Title:
VARIABLE SYNCHRONICITY BETWEEN DUPLICATE TRANSACTIONS
Document Type and Number:
WIPO Patent Application WO2003056426
Kind Code:
A3
Abstract:
A data processing system, computer program product, and data processing system for providing an adjustable level of synchronicity between duplicated transactions is disclosed. An acceptable level of lag between transactions is specified. Duplicated transactions performed at redundant systems are allowed to lag behind the corresponding transactions at the primary system by the specified amount of lag. Lag may be measured in terms of number of transactions, an amount of data, amount of time, or using any other suitable metric.
Inventors:
HOSTETTER DAVID G
MILILLO MICHAEL S
JOHNSON JENNIFER
WEST CHRISTOPHER J
MILILLO MICHAEL S
JOHNSON JENNIFER
WEST CHRISTOPHER J
Application Number:
PCT/US2002/041534
Publication Date:
April 08, 2004
Filing Date:
December 23, 2002
Export Citation:
Assignee:
STORAGE TECHNOLOGY CORP (US)
International Classes:
G06F9/00; G06F9/46; G06F11/20; (IPC1-7): G06F9/46; G06F11/20
Foreign References:
| US5742792A | 1998-04-21 | |||
| US5933653A | 1999-08-03 |
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