A novel burst assembly scheme for optical burst switching networks

被引：0

作者：

Lu, ZB ^{[1
]}

Wang, HB ^{[1
]}

Zhang, M ^{[1
]}

Ye, PD ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Opt Commun & Lightwave Technol, Beijing 100876, Peoples R China

来源：

NETWORK ARCHITECTURES, MANAGEMENT, AND APPLICATIONS III, PTS 1 AND 2 | 2005年 / 6022卷

关键词：

optical burst switching; burst assembly; longest queue first; burst scheduling; non-uniform traffic;

D O I：

10.1117/12.634942

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Proposed in this paper is a novel burst assembly scheme called longest queue first scheduled assembly (LQF-SA) mechanism, where burst assembly and burst scheduling for optical burst-switching networks are integrated. In the proposed mechanism, ingress edge nodes have multiple assembly queues where IP packets are stored according to their egresses and QoS classes. Among these queues, the longest one is scheduled to assemble bursts by a scheduler at a fixed interval. In real networks, traffic usually distributes non-uniformly and there exists heavier traffic between some source and destination pairs. Simulation results show that LQF-SA could adapt well to the non-uniform traffic profiles. Furthermore, even under uniform traffic, LQF-SA is also super to round-robin scheduled assembly (RR-SA) in terms of burst size distribution, assembly efficiency, and burst loss rate.

引用

页数：6

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