Re: VOIP Peering Questions

[Randy Bush <randy@psg.com>]

>> - Does anyone have any technical suggestions on implementing VOIP 
>>   peering across a layer 2 Internet exchange?
> 
> RTP flows are unresponsive to congestion; i.e., if they have to compete 
> with TCP (*), you can expect two effects:
> 	1> unfairly-depressed TCP throughput
> 	2> loss in your RTP streams

long before this, the normal users of the exchange should have been
screaming about congestion on the switch.

voip peering is not about layer-2.  moving the packets is just the
normal game.  

voip peering is about how to identify and route calls at the application
level.

randy


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