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CHAPTER AppleTalk an ArcNet Networks

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Presentation on theme: "CHAPTER AppleTalk an ArcNet Networks"— Presentation transcript:

1 CHAPTER AppleTalk an ArcNet Networks

2 Chapter Objectives Discuss two other types of LANs that are not in the mainstream of networking Provide a basic understanding of networking Apple computers Familiarize oneself with Apple networking terms Describe the functional features of ArcNet

3 Chapter Modules An Overview of Apple Networks
Apple Network Implementations ArcNet

4 An Overview of Apple Networks
MODULE An Overview of Apple Networks © N. Ganesan, All rights reserved.

5 Module Objectives Define AppleTalk AppleTalk communication process
Terms used in Apple networking

6 AppleTalk Defined Introduced by Apple for Macintosh connectivity
Built-in Networking NIC built-into Macintosh hardware Apple OS has built-in networking features Supports other computers as well

7 AppleTalk Communication
Uses CSMA/CA Collision Avoidance is the main difference from CSMA/CD Basic operation A workstation chooses an address from a list Checks for availability If available, assigns and uses the address for communication

8 Apple Network Terminology
AppleTalk LocalTalk AppleShare EtherTalk TokenTalk

9 AppleTalk Refers to the Apple network architecture
Overall reference to Apple networking Variations in the implementation exist

10 END OF MODULE

11 Apple Network Implementations
MODULE Apple Network Implementations © N. Ganesan, All rights reserved.

12 Module Objectives Define LocalTalk
Present a network configured based on LocalTalk Define AppleShare and show an example of AppleShare implementation Explain EtherTalk and TokenTalk and discuss their respective implementation requirements

13 LocalTalk Refers to the process of Apple Networking in terms of its components LocalTalk components Cables and cable extenders Connector modules NIC hardware is built-into Macintosh hardware

14 A Sample LocalTalk Implementation
Computer Computer Connector Module 8-pin Plug 8-pin plug. Plugs into built-in socket. Printer

15 AppleShare File server on the AppleTalk network
A print server is also available for functioning with the file server

16 AppleShare Implementation
Zone 3 Zone 1 Zone 2 Server Server Server

17 EtherTalk Designed to facilitate AppleShare connectivity over Ethernet
IEEE compliance enforced Enables AppleShare protcols to be carried over Ethernet cabling

18 EtherTalk Implementation Requirements
EtherTalk NB card EtherTalk (AppleTalk Phase 2 compatible) software Cables, Connectors etc. As applicable to Ethernet networks

19 TokenTalk Designed to facilitate AppleShare connectivity over Token Ring IEEE 802.5compliance enforced Enables AppleShare protcols to be carried over Token Ring cabling

20 TokenTalk Implementation Requirements
TokenTalk NB card TokenTalk (AppleTalk Phase 2 compatible) software Cables, Connectors etc. As applicable to Token Ring networks

21 END OF MODULE

22 © N. Ganesan, All rights reserved.
MODULE ArcNet © N. Ganesan, All rights reserved.

23 Module Objectives Define ArcNet and indicate its topology
Discuss the access method and speed Show an ArcNet implementation structure and its functioning Discuss the implementation rules

24 ArcNet Defined A simple and inexpensive network developed by Datapoint Corporation in 1977 Uses a token-passing access method over a star-bus topology

25 Topology Logical Bus Physical Star

26 Access Method and Speed
Baseband access Token rotation Combination of the Ethernet and Token Ring access mechanisms Loose compliance with IEEE 802.4 Speed 2.5 Mbps, 20 M bps (ArcNet Plus)

27 ArcNet Implementation
Server Client Hub Client Client

28 Token Rotation Server 2 Client 1 3 Hub Client 4 Client
Note: Token rotation can be in the order as well.

29 Rules Pertaining to Cable Length
2000’ coaxial cable, star topology 1000’ coaxial cable, bus topology 800’ for twisted pair

30 Other Implementation Rules
Maximum number of computers in a segment Depends on the cable Minimum length between computers Multiple segment network is not supported Segments cannot be linked with ease

31 Cables Used Coaxial 93 Ohm Twisted-pair Optical fiber

32 END OF MODULE END OF CHAPTER

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