Norwegian software firm Opera has acquired Silicon Valley based Skyfire Labs, a specialist in mobile video optimisation and cloud. The firm is known for its Rocket Optimizer software which allows mobile operators to use cloud computing to optimise video and multimedia on crowded cell towers, in 3G and 4G LTE networks.

The acquisition price includes $50m cash upfront and performance based earn-out payments over three years, including $26m in cash held that can bring the total deal size to $155m.