Efficient server replication and client redirection for multicast services

Zongming Fei; Mostafa H. Ammar; Ellen W. Zegura

doi:10.1117/12.434415

25 July 2001 Efficient server replication and client redirection for multicast services

Zongming Fei, Mostafa H. Ammar, Ellen W. Zegura

Proceedings Volume 4526, Scalability and Traffic Control in IP Networks; (2001) https://doi.org/10.1117/12.434415
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

Server replication and multicasting are well-established techniques for increasing the capacity of a networked service and improving client performance. In this paper, we consider the combination of these two techniques. Specifically, we investigate the problem of selecting amongst rate-adaptive multicast servers, which adjust their sending rate based on network conditions and/or feedback from clients. Effective server rate adaptation can lead to efficient utilization of network resources and performance improvement perceived by clients. In this study of adaptive multicast server selection, we explore some fundamental issues and investigate the implications of different selection strategies on the performance perceived by clients. We first formulate several optimization problems based on different performance measures. We prove that the general problem is NP-hard and then present a special case with an optimal polynomial-time solution. We then design several heuristics for the general problem. We investigate the performance of the heuristics through simulation and show that our heuristics can improve the performance perceived by clients over other strategies.

Citation Download Citation

Zongming Fei, Mostafa H. Ammar, and Ellen W. Zegura "Efficient server replication and client redirection for multicast services", Proc. SPIE 4526, Scalability and Traffic Control in IP Networks, (25 July 2001); https://doi.org/10.1117/12.434415

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