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Using Application Specific Knowledge for Configuring Object Replicas

Lookup NU author(s): Professor Mark Little, Emeritus Professor Santosh Shrivastava


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In distributed systems, object replication is used to improve the availability and performance of applications in the presence of failures. When determining the configuration of a replicated object (i.e., number and location of replicas), a number of often conflicting factors need to be considered, e.g., the availability and performance requirements of the object. However, application specific knowledge about the objects, such as any inter-dependencies, is typically not accounted for. In many applications this information can affect an object’s availability. Distributed systems which support replication typically give users only basic control over the configuration of a replicated object, such as the number or location of individual replicas. Expressing application specific knowledge is not possible. We have designed and implemented a replication sub-system allowing applications to control these aspects of replication. This system allows the efficient replication of an arbitrary number of objects with arbitrary inter-dependencies.

Publication metadata

Author(s): Little MC, Shrivastava SK

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 3rd IEEE International Conference on Configurable Distributed Systems (ICCDS '96)

Year of Conference: 1996

Pages: 169-176

Publisher: IEEE Computer Society Press


DOI: 10.1109/CDS.1996.509359

Library holdings: Search Newcastle University Library for this item

ISBN: 0818673958