Non-disruptive reconfiguration of a publish/subscribe system

Details Non-disruptive reconfiguration of a publish/subscribe system Non-disruptive reconfiguration of a publish/subscribe system

2007-10-16

2007-10-16

Harper, Kevin C. (Department: 2616)

Multiplex communications

Fault recovery

C370S254000, C370S394000

Reexamination Certificate

active

10622279

ABSTRACT:
A publish/subscribe system is non-disruptively reconfigured, such that messages are not lost during the reconfiguration. After reconfiguration is initiated, messages that are to be delivered within the publish/subscribe system are forwarded using either an old path or a new path. That is, until the reconfigured system is stabilized, some messages may be delivered using the old path, while other messages are delivered using a new path. After the system is stabilized, the new path is used for delivery of all the messages, until another reconfiguration is initiated.

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