Enterprise IT Consultant Views on Technologies and Trends:

High Availability

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June 15, 2011  8:52 AM

Understanding VSAM RLS that provides limited sharing between CICS and batch



Posted by: Sasirekha R
CICS, High Availability, IBM, VSAM

Understanding VSAM RLS that provides limited sharing between CICS and batch CICS applications are estimated to handle more than 30 billion transactions per day and process more than $1 trillion worth of business every week. VSAM is where the data is for a large percentage of...

February 14, 2011  2:38 AM

Mainframe z/OS Components



Posted by: Sasirekha R
High Availability, IBM, Mainframe, performance, virtual, zOS

Mainframe 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...


October 4, 2010  4:57 AM

Eventual Consistency gives scalability and availability



Posted by: Sasirekha R
BASE, CAP Theorem, Eventual Consistency, High Availability, NoSQL, Read-your-writes, Scalability

Eventual consistency gives scalability and availability

Success of high-volume web sites such as Google, Amazon, Twitter and Facebook in using NoSQL to achieve massive parallelism, unlimited scalability and high availability has...


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