What exactly is software-defined WAN? How will that change how we build and manage the WAN? They were all looking at redesigning their branch offices. The consensus is that the model that we've been using to build out branch office networks is dead.
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The race to move applications and services to the cloud, and the availability of high performance broadband is fueling the greatest networking revolution in a generation. Enterprises have long struggled with connecting users to applications, and until recently there were limited options to address these needs. Since SaaS services are available anywhere, users started to take the higher application performance when working from home for granted, and they began asking their IT department a very important question:. A user at home might have a 50Mbps Internet link, shared with a couple family members or roommates, with a direct route to the Internet. When that same user comes into the office they are left competing for just a few megabits of bandwidth, traditionally between 2Mbps and 10Mbps, and have to compete for bandwidth with multiple 10s of other users accessing applications, surfing the Internet, running remote backups and more.
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Featured Story. In its top 10 predictions for , IDC mentioned the WAN was reaching a breaking point due to the pressures of cloud and security requirements. All the while, the WAN architecture remained pretty much unchanged. This is the WAN that was designed to connect a fixed location to a data center, which no longer is the requirement. The first response to the pressures of cloud applications and bandwidth was hybrid WAN. This link was usually encrypted as it was often an internet link.