Multi-stage hierarchical bandwidth management method
A bandwidth management and hierarchical technology, applied in digital transmission systems, electrical components, transmission systems, etc., to achieve the effects of convenient network management configuration, saving hardware costs, and simple bandwidth allocation algorithms
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[0023] The present invention will be described in detail below by taking the L2VPN dual-pipe service model as an example.
[0024] figure 1 It is a schematic diagram of the L2VPN dual-pipe business model and bandwidth allocation. The input packets of the three users correspond to flow1, flow2, and flow3 respectively. CIR=10Mbps and PIR=50Mbps are allocated to each user. This level realizes traffic shaping of the user's small pipe (traffic shaping); three users are multiplexed into VP0 (VP, virtual port, virtual port), and the bandwidth of VP0 is fixed at PIR=50Mbps. This level realizes traffic shaping of large pipes.
[0025] The focus of the present invention is to implement hierarchical bandwidth management to service nodes at all levels. As we all know, three algorithms, srTCM, trTCM and MEF, can be used for traffic evaluation, the srTCM (A Single Rate Three Color Marker) algorithm suggested by RFC2697 and the algorithm proposed by RFC2698 Both the trTCM (A Two Rate Three ...
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