With the introduction of SD-WAN, I'm trying to think about how this is going to impact traditional WAN engineering in the mid (5 years) to long (10+ years) term. Why would orgs use OSPF or iBGP if they can achieve layer 7 route optimization and path selection through SD-WAN? Is there still going to be a use case for configuring IP SLA to manipulate your routing table? Will internal routing protocols cease to exist? There's a whole slew of technologies that seem like they could just be killed off like policy routes, traffic shaping and policing, ect.
I know right now the use case for SD-WAN is leveraging DSL or non-business-grade circuits for VPN overlays, but couldn't the same technology be applied to 10GE backhauls or private lines?
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