Cody Taylor

V!NCENT writes with an excerpt from a new publication by Microsoft: “As web sites evolved into dynamic web applications composing content from various web sites, browsers have become multi-principal operating environments with resources shared among mutually distrusting web site principals. Nevertheless, no existing browsers, including new architectures like IE 8, Google Chrome, and OP, have a multi-principal operating system construction that gives a browser-based OS the exclusive control to manage the protection of all system resources among web site principals. In this paper, we introduce Gazelle, a secure web browser constructed as a multi-principal OS. Gazelle’s Browser Kernel is an operating system that exclusively manages resource protection and sharing across web site principals.” Here’s the full research paper (PDF).

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MojoKid writes “Earlier this month, Ultra-Wideband mainstay TZero closed its doors, leaving the once hopeful format in limbo. One of the few UWB supporters still hanging around is Staccato Communications, and not surprisingly, its CEO is stepping up to address the overall situation and assure the general public that the wireless format it supports is far from dead. In a long-winded note from the desk of Marty Colombatto, he frankly states that ‘to conclude that “UWB is dead” is a gross misinterpretation of recent events and ignores the lessons of relevant history.’ Potentially the most interesting tidbit is that UWB is supposedly getting a ‘makeover’ this year. Marty even goes so far as to say that new developments in 2009 are sure to breathe new life into the technology.'” Update 2/22 at 17:41 by SS: Reader coldmist pointed out a related Ars Technica piece looking into the state of wireless HD video, which contains some interesting information about UWB.

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