Method for replication tracing

Details Method for replication tracing Method for replication tracing

2004-11-29

2008-11-18

Pham, Hung Q (Department: 2168)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000, C709S228000, C709S231000, C709S232000, C713S400000, C713S401000

Reexamination Certificate

active

07454402

ABSTRACT:
In a network in which local copies of a shared document are maintained by multiple servers, performance data is gathered and stored during document synchronization via replication. The performance data includes a delay indicator which is associated with the document such that each copy of the document includes a record of which servers and hops were traversed and what delay was experienced at each of those servers and hops. The delays may be calculated by associating a time stamp with the document upon receipt at a server, and subsequently comparing time of receipt at a logically adjacent server with the time stamp. The performance data can be used to locate problems.

REFERENCES:
patent: 6061686 (2000-05-01), Gauvin et al.
patent: 2002/0169868 (2002-11-01), Lopke et al.
patent: 2004/0064419 (2004-04-01), Glassco et al.
IBM Replication Monitoring Center for DB2, IBM, 2003.
GSX Monitor Replication Monitoring, Lotus Notes & Domino Tools and Services.

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