Multicast routing and resource allocation in next generation convergence network = 차세대 통합망에서의 멀티캐스트 라우팅과 자원할당

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Technology is moving forward at an ever-quickening pace all fields of communications. As individuals around the world gain connectivity, try to keep up with the newest cellular phone or the fastest Internet service, all these separate communications networks are converging into what are called next convergence networks. The next convergence network will be the convergence of wired and wireless networks. As a long time, wired communication and wireless communications have been mutually separated. But, as the diversities of communication devices are increasing, the need of customers’ unification of several different services is incrementing. This thesis investigates two problems in related with multicast and resource allocation in next generation network. We present formulations and the heuristics. First, Reliable overlay multicast trees for private Internet broadcasting with multiple sessions are discussed and heuristic is proposed to solve the reliable overlay multicast trees. With rapid advances of computing technologies and high speed networks, various high volume multimedia services have become popular in the Internet. Private Internet broadcasting is a typical way to support these services and overlay multicast technology is known to be a promising solution to support this method. In an overlay multicast network, members are dynamically joining or leaving their multicast group. To reduce frequent updates of multicast members and provide a reliable multicast route, overlay multicast trees are investigated. The problem is formulated as a binary integer programming which maximizes the minimum link reliability for all multicast sessions. Tabu search heuristic is developed with repeated intensification and diversification. Robust computational result is obtained that is comparable to the optimal solution and applicable in real time. Second, the problem of maximizing the minimum end-to-end data rate considering traffic demand in multi-hop and multi-channel w...
Lee, Chae-Youngresearcher이채영researcher
한국과학기술원 : 산업공학과,
Issue Date
295313/325007  / 020025829

학위논문(박사) - 한국과학기술원 : 산업공학과, 2008.2, [ vi, 88p ]


멀티캐스트; 오버레이 네트워크; 타부 서치; 무선 메쉬 네트워크; 채널 할당; Multicast; Overlay Network; Tabu Search; Wireless Mesh Network; Channel Assignment; 멀티캐스트; 오버레이 네트워크; 타부 서치; 무선 메쉬 네트워크; 채널 할당; Multicast; Overlay Network; Tabu Search; Wireless Mesh Network; Channel Assignment

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