[j-nsp] Usable Bandwidth on STM-1 with Cisco HDLC or PPP Encapsulation

Alexander Koch efraim at clues.de
Mon Feb 6 03:14:38 EST 2006


On Fri, 3 February 2006 17:29:09 +0100, jens.hoffmann at ddkom.de wrote:
> can anybody help me with the following issue :
> 
> What is the real usable bandwidth on a STM-1 link for IP traffic in
> consideration of the encapsulation and transmission overhead ?

With PPP you can pretty much get away with 130-135 Mbit/s
but that will give you short bursts that get into queueing
already. Mind you, 1 kbit = 1000 and not 1024 here.

-ako



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