Traffic Engineering Primer and Calculator
The popularity of voice over IP has exposed many data people to some new terminology related to telephone traffic engineering. For example, grade of service, blocking and Erlang are terms that may be new to some data professionals. This tutorial is intended to explain some of these terms as well as describe a useful tool for calculating service levels in a voice environment. The accompanying calculator makes traditional telephone traffic engineering tables obsolete. It quickly provides blocking probabilities, number of circuits required, or the traffic carry capacity of a given number of circuits depending on what information the user requires. Network designers will find this to be a useful addition to their design tool kits.
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|Related White Paper: Traffic Engineering Techniques in Telecommunications|
|Related VoIP Bandwidth Calculator|
|Download Traffic Engineering Calculator (Approx. 180 kB; Right-click to download file.)|
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Gary Zielke is a registered Professional Electrical Engineer who has been involved in the telecommunications industry for over 30 years. He has held managerial positions within an operating telephone company as well as independent consulting companies. Network design is his area of specialization. He has developed several computerized tools for the design, simulation, and optimization of voice and data networks. He has authored papers and conducted seminars on the subject, throughout Canada, the U.S.A., and Europe. His expertise also includes TCP/IP and ATM, which has been a distinct asset in providing Voice over IP training. Having personally developed some of the design techniques in use today, he brings to his clients a rare insight into design problems that is not commonly available.
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