Routed-Switched backbone-VLAN

Define a routed backbone, a switched backbone, and the VLAN.  What is the finest practice backbone design of today and why?

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Routed backbone: This is a type of network which moves packets along the backbone based on their network layer address that is, layer three address:

Switched backbone: In this type of network a router is replaced by switch and that router is reconfigured to support the traffic from the WAN

VLAN: In Virtual LAN architecture intelligent and high speed switches and computers are assigned to LAN segments by software rather than hardware.

The best practices backbone design today is VLAN because of its advantages like:

  • Ease of administration
  • Reduction in network traffic
  • Confinement of broadcast domains 
  • Better security and network reliability

 

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