Tuesday, April 12, 2011

The Enterprise's Vision on IT Sourcing

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Sourcing strategies are constrained by application level architectures. Closed application landscapes with proprietary interfaces, intertwin...
1 comment:
Tuesday, December 21, 2010

EDA versus the Observer Pattern

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One of my blog readers came up with the question: What are the differences between Observer Pattern and Event-Driven Architecture? My an...
Saturday, October 16, 2010

My wife wants to buy an iPad!

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The world is tilting. The balance of power in the world is radically changing. Perhaps you are not fully aware of it, but look for instance ...
4 comments:
Thursday, September 30, 2010

Maintaining user interfaces is waste of money and out-dated

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Does your company still want to build its own user interfaces of the customer web-sites? Do you have headaches about all these new devices p...
Saturday, September 18, 2010

Client Server versus Publish Subscribe

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Event-driven architecture (EDA) is an asynchronous pattern which can be implemented with a publish/subscribe (pub/sub) mechanism. Pub/sub is...
Friday, June 11, 2010

Proudly presented...

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A respected colleague of mine explains how Dutch Railways (Nederlandse Spoorwegen) has been "greening" the IT by eliminating lots ...

Flabbergasted

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Off-topic... My teenage son discovered blogging and the possibility to earn a (very) few cents with Google advertising banners. Would you pl...
Wednesday, May 12, 2010

Start with "Why"

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How great leaders inspire action. Great talk by Simon Sinek: All organizations and careers function on 3 levels. What you do, How you do it ...
1 comment:
Saturday, May 01, 2010

Cloud Computing Explained

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We are heading toward Cloud Computing. About one year ago I published a posting about this trend . But what is Cloud Computing at all? Does ...
5 comments:
Saturday, October 10, 2009

EDA in practice: Hi Jim, I need some data from your Global Data Space

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At the phone Jane: "Hi, Jim, we are working on a new BI-system for the marketing department and we need some ordering- and invoice data...
4 comments:
Thursday, July 02, 2009

The CIO's top 3 priorities

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New waves of technological innovation lead to new businesses for IT-delivery. These new businesses use very fast and ultra large scale model...
4 comments:
Saturday, June 27, 2009

Another great document on Cloud Computing

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I recognize a lot of cynicism about Cloud Computing. People see it as a buzz word, which it is, and for this reason play down this technolog...
2 comments:
Thursday, June 25, 2009

Proudly Presented: The Cloud

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I came across a book titled "Collaboration in the Cloud". It's about business, collaboration and Cloud Computing. A PDF-copy i...
2 comments:
Wednesday, June 17, 2009

SOA beyond the hype

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The SOA-storm has tempered down. The extremely enthusiastic opinion-makers are cooling down. The hype is over, and SOA is there to stay. Too...
2 comments:
Thursday, April 23, 2009

Cloud Computing: From Custom-build via COTS to SaaS

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A decade or two ago, we built all of our applications ourselves (well, except some generic products like WordPerfect). Common practice in mo...
5 comments:
Saturday, April 18, 2009

Diving into the Nerd's level of SOA

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When we, architects, business process modelers, and system designers, finally got our concepts in place, and when the SOA governance is inst...
1 comment:
Tuesday, March 31, 2009

The importance of semantics mediation

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See here how to mediate semantics.
3 comments:
Friday, March 27, 2009

A Federated Service Bus Infrastructure

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How to obtain high autonomy and low mutual dependencies of the functional entities in an organization with regard to message interaction and...
16 comments:
Saturday, January 24, 2009

The 10,000 Hour Rule

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Last week Joe McKendrick referred to Malcolm Gladwell’s 10,000 Hour Rule . An interesting point Gladwell makes is that all people successfu...
6 comments:
Sunday, January 18, 2009

SOA Governance

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As we all know SOA is about business and SOA is about technology. A business oriented SOA (organization of well defined and autonomous busin...
6 comments:
Saturday, December 13, 2008

Business Process Driven SOA - using BPMN and BPEL

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It is going to look like I am collecting the whole SOA-library of Packt Publishing . Not because of any commercial interest or benefit, but ...
6 comments:
Monday, December 01, 2008

Architectural Principles and Solution Architectures

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How I see it... There is a difference between architectural principles and solution architectures. Architectural principles are guidance in...
2 comments:
Saturday, November 22, 2008

The architectural principle of fully self contained messages

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A fully self contained message is a pure and complete representation of a specific event and can be published and archived as such. The mess...
16 comments:
Sunday, November 16, 2008

SOA Cookbook

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I am getting addicted to the SOA books of Packt Publishing. Now it is the SOA Cookbook that I've been reading with delight. Why with de...
1 comment:

Enterprise Agility - An Integrated Approach

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Earlier this year I published a posting on the purpose of Enterprise Architecture in your company . I explained what the environment dynamic...
3 comments:
Tuesday, November 11, 2008

Your SOA needs a Business Case

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"SOA is, by definition, about achieving business agility through the use of business services. So a SOA business case must describe the...
4 comments:
Sunday, November 09, 2008

Cloud Computing: 16 corrections

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What is Cloud Computing? James Governor posted a list of 15 statements that explain when it's not Cloud Computing. But is he right?
2 comments:
Friday, November 07, 2008

CEP versus ESP - an academic exersise

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I had a little mail conversation with Diplom-Informatiker Gerald G. Koch of the University of Stuttgart (Germany) on how in academia the di...
3 comments:
Tuesday, November 04, 2008

SOA, EDA and CEP a winning combo

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Now also Udi Dahan joined the debate on CEP, EDA and SOA. Udi is a respected visionary on SOA and EDA, whose opinion I most of the time (if...
Sunday, November 02, 2008

Is Event Processing revolutionary?

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Mark Palmer from StreamBase stated in a comment on Alex' weblog that CEP brings fundamentally disruptive capabilities to EDA. I think ...
5 comments: