Abstract
Voice-over-IP (VoIP) is currently one of the most commonly used communication options and Session Initiation Protocol (SIP) is most often used for VoIP deployment. However, there is not a lot of general knowledge about typical SIP traffic and research in this area largely works with various assumptions. To address this deficiency, we present a thorough study of traffic of a real, free and publicly open SIP server. The findings reveal, among others, a surprisingly high overhead of SIP due to connection maintenance through Network Address Translation (NAT) nodes, differences from typical Web server Zipf's-law patterns and various unexpected creative uses of SIP servers. © 2013 Springer-Verlag Berlin Heidelberg.
Cite
CITATION STYLE
Stanek, J., Kencl, L., & Kuthan, J. (2013). Characteristics of real open SIP-server traffic. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7799 LNCS, pp. 187–197). Springer Verlag. https://doi.org/10.1007/978-3-642-36516-4_19
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