Remote Connectivity Overview
Remote Site Connectivity Introduction
The voice, video, and data commonly sent between remote offices and central sites often demand low latency and easy provisioning, all while maintaining a low cost. Traditional WAN solutions (for example, leased lines, Frame Relay, and ATM) typically fail to simultaneously meet all these requirements. Fortunately, a variety of VPN technologies fit nicely into such a design.
This section categorizes various VPN technologies. Then, the remainder of this chapter examines these technologies in a bit more detail.
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