Virtual LAN, Class of Service, and Multilayer Networks

The learning goals for this chapter are as follows:

  • Understand the structure and inherent advantages of a Virtual LAN (VLAN)
  • Learn the switching and frame tagging methods employed in VLANs
  • Explore the different scheduling techniques used to handle traffic based upon its class of service (CoS)
  • Understand the structure and operation of the Asynchronous Transfer Mode (ATM)
  • Learn the mechanisms used to transport IP traffic over ATM
  • Understand the multiprotocol label switching (MPLS) and multilayer network (MLN) architectures

8.1 The Virtual LAN (VLAN-802.11q)

Two critical issues that are encountered in the development of a switched Ethernet are the mechanisms by which the performance and ...

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