On Total Call Setup Waiting Time Probability Distribution in IMS Signaling Network

This paper, in accordance with the authors' continuing research investigates the effect of adding extra servers in Session Initiation Protocol (SIP) signaling network on session setup delay in the IP Multimedia Subsystem (IMS). The effect of applying more than one server in reducing waiting tim...

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Bibliographic Details
Published in2009 Third International Conference on Next Generation Mobile Applications, Services and Technologies pp. 33 - 38
Main Authors Amooee, A.M., Falahati, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2009
Subjects
Call Setup Waiting Time Probability Distribution
Communication system control
Digital communication
Digital control
Internet
IP Multimedia Subsystem
Multi-server Queuing systems
Network servers
Next generation networking
Probability distribution
Protocols
Session Initiation Protocol
Throughput
Web server
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Summary:This paper, in accordance with the authors' continuing research investigates the effect of adding extra servers in Session Initiation Protocol (SIP) signaling network on session setup delay in the IP Multimedia Subsystem (IMS). The effect of applying more than one server in reducing waiting time in each of the nodes of the system is previously investigated by the authors in and applying more servers as a way of overcoming overload in IMS is addressed in. In this contribution, the delay analysis is explored by describing the SIP signaling traffic with M/M/r notation. Then the SIP servers overload problem is addressed and the effect of adding servers on network throughput and call loss probability is investigated. Finally, the total waiting time probability distribution is derived.
ISBN:9780769537863
0769537863
ISSN:2161-2889
DOI:10.1109/NGMAST.2009.14