Re: [v6ops] draft-byrne-v6ops-clatip WGLC

["George, Wes" <[e-mail]>]

I support adoption/publication of this draft. I think it’s useful to
codify the block that is already being used in a production network so
that others can take advantage of this implementation experience, and
v6ops is an acceptable place in which to do it.

Three comments:

First, this draft needs to formally update RFC 6333 in its metadata, as I
think there’s a need for a formal link between the two.

Second, there is a fairly small discussion about the potential conflict
between DSLite and 464XLat when they both use this reserved block. Right
now it primarily implies that it’s only locally significant, thus avoiding
global conflicts, but It might be worth expanding it a bit to discuss the
scope of that significance in a single network, I.e. either explicitly
recommend against using DSLite and 464XLat on the same network/routing
domain, or to explicitly confirm that this will work, discuss any design
considerations (such as location or isolation of the routing domain
between the B4 and the AFTR) to avoid conflicts.

Lastly, I’m not sure about the “IPv6 transitional Technology IPv4 Prefix”
designation, as this could lead to confusion by implying that it is
appropriate to be used for any IPv6 transition technology that needs a
small IPv4 prefix. That may be true, but it also may not be, so some
additional language clarify what you mean and recommending that other
potential uses for this address space should be separately evaluated might
be a good idea.

Thanks,

Wes



On 5/4/14, 2:00 PM, "Fred Baker" <[e-mail]> wrote:

>This is to initiate a two week working group last call of
>http://tools.ietf.org/html/draft-byrne-v6ops-clatip.
>
>This is unusual. Please bear with me here. We have discussed it several
>times. In March, the working group decided to offer it to softwire,
>whose chairs told me they wanted to take it on themselves and pursue
>it.  However, it is HOL blocked by MAP, which they want to complete
>first. With their concurrence, noting that the working group has said
>in the past couple of weeks that it wants to finish it, we need to
>finish it here.
>
>My game plan is to collect comments on the existing draft, including
>any idnits issues, and have Cameron post an update named
>draft-ietf-v6ops-clatip - a working group draft. If that passes the
>smell test, we'll send it to Joel.
>
>Please read it now. If you find nits (spelling errors, minor suggested
>wording changes, etc), comment to the authors; if you find greater
>issues, such as disagreeing with a statement or finding additional
>issues that need to be addressed, please post your comments to the
>list.
>
>We are looking specifically for comments on the importance of the
>document as well as its content. If you have read the document and
>believe it to be of operational utility, that is also an important
>comment to make.
>
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