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- W2406170704 abstract "The prevalence of computer networks has shifted the computing paradigm from mainframe or host-centric computing to network-centric computing. In network-centric computing, applications are executed distributedly on a collection of computers interconnected via local and wide area networks. The performance of network-centric applications can be dramatically improved with switch-based high-speed networks, such as HIPPI, ATM, and Fibre Channel. In this study, we focus on the high-speed network support for two important applications in network-centric computing: high-performance network computing and multimedia communication.One important class of network computing is cluster computing, which enables a collection of locally interconnected computers to be used as a general-purpose parallel computing system. Large problems can be solved cost effectively by using the aggregate processing power and memory space of a cluster. However, communication between processors has long been the bottleneck of cluster computing. We have especially concentrated on maximizing the achievable throughput and minimizing the communication delay for cluster computing in homogeneous environments. We have enhanced a popular cluster computing environment, Parallel Virtual Machine (PVM) with clusters of workstations on either local ATM or HIPPI networks.One possible extension of cluster computing is to incorporate clusters of computers via wide area networks. This is called meta-computing. For example, a group of diverse high-performance computers from several geographically distributed supercomputer centers can be employed to solve large problems. ATM is the de facto standard for wide area networks. However, most of the supercomputer centers use HIPPI in their computing facilities. The internetworking of HIPPI networks and wide area ATM networks becomes an important issue for meta-computing. Two feasible solutions for the problem, HIPPI Tunneling and IP Routing, have been studied in this thesis.Multimedia communication imposes another challenge for high speed networks. The delivery of continuous media requires high communication bandwidth and real-time constraint. We have studied two new CBR transmission schemes, called PCR-assist CBR (PCBR) and PCR-assist Dual-Rate CBR (PDCBR), which employ the Program Clock References (PCR) embedded in the MPEG-2 Transport Streams to regulate their transmission. The two schemes provide flexible trade-off between buffer requirement and transmission rates." @default.
- W2406170704 created "2016-06-24" @default.
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- W2406170704 date "1998-03-17" @default.
- W2406170704 modified "2023-09-23" @default.
- W2406170704 title "High-speed network support for high-performance network computing and multimedia communications" @default.
- W2406170704 hasPublicationYear "1998" @default.
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