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Comprehensive Guide to Network Hardware and Topologies

Explore different types of networks, hardware equipment, and topologies used for communication, including local area networks, wide area networks, and wireless networks. Learn about broadcast networks, transmission technologies, and interconnected processors. Understand the classification of processors and scales. Discover mesh, star, bus, ring, tree, and hybrid topologies. Delve into modes of communication like simplex, half-duplex, and full-duplex. Gain insights into TCP/IP Protocol Suite, repeaters, bridges, routers, hubs, switches, and routers. Enhance your knowledge of networking fundamentals.

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Comprehensive Guide to Network Hardware and Topologies

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  1. Network Hardware • Local Area Networks • Metropolitan Area Networks • Wide Area Networks • Wireless Networks • Home Networks • Internetworks

  2. Broadcast Networks • Types of transmission technology • Broadcast links • Point-to-point links

  3. Broadcast Networks (2) • Classification of interconnected processors by scale.

  4. Local Area Networks • Two broadcast networks • (a) Bus • (b) Ring

  5. Metropolitan Area Networks • A metropolitan area network based on cable TV.

  6. Wide Area Networks • Relation between hosts on LANs and the subnet.

  7. Wide Area Networks (2) • A stream of packets from sender to receiver.

  8. Wireless Networks • Categories of wireless networks: • System interconnection • Wireless LANs • Wireless WANs

  9. Wireless Networks (2) • (a) Bluetooth configuration • (b) Wireless LAN

  10. Wireless Networks (3) • (a) Individual mobile computers • (b) A flying LAN

  11. Home 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).

  12. Figure 2-4 The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  13. Figure 2-5 Mesh Topology The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  14. Figure 2-6 Star Topology The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  15. Figure 2-7 Tree Topology The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  16. Figure 2-8 Bus Topology The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  17. Figure 2-9 Ring Topology The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  18. Figure 2-10 Hybrid Topology The McGraw-Hill Companies, Inc., 1998 WCB/McGraw-Hill

  19. Modes of Communication Simplex Half-Duplex Full-Duplex

  20. Topics Discussed in the Section • Repeaters • Bridges • Routers TCP/IP Protocol Suite

  21. Figure 3.40Connecting devices TCP/IP Protocol Suite

  22. Figure 3.41Repeater or hub TCP/IP Protocol Suite

  23. Note A repeater forwards every bit; it has no filtering capability. TCP/IP Protocol Suite

  24. Note A bridge has a table used in filtering decisions. TCP/IP Protocol Suite

  25. Note A bridge does not change the physical (MAC) addresses in a frame. TCP/IP Protocol Suite

  26. Figure 3.42Bridge TCP/IP Protocol Suite

  27. M M M M Figure 3.43Learning bridge TCP/IP Protocol Suite

  28. Note A router is a three-layer (physical, data link, and network) device. TCP/IP Protocol Suite

  29. Note A repeater or a bridge connects segments of a LAN. A router connects independent LANs or WANs to create an internetwork (internet). TCP/IP Protocol Suite

  30. Figure 3.44Routing example TCP/IP Protocol Suite

  31. Note A router changes the physical addresses in a packet. TCP/IP Protocol Suite

  32. Hub • Broadcast • More collision • Connect same networking device

  33. Switch • Switch is intelligent device • Learning the address • Forwarding • Work on mac address

  34. Router • Connect different networks • Routing

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