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A window-based overload control considering the number of confirmation Massages for SIP server

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4 Author(s)
Dong-Yeop Hwang ; Dept. of Grad. Sch. of Comput. Sci., Ajou Univ., Suwon, South Korea ; Ji Hong Park ; Seung-wha Yoo ; Ki-Hyung Kim

The widespread use of SIP has exposed a lot of vulnerabilities in this protocol. Among them, overload can cause serious problems for SIP servers. SIP overload occurs when a SIP server does not have enough resources to process messages. In this paper, we proposed effective methods to control SIP server overload based on the Window-Based overload control method, considering not only the maximum window size but also the number of confirmation messages. The proposed method contributes to control the SIP server load as a steady state. It is shown that the suggested method can change the maximum window size dynamically considering the number of confirmation messages.

Published in:

Ubiquitous and Future Networks (ICUFN), 2012 Fourth International Conference on

Date of Conference:

4-6 July 2012