High availability message transfer system for side effect...

Details High availability message transfer system for side effect... High availability message transfer system for side effect...

2009-01-23

2011-11-29

Vu, Viet (Department: 2448)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

Reexamination Certificate

active

08069211

ABSTRACT:
Architecture that protects side effect messages by associating the side effect messages with a primary (redundant) message that was received by a transport mechanism (e.g., a message transport agent). Side effect messages are considered “side effects” of a primary message that caused generation of the side effect messages. The primary message is only considered fully delivered after the primary message and all associated side effect messages are delivered, after which the source of the primary message is ACK'd (sent an “ACKnowledgement” message). Hence, in case of hardware failures after the primary message was delivered, but before delivery of side effect messages, the redundancy approach used triggers re-delivery of the primary message and re-generation and delivery of the side effect messages.

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