April 28, 2011 2:25 AM
Posted by: Sasirekha R
CICS,
cost saving,
IBM,
Java,
Mainframe,
scriptDynamic Scripting in CICS - brings best of both worlds
The CICS Dynamic Scripting Feature Pack (optional product) seems to bring the best of both worlds - benefits of quickly developing scripted, Web 2.0 applications with simple and secured...
April 27, 2011 2:47 AM
Posted by: Sasirekha R
COBOL,
cost saving,
IBM,
Mainframe,
performanceTweaking COBOL Compiler Options for Improved Performance
COBOL is still the most widely used language in mainframe - both for online transaction processing as well as massive batch processing. Even minor improvement of performance of repeatedly executing COBOL programs directly...
February 14, 2011 2:43 AM
Posted by: Sasirekha R
CICS,
IBM,
Mainframe,
transactionUnderstanding Mainframe transaction processing - CICS (for non-mainframe personnel)
CICS is IBM's online transaction processing facility - and WebSphere can be considered as an equivalent. The words transaction and task are used to describe units of work within...
February 14, 2011 2:38 AM
Posted by: Sasirekha R
High Availability,
IBM,
Mainframe,
performance,
virtual,
zOSMainframe z/OS Components
Mainframe operating system z/OS is a share-everything runtime environment that provides for resource sharing through its heritage of virtualization technology. z/OS gets work done by dividing it into pieces and giving portions of the job to various...
February 14, 2011 1:56 AM
Posted by: Sasirekha R
Cluster,
IBM,
Mainframe,
Scalability,
zOSMainframe Clustering
Mainframe has three major clustering techniques: Basic Shared DASD, CTC rings, and Parallel Sysplex. Parallel Sysplex - is analogous in concept to a UNIX cluster - allow the customer to operate multiple copies of the operating system as a single system. This...
February 14, 2011 1:50 AM
Posted by: Sasirekha R
CICS,
COBOL,
cost saving,
IBM,
Mainframe,
mainframe cost,
virtual,
Virtualized Server,
zOSMainframe Overview with focus on Cost Savings
Recently one of our Unix experts - focusing on IT optimization - came to me to get an understanding of Mainframe and like most IT people who have not worked in Mainframe had quite a few obsolete...
January 3, 2011 2:31 AM
Posted by: Sasirekha R
CICS,
IBM,
linking,
Mainframe,
performanceStatic / Dynamic Linking in CICS
In CICS there are three ways of transferring control to a subprogram:
1. Using EXEC CICS LINK Command
2. Using Static COBOL call
3. Using Dynamic COBOL call
The format of the LINK command in the calling program is:
EXEC CICS LINK...
January 3, 2011 2:24 AM
Posted by: Sasirekha R
COBOL,
IBM,
linking,
Mainframe,
performanceStatic / Dynamic Linking in IBM COBOL
Using linking, we can have one program call another program that is not contained in the source code of the calling program. Depending on the linkage options, the object module of the calling program is linked with the object module of the...
October 10, 2010 4:54 AM
Posted by: Sasirekha R
cost savings,
IBM,
Lawsuit,
Mainframe,
Neon,
SRB,
zAAP,
zIIP,
zPrimeUnderstanding SRB the possible key of zPrime - more known for Neon vs. IBM Lawsuits
IBM mainframe specialty processors - zAAP and zIIP - cost significantly less compared to the General purpose processors and these "do not count" in software pricing calculations and ISV...
