Backup coordinator for distributed transactions

Details Backup coordinator for distributed transactions Backup coordinator for distributed transactions

2011-03-01

2011-03-01

Maskulinski, Michael C (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S004110, C714S019000, C714S020000

Reexamination Certificate

active

07900085

ABSTRACT:
A primary coordinator generates a prepare message for a two-phase commit distributed transaction, the prepare message including an address of a backup coordinator. The primary coordinator maintains a transaction log of the distributed transaction, wherein the transaction log is accessible to both the primary coordinator and the backup coordinator. The prepare message is sent to a plurality of participants. The primary coordinator fails over to the backup coordinator without interrupting the distributed transaction.

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