Re: [Softwires] [Softwire] draft-ietf-softwire-map-00 does NOT reflect the consensus from the WG

[Peng Wu <[e-mail]>]

Satoru,

On Mon, Jun 25, 2012 at 3:18 PM, Satoru Matsushima
<[e-mail]> wrote:
> Hi Maoke-san,
>
> On 2012/06/25, at 12:07, Maoke wrote:
>
>> hi Satoru-san, Qiong, and all,
>>
>> i think the current 1:1 mode text of the draft should be tuned or, it would be better, to be removed.
>>
>> technically, i expect MAP as a completely per-session, per-subscriber stateless solution and therefore per-subscriber mapping rule is not accepted. in theory, of course, it could be an extension mode of MAP operation but, in practice, it makes the solution quite fuzzy, the code quite heavy. we (me and my company) wouldn't like to have a standard where supporting for both per-subscribe stateless and per-subscribe stateful mappings should be done together within a monolithic implementation. we support the lightweight 4over6 as an independent standard.
>>
>
> Hmm, I've read 'draft-cui-softwire-b4-translated-ds-lite' as you called 'lightweight 4over6'. LW46 for short, it looks me that MAP just provides LW46 a provisioning means which would be described in the section 5, or appendix section because following text described in section 5:
>
> "Other optional alternatives to retrieve the public address and port-
>  set also exist.  The specific protocol extensions are out of scope in
>  this document, however some alternatives are mentioned in the Appendix
>  section."
Let me take a step further following your direction:
You are saying MAP is a provisioning mean in lw4over6. Then, what exactly?
With IPv4-IPv6 addressing independency, you proivde an IPv4 address
and port set, within another DHCPv6 option?
No BMR, No FMR, No embedding address. Look at what's left. how is this
even similar to MAP?

>
> I think that MAP and LW46 is in relation of mutual complement. MAP doesn't obsolete LW46, and vice versa.
> Thought?
>
> cheers,
> --satoru
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