Research on load-adaptive slotted priority queue scheduling providing telecomm-grade IP QoS

XUE Qiang1; ZHANG Guang-zhao1

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Research on load-adaptive slotted priority queue scheduling providing telecomm-grade IP QoS

更新时间：2024-10-14

- Research on load-adaptive slotted priority queue scheduling providing telecomm-grade IP QoS
- Issue 5, Pages: 93-99(2008)
- 作者机构：
  
  1. 中山大学电子与通信工程系
  2. 中山大学电子与通信工程系广东广州510275 中国网通集团广东省分公司
  3. ,广东,广州,510630
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN915.02
- Published：2008
- 稿件说明：
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XUE Qiang1, ZHANG Guang-zhao1. Research on load-adaptive slotted priority queue scheduling providing telecomm-grade IP QoS[J]. 2008, (5): 93-99.
DOI：

XUE Qiang1, ZHANG Guang-zhao1. Research on load-adaptive slotted priority queue scheduling providing telecomm-grade IP QoS[J]. 2008, (5): 93-99. DOI：

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。

Abstract

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 τ. 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.

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