Re: [Softwires] comments on draft-carpenter-softwire-sample-00

[Brian E Carpenter <[e-mail]>]

Hi,

On 2010-09-27 21:05, WashamFan wrote:
> Hi,
> 
> It says,
> 
>    The SAMPLE server will act as an IPv6 router.  In the simplest case,
>    it will forward all IPv6 packets to a default route, except those
>    whose destination address lies within the PSAMPLE prefix, which will
>    be encapsulated and sent towards the host (CPE) and port indicated by
>    the V4ADDR and PN values.
> 
> 
> I think it is not appropriate to assume NAT traversal without
> relay can be always successful. 

I don't understand your comment. If you have a NAT that you cannot
traverse with UDP, you have many other problems, not just a lack
of IPv6 connectivity.


> Hairpinning might be always used
> for simplicity.

Yes, that is the SAMPLE model. And it's a discussion for the
community whether or not this is acceptable.

> 
> I'd like to know the status of the draft, is the WG pursuing this
> work?

There are three drafts aiming at the same problem, SAMPLE,
draft-lee-softwire-6rd-udp, and draft-despres-softwire-6rdplus.
Please hold your breath, there's hope of a joint proposal
from several authors within a few days.

   Brian