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¿µ¹®Ç¥Áظí QoS routing and related traffic engineering methods-Traffic engineering operational requirements
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¿µ¹®³»¿ë¿ä¾à Internet Traffic Engineering is concerned with the performance optimization of operational networks. It encompasses the measurement, modeling, characterization, and control of Internet traffic, and the application of techniques to achieve specific performance objectives, including the reliable and expeditious movement of traffic through the network, the efficient utilization of network resources, and the planning of network capacity. This standard is based on the ITU-T E.360.7 and the methods addressed in Standard encompass traffic management, capacity forecasting, daily and weekly traffic monitoring and performance monitoring, node planning and transport network planning and short-term network adjustment
Traffic engineering functions include traffic management, capacity management, and network planning. We can illustrate these functions as interacting feedback loops around the network. The feedback controls function to regulate the service provided by the network through traffic management controls, capacity adjustments, and routing adjustments. Traffic management provides monitoring of network performance through collection and display of real-time traffic and performance data and allows traffic management controls such as code blocks, connection request gapping, and reroute controls to be inserted when circumstances warrant. Capacity management includes capacity forecasting, daily and weekly performance monitoring, and short-term network adjustment. Forecasting operates over a multiyear forecast interval and drives network capacity expansion. Daily and weekly performance monitoring identify any service problems in the network. Network design embedded in capacity management includes routing design and capacity design. Network planning includes longer-term node planning and transport network planning, which operates over a horizon of months to years to plan and implement new node and transport capacity. The discussions in this standard intend to point out the kind and frequency of TE traffic and performance data required to support each function.
±¹Á¦Ç¥ÁØ ITU-T E.360.7
°ü·ÃÆÄÀÏ TTAS.IT-E360.7.pdf TTAS.IT-E360.7.pdf            

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