The young Californian company IDS
announced (pdf, 375 Kb) an early appearance in the port of San Francisco, and after it in other major ports around the world ship-data centers. Outwardly indistinguishable from ordinary dry cargo ships (and by origin they are), vessels will be loaded with modern powerful servers.

Placing servers on ships offers a number of important advantages. Firstly, when powered from an ordinary electrical network during normal times, during power outages, the servers will be powered by a ship diesel engine, provided with fuel reserves in the tanks for a month of autonomous consumption, which allows IDS to give frankly causing equipment stress-resistance to its redundancy. Secondly, for cooling powerful computers, a modified ship water cooling system will be used, using sea water as a heat carrier. This will achieve energy savings of up to 40% compared with the usual "land" server.
In addition, the presence of large areas allows you to place offices, call-centers, technical premises and practically everything that is required for a full cycle of an average Internet project near the servers. The first vessel, which IDS promises to launch in April, will be the headquarters of the company.
In total, IDS plans today include similar processing of fifty ships, of which about 30 will be located outside the United States. Converted old vessels are being reequipped, which instead of being cut into scrap are subjected to necessary repairs.
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via
Ars Technica