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(networking, protocol)
A proprietary local area network protocol developed by Apple Computer, Inc. for communication between Apple products (e.g. Macintosh) and other computers. This protocol is independent of the network layer on which it runs. Current implementations exist for Localtalk, a 235 kilobyte per second local area network and Ethertalk, a 10 megabyte per second local area network.


Apple's original local area network architecture for its Macintosh line. Introduced in 1985, AppleTalk supported Apple's proprietary LocalTalk access method as well as Ethernet and Token Ring. The AppleTalk network manager and the LocalTalk access method were built into all Macintoshes and LaserWriters. Support for AppleTalk was made available for PCs, VAXs and Unix workstations with products from Apple and third parties. A routable protocol patterned after the OSI model, Appletalk eventually gave way to TCP/IP. See AFP and TCP/IP.
References in periodicals archive ?
A VAX-based, AppleTalk Filing Protocol-compliant file server will be included as part of Digital's Macintosh integration offering.
Print services will allow users from both environments to access PostScript printers on both AppleTalk and DECnet/OSI networks as well as print queuing and other services available on VAX/VMS.
Network management functionality that allows for management from both AppleTalk and DECnet networks will be provided.
AppleTalk, Apple's network system, is noted for its "plug-and-play" nature and for a variety of powerful network services integrated into the intuitive, graphical Macintosh user interface.
AppleTalk protocols can also be used with physical transmission facilities other than Apple's own LocalTalk products, for instance with Ethernet or over telephone lines.
Ethernet LANs are therefore more expensive than AppleTalk networks, costing from $500 to $1,000 per connection.
Computers on the Ethernet, including Mac IIs with Ethernet boards, can be shared by the Macintoshes on all the connected networks, as can AppleTalk resources located anywhere on the LAN.

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