[e2e] Admission Control and Policing in MPLS

[Ping Pan]

weigengyu wrote:
> 
> I would like to tell you a fact here. A telecom carrier build another IP based network 
> dedicated to some basic service, like voice, video.
> Because the first IP based network always congested and cannot provide QoS needed
> although they  increased capacity.
>

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.

> 
> Guaranteed services are the most concern problems by telcom carriers 
> since they are deploying  SLA (Service Level Aggreement). 
> 

SLA is NOT about rate guarantee only. It also includes accounting, 
restoration, per-flow manageability...

- Ping