本文選題：異質(zhì)化帶寬分配 + 負載　； 參考：《物理學(xué)報》2013年08期

【摘要】：研究了帶有連接邊傳輸容量(帶寬)約束的復(fù)雜網(wǎng)絡(luò)上如何提升網(wǎng)絡(luò)數(shù)據(jù)流負載問題.在網(wǎng)絡(luò)連接邊帶寬資源總量固定的條件下,提出了一種異質(zhì)化帶寬分配方案.引入"受控邊"概念,通過加入適當(dāng)比例的"受控邊",重新分配帶寬資源,并結(jié)合具有擁塞感知能力路由策略的數(shù)據(jù)流量模型,利用帶寬分配調(diào)節(jié)數(shù)據(jù)流量走向,提高了帶寬利用效率,最終使得網(wǎng)絡(luò)整體的負載能力較帶寬勻質(zhì)化分配時有顯著提升.分別在Baraba′si-Albert無標(biāo)度網(wǎng)絡(luò)和Watts-Strogtz(WS)小世界網(wǎng)絡(luò)平臺上仿真,發(fā)現(xiàn)按照本文的帶寬分配方案,WS小世界網(wǎng)絡(luò)中節(jié)點連接邊帶寬與網(wǎng)絡(luò)負載有較強的相關(guān)性,節(jié)點連接邊帶寬分配最均衡的時候,網(wǎng)絡(luò)負載能力達到最大.
[Abstract]:In this paper, the problem of how to enhance the load of network data flow on a complex network with connection side transmission capacity (bandwidth) constraints is studied. A heterogeneous bandwidth allocation scheme is proposed under the condition that the total amount of network connection bandwidth resources is fixed. This paper introduces the concept of "controlled edge", redistributes bandwidth resources by adding a proper proportion of "controlled edges", and combines with the data traffic model with congestion sensing routing strategy, adjusts the data traffic direction by bandwidth allocation. The efficiency of bandwidth utilization is improved, and the load capacity of the whole network is improved significantly compared with that of uniform bandwidth allocation. The simulation results on Baraba'si-Albert scale-free network and Watts-Strogtzn Baraba'si-Albert small-world network platform show that there is strong correlation between node connection bandwidth and network load in WS small-world network, according to the bandwidth allocation scheme proposed in this paper. When the bandwidth allocation of the node connection edge is most balanced, the network load capacity reaches the maximum.
【作者單位】： 東北大學(xué)信息科學(xué)與工程學(xué)院;中國林業(yè)科學(xué)研究院木材工業(yè)研究所;青島理工大學(xué)經(jīng)濟與貿(mào)易學(xué)院;
【基金】：國家自然科學(xué)基金(批準(zhǔn)號:60774097,60774010,60274009) 中央級公益性科研院所基本科研業(yè)務(wù)費(批準(zhǔn)號:CAFINT2009K07)資助的課題~~
【分類號】：O157.5;TP393.06

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