一個基于SLS的接入網(wǎng)邊到邊QoS管理機制
An SLS Based Edge-to-Edge QoS Management Mechanism in Access Network
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摘要: 該文提出了一個基于SLS的EPON的邊到邊QoS管理機制.通過EPON很好地解決了帶寬不足問題;通過優(yōu)化度評估算法為用戶業(yè)務選擇業(yè)務類.由于優(yōu)化度評估公式基于用戶在市場上的行為,考慮了負載、價格和性能因素,因此不但可通過引導業(yè)務量沿不同的業(yè)務類有序分布在DiffServ機制下實現(xiàn)了對用戶業(yè)務的定量的邊到邊QoS保證,同時可以提高用戶業(yè)務的性能價格比.實驗結果很好地證明該機制的優(yōu)點.Abstract: This paper addresses a Service Level Specification (SLS)-based quantitative edge-to-edge QoS management mechanism in access network. By using Ethernet Passive Optical Network(EPON), it well settles the insufficiency of bandwidth in IP, it selects a service class for user service by the evaluation algorithm of optimal ratio, because the evaluation formula of optimal ratio is based on the user behavior in market and takes into accounts burden element, price element, and performance element, it not only can support quantitative QoS in DiffServ by inducing traffic orderly distributed along the service class, but also can provide well performance with less cost. Experimental results have perfectly verified its metrics.
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