Re: [PCN] Architecture draft - probing section & general updates.

[Lars Eggert <[e-mail]>]

On 2007-10-23, at 16:38, ext Anna Charny (acharny) wrote:
> I meant roughly the following. Suppose many ingress-egress aggregates
> have on the average 1 flow.  If you have just one flow per
> ingress-egress aggregate, when this flow arrives and is the only one
> active in its ingress-egress pair, and if no
> probing of any kind is used, then effectively there is no admission
> control for this aggregate.  If many such aggregates share a  
> bottleneck,
> then effectively all these ingress-egress aggregates have to be  
> admitted
> regardless of the state of the bottleneck.  In the extreme, if all
> ingress-egress aggregates sharing a bottleneck consist of one flow,  
> then
> this bottleneck effectively does not have any admission control.  In
> such situations probing might be quite useful, as it will enable
> admission control.

To me, this looks like an awfully unlikely corner case. Do we really  
need to spend effort to make sure admission control can happen in  
this case? Can't we simply leave it to the flow termination procedure  
to kick in and remove the excess load, if such a case should really  
occur?

Lars

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