InfoQ Homepage Architecture & Design Content on InfoQ
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Vertebra: EngineYard's Next Generation Cloud Computing Platform
At RailsConf 2008, Ezra Zygmuntowicz announced Vertebra, a next generation cloud computing platform that builds on Erlang, Ruby and XMPP. We talked to Ezra to learn about Vertebra, which will soon be open sourced.
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SOA Software Announces SOA Development Governance Product
Good governance of a service-oriented architecture is becoming a core competency. SOA governance is about ensuring and validating that assets and artifacts within the architecture are operating as expected and maintaining a certain level of quality. Newly released Repository Manager from SOA Software provides many features, that are required for successful SOA governance implementation.
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Presentation: Erlang - software for a concurrent world
We get more and more cores in our CPUs, but does our software run linearly faster? In most cases - no. We've hit a trend change when it comes to faster CPUs. We'll get more and more cores, but each core will be slower as the number of cores increase. In his talk, Joe Armstrong introduces Erlang and the ideas of Concurrent Oriented Programming which is one way to solve the problem.
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Presentation by Martin Fowler and Jim Webber: "Does My Bus Look Big in This?"
In this presentation, recorded at QCon London 2008, ThoughtWorks' Chief Scientist Martin Fowler and Global Head of Architecture Jim Webber share their views of the typical corporate ESB, which in their opinion has grown too fat for its own good. Martin and Jim suggest the Web's architecture as a possible and more light-weight alternative, in line with their preference for agile approaches.
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Designing for Spam: A Challenge for the Web?
The increasing activity and hostility of spammers and the sophistication of their spamming tools are a constantly growing concern for the web. The recent spam attack on Craigslist triggered many reactions in the blogosphere seeking to analyze spammers’ techniques and possible remedies and to consider the implications that the spam’s spread may have on architecture.
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Article: An Introduction to BlazeDS
Client/server communication is a key part of today's RIA architectures. In this article James Ward and Shashank Tiwari dive into Adobe's open source BlazeDS messaging server. The article describes the benefits of the AMF data format and how to use BlazeDS with a Java based server side application.
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Object Lifecycle Explorer Released on AlphaWorks
Object Lifecycles (a.k.a State Machines) have been for the most part ignored by developers, architects and business process practitioners alike. A group of researchers from IBM Zurich has just released an Object Lifecycle modeling tool that complements and link with executable Business Process models.
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On the Evolution of the .NET Collections
The collections in the .NET Framework have evolved significantly over the years. Taking advantage of Microsoft's new found openness, we show two versions of a familiar data structure, the hash table, in both .NET and Mono.
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SpringSource's Ben Alex Details Emerging Standards in Application Security
At JavaOne 2008 conference, Ben Alex from SpringSource talked about emerging security requirements in enterprise applications. He discussed the standards like Servlet Security, JAAS, CAPTCHA, Single Sign-On and Federated Identity using OpenID technology. The presentation also included the standards on securing web services (WS-Security), JMS messaging and ESB.
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Google App Engine Load Test Result
The result of the Google Web Toolkit on Google App Engine load test: The load was 10 reqs/sec for an hour, and 35 reqs/sec at peak. The result? No sweat.
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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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Perst 3.0 Embedded Database Released
McObject has released version 3.0 of its open source embedded database targeted at Java and .NET developers.
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Coordination Data Structures: New Classes for .NET Multithreading
The June drop of Parallel Extensions for .NET added a set of classes to make sharing data in a multi-threaded application easier. With ten new classes including new synchronization primitives, futures, and new collection classes, there is only time to touch on each of them briefly.
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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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Appistry Java/C++ Grid Fabric Goes Free for up to 5 Servers
Appistry recently released a free 5 server community edition of their EAF product. InfoQ sat down with VP Sam Charrington to discuss this move and Appistry's overall place in the grid/cloud computing landscape.