A token-bucket based notification traffic control mechanism for IMS presence service

Authors:
Jianxin Liao;Jinzhu Wang;Tonghong Li;Jingyu Wang;Xiaomin Zhu
Affiliations:
State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, P.O. Box 296, Beijing 100876, PR China;State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, P.O. Box 296, Beijing 100876, PR China;Department of Computer Science, Technical University of Madrid, Madrid 28660, Spain;State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, P.O. Box 296, Beijing 100876, PR China;State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, P.O. Box 296, Beijing 100876, PR China
Venue:
Computer Communications
Year:
2011

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Abstract

Presence is a service that allows a user to be informed about the specified state of another user. Presence service has become a key enabler for next-generation applications such as instant messaging, push-to-talk and web2.0. However, recent studies show that the notification traffic of presence service causes heavy signaling load on IP multimedia subsystem (IMS) network. This paper introduced a token-bucket based notification traffic control (TNTC) mechanism, which is an application layer solution deployed at the presence server. The TNTC aims at upgrading valid access probability while controlling the notification traffic. A mathematical model of a queuing system is proposed to describe TNTC. We analyzed its main probability features and investigated the effects of different parameters on the performance of TNTC. Extensive simulations verified that TNTC can effectively control notification traffic and perform better than the existing schemes in terms of valid access probability and update arrival rate.