Distributed Shared Memory in Global Area Networks
Authors: Happe, Hans Henrik, Vinter, Brian
Distributed Shared Memory (DSM) has many advantages in heterogeneousenvironments, such as geographically distant clusters or The Grid. These includes:locality utilization and replication transparency. The fact that processes communicateindirectly through memory rather than directly, is giving DSM these advantages.This paper presents the design of Global PastSet (GPS) which is a DSM systemtargeted at global area networks. GPS is based on the DSM system PastSet  that hasbeen very effective in homogeneous cluster environments. GPS utilizes consistencycontrol migration and replication to scale in heterogeneous environments. This hasresulted in a token-based mutual exclusion algorithm that considers locality and analgorithm for locating replicas. GPS has been simulated in multi-cluster environmentswith up to 2048 nodes with very promising results.
Communicating Process Architectures 2003, Jan F. Broenink, Gerald H. Hilderink, 2003, pp 49 - 62 published by IOS Press, AmsterdamFiles: PDF
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