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What is SD-WAN? Is it only from Cisco?

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Last Modified: 2020-05-13
What is SD-WAN? What’s the difference with MPLS? Is it better? More secured? Ease of use & management? Advantages? Cost?
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Commented:
SD-WAN is an acronym for software-defined networking in a wide area network (WAN) and does not replace MPLS

More detailed information can be found here - https://en.wikipedia.org/wiki/SD-WAN
Mohammad RummanehSr.Network & Security Engineer
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Commented:
Dear Paul ,

Please check below youtube link it is very useful

https://www.youtube.com/watch?v=OF997v3H2i4 
https://www.youtube.com/watch?v=cos4ujj80iI 

also check this link :
https://www.zenlayer.com/blog/what-is-sd-wan/ 



nociSoftware Engineer
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Distinguished Expert 2019

Commented:
within (large) companies datafarms the management of switches became a huge task.
So they split the switching into tow planes: a switching plane (classic switches) and the controle plane.
In classic switches each switch had their own control plane (deciding on what to forward where)...
in SD-LAN there is a central server that decides on the most economic path withing the switching framework and programs all switch according to that.

SD-WAN is the same just one the WAN scale.(MPLS is about routing packets L3) one layer above switching (L2).
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