Research on Bandwidth Allocation Mechanism for Transport Mapping Layer of ForCES Based on TCP/IP
Jianqun Chen · Journal of Information Engineering University · 2009
In this paper,the author proposes a bandwidth allocation mechanism called Rate and Queue controlled Dynamic Probabilistic Priority(RQ-DPP) based on Transport Mapping Layer of ForCES(ForCES TML).It uses Probabilistic Priority(PP) scheduling to schedule message-queues which keep different messages,and calculate bandwidth.RQ-DPP calculates refusing probability of an incoming packet based on per-flow's estimated rate and buffer occupancy,and then dynamically adjusts scheduling probability of queues based on message's kind and dropping probability.Simulation using ns-2.30 shows the effectiveness of the new bandwidth allocation mechanism.