Infonetics Research, an international market research and consulting firm, specializing in the telecommunications sector released the latest Service Provider Deep Packet Inspection Products report, estimating the market for Deep Packet Inspection (DPI) solutions to grow to a staggering $2 billion in 2018. Last year alone, this segment saw a growth of 23%, delivering revenues of $728 million. The forecast which is part of Infonetics' latest , tracks deep packet inspection (DPI) software solutions and related hardware deployed in wireless and fixed-line networks. Other major excerpts from the report include the list of key DPI solution vendors who led the market for last year, which names Sandvine, Allot, Cisco and Procera, among others. The report also covered other market highlights including the recent legal developments in the US which sees net neutrality as less of an issue, though it remains a barrier to DPI investment in other markets, especially the European Union, which prohibits preferential treatment and bars traffic blocking and throttling. According to Infonetics, virtualization holds the potential to significantly change DPI deployment strategies over time, enabling DPI technology to be deployed more cost-effectively throughout the network.