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In this paper we propose a scalable admission control scheme for the QoS sensitivity traffic in core-stateless networks. In our scheme, the ingress routers perform admissibility test in a fully distributed and parallel fashion for requests by dint of our bandwidth dividing based virtual link mechanism. Then, we introduce a novel two phase token passing mechanism to adaptively optimize the proportion...
Because wireless stations independently select which access points to camp on, the total wireless station traffic on all available IEEE 802.11 network APs might be unevenly distributed. This load-balancing problem can lead to overloading and network congestion. This survey examines the problem, along with state-of-the-art network- and wireless-station-based solutions. It also presents experimental...
Based on the analysis of the node selfishness and the drawback of min-hop selection method as the unique routing selection criteria in ad hoc networks, a non-intrusive multi-metric ad hoc routing protocol-NIMR is presented. By computing and storing the node fame, NIMR greatly attenuates the influence of node selfishness; By crossing-design between MAC layer and network layer, we employ a non-intrusive...
In this paper, an active-drop congestion control protocol for peer-to-peer multicast based on a layered video codec is presented, which is tailored toward support of live media delivery on peer-to-peer overlay. Especially, the protocol fully utilizes the characteristics of the peer-to-peer multicast, namely, the tree nodes cooperative relativity, heterogeneity support, and session flexibilities. It...
Network congestion control is a critical issue, especially in the growing size, demand, and speed (bandwidth) of the increasingly integrated services networks. Designing effective congestion control strategies for these networks is a challenge because of the complexity of the structure of the networks, nature of the services supported, and the variety of the dynamic parameters involved. Congestion...
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