They demo'd live migration while streaming 1080p video, with no outage. It was described as having the network cable unplugged for a tenth of a second. There's

They demo'd live migration while streaming 1080p video, with no outage. It was described as having the network cable unplugged for a tenth of a second. There's a story from a partner who was testing it, who at the end of the day said "when are you going to live migrate us?", only to be told that Google had moved them six times that day and they hadn't even noticed.