Gathering at the well: creating communities for grid I/O
Proceedings of the 2001 ACM/IEEE conference on Supercomputing
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Faster networks and cheaper storage have brought us to a point where I/O caching servers have an important role in the design of scalable, high-performance file systems. These intermediary I/O servers - or buffer servers - can be deployed at strategic points in the network, interposed between clients and data sources such as standard file servers, Internet data servers, and tertiary storage. Their purpose is to provide a fast and incrementally scalable I/O service throughout the network while reducing and smoothing demands on shared data servers and the network backbone.This position paper outlines a case for caching buffer servers and addresses some of the key technical challenges in the design of a buffer service. We also describe the role of buffer servers in the Trapeze project, which uses gigabit networks as a vehicle for high-speed network I/O.