What is the difference between SDN and SD WAN?

Related questions

1. Does SD Wan replace VPN?
2. What is SD WAN used for?
3. What is MPLS Internet connection?
4. What is MPLS router?
5. Does Mpls use the Internet?
6. Does Mpls work without Internet?
7. What is MPLS in Cisco router?
8. What is difference between VPN and MPLS?

Tags

1. #virtualized
2. #application
3. #while
4. #customer
5. #routing
6. #vendor
7. #virtualization
8. #provides
9. #appliance
10. #within
11. #whereas
12. #network
13. #programmable
14. #differences
15. #closed
16. #understanding
17. #function
18. #system
19. #enabled
20. #programming
21. #handled