A Congestion Aware Single Rate Three-Color Marker for Differentiated Services

JIANG Ming; WU Chun-ming; ZHU Miao-liang

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A Congestion Aware Single Rate Three-Color Marker for Differentiated Services

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- A Congestion Aware Single Rate Three-Color Marker for Differentiated Services
- Acta Electronica Sinica Vol. 32, Issue 1, Pages: 69-74(2004)
- 作者机构：
  
  浙江大学人工智能研究所,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2004
- 稿件说明：
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JIANG Ming, WU Chun-ming, ZHU Miao-liang. A Congestion Aware Single Rate Three-Color Marker for Differentiated Services[J]. Acta Electronica Sinica, 2004, 32(1): 69-74.
DOI：

JIANG Ming, WU Chun-ming, ZHU Miao-liang. A Congestion Aware Single Rate Three-Color Marker for Differentiated Services[J]. Acta Electronica Sinica, 2004, 32(1): 69-74. DOI：

摘要

确保服务的实现依赖于在边界路由器执行的数据包标记策略和在核心路由器执行的队列管理策略.TCP流由于其拥塞自适应的特点对丢包很敏感

网络拥塞对其吞吐量影响很大.为此

我们设计了一种拥塞感知的单速三色标记算法CASR3CM.仿真实验表明

该算法不仅提高了AS TCP流的平均吞吐量

而且增强了吞吐量的稳定性.另外该算法也提高了AS TCP流之间占用带宽的公平性.

Abstract

The Assured Services architecture relies on packet marking mechanism at the edge router

and queue management mechanism at the core router.Due to its self-adaptive congestion

TCP flows are much more sensitive to packet drops

especially to multiple drops

therefore when network congestion happened

the throughput of TCP flows is greatly influenced.We design a new marker called CASR3CM (Congestion Aware Single Rate-Three Color Marker).The simulation results indicate that the marker not only improves the throughput of AS TCP flow

the stability of the throughput

but also improves the fairness of bandwidth sharing between AS TCP flows.

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