ROI: An Invocation Mechanism for Replicated Objects

Authors:
F. D. Muñoz-Escoí;P. Galdámez;J. M. Bernabéu-Aubán
Affiliations:
-;-;-
Venue:
SRDS '98 Proceedings of the The 17th IEEE Symposium on Reliable Distributed Systems
Year:
1998

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Abstract

The reliable object invocation mechanism provided by HIDRA for the coordinator-cohort and the passive replication models offers support to ensure that all the replicas of the object being invoked are correctly updated before such an invocation is terminated. This mechanism also ensures that if a primary or coordinator replica crashes, the client is able to reconnect to the previously initiated invocations, collecting their results without requiring their reexecution. All this support is provided transparently to the client of the replicated objects, which does not notice any difference respect to the invocations made to non-replicated objects. Moreover, the protocols described in the paper deal also with the failure of any of the objects involved in this kind of invocations.