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Network Hardware
Local Area Networks
Metropolitan Area Networks
Wide Area Networks
Wireless Networks
Home Networks
Internetworks
Broadcast Networks
Types of transmission technologyBroadcast links
Point-to-point links
Broadcast Networks (2)
Classification of interconnected processors by scale.Local Area Networks
Two broadcast networks(a) Bus(b) RingMetropolitan Area Networks
A metropolitan area network based on cable TV.Wide Area Networks
Relation between hosts on LANs and the subnet.Wide Area Networks (2)
A stream of packets from sender to receiver.Wireless Networks
Categories of wireless networks:System interconnection
Wireless LANs
Wireless WANs
Wireless Networks (2)
(a) Bluetooth configuration(b) Wireless LANWireless Networks (3)
(a) Individual mobile computers(b) A flying LANHome Network Categories
Computers (desktop PC, PDA, shared peripherals
Entertainment (TV, DVD, VCR, camera, stereo, MP3)
Telecomm (telephone, cell phone, intercom, fax)
Appliances (microwave, fridge, clock, furnace, airco)
Telemetry (utility meter, burglar alarm, babycam).
Figure 2-4
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Figure 2-5
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Mesh Topology
Figure 2-6
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Star Topology
Figure 2-7
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Tree Topology
Figure 2-8
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Bus Topology
Figure 2-9
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Ring Topology
Figure 2-10
WCB/McGraw-Hill
The McGraw-Hill Companies, Inc., 1998
Hybrid Topology
Hub
BroadcastMore collisionConnect same networking deviceSwitch
Switch is intelligent deviceLearning the addressForwardingWork on mac addressRouter
Connect different networksRouting