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This paper analyses the reason for congestion in BACnet network and conventional congestion avoidance algorithm. On the base of conventional RED algorithm, an absolute priority based congestion avoidance algorithm named enhanced random early detection (ERED) algorithm is presented. Similar to the conventional RED algorithm, ERED detects congestion according to the average queue length. ERED differs...
This paper discusses the NP-complete multi-constrained path problem with imprecise state information, and a distributed heuristic framework without any imprecision assumption is presented. This framework needs no link state exchanging message, and employs mobile agents to search feasible paths in parallel. Two key strategies are used: to select a suitable next node, and to choose the appropriate one...
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