Design and performance evaluation of service overlay networks topologies

被引：2

作者：

Adami D. ^{[1
,2
]}

Callegari C. ^{[2
]}

Giordano S. ^{[2
]}

Nencioni G. ^{[2
]}

Pagano M. ^{[2
]}

机构：

[1] CNIT Research Unit, Dept. Of Information Engineering, University of Pisa

[2] Dept. Of Information Engineering, University of Pisa

来源：

Journal of Networks | 2011年 / 6卷 / 04期

关键词：

QoS; SON; Topology Design;

D O I：

10.4304/jnw.6.4.556-566

中图分类号：

学科分类号：

摘要：

Nowadays, Internet still lacks of an adequate support for QoS-sensitive applications, such as VoIP, Videoconference, and Video-on-Demand. To a large extent, this is due to the fact that Internet was originally designed to provide only a best-effort packet delivery service. In recent years, Service Overlay Networks (SONs) have emerged as a profitable way to address these issues without changing the underlying infrastructure. In this paper, we analyze the topology design problem of a SON from a performance point of view. Since the analytical solution of the problem is computationally too complex, we compare the performance of a limited set of well-known topologies. Based on heuristics, we also propose three new traffic demand-aware overlay topologies. Through extensive simulations, we investigate the performance of the candidate overlay topologies in different network scenarios, taking into account overhead and accepted traffic between the overlay nodes. © 2011 ACADEMY PUBLISHER.

引用

页码：556 / 566

页数：10

共 23 条

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