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• .NET 3.0
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• CQRS
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• Security Token Service
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• Information and Events are Stable Parts of Business

  At IRM we often use this picture to talk about the stable parts of the business. Actually we have used it at least during the eight years I‘ve been working here. The least stable part is the organisation itself. Many of us have been affected by organisational Read More... Posted den 13 januari 2012 10:32 by ericqu | 1 Comments Filed under: Architecture, Event Sourcing, CQRS

• Learning about CQRS and Event Sourcing

  In my struggle to use Domain-Driven Design (DDD) in better ways to get more value out of it and not ending up with anemic models , I began reading about Command Query Responsibility Segregation (CQRS) and Event Sourcing. These are two patterns that fit Read More... Posted den 6 mars 2011 22:27 by ericqu | 3 Comments Filed under: Architecture, Cloud computing, Event Sourcing, DDD, CQRS

• Claims on the Client …

  … is the title of a great post by Vibro that can be found here . This is an important subject and in all project where I have used claims and STS I also wanted the claims on the client. When cracking my own STS (before WIF) I always used the display token Read More... Posted den 8 maj 2010 14:57 by ericqu | 1 Comments Filed under: Design, Architecture, Security Token Service, Silverlight, .NET 4.0, WCF RIA Services

• SOA Manifesto

  Even though I believe that it has been too many manifestos lately and doubting their real value, I think that Herbjörn and the other authors of the SOA Manifesto have managed to capture important things about SOA in a concise way. Congratulations! Their Read More... Posted den 30 oktober 2009 10:05 by ericqu | 0 Comments Filed under: Architecture

• Free Seminar on EA and SOA

  For all readers that understand Swedish, you are all very welcome on a free seminar about how to do the A (rchitecture) in SOA. The seminar will be in Stockholm on the 24th of April. If you ask me to nail down what the primary goals of service-oriented Read More... Posted den 17 mars 2009 22:30 by ericqu | 0 Comments Filed under: Architecture

• Using a STS for REST Active Clients

  On thursday, me and Herbjörn , will be presenting at IASA ’s event ITARC09 (swedish) about cloud computing. The subject is about how to handle Identity and Single-Sign-On when moving applications and services to the cloud. Of course we will cover a lot Read More... Posted den 9 mars 2009 09:54 by ericqu | 1 Comments Filed under: Architecture, Security Token Service, Cloud computing

• Application Architecture Guide 2.0

  One of the first results delivered from pattern & practices was the Application Architecture Guide, and if I remember correctly that was back in 2002 or 2003. That's a long time ago considering the speed in which .NET Framework and related technologies Read More... Posted den 12 januari 2009 20:50 by ericqu | 0 Comments Filed under: Design, Architecture, .NET 3.0, PAG, .NET 3.5

• EAI Is Not SOA

  EAI is an acronym for Enterprise Application Integration, which is something that we have created to solve the fact that we for many years have created IT systems that are isolated islands, most often not supporting business process, but rather functions Read More... Posted den 30 november 2008 17:13 by ericqu | 0 Comments Filed under: Architecture

• Greate Overview of Cloud Options

  Scott Watermasysk has a great post comparing the available cloud options, which is a must read if you are interested in cloud computing. Read More... Posted den 26 november 2008 11:27 by ericqu | 0 Comments Filed under: Architecture, Cloud computing

• PDC08 Reflections

  So PDC is over for this time, but PDC 2009 is already announced, so we might not need to wait three years to the next. In this post I will try to summaries a great week. Windows Azure I think this announment was expected, but I must say that the first Read More... Posted den 3 november 2008 09:00 by ericqu | 0 Comments Filed under: Architecture, Security Token Service, PDC2008, .NET 4.0, Cloud computing

• WCF Security Guide (Beta)

  pattern & practices are working on a new guide, called "Improving Web Services Security"k which is now available as a beta on codeplex . I haven't read it yet, but by just browsing throught the index and some of the initial chapters I can Read More... Posted den 8 juni 2008 20:14 by ericqu | 0 Comments Filed under: Design, Architecture, .NET 3.0, PAG, .NET 3.5

• Open Source STS for Information Cards

  Dominick Baier blogs about his, Barry Dorrans and David Christiansen SharpSTS for Information Cards (Cardspace). Read More... Posted den 22 mars 2008 11:23 by ericqu | 0 Comments Filed under: Architecture, .NET 3.5, Security Token Service

• Why Security Token Service?

  A Security Token Service (STS) is a web service that issues security tokens. A security token can be used for encrypting and signing messages, and it can be used to carry information about a user (claims). One common security token in a windows environment Read More... Posted den 21 november 2007 15:45 by ericqu | 0 Comments Filed under: Design, Architecture, Security Token Service

• Two SOA-related Announcements from Microsoft

  Yesterday Christian Weyer (thinktecture) wrote about two interesting SOA-related announcements from Microsoft. Both was totally new for me. The first is Microsoft Managed Services Engine (MSE) that "enables service virtualization through a Service Repository" Read More... Posted den 31 oktober 2007 09:02 by ericqu | 1 Comments Filed under: Design, Architecture, PAG

• WS-Eventing

  When creating services in SOA it's very common need, for one service to publish events of different kinds so that other services can react on them. This is called Event Driven Architecture (EDA) and one good blog that I use to follow in the space of SOA Read More... Posted den 22 oktober 2007 12:10 by ericqu | 0 Comments Filed under: Design, Architecture, .NET 3.0