excuse bad email form.  this is an ipad.
randy

On Nov 22, 2010, at 9:27, "George, Wes E [NTK]" <wesley.e.geo...@sprint.com> 
wrote:

> In general, I support advancement of this draft, since it is largely
> documenting an existing practice, but I think that Mark brings up a few
> points that should be incorporated as clarification in the draft. More
> comments below inline
> 
> Wes George
> 
>> -----Original Message-----
>> From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On Behalf Of
>> Miya Kohno
>> Sent: Sunday, November 21, 2010 8:42 AM
>> To: Mark Smith
>> Cc: 6man Mailing List
>> Subject: RE: 6MAN WG Last Call: <draft-ietf-6man-prefixlen-p2p-00.txt>
>> 
>> Hi Mark,
>> 
>> (a)-(c):
>> Link local is orthogonal in this topic. This document does not address
>> it.
> 
> [WES] Then my recommendation would be to explicitly state this in the
> document. Perhaps something specifying that this document only discusses use
> of /127 for global scope IPv6 space, and link-local /127 links is out of
> scope for the document.
>> 
>> (d)-(f):
>> Static IPv6 neighbor has been used occasionally. There are quite a few
>> sources which describe it, so please refer to them.
> 
> [WES] No, you should have informative references to them in the document
> rather than leaving the reader to infer/find them. And specifically for D
> and E, you need to provide some guidance to implementers on what should be
> done in these cases.
>> 
>> (g):
>> This document didn't go any further into the definition of IID. But it
>> did prevent addresses with all zeros in the rightmost 64 bits.
>> 
>> Thanks,
>> Miya
>>> -----Original Message-----
>>> From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On Behalf
>> Of
>>> Mark Smith
>>> Sent: Sunday, November 21, 2010 8:22 AM
>>> Cc: 6man Mailing List
>>> Subject: Re: 6MAN WG Last Call: <draft-ietf-6man-prefixlen-p2p-
>> 00.txt>
>>> 
>>> 
>>> (a) is link local addressing required/supported on these types of
>>> links?
>>> 
>>> (b) if so, what is their prefix length?
>>> 
>>> (c) if so, how are the IIDs automatically determined/derived?
>>> 
>>> (d) if ND is switched off on multi-access technology (e.g. ethernet)
>>> point-to-point links, as the draft says it can be, how are neighbor
>>> cache entries for the remote layer 3 to layer 2 address mappings
>>> created? Manual? Promiscuous mode on the receiving end?
>>> 
>>> (e) How is the situation that one end switches off ND but the other
>> end
>>> doesn't handled?
>>> 
>>> (f) if ND is switched off, how is DAD and/or NUD performed on the
>>> addresses? Link state can't be assured to be a NUD indicator on
>>> multi-access links, and DAD would be useful to prevent IID collisions
>>> when there is a 50:50 chance of getting it wrong.
>>> 
>>> (g) IPV6CP uses IID of zero to indicate an unset IID, to which the
>> peer
>>> will respond with a suggested non-zero IID -
>>> 
>>> "  If the two interface identifiers are different but the received
>>>   interface identifier is zero, a Configure-Nak is sent with a
>> non-zero
>>>   interface-identifier value suggested for use by the remote peer.
>>>   Such a suggested interface identifier MUST be different from the
>>>   interface identifier of the last Configure-Request sent to the
>> peer."
>>> 
>>> How is that supposed to now work when /127s create ::0 IIDs?
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On Thu, 18 Nov 2010 16:34:45 -0800
>>> Bob Hinden <bob.hin...@gmail.com> wrote:
>>> 
>>>> All,
>>>> 
>>>> This message starts a 6MAN Working Group Last Call on advancing:
>>>> 
>>>>    Title           : Using 127-bit IPv6 Prefixes on Inter-Router
>>> Links
>>>>    Author(s)       : M. Kohno, et al.
>>>>    Filename        : draft-ietf-6man-prefixlen-p2p-00.txt
>>>>    Pages           : 9
>>>>    Date            : 2010-10-15
>>>> 
>>>>       http://tools.ietf.org/html/draft-ietf-6man-prefixlen-p2p-00
>>>> 
>>>> as a Proposed Standard.  Substantive comments and statements of
>> support
>>> for advancing this document should be directed to the mailing list.
>>> Editorial suggestions can be sent to the authors.  This last call
>> will
>> end
>>> on December 6, 2010.
>>>> 
>>>> Regards,
>>>> Bob Hinden & Brian Haberman
>>>> 6MAN Chairs
>>>> 
>>>> -------------------------------------------------------------------
>> -
>>>> IETF IPv6 working group mailing list
>>>> ipv6@ietf.org
>>>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
>>>> -------------------------------------------------------------------
>> -
>>> --------------------------------------------------------------------
>>> IETF IPv6 working group mailing list
>>> ipv6@ietf.org
>>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
>>> --------------------------------------------------------------------
>> --------------------------------------------------------------------
>> IETF IPv6 working group mailing list
>> ipv6@ietf.org
>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
>> --------------------------------------------------------------------
> 
> --------------------------------------------------------------------
> IETF IPv6 working group mailing list
> ipv6@ietf.org
> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
> --------------------------------------------------------------------
--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------

Reply via email to