摘要
为解决实时业务流在IP网承载时遇到的高QoS参数与带宽公平性的矛盾,提出了一种负载自适应的时隙PQ(priority queue)算法。根据实时业务流的负荷参数,选择合适的触发周期τ转发实时业务流,将时延控制在要求的范围内,并大大减少了抖动,同时提高了非实时业务流的转发性能。通过理论推导与仿真证明了LASPQ(load-adaptive time slotted priority queue)在传输实时业务流时比PQ、WFQ等传统队列具有优越性。
To solve the problem between the high QoS requirement and bandwidth impartiality when the real-time traffic transmitted in IP network, load-adaptive slotted priority queue（LASPQ） was introduced. According to the load of the real-time traffic, it was transferred with an appropriate triggering period r. LASPQ keep real-time traffic＇s delay, jitter in need, while improving the transferring efficiency of non-real-time traffic. It is proven from theory and simulation that LASPQ is better than traditional queue schemes such as PQ,WFQ, when transmitting real-time traffic.
出处
《通信学报》
EI
CSCD
北大核心
2008年第5期93-99,共7页
Journal on Communications
