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Re: [ns] DiffServ: EF and AF



I think the realization of EF and AF of Diffserv depend on how you set your
type and
parameters ofpolicer and RED paremeters.  That is, you should write your own
scripts
to simulate EF and AF.
Xiang
 ----- Original Message -----
From: "Adnen Jarraya" <[email protected]>
To: <[email protected]>
Sent: Thursday, October 18, 2001 5:46 AM
Subject: [ns] DiffServ: EF and AF


> Hi!
> I'm using NS2.1b8a and would like to run a simulation using expedited
> and assured forwarding per hop behaviors.
> I read, these PHBs are already implemented in the Nortel Networks
> DiffServ Model (which is included in NS2.1b8a).
> But I couldn't find any documentation mentioning explicitly the use of EF
> and AF PHBs and -as far as I understood- the delivered simulation scripts
> for DiffServ just assign different codepoints to different traffic
> flows matching thus only different classes and precedences of the AF
> service.
> How can I simulate EF and AF PHB in the same network scenario? Can anyone
> help?
>
> Thanks in advance,
> Adnen Jarraya
>