Monday 11 April 2016 06.53 EDT Last modified on Tuesday 31 January 2017 10.58 EST. House of Cards star Kevin Spacey has said turning on the news makes him think the political thriller âdoesnât go far enoughâ in reflecting the real-life race for the White House.
For site-to-site virtual private networks (VPNs), the encapsulating protocol is usually IPSec or Generic Routing Encapsulation (GRE). GRE includes information on what type of packet you are encapsulating and information about the connection between the client and server.
There are also various forms of VPNs like DMVPN, SSL VPN and GET VPN. A GRE tunnel can be used for many things, to support multicast, IPv6 or even CLNS which is used for ISIS. A GRE tunnel has no encryption which the VPN tunnel has.