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Simulation of Routing Protocol with CoS/QoS Enhancements in Heterogeneous Communication Network

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Conference paper

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The article describes the subject of QoS routing mechanism in tactical heterogeneous communication network consisting of network elements built in different technologies and connected following rules developed in the TACOMS Post 2000 project TP2K. TP2K was an international project, the objective of which was to develop new standards of interoperability of communication networks and, apart of the interfaces, described some additional issues that are important in providing information transfer between technologically different domains. Routing in heterogeneous networks is one of the main standardization problems, especially in terms of connection oriented CO services. Routing mechanism should select the path to the destination, which includes only elements subsystems able to provide requested level of the quality of service QoS. The first part of the article presents proposition of new standard related to CO routing in heterogeneous communication network, which is equipped with QoS enhancements but bases on standardized routing protocol. There has been also described the conception of validation of proposed solution using OPNET simulation tool as well as simulation model used to validate operation of mentioned routing protocol. Analysis of results obtained during performed simulation experiments is the main part of the article. Special attention was paid to the number of non user information transferred by the modeled routing protocol as well as network convergence time measured in various situations. The basis for drawing conclusions was the analysis comparing results achieved during test of standard routing protocol with tests of routing protocol with QoS enhancements. The article is summarized by conclusions from performed researches.

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  • Radio Communications

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