IT vendors and telecos are heaviest users of open source cloud software.
One thing that’s clear is that interest in OpenStack continues to grow rapidly. The project is made up of 20 million lines of code; more than 585 companies have supported OpenStack in some way, and the OpenStack Foundation counts almost 40,000 people actively engaged in the community.
The April 2016 version of the OpenStack Foundation’s survey (read the full report here) queried 1,603 members from 1,111 organizations who oversee 405 OpenStack clouds.
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