The global market for Deep Packet Inspection (DPI) is projected to reach US$3.7 Billion by 2025, driven by exploding Internet traffic, rising security threats, growing sophistication of cyber-attacks and increasing bandwidth management needs. The unprecedented spurt in global IP traffic is the result of rapidly expanding internet user base supported by growing literacy rates, increasing disposable incomes & high proportion of digitally savvy young people; and rapid penetration of cloud computing based business models. Increased data volume amplifies security threats, while growing ubiquity of cloud services magnifies the need for protection against web exploits, data exfiltration and malware/ botnets. The need to identify traffic on a network is becoming more important than ever to troubleshoot poor network performance, latency issues and high application response times; to manage unidentified network traffic; to handle unexpected traffic and data volume surges; and classify network traffic by their importance i.e. business, social and prioritize accordingly. Also, a growing number of governments worldwide are tracking and monitoring their citizens and their communications for anti-terrorism spying, policing and e-governance purposes. This trend is resulting in governments worldwide intercepting, monitoring and decrypting information generated, transmitted, received and stored by computers in a country. Public sector use of DPI for national level surveillance and censorship is poised to gain significantly in the coming years. DPI provides added security by examining packet content as against conventional filtering that checks just packet headers.

Few of the trends influencing growth in the market include rise of industry 4.0 and the growing use of DPI to ensure security of industrial automation and control systems; growing prominence of firewalls with DPI and the resulting convergence of traditional firewall technology with deep packet inspection; rising importance of packet inspection enabled signature based network intrusion and detection systems (NIDS); expanding corporate budgets for intrusion detection and prevention and the ensuing increase in demand for deep packet inspection. Integrated DPI is gaining popularity as it functions as a single platform that combines the DPI function with companion applications to streamline and simplify network operations, enabling operators to gain more control over network resources. Europe, Asia and Latin America represent large markets worldwide with a combined share of 60.8% of the market. The dominance of Asia-Pacific excluding China is driven by robust proliferation of internet and a parallel increase in traffic and bandwidth requirements; efforts of developing Asian countries to become digitally adept as digital technologies help these countries to leapfrog development hurdles and challenges; and growing investments in technologies that help effective utilization of digital networks. China ranks as the fastest growing market with a CAGR of 13.4% over the analysis period supported by the strong trend towards digital policing and surveillance by the Chinese government. In addition to digital protectionism, the country is also reforming its data protection and privacy laws to safeguard cyberspace sovereignty.