Аннотация
Service quality and cost control are critical success factors for the communications industry, and performance engineering is an essential ingredient in achieving both. It enables service quality to be _built in_ to products in contrast to solely reacting to the latest crisis. Cost reduction is achieved by addressing potential problems early before the costs to remedy rise and large failure costs are incurred.This book provides both introductory material that gives a good feel for the subject area and its value, and in-depth case studies illustrating the latest tools, techniques and knowledge. Performance engineering through the whole life-cycle is discussed: modelling, measurement, testing, capacity management. In addition, state-of-the-art material is included on designs for ensuring the performance of overloaded networks. The range of system and network applications covered is wide, from broadband, IP networks, and intelligent networks providing telemarketing services to combined Web/telephony systems, operational support systems and call centres. This book provides an excellent insight into a field which has never been more relevant.
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