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A note on "The Limited Performance Benefits of Migrating Active Processes for Load Sharing"

Authors:
Downey, Allen B.
Harchol-Balter, Mor
Technical Report Identifier: CSD-95-888
November 1995
CSD-95-888.pdf
CSD-95-888.ps

Abstract: The 1988 paper, "The Limited Performance Benefits of Migrating Active Processes for Load Sharing," by Eager, Lazowska and Zahorjan concludes that migrating active processes for load balancing offers little additional performance benefit beyond that obtained using only remote execution (placement). This result is based on analysis and simulation of a system model that is intended to overestimate the performance benefit of migrating active processes.

This report examines the system model used by Eager, Lazowska and Zahorjan and concludes (1) that it does not describe many systems, like networks of workstations, to which its results have been applied, and (2) that it underestimates the potential performance benefit of migrating active processes.