Re: [BEHAVE] I-D Action:draft-ietf-behave-v6v4-xlate-03.txt

[Xing Li <xing at cernet.edu.cn>]

Brian E Carpenter 写道:
> Could we have an explicit list of the differences from SIIT?
> Maybe this would fit naturally in section 1.2.
>   

We will try to have a list.
> Also in section 1.2:
>
>   
> >    Fragmented IPv4 UDP packets that do not contain a UDP checksum (i.e.
> >    the UDP checksum field is zero) are not of significant use over wide-
> >    areas in the Internet and will not be translated by the IP/ICMP
> >    translator [Miller].
> >     
>
> That is a pretty old reference. We have some more recent data,
> e.g. Dongjin Lee's data:
> http://www.ietf.org/mail-archive/web/behave/current/msg06856.html
>
> (It doesn't change the conclusion, and the fact that the result is stable
> over a number years makes it stronger.)
>
>   
Thanks.

> > 2.1.  Translating IPv4 Headers into IPv6 Headers
> >
> >    If the DF flag is not set and the IPv4 packet will result in an IPv6
> >    packet larger than 1280 bytes the IPv4 packet MUST be fragmented
> >    prior to translating it.  
> >     
>
> draft-defeche-ipv6-traffic-in-p2p-networks-00.txt seems to tell us that
> this will be a very common case, which has engineering implications.
> I don't think there is any choice, however.
>   

Agree.

xing


>     Brian
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