Aliso Viejo-based Gaikai has been acquired by Sony, in a deal worth $380M, Sony announced early Monday morning. According to Sony, the deal, which was signed June 30th, help SCE establish a cloud service and expand its network business. Gaikai was founded in 2008, and had raised around $45M in funding. The firm's backers included Benchmark Capital, Intel Capital, Limelight Networks, New Enterprise Associates, Qualcomm Ventures, Rustic Canyon Partners, and TriplePoint Capital. Gaikai is a provider of game streaming technology, which allows users to run full videogames on their PCs without having to download large software packages.