Using Domains to Support Replication in a Distributed Shared Object System

C. Sobaniec and D. Wawrzyniak (Poland)


replication, distributed shared objects, consistency models


Replication is a key concept in providing high availabil ity and performance in distributed systems. The natural tendency to make the replication process transparent leads to inefficient consistency protocols. Consistency relaxation and user cooperation can significantly improve the overall performance. In this paper we propose a new dimension of user cooperation in describing the system expectations concerning replication. Replication domains group repli cated objects that share a common access patterns. We use domains to optimize replication of complex object struc tures allowing arbitrary processing also in case of nested invocations.

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