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Data replication is a common technique used for fault-tolerance in reliable distributed systems. In geo-replicated systems and the cloud, it additionally provides low latency. Recently, causal consistency in such systems has received much attention. However, all existing works assume the data is fully replicated. This greatly simplifies the design of the algorithms to implement causal consistency...
The vector clock is an important mechanism to track logical time and causality in distributed systems. Vector clocks incur an overhead of n integers on each message, where n is the number of processes in the system. The incremental vector clock technique attaches only the changed components of the vector clock to a message. This technique to reduce the size of the message overhead is popularly used...
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