One of the most common scenarios facing organizations today is connectivity between sites and locations. Many organizations connect their sites and locations by using VPN tunnels over public networks, such as the Internet.
One problem with existing VPN solutions is that they are not resilient to connection failures or device outages. When any outage occurs, the VPN tunnel is terminated and the VPN tunnel must be reestablished, resulting in momentary connectivity outages.
The Agile VPN feature in Windows Server 2008 R2 allows a VPN to have multiple network paths between points in the VPN tunnel. In the event of a failure, Agile VPN automatically uses another network path to maintain the existing VPN tunnel, with no interruption of connectivity.
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