HiperTM: High Performance, Fault-Tolerant Transactional Memory

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Provided by: Virginia Systems
Topic: Storage
Format: PDF
The authors present HiperTM, a high performance active replication protocol for fault-tolerant distributed transactional memory. The active replication paradigm allows transactions to execute locally, costing them only a single network communication step during transaction execution. Shared objects are replicated across all sites, avoiding remote object accesses. Replica consistency is ensured by OS-Paxos, an optimistic atomic broadcast layer that total-orders transactional requests and SCC, a local multi-version concurrency control protocol that enforces a commit order equivalent to transactions' delivery order.
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