ExpressRoute is a service that enables you to create private connections between Azure data centers and infrastructure that’s on your premises or in a co-location environment.
A bit like having a dedicated point to point VPN, ExpressRoute connections do not go over the public Internet, and offer more reliability, faster speeds, lower latencies and higher security than typical connections over the Internet.
There are two ways to use the ExpressRoute service to establish a private connection to Azure – via an Exchange Provider or via a Network Service Provider. The associated charges are different for these two cases so pay attention.
Its an alternative to Point to Site, or Site to Site without requiring any additional fire-walling infrastructure and without these needing to be in differ...
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