Chapter 33. Service Provider Edge (Cisco ASR 9000) QoS Design

The service provider (SP) provider-edge (PE) router has many quality of service (QoS) roles to play, including the following

Image Policing traffic by class of service (CoS) on ingress, according to the SP’s CoS models

Image Implementing Multiprotocol Label Switching (MPLS) differentiated services (DiffServ) tunneling mode QoS policies

Image Queuing by MPLS EXP toward the MPLS virtual private network (VPN) ...

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