[007]

How can MPLS provide quality of service? Is MPLS a replacement technology for ATM?

One proposal for providing end to end quality of service is to use DiffServ in the core of the network and IntServ in the edge and access networks. Why is this necessary, how is it possible and what are the advantages of this?

Thanks
007

[Harold III]

with MPLS u can force routers to give specific labels to certain classes of packets, give some classes better paths than others, thus provide Qos. MPLS is independent on second layer protocols, and it works on network layer. ATM is on datalink layer. so MPLS is not created to replace ATM, it is created to replace traditional route-calculating technology.