What is SD-WAN? say GOODBYE to MPLS, DMVPN, iWAN... w/ SDN, Cisco and Viptela

What is SD-WAN? say GOODBYE to MPLS, DMVPN, iWAN... w/ SDN, Cisco and Viptela Software-Defined WAN (Wide Area Network). What is it? How is it different from DMVPN and iWAN and are we still using MPLS? SD-WAN is changing the game and it took me a bit to WRAP MY HEAD AROUND IT because it is STRANGE!!

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