Carlos Alberto Kamienski wrote:
>
> > > > best effort then it requires no guarantees and you don't care about it
> > > > in your traffic engineering. It gets the lowest priority in the network
> > > > and is dropped in favor of the guaranteed traffic.
> > >
> > > and this is exactly what I dislike in the whole story
> > >
> >
> > now you are discussing network operation and traffic engineering. not
> > part of the discussion on SLS negotiation.
>
> BE traffic as it is thought today, should not need an e2e negotiation to
> work correctly. However it could be subject to a peer negotiation
> (adjacent providers).
>
> But, as we are trying to introduce the notion of e2e services with
> performance guarantees, will BE survive in the future ?
It is not only e2e services in strict sense. A Service Negotiation may
lead to an allowed aggregate of CoS traffic at a particular access link,
while the egress interfaces from the transport domain are unspecified.
Such a negotiation may equally well apply to BE.
> Or, how long will
> it survive ? Or, how much of BE traffic will survive ? (This means, what
> applications will keep using BE ?)
> Maybe it will appear some levels of better than best effort or lower than
> best effor e2e services.
>
> Carlos
>
cheers
Yves
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