[e2e] Admission Control and Policing in MPLS
pingpan at cs.columbia.edu
Thu Nov 11 07:39:19 PST 2004
> 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...
More information about the end2end-interest