This design guide, for anyone planning to deploy quality of service (QoS) in Cisco networks, provides complete coverage of Cisco IP QoS features and functions and offers case studies and configuration examples. Emphasis is on real-world applications. Chapters are in sections on IP QoS, internetworking with IP QoS, and traffic engineering. Appendices cover the Cisco modular QoS command-line interface, packet switching mechanisms, routing policies, RTP, and link-layer fragmentation and interleaving. Material is written for internetworking professionals who are responsible for designing and maintaining IP services for corporate intranets and for service provider network infrastructures