High availability for distributed non-persistent event...

Details High availability for distributed non-persistent event... High availability for distributed non-persistent event...

2005-09-12

2010-12-21

Al-Hashemi, Sana (Department: 2156)

Data processing: database and file management or data structures

Organization of data

Object-oriented

C707S953000, C707S960000, C707S999103, C707S999105

Reexamination Certificate

active

07856461

ABSTRACT:
Techniques are provided for maintaining high propagation availability for non-persistent messages. Destination-to-instance mapping information is provided to a listener process for a cluster database. The destination-to-instance mapping indicates the current owner instance of each single-instance destination within the cluster database. To establish a connection to a single-instance destination, a sending process sends a connection request to the global listener. The connection request identifies the desired destination queue, but not the owner instance of the queue. The global listener for the cluster database uses the destination-to-instance mapping to determine which instance is the current owner of the specified queue, and establishes a connection between the sending process and the appropriate owner instance.

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