Role of Switched Networks

In this article we will discuss Role of Switched Networks, will make brief discussion on Role of Switched Networks, In last article we discuss about Access, Distribution, and Core Layers.

The role of switched networks has evolved dramatically in the last two decades. It was not long ago that flat Layer 2 switched networks were the norm.

Flat Layer 2 switched networks relied on the Ethernet and the widespread use of hub repeaters to propagate LAN traffic throughout an organization. Networks have fundamentally changed to switched LANs in a hierarchical network. A switched LAN allows more flexibility, traffic management, and additional features:

  • Quality of service
  • Additional security
  • Support for wireless networking and connectivity
  • Support for new technologies, such as IP telephony and mobility services
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