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Networking / capability
WAN and SD-WAN
Two contracts do not always mean two routes. Both circuits are traced back to the exchange, and the failover test is witnessed, timed and recorded.
A second circuit is not resilience if both of them enter your building through the same duct.
Two ISP contracts look like two routes on paper. On the ground they often share a duct, an exchange, or even the same carrier underneath two different brand names. Nobody finds out until the day both links go down together.
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