Re: Usage of IPv6 flow label

[Alex Conta]

Brian E Carpenter wrote:
> 
> [EMAIL PROTECTED] wrote:
> >
> > >It still isn't clear to me what the flow label adds to the semantics
> > >used by existing 5-tuple QOS classifiers.
> >
> >         just checking, here by "5-tuple" you meant:
> >         - IP address pair (src/dst)
> >         - layer 4 port number pair (src/dst)
> >         - protocol type
> >         is it correct?
> 
> Correct. And that will be used by classifiers in both IntServ and DiffServ
> implementations.
> [...]
> Brian

It also can be used by an ingress MPLS router to determine a Forwarding
Equivalence Class, 
when an unlabeled packet is being processed (and prepended the MPLS
label stack.)

Alex

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