Design and evaluation of DiffServ functionalities in the MPLS edge router architecture

被引：0

作者：

Lai, Wei-Chu ^{[1
]}

Wu, Kuo-Ching ^{[1
]}

Hou, Ting-Chao ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Ctr Telecommun Res, Dept Elect Engn, Chiayi 62102, Taiwan

来源：

FIRST INTERNATIONAL WORKSHOP ON ADVANCED ARCHITECTURES AND ALGORITHMS FOR INTERNET DELIVERY AND APPLICATIONS, PROCEEDINGS | 2006年

关键词：

QoS; DiffServ; network processor; MPLS;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Differentiated Service (DiffServ) in combination with Multi-Protocol Label Switching (MPLS) is a promising technology in converting the best-effort Internet into a QoS-capable network. This paper describes the design and implementation of key DiffServ components, including classifier, meter/shaper, queue manager, and scheduler, in an MPLS edge router architecture on a network-processor platform. We describe how the Diffserv functionalities were realized and also analyze the performance of the system under different traffic patterns. Various factors that cause performance degradation in the architecture are observed and analyzed. These include receiving processing architecture, transmitting processing architecture, micro-engine processing power, memory access latency, and complexity of each DiffServ component. Among them, we found that traffic classification demands more processing resource and hence is a major factor in limiting the system throughput.

引用

页码：18 / +

页数：2

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