[Asterisk-Dev] Ethernet buffering problems causing jitter

Mike Nugent mike at calltrex.com
Tue Mar 23 15:28:28 MST 2004


On Fri, 2004-03-19 at 08:41, Andrew Kohlsmith wrote:
> 
> You can police incoming traffic but once it's already at your end it's too 
> late to do anything about it, except drop it if it's TCP traffic and you're 
> trying to cause the sending-side to back off in an attempt at keeping the 
> traffic rate below the level that the transmission hardware starts 
> buffering, as I mentioned in my last email.

Just to add some context to what I think Andrew ment:

TCP is a slow-start protocol.  By dropping some choice packets inbound,
you can convince the other end that your link can't handle the speed and
thus it (according to the spec, so theoritically) should send at a lower
speed.


-- 
Mike Nugent
System Administrator
Calltrex




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