Software infrastructure for the I-WAY high-performance distributed computing experiment

Abstract
High speed wide area networks are expected to enable innovative applications that integrate geographically distributed, high performance computing, database, graphics, and networking resources. However, there is as yet little understanding of the higher level services required to support these applications, or of the techniques required to implement these services in a scalable, secure manner. We report on a large scale prototyping effort that has yielded some insights into these issues. Building on the hardware base provided by the I-WAY, a national scale asynchronous transfer mode (ATM) network, we developed an integrated management and application programming system, called I-Soft. This system was deployed at most of the 17 I-WAY sites and used by many of the 60 applications demonstrated on the I-WAY network. We describe the I-Soft design and report on lessons learned from application experiments.

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