InfoQ Homepage Architecture Content on InfoQ
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Ideal Architecture is not always about Ideal Technology or Techniques
The ideal architecture is not always the one based on choices that technically would be the best. It should indeed take into account requirements of different stakeholders, which may limit the scope of choice. Phillip Calçado argues that the development team counts among these stakeholders and that constraints resulting from development environment cannot be ignored by the architect.
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Interview and Book Excerpt: Model Based Software Testing and Analysis with C#
Recently published, Model Based Software Testing and Analyis with C#, by Cambridge University Press. Infoq was able to speak with all four authors about their personal views on model based testing and analysis: Jonathan Jacky, Margus Veanes, Colin Campbell and Wolfram Schulte.
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Can Architects Stop Financial Ruin and Market Meltdowns?
The purported fraud by Jerome Kerviel at Société Générale may bring down a major financial institution and may have caused markets to tumble worldwide. Attention has turned to systems intended to prevent fraud and other illegal activities. What role can software architects play in detecting and avoiding fraud and other suspicious behavior?
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Can DDD be Adequately Implemented Without DI and AOP?
A recent thread on Domain Driven Design (DDD) user group discussed the role of Dependency Injection (DI) and Aspect Oriented Programming (AOP) in DDD implementation. InfoQ spoke with Eric Evans and Ramnivas Laddad about these design concepts and the role of Annotations and orchestrated business services in DDD.
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Continuous Integration And Version Control for Databases
After asserting that one must, as a rule, always version their database work, Scott Allen detailed an approach to making the best of versioning databases. Allen presented a comprehensive, practical approach to creating a baseline, using change scripts to manage schematic revisions, controlling programmatic database objects, and handling branching and merging.
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How to Develop New Activities for the One Laptop Per Child Project?
The One Laptop Per Child project has starting shipping its first generation of XO laptops. OLPC "is not a laptop project, it is an education project", explains Nicholas Negroponte, director of the project. A full Sugar based development environment is available for developers to contribute new activities to the project. Sugar supports collaborative activities when XOs are meshed together.
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Communicating Intent through Idiom and Paradigm Selection
What about using idioms and programming conventions as signals to achieve more readability and expressiveness? This is what Reg Braithwaite advocates for, suggesting that syntax or even paradigm choices can be a means to communicate the intent.
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Review Board - Online Code Review Tool
Recently there has been a resurgence in interest in code reviews. InfoQ looks at Review Board, an open source application that helps facilitate the code review process, that has been gathering momentum in the open source community.
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OSS, SOA and Web 2.0 in the e-Commerce sector
People have thought of establishing a relationship between SOA and Web 2.0 for quite some time yet these two cultures are generally failing to cross-pollinate. InfoQ spoke with Marc Osofsky and Dave Gynn from Optaros, a consulting company which is delivering solutions using Open Source, SOA and Web 2.0. We discussed enterprise-readyness, component selection and rapid delivery methodology.
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IntelliJ IDEA's Dependency Structure Matrix Tool Visualizes Architecture
JetBrains includes a Dependency Structure Matrix (DSM) tool in its recently released version 7. DSM tools generate a representation of a codebase's dependencies in an appealing martix visualization. This article looks at how DSM can improve project structure and how IDEA's DSM tool compares with alternatives.
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Database Virtualization - Is it worth it?
Hosting server applications inside VM images is all the rage today. The ability to quickly move a virtual server from one machine to another as needs change is a big win for IT departments. But can this be applied to heavyweight systems like SQL Server? Conor Cunningham says no.
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Article: Process Component Models: The Next Generation In Workflow?
Tom Baeyens wrote a summary of the state of Workflow & BPM standards and tools. After a detailed look at BPEL, BPMN, and other technologies such as choreography, XPDL, BPDM, jPDL, Tom takes the stance that it is time to abandon the idea that non-technical business analysts can draw production-ready software in diagrams and separate the analysis process models and executable process models.
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Scalability: Dynamic and Static Programming Languages
In the wake of the demise of Chandler personal information management project, a discussion has occurred on TSS about the scalability potential of dynamic languages. Ted Neward attempted to go beyond language quarrel in order to provide some structured insights on this issue.
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How Does Language Impact Framework Design?
Do certain languages, like Ruby, lend themselves to frameworks that are more productive than those of other languages, such as Java?
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Kent Beck on Implementation Patterns
What does good code look like? In this interview, Kent Beck talks about his new book, Implementation Patterns, that deals with this question. Kent explains why Compose Method is so important, but also talks about the relationship between implementation patterns and XP, the history of software patterns and why he believes that Cockburn's Shu-Ha-Ri description of learning is naïve and simplistic.