基於網絡編碼的對等網流媒體網絡中優化的帶寬分配策略
網絡與通信
作者:陳卓 周江
摘要:針對采用了網絡編碼技術的對等網(P2P)流媒體係統應用,提出一種基於負載轉移的節點帶寬資源均衡策略,盡可能避免節點選擇鄰居節點並請求帶寬資源的隨意性形成的節點過載。在策略中,當某些節點過載後將選取部分帶寬資源負載較輕的節點作為負載轉移節點,同時將請求節點所需數據通過階梯型帶寬分配方式推送給這些選擇出的負載轉移節點。數值仿真表明,這種負載轉移的策略能夠有效降低過載節點的帶寬資源占用,避免網絡熱區的出現。
關鍵詞:資源過載;網絡編碼;負載轉移;對等網
中圖分類號: TP393.03 文獻標誌碼:A
英文摘要
Abstract: To the PeertoPeer (P2P) streaming application based on network coding, a load transferbased _disibledevent=pdf.
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