QOS, COS,TOS Technology

IEEE 802.1p

• Packet classification over LANs

Differentiated Services (DiffServ)

• Assign service levels and priority to IP traffic

• MultiProtocol Label Switching (MPLS)

  • Map Layer 3 traffic onto Layer 2 (ATM,FR) QOS

• ReSource reserVation Protocol (RSVP)

  • Extensions map RSVP flows onto 802.1p, Diffserv traffic classes

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