Managing Enterprise VOIP: The Case For A New Standard

Clark, Alan
June 2004
Business Communications Review;Jun2004, Vol. 34 Issue 6, p42
Trade Publication
As voice over IP (VOIP) gets deployed in enterprise networks, and in Internet Protocol (IP) Centrex and virtual private network (VPN) services, it is becoming apparent that the available performance management tools and technologies are insufficient to resolve the operational problems that arise. These problems derive primarily from VOIP's sensitivity to congestion and other IF network problems, and the fact that IP network problems can be transient and hard to identify. Enterprise network managers need a more comprehensive approach to VOIP management. One of the foundations of such an approach is the IETF's RFC 3611, the Real-Time Control Protocol Reporting Extensions (RTCP XR). RTCP XR is designed to be implemented as software in IP phones and gateways. As these devices exchange RTCP XR messages, probes and analyzers inserted into the call path can be used to monitor and report on VOIP performance. Telchemy and Nortel are among the first companies to develop products based on the protocol and several major telecom carriers in the U.S., are requiring RTCP XR support. INSET: Security And Performance Management Conflicts.


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