Re: [BEHAVE] UDP zero checksums and v4 to v6 translators

[Rémi Després <remi.despres at free.fr>]

Le 4 août 09 à 13:35, Iljitsch van Beijnum a écrit :

> On 3 aug 2009, at 17:46, Rémi Després wrote:
>
> > if in charge of of an SIIT (which I am not either), I would ensure  
> > that rather than discarding IPv4 zero-checksum datagrams it  
> > forwards them with its zero checksum.
>
> That's pointless, because the IPv6 spec, against which  
> implementations have been heavily tested, reject such packets.

You seem to have missed that the proposal includes a relaxation of  
the constraint that zero-checksum UDP datagrams MAY be accepted by  
hosts ion the future, just to avoid unnecessary black holes in case  
of v4 to v6 translations.

Is progress from what is implemented today a taboo?
(I hope not.)

> There is really no substitute for doing the right thing.

Agreed.

RD