According to ABI Research, operators are investing significantly in equipment to deliver video efficiently to iPads and other streaming devices, including PCs, mobile phones and connected TVs. VOD hardware, historically used primarily for pay-per-view content, is being repurposed to serve N-Screen or TV Everywhere platforms, while operators invest in CDNs to ensure quality of delivery and efficient network utilization.The worldwide market for VOD equipment is forecast to grow at more than 3% annually, from $493 million in 2010 to $591 million in 2016, while the CDN server market is expected to grow at 4.3% from $600 million to $774 million. The remainder of the total market is comprised of video servers and ad servers.