Quality of Service in IP Networks
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BeschreibungFor courses in Network Management.
With increased Internet traffic, data, audio, and video applications have become more vulnerable to costly delivery delays and packet losses. Quality of Service (QoS) is a standards effort to provide consistent levels of service despite these delivery problems. Quality of Service in IP Networks provides students with an understanding of the key technologies and techniques that will enable Internet QoS. This authoritative reference examines the impact of the Internet's current Best-Effort architecture on real-time multimedia applications; limitations of IP networks, including latency, jitter, unpredictable packet loss, network failures, and inability to guarantee bandwidth; effects of traffic classification, scheduling algorithms, link technologies, routing protocols, and signaling methods on QoS; and the IETF's end-to-end IntServ and edge-to-edge DiffServ architectural models. Quality of Service in IP Networks provides students with the information they need to evaluate existing IP networks and determine how to improve upon traditional Best-Effort services.
Inhaltsverzeichnis1. The Internet Today. Simple Network, Smart Edges. Network Connectivity and Routing. Next-Generation Applications. 2. The Components of Nenvork QoS. A Hierarchy of Networks. Pr3edictable Per-hop Behavior. Predictable Edge-to-Edge Behavior. Signaling. Policies, Authentication, and Billing. 3. Per-hop Packet Processing. A Generic Router. Classification. Policing and Marking. Queue Management. Scheduling. Hierarchical Link Sharing. Virtual Queues. References. 4. Edge-to-Edge Network Models. Integrated Services. Differentiated Services. Multiprotocol Label Switching. References. 5. Establishing Edge-to-Edge IP QoS. Resource Reservation Protocol. Implementing Policies. References. 6. Link Layers Beneath IP. Low-Speed Link Considerations. Point-to-Point Protocol. Asynchronous Transfer Mode. Virtual Links and Tunnels. References. 7. Low-Speed Luck Technologies. PPP Over Dial-Up Links. Integrated Services Digital Network. Asymmetric Digital Subscriber Line. Data Over Cable TV. References. 8. High-Speed Link Technologies. IEEE 802.3/Ethernet. ATM Over Synchronous Optical Network/Synchronous - Digital Hierarchy. PPP Over Synchronous Optical Network/Synchronous Digital Hierarchy. Point-to-Point Protocol over Simplified Data Link. Wave Division Multiplexing. References. 9. Dynamic Efficiency and Robustness. Efficient Link Utilization. Edge-to-Edge Path Robustness. End-to-End TCP Performance. References. 10. Reflections on the Future. All the Network Elements. A Look Ahead. Further Reading. Index.
PortraitGrenville Armitage has been involved in IP- and ATM-related research for the past nine years. Grenville is an active member of the Internet Engineering Task Force (IETF) and has co-authored several protocols and standards documents in the area. For the past few years, he has been focusing on IP over ATM, IP multicast, IPv6, Integrated Services, Differentiated Services, and Multiprotocol Label Switching (MPLS) issues and protocol development. He was a senior scientist in the Internetworking Research Group at Bellcore before moving to the High Speed Networks Research department at Bell Labs Research (Lucent Technologies) in 1997. In the past two years, he has also traveled internationally, giving talks to customers and general audiences on the latest QoS and MPLS solutions. Grenville received his bachelor and Ph.D. degrees in electronic engineering from the University of Melbourne, Australia. He now lives in the San Francisco Bay Area and has a weakness for social activities involving beer and/or pool. He has been known to hit tennis balls (poorly), roller-blade (once breaking his arm), and play volleyball (before having a beer). The guitars in his closet haven't been used in years. These reviewers contributed their considerable practical, hands-on expertise to the entire development process for Quality of Service in IP Networks. As the book was being written, these dedicated professionals reviewed all the material for technical content, organization, and flow. Their feedback was critical to ensuring that Quality of Service in IP Networks fits our reader's need for the highest quality technical information. Ken Carlberg has been involved in the design and development of computer networks for the past 15 years. The first five years involved developing embedded software for U.S. Department of Defense networks. For the last 10 years, he has led research efforts and developed designs and prototypes for networks and protocols involving routing, multicast, mobility, and QoS. Most of this work was done as a principal investigator for U.S. agencies such as the Naval Research Laboratory (NRL), the National Science Foundation (NSF), and the Defense Advanced Research Projects Agency (DARPA). In addition, he has conducted internal research for Science Applications International Corporation (SAIC), of which he is an employee. Ken has also been involved with various working groups of the IETF since 1990. Ken received his Ph.D. in computer science, focusing on QoS Multicast, from University College London and received earlier degrees of BSc and MSc from Loyola College in Baltimore, Maryland. He currently lives in northern Virginia and always looks forward to being with his family in Baltimore and Chile. Bryan Gleeson has 16 years of experience as a software engineer in the computer networking industry. He received a BAI degree in computer engineering and a BA degree in mathematics from Trinity College Dublin in Ireland. He started his career by developing a file transfer protocol for the National Research Network, and later projects included the development of a number of X.25, X.400, email, and satellite communication products. After four years, Bryan moved to Silicon Valley where he continued to work on the implementation of ISO protocols and the design of specialized transport protocols. Later he led the design and implementation of products for wide-area wireless mobile computing and for enterprise ATM networks. After joining Cisco Systems, he worked on the design and development of next-generation enterprise routers and ATM products. He was a frequent contributor to the ATM Forum, where he helped develop the LANE and MPOA protocol specifications. Bryan was one of the early engineers at Shasta Networks, a start-up developer of a new type of carrier-class Internet product that enables the large-scale deployment of networking services for broadband subscribers. He currently works for Nortel Networks on the design and implementation of new types of VPNs on the Shasta platform. Bryan holds a number of patents in the networking software area and is also active in the IETF, where he developed a general framework and architecture for VPNs. He lives in Cupertino, California, and enjoys music, travel, motor racing, and playing at being a sound-recording engineer.
Untertitel: Foundations for a Multi-Service Internet. 'Technology Series'. Sprache: Englisch.
Verlag: NEW RIDERS PUBL
Erscheinungsdatum: April 2000
Seitenanzahl: 336 Seiten