InfoQ Homepage Architecture Content on InfoQ
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Performance Tuning Spring Applications
In a new white paper from SpringSource, Adrian Colyer explains the Spring from a new perspective - the runtime environment - and provides tips for performance tuning.
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CrossFrame - Safe, Cross Domain Widget Coordination for Mashups
Julien Lecomte has announced the availability of CrossFrame - a JavaScript library for cross domain communication between widgets hosted on different hosts. The technique, while inherently dangerous, solves an outstanding problem facing Mashup developers.
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Article: Key Takeaways and lessons learned from QCon SF
Bloggers were quite active at InfoQ's QCon San Francisco conference which took place Nov 7-9. Bloggers wrote about 32 of the 60 sessions at the event, including the keynotes, session on Linked-In, eBay, Orbitz architectures, and more. Read this article to learn the most valuable insights the attendees took the time to blog about, as well as many other aspects about QCon.
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Why do Java developers hate BPM?
John Raynolds asked recently the question: "Why do java developers hate BPM?". His controversial post generated a lot of comments that speak more generally about the growing divide between modeling environments and development environments, and the role of the business in traditional development cycles.
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InfoQ Minibook: Composite Software Construction
In a new InfoQ minibook, InfoQ SOA Editor and SOA Enterprise Architect Jean-Jacques Dubray describes the state of the art and emerging new approaches in building "Composite Software", solutions created by assembling existing services. The book is available as an InfoQ Minibook, i.e. free of charge in PDF format for InfoQ users. A printed version is available too.
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The RDBMS is not enough.
In a world of services, RDBMS are not the solution to every problem. Document Oriented Distributed Databases try to solve this and add a new way of storing documents. CouchDB (written in Erlang) is in its alpha stage and evolving on a regular basis. InfoQ caught up with Anthony Eden who is implementing the same concept in Ruby with RDDB.
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Surprising criticism from parting Microsoft development lead
Jay Bazuzi, once Development Lead for the C# Editor, is leaving Microsoft, and he wrote some surprisingly harsh parting words for his friends before he left; things like “OO isn’t a fad” and that “It’s OK to use someone else’s code”.
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Martin Fowler unveils details of his upcoming DSL book
Martin Fowler unveiled some details about his upcoming book on DSLs through his Work In Progress gateway. In the draft of its introductory part, Fowler gives an example of a Domain Specific Language case and provides some new insights on DSLs, their implementation and use.
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Article: Iterative, Automated and Continuous Performance
A new InfoQ article looks at evaluating performance in an iterative and continuous manner.
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Reducing Server Load and Network Traffic in REST/Ajax Architectures
A short article on developerWorks shows us how to reduce network traffic and server processing for Ajax/REST architectures, but the real jewel here is the way they effectively use the HTTP 304 status code instead of recommending more complicated solutions.
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Anatomy of Service Delivery Platforms
In this article, Fred Chong and his colleagues detail the architecture of modern Service Delivery Platforms and how they could be leveraged by Solution Vendors. They review their capabilities from security & identity, to metering & billing, on-boarding of application tenants & provisioning... and develop guiding principles for the evolution of this new type of infrastructure software.
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Unified Rules Engine and Processes
Mark Proctor, the JBoss Drools Project Lead, and Kris Verlaenen the Ruleflow lead present their vision for unifying rules and processes to provide a truly unified modeling environment with rules and processes as first class citizens, tightly integrated modeling GUIs, single unified engine and apis for compilation/building, deployment and runtime execution.
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Presentations from the last Microsoft SOA & BP 2007 conference available
Microsoft has made available all the presentations from its last SOA and Business Process conference.
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Volta: Architecture Factoring and Refactoring
Erik Meijer says "As the world is moving more and more towards the software as services model, we have to come up with practical solutions to build distributed systems that are approachable for normal programmers". Volta's Architecture Refactoring was presented at the SAF this week.
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Designing for flexibility and robustness: Asynchronous message model, OOP and Functional Programming
According to Pragmatic Programmers it is preferable in OOP to avoid design based on returning values. Michael Feathers argues that it may also be better to use the asynchronous message model that might be instrumental for improving adaptability and robustness. This maps well to the Erlang model though opposing some of the principles of pure functional programming.