This started with the need to connect VMs and nodes running in different clouds, a technology commonly referred to as a "service mesh," and now is expanding to connect traditional endpoints such as laptops and mobile phones. The move to hybrid cloud-based infrastructure and the growing remote workforce has finally put mesh networking solutions on the map. Most corporate firewalls and gateway security products include VPN functionality and that was convenient for most companies who only had a few employees working remotely. Until a few years ago the VPN needs of most organizations were perfectly met through a traditional hub-and-spoke architecture. Mesh VPNs are not a new concept, but it has taken a long time for them to mature and expand beyond a niche use. This approach can be less expensive and easier to scale than a traditional VPN. Mesh VPNs use a peer-to-peer architecture where every node or peer in the network can connect directly to any other peer without going through a central concentrator or gateway.
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