July 2006 Entries
In this post I’m going to discuss a possible solution to a common problem and that is how do to initiate a renewal process to replace an old system without initating one of the existing major change drivers. System renewal and end of life are the life blood of I.T. Our whole business thrives on change. But change is costly, time consuming, complex, problematic and uncomfortable. It’s one of mankind’s ultimate ironies, we are good at adapting to change but we don’t like it....
It is a logical, reasonable and best practice stance to examine getting the most out of assets that are already at your disposal especially if there is an emphasis of reduce costs which is one of the driving factors for selecting SOA in the first place. With SOA one of the most emotive technical issues to tackle is where to host the ESB (Enterprise Service Bus) as there is an attraction to examining hosting the ESB on existing hardware, a mainframe would seem an obvious choice. In this post I will...
In this post I will be taking a high level look at what a possible SOA implementation architecture scenario and what it might look like giving an indication of what technologies are involved. This example scenario is a SOA implementation for call-centres using Microsoft Technologies, some you may have heard of, and others that are sadly as yet unsung. A few things to note, I haven’t come across a medium to large organisation that doesn’t use Citrix for the UI deployment so this is why...
In the next two posts we are going to discuss SOA which as you may know if you read this blog regularly is a pet subject of mine. I’ve encounter many a good person that is fully aware of SOA and its much hyped benefits but this doesn’t help them visualise it, hence these posts which are for you good people. The logical model is my interpretation of SOA, it may not be everyone’s interpretation, so if it’s not I would love to hear from you. The SOA logical model has 6 layers, Existing Systems, Data...