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Guest editorial Parallel computing on clusters of workstations

Summary: Guest editorial
Parallel computing on clusters of workstations
There has been an increasing interest in the use of clusters of workstations con-
nected together by high speed networks for solving large computation-intensive
problems. The trend is mainly driven by the cost eectiveness of such systems as
compared to large multiprocessor systems with tightly coupled processors and
memories. Parallel computing on a cluster of workstations connected together by
high speed networks has given rise to a range of hardware and network related issues
on any given platform. Load balancing, inter-processor communication, and
transport protocol for such machines are being widely studied. With the availability
of cheap personal computers, workstations and networking devices, the recent trend
is to connect a number of such workstations to solve computation-intensive tasks in
parallel on such clusters.
The workstations can be connected using dierent network technologies such as
o the shelf devices like Ethernet to specialized networks. Such networks and the
associated software and protocols introduce latency and throughput limitations
thereby increasing the execution time of cluster based computation. Researchers are
engaged in designing algorithms and protocols to minimize the eect of this latency.
This special issue was planned to bring together the present state of the art in
hardware and network requirements for running parallel applications in a network


Source: Atiquzzaman, Mohammed - School of Computer Science, University of Oklahoma


Collections: Computer Technologies and Information Sciences