Determining a maximal set of dependent software updates valid for installation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 28, 2009
Grant Date -
Jun 16, 2005
app pub date -
May 1, 2004
filing date -
Dec 16, 2003
priority date (Note) -
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Abstract
Described is a system and method by which a collection of software packages for installing (e.g., on an embedded computing device) are reviewed for their dependent relations, whereby it is possible to choose a maximal set of install possibilities to allow for maximal version updates for any given package in the fewest update steps possible, while honoring package dependency constraints. An update validation process organizes and validates update packages that have been downloaded to a device, and builds a graph for each group. The graph data including paths between updates are processed to validate the updates and to determine a minimal and optimal set of packages that can be applied to the existing image on the device to produce the desired update, with the least amount of weight (cost) when more than one path can be used to get to the same version.
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