[e2e] Admission Control and Policing in MPLS

[weigengyu]

----- Original Message ----- 
From: "Ping Pan" <pingpan at cs.columbia.edu>
> 
> Another fact: some carriers have never moved their voice traffic off ATM 
> backbone, because the IP backbone cannot sustain delay-sensitive traffic 
> at large volume. The problem takes place at edge.
> 

Telecom carriers here just use IP backbone for long haul transimision.
 
> 
> SLA is NOT about rate guarantee only. It also includes accounting, 
> restoration, per-flow manageability...
> 
Accepted concepts about SLA are difined by TMF. 

Gengyu