Data replication protocol

Details Data replication protocol Data replication protocol

2001-10-11

2009-08-04

Osman, Ramy Mohamed (Department: 2457)

Electrical computers and digital processing systems: multicomput

Master/slave computer controlling

C709S203000, C709S209000, C709S216000, C709S217000

Reexamination Certificate

active

07571215

ABSTRACT:
Data can be replicated over a network using a one or two phase method. For the one phase method, a master server containing an original copy of the data sends a version number for the current state of the data to each slave on the network so that each slave can request a delta from the master. The delta that is requested contains the data necessary to update the slave to the appropriate version of the data. For the two phase method, the master server sends a packet of information to each slave. The packet of information can be committed by the slaves if each slave is able to process the commit.

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