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The current standard for fault-tolerance in the Common Object Request Broker Architecture (CORBA) does not support network partitioning. However, distributed systems, and those deployed on wide area networks in particular, are susceptible to network partitions. The contribution of this paper is the description of the design and implementation of a CORBA fault-tolerance add-on for partitionable environments...
Passive replication has been extensively studied in the literature. However, there is no comprehensive study yet with regard to its degree of communication synchrony. Therefore, we propose a new, detailed classification of hot passive replication protocols, including a survey of the fault tolerance and performance of each class
This work presents a debugging system built for the Object Request Broker (ORB) used in the construction of Solaris MC, a multicomputer OS. Even though it has been built and tested on a particular ORB, we believe similar ideas could be employed on other ORBs with similar structure and goals. The goal of this system is to provide a means to stress the ORB behavior in a controlled manner while logging...
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