InfoQ Homepage Infrastructure Content on InfoQ
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BPEL4People Virtual Roundtable Interview
In another one of our semi-regular Virtual Roundtables, InfoQ took the opportunity to talk to some of the main authors behind the BPEL4People and WS-HumanTask specifications and find out the driving forces behind it and what we can expect next.
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Mule 2.0 Released
Mule, a lightweight and highly scalable ESB, has just release Mule 2.0. New features in the 2.0 release include improved configuration using XML Schema, a closer Spring integration, and signification architectural improvements.
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Amazon upgrades EC2 with Persistent Storage
Amazon’s Elastic Computer Cloud (EC2), which delivers Hardware as a Service (HaaS), is adding persistent storage to its list of features. Amazon CTO Werner Vogels write that "Persistent storage for Amazon EC2 will be offered in the form of storage volumes which you can mount into your EC2 instance as a raw block storage device."
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StrokeDB, Just Another Distributed Database? Not Really.
As Distributed Databases get more and more interest, implementations are flourishing. CouchDB showed the way and is now incubated as an Apache project. RDDB was one of the first Ruby implementation of a Document-Oriented Distributed Database. We will check how a new database, StrokeDB, differentiates itself in the area with new promising features.
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Combining General Purpose Languages and Domain Specific Languages for Model Driven Engineering
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.
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APIFinder - Your Guide to APIs
Developers today are constantly creating applications that consume services of other web sites. Consuming these services requires figuring out and understanding the sometimes complex Application Programming Interfaces (APIs).
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Code Project Browser for VS 2005/2008
SlickEdit has created an Add-On for Visual Studio that integrates with the popular site, The Code Project.
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Spring Web Flow 2.0.0.RC1 Released; Adds Ajax, JSF, and Security Integration
InfoQ sat down with Keith Donald and Jeremy Grelle of the Spring Web team to discuss the release of Web Flow 2.0.0.RC1, the first production release candidate for the next major release of Web Flow. Web Flow is an extension to Spring MVC for implementing flows in a web application.
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Complaint-Free Iterations
No software project is perfect, nor is the organization in which the project takes place. When your software project goes wrong, do your team members complain, or do they take corrective action? The Complaint Free World project encourages people to take notice of how often they complain, and reduce the frequency of the complaints, aiming for a goal of twenty-one complaint-free days.
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Security for Services and Mashups
Security has become a rising concern in most applications and systems today. Whether you are building small mashups, enterprise applications, or a platform for SOA, there are several issues and approaches that are being discussed. Erica Naone talked about dealing with security in the world of mashups recently while Bob Rhubart and David Garrison from BEA discussed securing the services you deploy.
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Top 10 Mistakes when building Flex Applications
In this post, Adobe’s James Ward teams up with InfoQ.com to bring you another Flex Top 10 (our most recent Flex Top 10). Overall, Flex is a powerful framework that is easy to use, but today let's focus on some of the common mistakes that are made when building Flex applications.
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Article: Spectacular Scalability with Smart Service Contracts
Udi Dahan describes an experience implementing a new order system in which large size message passing was affecting the scalability and even bringing down servers in the system. The article describes how they diagnosed the problem and their solution, by "changing our service contracts and introducing stateful interactions we were able to manage the performance critical state of the system."
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Agile Version Control for Multi-Team Development
Many agree that the minimum set of Agile practices includes disciplined version control. In particular, when several development teams work in the same codebase, to ensure there's a clean, releasable version at the end of every iteration, they need a plan. Henrik Kniberg's proven scheme is a useful guide for teams. This detailed paper includes the entire method and even a cheatsheet.
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Phusion Passenger/mod_rails makes Rails deployment easy
Phusion Passenger/mod_rails makes deployment of Rails apps simple. The Apache configuration is handled by a script and re-deployment is a single 'touch' away. We talked to the creators of Phusion Passenger who also experiment with a modified Ruby Garbage Collector to share memory across address space borders.
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Presentation: Steve Jones on "Driving IT from the Business"
In a presentation recorded at QCon London, Cap Gemini's Steve Jones explains his concept of a business service architecture. Topics covered include how to apply SOA to existing systems, the problems one runs into when SOA is driven by technology, and the structural and organizational impact of business-driven SOA.