April 2007
Beginner
280 pages
7h 37m
English
book
z/TPF and WebSphere Application Server in a Service Oriented Architecture
by Joe DeCarlo, Barry Baker, Edwin van de Grift, Jason Keenaghan, Dong Jun Lan, Bill Supon, Stuart Waldron, Dan Weber
Content preview from z/TPF and WebSphere Application Server in a Service Oriented Architecture
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Chapter 1. An introduction to z/TPF and its role in a Service Oriented Architecture 11
Prior to z/TPF, this typically meant short delays to processing transactions as the state of the
system was saved to a device (typically a tape) for off-line processing. The system would
have to pause other processing such that the data within the system could be captured
without being altered by a subsequent transaction. z/TPF takes advantage of the extended
memory available in the IBM 64-bit z/Architecture® and captures this data to memory
reserved for this function. By eliminating the I/O to tape drives during the actual state save,
processing continues in substantially less time than with prior versions of TPF.
1.8.3 Scalability
z/TPF customers includ ...
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