InfoQ Homepage Architecture & Design Content on InfoQ
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IPv4 Addresses Running Out; Where is IPv6?
This week, the Number Resource Organisation, the official representative of the five Regional Internet Registries and who oversees the allocation of IP addresses, announced that less than 10 percent of IPv4 addresses remain unallocated. If it's not addressed in the near future, the ramifications could be serious for the world wide web.
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The HTML 5 sandbox Attribute Improves iFrame Security
The Web Hypertext Application Technology Working Group (WHATWG) is working jointly with W3C on developing the HTML 5 standard, which has been at "Last Call" at WHATWG for the last 3 months. During this time one feature which has changed more significantly is the sandbox attribute of the iframe element. sandbox can be used to isolate untrusted web page content from performing certain operations.
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What Is More Important: Run-time or Design-time SOA Governance?
The importance of SOA governance still remains the question of heated debate. The new spin on this is introduced by merging SOA with cloud computing. Several recent posts discuss this issue stressing the importance of governance, but shifting its focus from design-time to run-time
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Scala 2.8 Beta 1 Released
The long-awaited beta for the new Scala version 2.8 has finally been released. It includes many new features, like for example a redesigned collections library, named and default arguments, and a much improved Eclipse IDE.
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Continuous Deployment, In Practice
Continuous deployment has gained a recent buzz in the Lean-slanted "eliminate work-in-progess" movement. But while many may find this an intriguing and logically worthwhile objective, many less can visualize how this might actually be achieved. Ash Maurya helps to fill this gap by describing his experience with making it happen at his company.
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Code Access Security Is No Longer Used in .NET 4 Beta 2
Starting with .NET Framework 1.0 Microsoft introduced Code Access Security (CAS), an instrument for assigning and controlling managed code's capabilities. .NET Framework 4.0 Beta 2 deprecates CAS, turning it off by default, and introduces Security Transparency Level 2.
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Support For Mercurial At CodePlex
Sara Ford, Program Manager at CodePlex, announced on Friday that CodePlex has added support for Mercurial, a Distributed Version Control System (DVCS) similar to Git. Currently this feature is only available for new projects, but CodePlex advice current project owners to contact CodePlex Support if they want to switch from Team Foundation Server to Mercurial.
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Three Weeks Left to Submit Proposals to Agile 2010
The Agile 2010 conference is taking place in Nashville this year and is gearing up and ready to go. This year the submission process is different, with a cap on the number of submissions and a shorter time window. The last day for submitting proposals for next year's conference is Friday, February 19.
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Dynamic Language Roundup: Python's GIL Gets Overhauled but not Removed, Squeak Comes to Android
The Unladen Swallow project that aims to speed up Python has proposed to be merged into mainstream Python. One of Unladen Swallow's goals was to remove the GIL; a new implementation of Python's GIL by Antoine Pitrou will be fairer and less intrusive on multicore CPUs. Also: Squeak Smalltalk has been ported to Android.
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ConcurrentDictionary, .NET 4.0’s New Thread-Safe Hashtable
The ConcurrentDictionary is a cornerstone in .NET 4.0’s greatly increased emphasis on parallel and concurrent programming. But while vastly superior to what we have seen in the past, it isn’t a panacea and developers need to study its semantics carefully.
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Visual Studio/SQL Server Reporting Services Continue to be Incompatible
Despite years of complaining from developers and the mockery of vendors such as IBM, Microsoft is continuing its policy of shipping components of Visual Studio that are incompatible with the current version SQL Server Reporting Services.
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YouTube announces HTML5 demo, but not for FireFox 3.6
YouTube announces an HTML5 video beta, which allows playback without resorting to using a Flash plugin. Videos are only available in the H.264 format, which leads to greater performance on some hardware devices, but leaves out the new FireFox 3.6 which only supports the Ogg video format.
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Brussels approves $7.4bn Oracle-Sun deal, Oracle to Outline Strategy Next Week
The EU has now approved Oracle's takeover of Sun Microsystems. Oracle will be outlining their strategy for Sun via a webcast on January 27th, the company has announced.
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Lean + Real Options = Reduced Complexity and Risk
Real Options, a decision-making process based on Financial Option mathematics, was mentioned by Kent Beck in his 1999 "white book," Extreme Progamming Explained. More recently, Agilists have been exploring how Real Options intersects with Agile. Now Chris Matts and Olav Maassen specifically address the Lean Software community, proposing that application of Real Options improves Lean Development.
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Windows Domain to Amazon EC2 Single Sign-On Access Solutions
David Chappell, the Principal of Chappell & Associates, US, has written a whitepaper proposing several solutions for Single Sign-on (SSO) access to applications deployed on Amazon EC2 from a Windows domain. InfoQ explored these solutions to understand what the benefits and tradeoffs each one presented.