alert-iana (IANA Considerations for the IPv4 and IPv6 Router Alert Option) to Proposed Standard
Jukka MJ Manner <jmanner@cc.hut.fi> Fri, 15 August 2008 16:17 UTC
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Date: Thu, 14 Aug 2008 22:35:01 +0300
From: Jukka MJ Manner <jmanner@cc.hut.fi>
To: Jari Arkko <jari.arkko@piuha.net>
Subject: Re: Last Call: draft-manner-router-alert-iana (IANA Considerations for the IPv4 and IPv6 Router Alert Option) to Proposed Standard
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Cc: draft-manner-router-alert-iana@tools.ietf.org, ietf@ietf.org, Robert Elz <kre@munnari.OZ.AU>
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Got it, thanks. Jukka On Thu, 14 Aug 2008, Jari Arkko wrote: > Jukka, > >> Both registries will use 32 values for the aggregation levels. For IPv6 >> RAO, value 3 is removed but value 35 is kept. Thus, IPv6 will have values >> 4-35 (=32 values) for the 32 levels. > > OK > >> We can make this more clear, yet, I already answered a question from IANA >> about this a couple of weeks ago, so they are aware of how the registry >> should be changed. > Which is good, but I was hoping the RFC itself would also be clear on this. > How about this: > > OLD: > | 3 | Aggregated Reservation | Aggregated Reservation | > | | Nesting Level 3 | Nesting Level 0 [RFC3175] | > | | [RFC3175] | | > NEW: > | 3 | Aggregated Reservation | Aggregated Reservation | > | | Nesting Level 3 | Nesting Level 0 [RFC3175](*) | > | | [RFC3175] | | > > OLD: > Note (*): The entry in the above table for the IPv6 RAO Value of 35 > (Aggregated Reservation Nesting Level 32) has been marked due to an > inconsistency in the text of [RFC3175], and that is consequently > reflected in the IANA registry. In that document the values 3-35 > (i.e. 33 values) are defined for nesting levels 0-31 (i.e. 32 > levels). > > It is unclear why nesting levels begin at 1 for IPv4 (described in > section 1.4.9 of [RFC3175]) and 0 for IPv6 (allocated in section 6 of > [RFC3175]). > NEW: > Note (*): The entry in the above table for the IPv6 RAO Value of 35 > (Aggregated Reservation Nesting Level 32) has been marked due to an > inconsistency in the text of [RFC3175], and that is consequently > reflected in the IANA registry. In that document the values 3-35 > (i.e. 33 values) are defined for nesting levels 0-31 (i.e. 32 > levels). Similarly, value 3 is duplicate, because aggregation > level 0 means end-to-end signaling, and this already has an IPv6 > RAO value "1" assigned. > > Also note that nesting levels begin at 1 for IPv4 (described in > section 1.4.9 of [RFC3175]) and 0 for IPv6 (allocated in section 6 of > [RFC3175]). > > Section 3.2 of this document redefines these so that for IPv6, > value 3 is no longer used and values 4-35 represent levels > 1-32. This removes the above inconsistencies. > > _______________________________________________ Ietf mailing list Ietf@ietf.org https://www.ietf.org/mailman/listinfo/ietf
- Re: Last Call: draft-manner-router-alert-iana (IA… Robert Elz
- Re: Last Call: draft-manner-router-alert-iana (IA… Joe Baptista
- Re: Last Call: draft-manner-router-alert-iana (IA… Jari Arkko
- Re: Last Call: draft-manner-router-alert-iana (IA… Jukka MJ Manner
- Re: Last Call: draft-manner-router-alert-iana (IA… Jari Arkko
- Re: Last Call: draft-manner-router-alert-iana (IA… Jukka MJ Manner