Hulu, the streaming video service run by a consortium of content companies, is using Amazon Web Services to provide the computing power for its Live TV service, the companies announced Monday.

The Live TV service, launched in May, lets subscribers watch over 50 channels through the internet, and Hulu wanted to make sure it had enough capacity to handle demand for the service. So it decided to turn to AWS, which not only runs its own Amazon Prime video service but has handled Netflix’s services for years.

AWS and Hulu announced the news on stage at the AWS Summit in New York this morning.

The move is Hulu’s first into the cloud, according to Hulu’s Rafael Soltanovich, as reported by ZDNet. Live video is an almost ideal application for cloud services, given the unpredictability of demand for TV shows and the difficulty faced in trying to build your own infrastructure to handle those spikes in capacity. Turner Broadcasting and Discovery Communications are also using AWS for video streaming.

Hulu told FierceCable back in May when it launched the new Live TV service that it had run into a few problems around launch, but “they are very small, contained and generally not our fault, like internet and infrastructure outages.” It’s not clear how many people have been using Hulu Live TV since it launched in May, but Nielsen said in July that it would start tracking subscribers.

The AWS partnership appeared to influence Hulu’s strategy in other ways: while it launched the Live TV service on five streaming video platforms, Amazon’s Fire TV wasn’t one of them. That changed a few weeks ago, and is another sign of Amazon’s increased willingness to partner with competitors, such as its deal with Apple for Prime Video on Apple TV.

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