Google has added 79 patents to the list of patents for which it pledges not to sue any user, distributor or developer of open-source software, unless first attacked.
The new patents cover software used to operate data centers, including middleware, distributed storage and database management, and alarm monitoring, wrote Duane Valz, the company's senior patent counsel in a blog post Thursday.
Google announced in March its Open Patent Non-Assertion (OPN) Pledge to "encourage pro-competitive, defensive uses of patents to support open-source innovation." It added at the time 10 patents to its list of specified patents covered under the pledge.
The first 10 patents were related to MapReduce, a computing model for processing large data sets developed at Google. The company promised in March that more patents in other technologies would be added to the list.
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