A
SITE-TO-SITE VPN IS A SECURE CONNECTION BETWEEN TWO NETWORKS, SUCH AS A
CORPORATE NETWORK AND A BRANCH OFFICE NETWORK, OR TWO SEPARATE CORPORATE
NETWORKS. IT USES ENCRYPTION TO PROTECT DATA AS IT TRAVELS OVER THE PUBLIC
INTERNET.
TO CREATE A
SITE-TO-SITE VPN, YOU NEED A VPN GATEWAY AT EACH SITE. A VPN GATEWAY IS A
DEVICE THAT ENCRYPTS AND DECRYPTS DATA TRAFFIC. THE TWO VPN GATEWAYS WORK
TOGETHER TO CREATE A SECURE TUNNEL OVER THE PUBLIC INTERNET.
ONCE THE VPN
TUNNEL IS ESTABLISHED, TRAFFIC BETWEEN THE TWO NETWORKS IS ENCRYPTED AND ROUTED
THROUGH THE TUNNEL. THIS MEANS THAT EVEN IF SOMEONE WERE TO INTERCEPT THE
TRAFFIC, THEY WOULD NOT BE ABLE TO READ IT.
SITE-TO-SITE
VPNS ARE OFTEN USED BY BUSINESSES TO CONNECT THEIR DIFFERENT OFFICES TOGETHER,
OR TO ALLOW EMPLOYEES TO ACCESS RESOURCES ON THE CORPORATE NETWORK FROM HOME.
THEY CAN ALSO BE USED TO CONNECT TWO DIFFERENT CORPORATE NETWORKS TOGETHER,
SUCH AS THOSE OF TWO PARTNER COMPANIES.
HERE ARE
SOME OF THE BENEFITS OF USING A SITE-TO-SITE VPN:
SECURITY:
SITE-TO-SITE
VPNS ENCRYPT DATA TRAFFIC, WHICH PROTECTS IT FROM BEING INTERCEPTED AND READ BY
UNAUTHORIZED INDIVIDUALS.
COST
SAVINGS:
SITE-TO-SITE
VPNS CAN HELP BUSINESSES SAVE MONEY ON NETWORK CONNECTIVITY COSTS BY ALLOWING
THEM TO USE THE PUBLIC INTERNET INSTEAD OF PRIVATE MPLS CIRCUITS.
FLEXIBILITY:
SITE-TO-SITE
VPNS CAN BE USED TO CONNECT NETWORKS OF ANY SIZE AND DISTANCE.
RELIABILITY:
SITE-TO-SITE
VPNS ARE HIGHLY RELIABLE AND CAN PROVIDE A CONSISTENT CONNECTION BETWEEN
NETWORKS.
IF YOU
ARE CONSIDERING USING A SITE-TO-SITE VPN, THERE ARE A FEW THINGS YOU NEED TO
KEEP IN MIND:
YOU WILL
NEED A VPN GATEWAY AT EACH SITE.
YOU WILL
NEED TO CONFIGURE THE VPN GATEWAYS TO COMMUNICATE WITH EACH OTHER.
YOU WILL
NEED TO CONFIGURE YOUR NETWORKS TO ROUTE TRAFFIC THROUGH THE VPN TUNNEL.
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