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Service oriented-architecture (SOA) is becoming more and more important as a paradigm for the development of distributed software systems. In this approach user applications are built of a set of collaborating services running in a distributed environment of Internet. Although the idea of SOA appeals strongly to the software development practitioners, there are also numerous pitfalls that cause risks...
Failure to respond to the users requests within an acceptable amount of time means that system is unavailable to its users. Therefore the prediction of systems response time for different intensity of users requests, esp. identifying requests loads causing performance degradation becomes an important issue in the design of a dependable Internet system (incl. e-commerce systems). A method for modeling...
A new technique named "rthogonal detection" which suppresses common-channel double sideband interference has been investigated in detail. It is applicable to various types of reception systems without materially affecting the desired signal for most interference situations. To illustrate the principles involved, a modification kit was developed to suppress double sideband interference into...
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