The topology of a VPN determines what is connected using the VPN. The basic VPN topologies are the following:
Peer-to-Peer: Connects two hosts. (Also called Point-to-Point VPN.)
Peer-to-Network: Connects a single host to a network. This is the most common VPN topology, regularly used to allow remote workers access to the intranet of the organization. (Also called Point-to-LAN VPN.)
Network-to-Network: Completely connects two subnetworks. This solution is commonly used to connect the local networks of an organization having multiple offices. (Also called LAN-to-LAN VPN.)
In every case, the VPN tunnel is created between two endpoints: the connecting hosts, or the firewall of the connecting network. The IP addresses of the connected networks or hosts can be fix (Fix IP connections) or dynamic (so called Roadwarrior connections). Roadwarrior connections are typically Peer-to-Network connections, where many peers (roadwarrior clients) can access the protected network.
Published on June 04, 2020
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