InfoQ Homepage Architecture & Design Content on InfoQ
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Article: Java Grid, why do we need it?
Investment banks have often set trends or offer the rest of us a glimpse into the future of our IT infrastructure. Today banks are investing heavily into grid technologies as they continue in their battle for profits. In this article, John Davies shares his experiences on technologies used in finance and why Grid technologies are becoming a new mainstream for high volume, low latency systems.
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Oracle Makes $6.7 Billion Bid For BEA
Today Oracle confirmed that it has made a $6.7 billion dollar bid to buy BEA, according to various news media. The offer is for $17 a share, a 25% increase over BEA's previous $13 a share price range. Shares in BEA were trading at an avg of $13 before the announcement and are now trading at nearly $18 (as of 10:20am ET).
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Catching up with Esper: Event Stream Processing Framework
Esper is an event stream processing (ESP) and event correlation engine (CEP) that triggers actions when event conditions occurs among event streams - which can be thought of as a database turned upside down where statements are registered and data streams flow through. InfoQ caught up with Esper founders on recent project status, including BEA's use of Esper, and recent benchmarks.
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Article: Establishing a Service Governance Organization
Service Governance is an essential aspect of a successful Service Oriented Architecture. Its establishment has to be planned and tested out early in the initial phases of a SOA initiative. In this article, Jean-Jacques Dubray shows what it takes to create such a structure efficiently.
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What Makes a Tool Agile?
Individuals and interactions over processes and tools is the very first of the values of the Agile Manifesto. Tools, however, seem to be a big part of development on most Agile teams. When does a tool help and when does it hinder (Agile) software development?
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Religion driven industry? Buzzwords and checklists vs. thinking and inspection
James O. Coplien has recently argued that today’s industry is based on buzzwords and checklists. The use of some techniques and methodologies, TDD for instance, has become “a religious issue”. This prevents from inspecting possible tradeoffs and focusing on finding solutions that would be the most appropriate and the most cost-effective for a given project.
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Client side load balancing of Ajax applications
Traditional approaches to load balancing have focused on server side solutions. Lei Zhu recently proposed an approach where the load balancing logic for a clustered Ajax application resides in the client tier, and describes how an application built on Amazon's S3 and EC2 services has successfully employed the technique.
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Java Modularity Proposal: iJAM
A new proposal, iJAM, has circulated on the JSR-294 and modules-dev mailing lists suggesting some changes to the logic supplied in the strawman proposal for JSR-294 'superpackages' and receiving some positive feedback.
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Next-Generation Functional Testing
What should the next generation of functional testing tools offer? The Agile Alliance is holding a workshop to envision the next-generation of functional testing tools, from October 11th to 12th. What do you think needs the most attention?
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Java Collections, Skip Lists, and Google
While sometimes taken for granted the Java Collections API plays a large role in day to day Java software development. Several additions including a skip list were added in Java 6. Google has also been working an a companion Google Collections Library project.
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MindTouch Dream: REST SDK & Lightweight Standalone Server
MindTouch offers a programming library and standalone server for developing and publishing RESTful web services. Dream "Denim" 1.4.1 has been released last week.
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Sustainable IT Achitecture Working Group Formed
SustainableITArchitecture.com is a new working group open to end-users, infrastructure vendors and system integrators. This working group focuses on defining an approach to re-engineering information systems based on a Service Oriented Architecture and an open and public enterprise methodology.
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FxCop Rule for Multi-Targeting
Multi-targeting in Visual Studio 2008 leads to a new set of problems. With .NET 3.5 bringing new features to the core assemblies, care must be taken when targeting .NET 2.0. Otherwise, an application can be compiled successfully but fail to run due to missing methods. One way to handle this is to use Krzysztof Cwalina's Multitargeting rule for FxCop.
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DynamicJasper: Runtime generation of Jasper Reports
DynamicJasper, an open-source API which provides runtime generation of Jasper Reports, recently released version 1.3. InfoQ took the opportunity to learn more about this product, and what it provides for users.
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Ruby and the hype cycle
A recent blog post on a failed Rails project caused a big debate about the viability of Ruby on Rails. A closer look at the post paints a different picture, though. We take a look at the reactions in the Ruby community, and compare this discussion with the upheaval about Twitter earlier this year.