Brian E Carpenter writes:
> Bob Hinden wrote:
> >
> ..
> > I think you are going a bit far to suggest that the fate of Diffserv
> > depends on what the IPv6 w.g. does with the flow label field. I suspect
> > that Diffserv will live or die based on IPv4 usage. Also, as IPv6 is
> > deployed much of it will be initially carried over IPv4. Any QoS solution
> > that is going to be end-to-end will have to deal with a mix of native IPv6
> > and IPv4/IPv6 headers.
>
> Indeed, and since I don't quite see how IPSEC and NAT-PT are going to
> work together, the need that triggered this discussion (the need to
> classify ESP packets in the middle of the Internet) really doesn't arise
> in the case of translated packets. The concern is for a native IPv6 environment.
The current proposed lossage involves ESP over UDP.
In fact, that would probably provide you with what
you need for both v4 and v6.
Mike
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