RE: New Version Notification for draft-petrescu-6man-ll-prefix-len-19.txt

Alex,

> -----Original Message-----
> From: Alexandre Petrescu [mailto:alexandre.petrescu@gmail.com]
> Sent: Tuesday, May 14, 2019 2:01 AM
> To: Templin (US), Fred L <Fred.L.Templin@boeing.com>
> Cc: IPv6 <ipv6@ietf.org>
> Subject: Re: New Version Notification for draft-petrescu-6man-ll-prefix-len-19.txt
> 
> Fred,
> 
> - if this document goes forward, its statement that the IID length of
>    the LL is variable can only be in line with IPv6-over-(foo) documents
>    which would discuss that value more precisely.

OK, thanks.

> To that end, I can
>    add an explicit paragraph in this draft.
> 
> - it is commonly admitted that IPv6-over-(foo) documents are indeed
>    responsible for discussing the link-local address format on specific
>    link layers.  Recently, this was reflected in:
>      - views expressing that IID len of LLs is independent of that of
>        GUAs/ULAs.
>      - to a certain extent, draft-farmer-6man-exceptions-64-09 expressing
>        that IID len for SLAAC - i.e. GUA/ULA _and_ LL - is specified in
>        IPv6-over-(foo) docs.
> 
> - however, despite an apparent freedom in decision that would result
>    from delegated responsibility to IPv6-over-(foo) documents, all recent
>    IPv6-over-(foo) documents are imposed to use the 64bit IID len which
>    is set in RFC4291 "IPv6 Addr Archi".

This seems like a classic tussle space; I am not sure whether adding new text
would either alleviate or exacerbate the tussle. In either case, the editor's
pen is in your hands so good luck.

Fred

> Alex
> 
> Le 13/05/2019 à 18:59, Templin (US), Fred L a écrit :
> > Alex,
> >
> > Without having read the draft, my understanding is that in general IPv6-over-(foo)
> > documents are responsible for discussing the link-local address format on specific
> > link layers. Would that remain the case if your document goes forward?
> >
> > Thanks - Fred
> >
> >> -----Original Message-----
> >> From: ipv6 [mailto:ipv6-bounces@ietf.org] On Behalf Of Alexandre Petrescu
> >> Sent: Monday, May 13, 2019 1:55 AM
> >> To: IPv6 <ipv6@ietf.org>
> >> Subject: Fwd: New Version Notification for draft-petrescu-6man-ll-prefix-len-19.txt
> >>
> >> Hi 6MANners,
> >>
> >> I submitted version -19 of this draft.
> >>
> >> This is the changelog:
> >>
> >>      -19: updated authorship.
> >>
> >>      -18: updated an author address; added a justification about the
> >>      support of 54 set bits in LL addresses in a mixed vendor environment;
> >>      added an illustration of the RFC4291 link-local address.
> >>
> >> Alex
> >>
> >>
> >> -------- Message transféré --------
> >> Sujet : New Version Notification for
> >> draft-petrescu-6man-ll-prefix-len-19.txt
> >> Date : Mon, 13 May 2019 01:38:51 -0700
> >> De : internet-drafts@ietf.org
> >> Pour : Naveen Kottapalli <naveen.sarma@gmail.com>, Gyan S. Mishra
> >> <gyan.s.mishra@verizon.com>, Loganaden Velvindron <loganaden@gmail.com>,
> >> Alexandre Petrescu <Alexandre.Petrescu@cea.fr>, Dusan Mudric
> >> <dmudric@avaya.com>, Alexandre Petrescu <alexandre.petrescu@cea.fr>,
> >> Gyan Mishra <gyan.s.mishra@verizon.com>
> >>
> >>
> >> A new version of I-D, draft-petrescu-6man-ll-prefix-len-19.txt
> >> has been successfully submitted by Alexandre Petrescu and posted to the
> >> IETF repository.
> >>
> >> Name:		draft-petrescu-6man-ll-prefix-len
> >> Revision:	19
> >> Title:		The length of the prefix of an IPv6 link-local address ranges
> >> from 10 to 127
> >> Document date:	2019-05-13
> >> Group:		Individual Submission
> >> Pages:		16
> >> URL:
> >> https://www.ietf.org/internet-drafts/draft-petrescu-6man-ll-prefix-len-19.txt
> >> Status:
> >> https://datatracker.ietf.org/doc/draft-petrescu-6man-ll-prefix-len/
> >> Htmlized:
> >> https://tools.ietf.org/html/draft-petrescu-6man-ll-prefix-len-19
> >> Htmlized:
> >> https://datatracker.ietf.org/doc/html/draft-petrescu-6man-ll-prefix-len
> >> Diff:
> >> https://www.ietf.org/rfcdiff?url2=draft-petrescu-6man-ll-prefix-len-19
> >>
> >> Abstract:
> >>      A rejected Erratum to RFC4291 "IPv6 Addr Archi" on the topic of link-
> >>      local addresses 'would need' a draft.  This draft is an answer to
> >>      that need.
> >>
> >>      The length of the prefix of an IPv6 link-local address is variable.
> >>      The minimal value is 10 decimal.  The maximum value is 127 decimal.
> >>
> >>
> >>
> >>
> >> 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.
> >>
> >> The IETF Secretariat
> >>
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