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A Systematic Approach to the Analysis and Configuration of Audio/Video-on-Demand Services
Abstract
This chapter presents a method for performance analysis and configuration of audio/video-on-demand services. These kind of services makes use of an important number of resources, requires a constant quality of service and contents, and usually have important production costs. To maintain a good quality of service and at the same time, to make a profit for the content provider, services must have the optimum configuration. With this aim, the configuration process must be based on an accurate service behavioural analysis which evaluates the quality and the quantity of resources, contents and subscribers. This analysis can be performed using monitored information extracted from servers, proxies and network monitors, and predictions of a near future behaviour using laboratory experiments. To systematize both analysis and configuration, a method must be developed in order to help service managers attain a good performance and at the same time, make a profit for their companies. All this systematic method goals are based on the principle that “a satisfied client provides more profit”. Other elements such as data sources, input data, and initial configuration should also be included. Moreover, the methodology is prepared to be extensible, and adaptable to new configuration possibilities, data, analyses, or goals.
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