Recent Articles

May 3, 2017 in High Availability Distributed Services

Quorum and Gerrymandering : Thoughts on managing failover in a distributed HA system

Defining Quorum Quorum is defined as the number of voters necessary to carry an election or vote.  We would like to ensure that all services carry on functioning  under various…

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April 26, 2017 in SIP Diagnostics and Quality of Service

Diagnosing SIP issues: one way audio, gaps in sound, registration errors, SIP ALG

Session Initiation Protocol (SIP) can get quite complicated, especially when products from different suppliers are mixed.  SIP issues are difficult to diagnose! A SIP call relies on DNS, NTP, routers, switches, SIP…

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