Data backup

Details Data backup Data backup

2005-05-10

2005-05-10

Bragdon, Reginald G. (Department: 2188)

Electrical computers and digital processing systems: multicomput

Distributed data processing

Client/server

C711S162000

Reexamination Certificate

active

06892221

ABSTRACT:
A system, signal and method for data backup. The method, comprising the steps of: identifying at least one data increment which was previously provided to a subscriber server or generated by a subscriber server and which is to be backed up; checking at least one service provider access server to determine if it has a copy of at least a portion of the identified data increment or can regenerate or replicate at least a portion of the identified data increment; and backing up the data increment using the copy or regenerated or replicated portion from the access server if it is found and otherwise using a copy sent from the subscriber server after the checking step.

REFERENCES:
patent: 5774667 (1998-06-01), Garvey et al.
patent: 5974563 (1999-10-01), Beeler, Jr.
patent: 6026414 (2000-02-01), Anglin
patent: 6526418 (2003-02-01), Midgley et al.
patent: 6615225 (2003-09-01), Cannon et al.
patent: 20020129047 (2002-09-01), Cane et al.

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