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Benchmarking Data Replication Performance for The Defense Integrated Military Human Resources System

The Defense Integrated Military Human Resources System (DIMHRS) is an initiative by the Department of Defense (DoD) to develop a web-based personnel and pay management system. The participant subsystems of DIMHRS and its intended users are highly geographically distributed throughout all regions of the world. This varied distribution of subsystems and users over vast distances requires some mechanism to ensure that services are delivered to users with reasonable performance and reliability. The deployment of data replication in DIMHRS is intended to provide users with fast, reliable access to data regardless of their location. Several different data replication schemes can be applied to achieving this goal. The purpose of our research is to define a set of benchmarks that measure various aspects of data replication performance and evaluate the effectiveness of particular data replication schemes under simulated test environments designed to match expected real-world DIMHRS usage. We conclude with a recommendation on the data replication scheme(s) that we feel best serve the aforementioned