Christoph Jahn

There is a non-SOA view on SOA and here a few of the essential concepts are put together

IBM has published a number of interesting articles about topics like SOA, architecture in general, governance etc. Please have a look at
http://www.ibm.com/developerworks/views/architecture/libraryview.jsp?search_by=Insight+outlook

One response I got for my post on Lifecycle Management was the following:
Are you saying that one idea is that an organisation can run its whole development lifecycle by modelling it inside of a BPM tool, using it like a workflow manager?
Yes, exactly. Many people are currently thinking about how they can streamline the approval [...]

For some time the topics of SOA Governance and BPM have been looked at as if they were two relatively unrelated things. And this perception is correct in the sense that you don’t have to have them together. However, more and more people realize what huge additional benefits are in for them if they combine [...]

When David A. Fisher wrote this paper in 2006, the hype around Web Services and SOA had just begun. The point that struck me most when reading the executive summary, was that Fisher does not limit his thoughts to technical systems. Instead he accepts the fact that the involved people are also an important part [...]

In the context of SOA (Service-Oriented Architecture) there has been a revival of the asynchronous communication pattern. And that is really what it is: a pattern. First and foremost we are not talking about a specific product, protocol or API but simply a way how to design systems and applications. After this has (hopefully) been [...]

When you work in the software industry you are probably used to seeing things change rapidly. One of the disadvantages that come with this is a “heterogeneous” use of terms. It is often due to the fact that we do not want to bother ourselves with precise definitions. A very sloppy use of language is [...]

Microsoft has published a comparison of the four most well-known frameworks / methodologies / processes that aim to help you with Enterprise Architecture. These are

The Zachman Framework (PDF) for Enterprise Architectures
The Open Group Architecture Framework (TOGAF)
The Federal Enterprise Architecture
The Gartner Methodology

There is a whole bunch of other interesting articles on this page, so you might [...]

In a recent edition of their ZapFlash newsletter the guys from ZapThink (I could not reach their site when writing this, therefore no link is put in here) bring up a pretty interesting topic. They discuss the relationship between the role of a business analyst (BA) and that of an enterprise architect (EA). They put [...]

SOA in Practice
Nicolai M. Josuttis. O’Reilly Media 2007, Paperback, 352 pages, $27.54

A colleague recommended this book (link to amazon.com and amazon.de) to me and I was not disappointed. On the contrary, this was one of the most interesting IT books I have come across so far. The author is pretty well known in the SOA space and a [...]