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Re: [dna] Applicability statement for Simple DNA (Providing text toresolve issue #11)
I think that there may be cases where the host may benefit from simple DNA even when it attaches to a previously unvisited link. For example, as the host moves within the PMIP domain, the IPv6 prefix assigned to the host moves together with the host across ARs (MAGs). When attaching to a new link the host will see the new AR advertising the same prefix, but the old AR will not be reachable any more. In this case, the host should quickly update its default router to the address of the new AR to avoid loosing packets sent to the address of a previous default router. There is no need for the host to execute any address configuration/verification procedures. This would provide better handover perfomance when moving within the PMIP domain. Is this someting that could be accomodated by the simple DNA?
domagoj
> -----Original Message-----
> From: dna-bounces@ietf.org [mailto:dna-bounces@ietf.org] On
> Behalf Of Suresh Krishnan
> Sent: 23. rujan 2008 17:05
> To: dna@ietf.org; JinHyeock Choi; JinHyeock Choi
> Subject: [dna] Applicability statement for Simple DNA
> (Providing text to resolve issue #11)
>
> Hi Folks,
>
> I propose to add the following text to a new section
> called "Applicability" to resolve issue #11. The previous
> applicability section will be moved into a new section called
> "Working assumptions".
>
> NEW TEXT:
> =========
>
> The Simple DNA protocol is provides substantial benefits in some
> scenarios and does not provide any benefit at all in certain other
> scenarios. This is intentional as Simple DNA was designed for
> simplicity rather than completeness. In particular, the
> Simple DNA
> protocol provides maximum benefits when a host moves
> between a small
> set of known links. When a host moves to a completely
> new link that
> is previously unknown, the performance of the Simple DNA protocol
> will be identical to that using standard neighbor discovery
> procedures [RFC4861].
>
> If you have any issues with this text, please respond to this
> mail on list.
>
> Thanks
> Suresh
>
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