Question

Explain what traffic engineering is and how it can be applied to voice capacity planning.

Answer 1

Traffic engineering is a method of optimizing the performance of a telecommunications network by dynamically analyzing, predicting and regulating the behavior of data transmitted over that network. Traffic engineering is also known as teletraffic engineering and traffic management. The techniques of traffic engineering can be applied to networks of all kinds, including the PSTN  (public switched telephone network), LANs (local area networks), WANs (wide area networks), cellular telephone networks, proprietary business and the Internet. Given the fast growth of the VoIP usage and the essential role played by the voice gateways in this transition process, it is mandatory to plan the capacity of these gateway systems in order to guarantee the required quality of service. Traffic engineering is an integral building block in voice capacity planning and in ensuring a certain level of service to users. Traffic engineering is used to plan the voice capacity by dynamically analyzing, predicting and regulating the behavior of data transmitted over the network and we model and simulate this system in order to analyze and plan its capacity to meet the current and near-future organization’s demand for DDD via VoIP.

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