4

.

:

  • .
  • .

, large-scale hub-and-spoke . hub-and-spoke .

Hub-and-spoke

, , : . ( ) -, A B, , C N, . , - , , Quality of Service. , .

, , , , . , , . point-to-multipoint ( , Frame Relay) -. point-to-multipoint, - A B , (, Ethernet). spoke - - point-to-point. . , , - . .

- (SD-WAN) . DMVPN, Dynamic Multipoint Virtual Private Network (DMVPN) Cisco, , . , , .

SD-WAN - over-the-top. SDWAN :

  • , .
  • (, , ) .
  • IP- (IPsec), (TLS) .
  • , , , , QoS over-the-top .

SD-WAN, :

  • SD-WAN " ". , SD-WAN , - ( backhaul).
  • SD-WAN .
  • SD-WAN , , , , -.

SD-WAN , . , "" - ( , - , Ethernet) " " , , , ( ), .


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