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System and method for dynamic transparent consistent application-replication of multi-process multi-threaded applications
System and method for dynamic transparent consistent application-replication of multi-process multi-threaded applications
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机译:动态透明一致应用程序复制的系统和方法,多过程多线程应用程序复制
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摘要
A system, method, and computer readable medium for consistent and transparent replication of multi process multi threaded applications. The computer readable medium includes computer-executable instructions for execution by a processing system. Primary applications runs on primary hosts and one or more replicated instances of each primary application run on one or more backup hosts. Replica consistency between primary application and its replicas is provided by imposing the execution ordering of the primary on all its replicas. The execution ordering on a primary is captured by intercepting calls to the operating system and libraries, sending replication messages to its replicas, and using interception on the replicas to enforce said captured primary execution order. Replication consistency is provided without requiring modifications to the application, operating system or libraries.
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