March 2003
Intermediate to advanced
282 pages
9h 13m
English
book
IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
by Jouko Jantti, Juan Jesœs Iniesta Mart’nez, Knut Kubein, Bill Stillwell, Gary Wicks
Content preview from IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
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138 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
7.1 IMS architecture overview
The IMS long term architecture was developed over a period of years in the 1980s and 1990s.
There are several goals hoped to accomplish by the new architecture:
Reduce complexity of product code
– Isolated modular units (MUs) communicating through an architected interface
– Design / development / test / release independence
– Improved code quality
– Less scope of knowledge required to work on IMS code
Remove capacity and growth constraints
– Modular units can be added to the sysplex as needed to meet demand
– Protect OS/390 investment for both IBM and customers by allowing incremental growth
as it is needed
Simplify systems management of IMS ...
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