Output-Valid Rollback-Recovery

This paper analyzes an application-transparent rollback-recovery protocol for crash/recover hosts and fair-loss links. The protocol, Ken, is abstracted from an open-source implementation, Waterken, designed to facilitate reliable distributed commercial application development. Ken unifies application state checkpointing with logging required for reliable communication and is well suited to current technology and to the requirements of decentralized commercial software development. It preserves the main advantages of pessimistic logging, including simple local recovery and the need to maintain only one checkpoint per process.

Provided by: Hewlett-Packard (HP) Topic: Networking Date Added: Oct 2010 Format: PDF

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