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1. (WO2013163319) METHOD AND SYSTEM FOR IMPLEMENTING A REDO REPEATER

Pub. No.:    WO/2013/163319    International Application No.:    PCT/US2013/038029
Publication Date: Fri Nov 01 00:59:59 CET 2013 International Filing Date: Thu Apr 25 01:59:59 CEST 2013
IPC: G06F 11/20
Applicants: ORACLE INTERNATIONAL CORPORATION
Inventors: MCGEE, Steven
LUO, Jiangbin
GARIN, Benedicto
GIRKAR, Mahesh
HARVEY, Michael
KARKHANIS, Nitin
LEE, Steve
LOAIZA, Juan
MCGUIRK, Robert
YANG, Hongjie
Title: METHOD AND SYSTEM FOR IMPLEMENTING A REDO REPEATER
Abstract:
Disclosed are methods and apparatuses to provide a redo repeater that allows for no data loss protection without the performance impact to the primary database even when a significant geographical distance separates the primary and standby databases. The Repeater is a lightweight entity that receives redo from the primary database with the purpose of redistributing that redo throughout the primary/standby system configuration. The Repeater able to extend no data loss protection and switchover functionality to terminal standby databases even though the primary database does not need to have a direct connection with those destinations.