When designing components for a SOA landscape (or any multiprocess system), the primary concern is with the communication behavior of the component: how messages are passed to and from the component and in what order, what those messages are and what constitutes a valid message and what doesn’t. When the time comes to implement the [...]
Over the past few days my thoughts have been drawn to what I think is a common problem (in addition to the ones identified by Freddie van Rijswijk in his recent blog) in establishing and participating in a SOA architecture: Won’t Let Go Syndrome (WLGS).
WLGS is a problem akin to the Not Invented Here [...]
How is SOA and BPM going to improving the ability to serve and exceed quality while cut in the 30% cost of IT MOOSE? I´m convinced that SOA and BPM is NOT the answer. The discussion on ROI of SOA caused by my Blog-item SOS voor SOA andmultiple discussions with Max J. Pucher and reading [...]
A couple of things happened to me over the past few days as I was taking on a new role within a new project that caused me to ponder a bit about the role of domains and domain driven development (DDD) within the drive towards service oriented architectures (SOA). The result of these ponderings was, [...]
Many IT projects at large companies aim to make the company “SOA-proof”. What really concerns me is that time after time software architects tend to treat “XML Web Services” as a synonym for “Service”. In this article, I want to show that SOA may also exist within a single application.
We all know how a typical web application is usually built up. The image at the side rougly displays the different layers that are to be found in an application. Typically, the user interface layer receives HTTP requests, calls one or more methods in the Business logic layer, and responds with an HTTP message containing [...]
This Post is all about laughing and not to worry to much about SOA, BPM, ROI, CEP. I came across “Greg the Architect” and his small movies underpin a lot of what i have written about lately.
If you do not see the youtube movies in this page, you have to install the flash player. [...]