Statistical Analysis of Message Delay in SIP Proxy Server
Pavel Abaev,
Rostislav Razumchik,
Ivan Uglov
Abstract:Single hop delay of SIP message going through SIP proxy server operating in carriers backbone network is being analyzed. Results indicate that message sojourn times inside SIP server in most cases do not exceed order of tens of milliseconds (99% of all SIP-I messages experience less than 21 ms of sojourn delay) but there were observed very large delays which can hardly be attributed to message specific processing procedures. It is observed that delays are very variable. Delay components distribution that is to… Show more
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