Emerging QOS-COS support from SP’s
MultiProtocol Label Switching (MPLS)
- Label switching routers use labels carrying forwarding & resource reservation semantics to construct label-switched paths
RSVP extensions to improve scalability, deployment
- Map RSVP flows onto IEEE 802.1p, DiffServ classes
- Aggregate flows according to traffic classes
PASTE
- Traffic Engineering: direct aggregated flows along specific path (optimized over individual flow handling)