Re: (no subject)

Please also see RFC 3248, which is an alternative (Informational)
revision of RFC 2598.

   Brian

Shahram Davari wrote:
> 
> Hi,
> 
> Please check RFC-3246 which obsoletes RFC-2598. Basically the answer to you question is that
> it is not possible to fulfill that requirement over all time intervals. That is why RFC-3246  introduces error terms (E_a and E_p) for packet scale rate guarantee.
> 
> Yours,
> -Shahram
> 
> > -----Original Message-----
> > From: hchang [mailto:[email protected]]
> > Sent: Wednesday, June 05, 2002 1:00 PM
> > To: Diffserv
> > Subject: [Diffserv] (no subject)
> >
> >
> > hi,i have a question about the EF PHB.
> > the EF service must obey the following condition :(rfc 2598)
> > Conditioning the aggregate (via policing and shaping) so that
> > its arrival rate at any node is always less
> > than that node's configured minimum departure rate.
> >       we use traffic conditioners at the edge nodes of the
> > DiffServ domain to achieve this target.
> > my question is that if a node has several upstream nodes,for
> > example ,3 upstream nodes, but they are all not the edge
> > nodes.according to the condition,the sum arrival rate from
> > the  3 upstream nodes must less than the configured minimum
> > departure rate,how can we achieve this in a dynamic network state?

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