Instant Messaging Traffic Reduction in the Session Initiation Protocol

I. Miladinovic and J. Stadler (Austria)


Multiparty Communication, Signaling, SIP, Instant Mes saging, Multi-Recipient Requests


Instant messaging represents exchange of messages be tween users in near real-time. It is often used for live conversation between a group of users, where a number of small messages is exchanged between them. Routing of in stant messages in the Session Initiation Protocol (SIP) often takes the same route as call signaling messages. Therefore, there is a potential that the instant messaging traffic inter feres with the call signaling traffic. This paper introduces a novel approach for routing of instant messages in the Session Initiation Protocol. The ap proach reduces the traffic when a message is sent to a group of recipients. It is based on sending of a common message for several recipients, instead of sending a separate mes sage for each recipient. We also present simulation results in order to show the traffic reduction, which this approach obtains.

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