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Written by Philip L Yuson   
We are a registered corporation in the province of British Columbia since 1999. With more than 25 years of international experience in various areas in information technology, we are able to provide practical solutions that fully address the business requirements of our clients.
 
Our areas of expertise include:
  • IT Service Management process consulting and training
  • Development Lead
  • Open Source Technologies
  • Technical Training
We have a passion for excellence in delivering efficient and effective solutions to our clients.
 
 
What is IMS Transaction Manager
Written by Philip L Yuson   

IMS is a transaction manager and database system for the mainframe. This article provides a brief overview of the transaction manager.

In a previous article (What is an IMS Database), I discussed about IMS databases. IMS is more than a database system. It also manages online transactions. If you need to know what an online transaction is, please read my previous article ( Types of Processing on the Mainframe: Batch and Online)

 
Incident and Problem: What is the Difference
Written by Philip L Yuson   

One nice thing about ITIL is it provides definitions for almost everything in IT service management. First things first. We need to define these two terms.

 
MVS File System
Written by Philip L Yuson   

Every operating system has its own file system. z/OS is no exception. Windows and *NIX file systems are based on hierarchical directory structure. Basically, you have one root directory and you can create directories (sometimes called folders) or files under that root directory. Mainframe disk files are very different to this hierarchical approach.Data Set Names (DSN)

 
Considerations for IT Service Continuity
Written by Philip L Yuson   

How do you go about determining or even starting an IT Service Continuity Plan? One of the difficulties of formulating a plan is to determine which applications are critical to your organization. The first place to begin is in your Service Level Agreements (SLA). Your SLA defines what is critical to your organization.

 
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