May 2009
Intermediate to advanced
512 pages
13h 14m
English
Content preview from Deploying QoS for Cisco IP and Next Generation Networks
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Chapter 2
Introduction to Cisco’s Quality-of-Service Architecture for IP Networks
2.1 Building Blocks of the IP NGN QoS Framework
This section presents details of the various components that fit into the overall QoS framework, for deployment in a service provider IP NGN infrastructure. Even though this section focuses on providing architectural details that are central to SP IP/MPLS networks, most or all of the components discussed here can be considered relevant to enterprise IP networks (for that matter, any IP network) as well.
To facilitate true end-to-end QoS in an IP network, the Internet Engineering Task Force (IETF) has defined two QoS models: Integrated Services (IntServ) and Differentiated Services (DiffServ). IntServ follows the signaled ...
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