How to securly join two networks together over the Internet?

Posted by Pyrolistical on Server Fault See other posts from Server Fault or by Pyrolistical
Published on 2009-05-28T23:56:35Z Indexed on 2010/05/19 22:10 UTC
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Filed under:

networking

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routing

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internet

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secure

Let's say there are two locations. Both locations have their own fast Internet connections.

How do you join these two networks together such that every computer can see every other computer?

Do you need a domain controller, or can you do this with workgroups?

EDIT

The obvious solution seems to be VPN, but can VPN be implemented on the routers only? Can the computers on the network be configuration free?

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