Appeal No. 1996-1715
Application No. 08/068,592
system software may be changed periodically to add new
functions or enhancements." Mathur further discloses that:
When the system software is changed, it becomes
desirable to perform a process . . . to update the
non-volatile storage devices 103 in a predetermined
subset of nodes in the network so that the new
system software may be used to operate the CPU's 101
of the subset of nodes.
The process by which Mathur does the update involves loading
the software into a source node and then distributing the new
software to the other nodes. Mathur discloses neither the
systematic comparisons of version numbers nor timestamps and
systematic comparisons thereof.
Lowry relates to common databases for plural application
programs. Lowry discloses tracking the various versions of
data files as updates are made. The examiner contends
(Answer, page 6) that the "synchronization timestamp of the
claim is identical to the checkpoint of Lowry." The examiner
further explains (Supplemental Answer, page 3) that:
[I]n Lowry, the snapshot file contains multiple
versions of data and at checkpoint, the master data
file must be synchronized to a specific version. . .
. the contents of the master data file are replaced
with a checkpoint version from the snapshot file . .
. . In other words, a checkpoint version is a
version at a specific point in time. Therefore,
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