Shuttleworth: Introducing the Fan

Mark Shuttleworth announces "the Fan", a new mechanism for directing communications between containers. "We recognised that container networking is unusual, and quite unlike true software-defined networking, in that the number of containers you want on each host is probably roughly the same. You want to run a couple hundred containers on each VM. You also don’t (in the docker case) want to live migrate them around, you just kill them and start them again elsewhere. Essentially, what you need is an address multiplier – anywhere you have one interface, it would be handy to have 250 of them instead." See this page for details on how it works.

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