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Traffic Management, Shaping, and Engineering
Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.
Traffic management is concerned with controlling and allocating network bandwidth, reducing delay, and minimizing congestion on networks. It encompasses the management of network capacity, measuring and modeling traffic, and analyzing performance. The basic idea is to manage network resources efficiently and give client/subscribers the bandwidth and service levels they need. For the carrier networks, these levels are negotiated in SLAs (service level agreements). At the same time, clients and subscribers traffic must be managed to ensure that it does not use bandwidth that would affect the service levels of other users. This requires admittance controls (only admit traffic that is allowed and no excess that would affect other service levels) and policing (monitor traffic on an ongoing basis).
Related to traffic management is capacity planning, which involves measuring and modeling network traffic in order to schedule and provision network bandwidth for current and future requirements. See "Capacity Planning."
This topic continues in "The Encyclopedia of Networking and Telecommunications" with a discussion of the following:
The following Web sites provide more information on ATM QoS and traffic management. Also see RFC 2761 (Terminology for ATM Bendmarking, February 2000).
The following references provide more information about MPLS traffic engineering. Also refer to the tewg and mpls Working Groups listed on the related entries page for a complete list of RFCs and drafts related to traffic engineering.
The following Internet RFCs provide additional information on MPLS and the other traffic engineering techniques described above.
Copyright (c) 2001 Tom Sheldon and Big Sur Multimedia.