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Is There a Symbiosis Between SOA and DDD?

by Boris Lublinsky on  Sep 15, 2008 6

As the complexity of the real-life problems grows, it becomes obvious that in order to solve them, it is often necessary to combine multiple techniques. One example of a good symbiotic relationship is that between Service Oriented Architecture (SOA) and Domain Driven Design (DDD).

Presentation: Martin Fowler and Dan North Talk Over the Yawning Crevasse of Doom

by Abel Avram on  Aug 13, 2008 3

In this presentation filmed during QCon London 2007, Martin Fowler and Dan North talk about the communication gap existing between the developers and the customers or users. Closing this gap is extremely important in order to create successful software.

Article: Domain-Driven Design at the Center of an Evolving Architecture

by Floyd Marinescu on  Jul 29, 2008 14

Domain driven design can be most readily applied to stable domains but it becomes more challenging when the domain itself is in a state of flux and development. This is common in Agile projects, and happens also when the business itself is trying to evolve. This article examines how we used DDD in the context of a two-year programme of work to rethink and rebuild guardian.co.uk.

Article: Beyond SOA, a New Type of Framework for Dynamic Business Applications - Part II

by Jean-Jacques Dubray on  Jul 08, 2008 2

In the second part of their article, Vasile and Michael explore the architecture of Dynamic Business Application as a possible standard architecture for server-side applications. The authors note that in this architecture concepts like SOA play a minor role while components like BPM engines, schedulers, messaging have a definite role.

ADO.NET Entity Framework Taking Some Heat

by Robert Bazinet on  Jun 26, 2008 7

A petition has started by the community to express concerns over Microsoft's upcoming release of the ADO.NET Entity Framework. The petition titled "ADO.NET Entity Framework Vote of No Confidence", aims to raise awareness of design and implementation issues foreseen by experts in the industry.

Article: Domain Driven Design and Development In Practice

by Niclas Nilsson on  Jun 16, 2008 52

Domain-Driven Design is a subject where there currently are very few examples of how to actually do it in practice. In this article, Srini Penchikala gives you guidelines, practices, frameworks and tools that technical leads and architects can use in the effort of implementing a system in a Domain-Driven way.

Object Lifecycle Explorer Released on AlphaWorks

by Jean-Jacques Dubray on  Jun 06, 2008 6

Object Lifecycles (a.k.a State Machines) have been for the most part ignored by developers, architects and business process practitioners alike. A group of researchers from IBM Zurich has just released an Object Lifecycle modeling tool that complements and link with executable Business Process models.

Is ADO.NET Entity Framework Enterprise Ready?

by Jonathan Allen on  May 22, 2008 2

The ADO.NET Entity Framework relies heavily on visual modeling tools. But are these tools really appropriate for large scale development?

Combining General Purpose Languages and Domain Specific Languages for Model Driven Engineering

by Jean-Jacques Dubray on  Apr 21, 2008 1

In his last blog post, Johan den Haan asks one of the key questions of model driven engineering. The article is didactic and explains how ontological and linguistic metamodels can be combined (orthogonally) to simplify code generation while enabling the combination of general purpose languages and domain specific languages concepts. He uses BPEL and BPMN as a supporting example.

TDD/BDD Leading To Incomplete Unit Tests?

by Mike Bria on  Feb 14, 2008 7

Peter Ritchie raised concern about TDD and BDD keeping practitioners from writing good unit tests. He cites an over-reliance on “interaction testing", a core mantra and essence of TDD and BDD, as a driver with tendency to result in incomplete unit testing.

Article: Take care of your domain model

by Niclas Nilsson on  Jan 03, 2008 37

Today, many projects focus on Domain-Driven Design, but it is not always easy. One of the most important things are to separate the domain code from the code that only exists for technical reasons. Mats Helander has written an article where he explains how to manage domain models and teaches design patterns and aspect-oriented programming in the process.

Interview: Charles Simonyi on Intentional Software

by Niclas Nilsson on  Dec 18, 2007

Charles Simonyi, the President of Intentional Software and a recent space traveller presents his views on the future of software development. He talks about how to include domain experts in the development cycle by letting them express their intentions in domain specific languages, about Intentional's view on DSLs and Domain Driven Design and about what it was like to be a space tourist.

InfoQ Presentation: Eric Evans on DDD - Strategic Design

by Niclas Nilsson on  Dec 04, 2007 8

In this talk, Eric Evans introduces two broad principles for strategic design. 'Context mapping' addresses the fact that different groups model differently and 'Core domain' distills a shared vision of the system's core domain and provides a systematic guide to when good enough is good enough versus when to push for excellence.

Naked Objects adds Java 1.5, Injection, Hibernate

by Geoffrey Wiseman on  Nov 14, 2007 6

Naked Objects is an architectural pattern and a framework for developing applications where domain objects takes a central role. Naked Objects recently released version 3.0 with support for Java 1.5, injection, an alternate UI, Hibernate object store, integrated security and contributed actions. InfoQ took the opportunity to speak with Richard Pawson, inventor of the Naked Objects pattern.

InfoQ Presentation: Eric Evans on Domain Driven Design - Putting the Model to Work

by Niclas Nilsson on  Nov 08, 2007 18

Why bother with models? Eric Evans explains that the most critical complexity of most software projects is understanding the business domain itself. In this talk Evans talks about the foundations of Domain-Driven Design and how to make a domain model truly pull its weight and positively transform a project.

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