InfoQ Homepage Architecture Content on InfoQ
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Neo4j - an Embedded, Network Database
Neo4j is an embedded network model database for Java, Ruby and Python applications. It is capable of handling billions of nodes/relationships/properties on single machine hardware, supporting ACID transactions, durable persistence, concurrency control, transaction recovery, and everything else you’d expect from an enterprise-strength database.
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Velocity: Microsoft's Distributed In-Memory Cache
Distributed in-memory caches have been rather popular over the last few years in everything from mainstream Java applications to the fringe languages like Erlang. Continuing its rather frantic efforts to catch up with technologies predominately found in the open source world, Microsoft has introduced its own distributed cache.
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Is Google Gears Positioned to Add Features to the Web?
After one year, some argue that "Gears" seems to be shifting its focus from enabling off-line Web applications to accelerating the development of new features to the Web, sometimes competing with HTML 5 and using an unfair competitive advantage: a browser in the browser. What do you think?
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SOA Governance Revisited
Despite increased adoption, many of the SOA projects are still failing Things are often getting so bad that in a recent SOA was called "Dead on Arrival". One of the ways to improve this situation is proper SOA governance.
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Principles and Guidelines for an Optimized Use of BigTable
Based on a number of conversations around Google App Engine, Todd Hoff outlined on his blog a set of principles that are instrumental for optimizing the use of distributed and highly scalable storage systems, such as BigTable, and defining its perimeter. The conceptual approach he advocates for is radically different from the one used in relational database world.
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Cloud Tools bring Java EE on Amazon EC2
Chris Richardson the author of "POJOs in Action", has released Cloud Tools, a set of tools for deploying and testing Java EE applications on Amazon's Elastic Computing Cloud (EC2). It's a Groovy framework that provides an API for launching EC2 instances; configuring MySQL, Tomcat servers; and deploying more web applications. In addition, it can also run JMeter and collect performance metrics.
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Concurrency Presentation Scheduled for the PDC Pre-Conference Sessions
Microsoft's The Parallel Computing Platform team will be presenting on Concurrent, Multi-core Programming for Windows and .NET during the PDC pre-conference Sessions. These sessions are day-long, in-depth presentations on specific topics. Held the Sunday before the main conference, a separate registration is required.
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WfXML-R: REST based process integration
WfXML-R is a lightweight approach to BPM that utilizes several Web 2.0 standards and protocols including Atom/AtomPub, GData, OpenSearch and OpenID/OAuth.
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Defining Cloud Computing
The term "cloud computing" has shown up everywhere from the Web 2.0 conference to the enterprise architecture whiteboard sessions in big companies to the laptops of startup developers. The big question being asked now is "what is cloud computing?"
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Oracle's Cameron Purdy Looks at 10 Patterns for Scaling Out
Oracle's Cameron Purdy recently presented on the topic of scalability at JavaOne 2008. The talk did not focus on specific Java libraries as do many talks at JavaOne. Instead general principles of architecture and design were reviewed from a pragmatic common sense angle.
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Article: Scalability Best Practices Lessons from eBay
eBay Distinguished Architect at eBay Randy Shoup explains eBay key scalability practices of partitioning, horizontal scale, avoiding XA, asynchronicity, and virtualization. eBay has hundreds of millions of users, over a billion page views a day, and petabytes of data in their systems.
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Interview: Orbitz.com Architecture with Brian Zimmer
In this interview filmed during QCon 2007, Brian Zimmer talks about the architectural challenges he has faced working on a a large web application as senior architect.
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Presentation: Intentional Software
Business users doing programming? Charles Simonyi and Henk Kolk presents how Intentional Software offers a radical new software approach that separates business knowledge from software engineering knowledge, which means that business experts can be more innovative and responsive to the changes in the domain.
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Architecture of a $7 Billion Loss: Causes and Remedies
PWC just released a report detailing the mechanisms that enabled a trader to mask a $75 B position. He was able to manipulate the state of a system by entering fake "technical" transactions used for simulations even though their amount was unusual, his role was not authorized to do so, and they were not later compensated. PWC also provided their recommendations to fix the systems and processes.
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Windows Communication Foundation: Application Deployment Scenarios
Microsoft has just published an excellent overview of WCF capabilities and deployment strategies for 5 most common SOA scenarios including Enterprise Web services, Web 2.0 services, intranet applications, queued messaging and Workflow services.