Re: Admission Control In DiffServ

Diffserv does not deal with individual "calls". Traffic entering a given behaviour aggregate
may be policed at the ingress router, if the particular PHB requires policing. That is
as close as we get to admission control in the architecture.

If you want to discuss this further please use the diffserv-interest list.

   Brian

> "Ashkenazi, Liat (Liat)" wrote:
> 
> Hello!
> 
> I'm investigating the DiffServ Issue.
> 
> I don’t understand how we can do admission control in DiffServ?
> 
> How the administrator can know the condition of the network (is it loaded or available to get another “call”)?
> 
> In ATM for example we know that the administrator check for each “call” if there is enough bandwidth and decide by advance the
> end to end path.
> 
> How it works in DiffServ?
> 
> Is there relation between the admission control and the routing algorithm?
> 
> Thank You, Liat Ashkenazi.
> 
> [email protected]

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Brian E Carpenter 
Distinguished Engineer, Internet Standards & Technology, IBM 
On assignment at the IBM Zurich Laboratory, Switzerland

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