Chapter 13 Metropolitan Area Networks

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Chapter 13Metropolitan Area Networks

• IEEE 802.6
• DQDB (Distributed Queues, Dual Bus)
• SMDS (Switched Megabit Data Services)

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Figure 13-1
DQDB Buses and Nodes
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DQDB Data Transmission
Figure 13-2
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Queues
Figure 13-3
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Figure 13-4
Distributed Queues
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Figure 13-5
Reservation Token
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DQDB Rings
Figure 13-6
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DQDB Rings
Figure 13-6-continued
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DQDB Layers
Figure 13-7
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Connecting LANs using T-Lines
Figure 13-8
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Figure 13-9
Switched Multimegabit Data Services
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Figure 13-10
Use of DQDB, Single LAN
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Figure 13-11
Use of DQDB, Multiple LANs
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