Web Development

The Multi-Principal OS Construction of the GazelleWeb Browser

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Executive Summary

Original web browsers were applications designed to view static web content. As web sites evolved into dynamic web applications that compose content from multiple 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, the authors 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.

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