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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Traffic Engineering
verfasst von : Luciano Lenzini, Enzo Mingozzi, Giovanni Stea
Erschienen in: End-to-End Quality of Service Over Heterogeneous Networks
Verlag: Springer Berlin Heidelberg
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Traffic Engineering has become an extremely important tool for Internet Service Providers (ISPs) as they struggle to keep pace with the ever-increasing volume of Internet traffic. Through appropriate application of Traffic Engineering techniques, providers can offer better service to their customers, reduce congestion in the network, maximise bandwidth utilisation and, in general, enhance performance. In this chapter, after a brief introduction to the concept of Traffic Engineering, its implementation based on Multi Protocol Label Switching (MPLS) and Constraint-Based Routing is illustrated in detail. Moreover, the recently devised enhancements to MPLS-based Traffic Engineering solutions, aimed at explicitly supporting Quality of Service, are outlined.