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MPLS acceptable latency?



On Nov 15, 2012, at 2:15 PM, Scott Weeks wrote:

> 
> 
> --- mikeal.clark at gmail.com wrote:
> From: Mikeal Clark <mikeal.clark at gmail.com>
> 
> I have some AT&T MPLS sites under a managed contract with latency
> averaging 75-85 ms without any load.  These sites are only 45 minutes
> away.  What is considered normal/acceptable?
> --------------------------------------------
> 
> 
> Coast-to-coast latency is around 60-65msec, so that's high.

What link speed?

Perhaps he's using ISDN or a T1?

Serialization delay is not to be ignored.

- Jared