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John Hurliman (Intel)

Virtual Worlds Infrastructure (VWI) at Intel

Approaching Virtual World Interoperability

By John Hurliman (Intel) (2 posts) on February 18, 2009 at 5:02 pm
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Several new developments are brewing in the metaverse. The Massive Multiplayer Online Experiences IETF group has started to form, co-chaired by Linden Lab and IBM. Linden Lab has started publishing standards drafts for virtual world interoperability. OpenSim has started exploring linking grids together with HyperGrid. The topic of virtual world interoperability is at the forefront of many people's minds. Due in part to the success of the web model (everyone can run their own website), individuals and businesses are waiting for the opportunity to run their own virtual world simulation, content development or storage business, spatial search engines, or maybe a mashup service that twitters virtual world activity. But before this can happen, the barriers need to be broken down between the walled garden virtual worlds of today and allow virtual concepts (identity, persistence, content) to move between worlds. How we get there is the topic of a heated debate.

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Category: Open Source, Social Media & Virtual Worlds, Software Engineering, Visual Computing

Timing locks in C#

By John Hurliman (Intel) (2 posts) on December 2, 2008 at 12:28 pm
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A recent post to the opensim-dev mailing list highlighted a common problem in debugging complex C# code. Somewhere, a lock is being held for a long period of time and holding up other threads, bringing the entire system to a halt while the task completes. Debugging with Mono and gdb has the useful mono_locks_dump, but [...]

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Category: Open Source, Software Engineering