Virtual Private Networks (VPNs) based on the Internet Protocol (IP) really took off in recent years. As the rest of the IT industry struggled to recover from the economic downturn, IP VPNs continued to show robust growth rates. This growth followed the rise of broadband as companies realized the significant savings on their network costs by encrypting data traffic across the internet. As IP technologies become more reliable, organizations are increasingly looking at making further savings by web-enabling their IP applications. This is where the case for Secure Socket Layer (SSL), an alternative browser-based VPN security protocol, can be made. Respected analysts like The Tolly Group are predicting that simplifying VPNs by using SSL will trigger a fundamental change in their use. According to their surveys, 75 percent of network managers believe enterprises will choose SSL VPNs when workers access the network externally. They expect this change to occur within two years.
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