PlanetLab

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PlanetLab was a group of computers available as a testbed for computer networking and distributed systems research. It was established in 2002 by Prof. Larry L. Peterson and Prof. David Culler,^[1] and as of June 2010, it was composed of 1090 nodes at 507 sites worldwide.^{[citation needed]} Each research project had a "slice", or virtual machine access to a subset of the nodes.

Accounts were limited to persons affiliated with corporations and universities that hosted PlanetLab nodes. However, a number of free, public services have been deployed on PlanetLab, including CoDeeN, the Coral Content Distribution Network, and Open DHT. Open DHT was taken down on 1 July 2009.^[2]

PlanetLab was officially shut down in May 2020^[3] but continues in Europe.^[4]