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REDWOOD CITY, Calif. – August 5, 2015 –According to a recent report by Dell’Oro Group, the trusted source for information about the telecommunications, networks, and data center IT industries, revenue projections for the Network Security Appliance (NSA) market reveal a more than 25 percent increase during the forecast period, with the market expanding from just over $9 billion in 2015, to approximately $11.3 billion in 2019.

“IT spending in the data center has begun to shift from server virtualization projects to Cloud migration and services, creating new security challenges and ultimately new opportunities. To this end, we expect the NSA market to continue to move towards a software subscription model, in which security applications can be layered to provide flexible and scalable protection in both the data center and in the Cloud,” said Casey Quillin, Director of Data Center Appliance Market Research at Dell’Oro Group. “Based on their subscription level, customers will select security services that enhance, or compliment, built-in features on compatible physical appliances. We expect this to yield easier purchasing as well as investment protection, by providing a pay-as-you-grow option that allows customers to add security services without the having to upgrade hardware. In addition to the subscription-based model, we have seen a marked growth in software-as-a-service (SaaS) offerings — both the number of vendors providing the service and the products required to deliver it have increased,” Quillin explained.


The Dell’Oro Group Data Center Appliance 5-Year Forecast Report includes manufacturers’ revenue, unit shipments, and average selling price projections for NSA, Application Delivery Controller and WAN Optimization Appliance markets. The report also includes NSA segmentation based on threat type – Content Security, Firewall – Enterprise, Firewall – SMB, IDS and IPS, and VPN and SSL. To purchase this report, please contact Matt Dear, call +1.650.622.9400 x233 or email


Dell’Oro Group is a market research firm that specializes in strategic competitive analysis in the telecommunications, networks, and data center IT markets.  Our firm provides in-depth quantitative data and qualitative analysis to facilitate critical, fact-based business decisions.  For more information, contact Dell’Oro Group at +1.650.622.9400 or visit