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ARCNET

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ALSO CALLED: Attached Resource Computer Network
DEFINITION: ARCNET is a widely-installed local area network (LAN) technology that uses a token-bus scheme for managing line sharing among the workstations and other devices connected on the LAN. The LAN server continuously circulates empty message frames on a bus (a line in which every message goes through every device on the line and a device uses only those with its address). When a device wants to send a  … 
Definition continues below.
ARCNETWhite Papers (View All Report Types)
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What Enterprises Should Do About IPv6 in 2011
sponsored by Cisco Systems, Inc.
WHITE PAPER: The purpose of this white paper is to provide enterprises with guidance, based on a three- to five-year outlook, on how IPv6 should be included in their network design, planning, and operations starting today. The intended audience is enterprise network administrators.
Posted: 26 Jan 2011 | Published: 26 Jan 2011

Cisco Systems, Inc.

Wireless LANs Standards: Where Are We Now?
sponsored by Burton Group
WHITE PAPER: Not all standards are created equal. Some are technically elegant but achieve little market adoption. Others are broadly deployed.
Posted: 18 Jul 2008 | Published: 13 Nov 2006

Burton Group
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ARCNET DEFINITION (continued): … ARCNET is a widely-installed local area network (LAN) technology that uses a token-bus scheme for managing line sharing among the workstations and other devices connected on the LAN. The LAN server continuously circulates empty message frames on a bus (a line in which every message goes through every device on the line and a device uses only those with its address). When a device wants to send a message, it inserts a "token" (this can be as simple as setting a token bit to 1) in an empty frame in which it also inserts the message. When the destination device or LAN server reads the message, it resets the token to 0 so that the frame can be reused by any other device. The scheme is very efficient when traffic increases since all devices are afforded the same opportunity to use the shared network.ARCNET can use coaxial cable or fiber optic lines. ARCNET is one of four major LAN technologies, which also include Ethernet, token ring and FDDI.
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