Application-Level Congestion Control Mechanisms for Large Scale Data Transfers Across Computational Grids.
Phillip M. Dickens, Vinod Kannan · Parallel and Distributed Computing Systems (ISCA) · 2003
In this paper, we discuss the development of a highly efficient, application-level data transfer system for computational grids. We describe and evaluate two application-level congestion control mechanisms, and compare their performance with respect to each other and with that obtained by TCP. We show that both application-level protocols are able to obtain performance that is very close to the maximum available bandwidth while keeping data loss rates low (from 0.06% to 1.6 %). Also, we show that both approaches obtain throughput that is close to an order of magnitude greater than that achieved by TCP. Finally, we begin to address the important issue of whether all data loss should be assumed to represent a network congestion event, with the goal of crafting the response to observed data loss as a function of the root causes of such loss.