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HandWiki. Token Ring. Encyclopedia. Available online: https://encyclopedia.pub/entry/28673 (accessed on 22 September 2026).
HandWiki. Token Ring. Encyclopedia. Available at: https://encyclopedia.pub/entry/28673. Accessed September 22, 2026.
HandWiki. "Token Ring" Encyclopedia, https://encyclopedia.pub/entry/28673 (accessed September 22, 2026).
HandWiki. (2022, October 10). Token Ring. In Encyclopedia. https://encyclopedia.pub/entry/28673
HandWiki. "Token Ring." Encyclopedia. Web. 10 October, 2022.
Token Ring
Edit

Token Ring is a computer networking technology used to build local area networks. It uses a special three-byte frame called a token that travels around a logical ring of workstations or servers. This token passing is a channel access method providing fair access for all stations, and eliminating the collisions of contention-based access methods. There were several other earlier implementations of token-passing networks. Token Ring was introduced by IBM in 1984, and standardized in 1989 as IEEE 802.5. It was a successful technology, particularly in corporate environments, but was gradually eclipsed by the later versions of Ethernet.

token passing thumbtoken ethernet

References

  1. "IEEE honors Zurich LAN pioneers", Zurich, Switzerland, 14 April 2003 http://www.zurich.ibm.com/news/03/ieee.html
  2. "Early Token Ring Work at MIT", J. Noel Chiappa, ieeexplore.ieee.org http://ieeexplore.ieee.org/ielx7/85/6828543/06828547.pdf?arnumber=6828547
  3. "A History of Computer Communications 1968-1988", James Pelkey http://www.historyofcomputercommunications.info/Book/12/12.22_Proteon.html
  4. "Local Area Networks", InfoWorld 24 Mar 1986 https://books.google.co.nz/books?id=lS8EAAAAMBAJ&pg=PA27&lpg=PA27&dq=October+15+1985+token&source=bl&ots=AecvpbwJ2U&sig=Nt30kwVhLaei5A0o9cp9rust3Ds&hl=en&sa=X&ved=0CCcQ6AEwA2oVChMIxuD43ZywyAIVAR2UCh3FIgDD#v=onepage&q=October%2015%201985%20token&f=false
  5. IEEE Standards: P802.5 Working Group Area. Ieee802.org. Retrieved on 2011-10-30. http://www.ieee802.org/5/
  6. "IEEE 802.3 Local Area Network considerations", IBM document GG22-9422-0
  7. David R. Boggs; Jeffrey C. Mogul; Christopher A. Kent (1988). "Measured capacity of an Ethernet: myths and reality". ACM SIGCOMM Computer Communication Review 25 (1): 123–136. doi:10.1145/205447.205460. http://www.hpl.hp.com/techreports/Compaq-DEC/WRL-88-4.pdf. 
  8. "ETHERNET VS. TOKEN RING IN THE LOCAL AREA NETWORKING BUSINESS", URS VON BURG AND MARTIN KENNY, Industry and Innovation, Volume 10, Number 4, 351–375, December 2003 http://hcd.ucdavis.edu/faculty/webpages/kenney/articles_files/Sponsors,%20Communities,%20and%20Standards_%20Ethernet%20vs.%20Token%20Ring%20in%20the%20Local%20Area%20Networking%20Business.pdf
  9. Jonathan Follows (2000). "Token Ring Solutions". http://www.redbooks.ibm.com/redpapers/pdfs/redp0031.pdf. "IBM does not view high-speed Token Ring as a requirement for the majority of its customers, and therefore the decision has been made not to provide 100 Mbps high-speed Token Ring uplinks on its products..." 
  10. IEEE 802.5 activities. Ieee802.org. Retrieved on 2011-10-30. http://www.ieee802.org/5/www8025org/activity.html
  11. Louis Ohland. "8228 Multistation Access Unit". http://ps-2.kev009.com/ohlandl/NIC/8228.html#DirectCable. Retrieved 2016-08-03. 
  12. "What is the difference between an Ethernet hub and switch?". http://duxcw.com/faq/network/hubsw.htm. Retrieved 10 May 2016. 
  13. "A Passive Ethernet Hub". http://www.zen22142.zen.co.uk/Circuits/Interface/pethhub.htm. Retrieved 2016-08-03. 
  14. "networking - Duplicate MAC address on the same LAN possible?". Server Fault. 2013-01-03. http://serverfault.com/questions/462178/duplicate-mac-address-on-the-same-lan-possible. Retrieved 2016-08-03. 
  15. "Does anyone actually still USE Token Ring?", John Sheesley, April 2, 2008, TechRepublic https://www.techrepublic.com/blog/classics-rock/does-anyone-actually-still-use-token-ring/
  16. Bux, W. (1989). "Token-ring local-area networks and their performance". Proceedings of the IEEE 77 (2): 238. doi:10.1109/5.18625.  https://dx.doi.org/10.1109%2F5.18625
  17. "Why buy from IBM?". ftp://ps-2.kev009.com/incoming/timc/PDFS/IBM/Networking/IBM_C_TR.pdf. Retrieved 2016-08-03. 
  18. Louis Ohland. "8226". http://ps-2.kev009.com/ohlandl/NIC/8226.html. Retrieved 2016-08-03. 
  19. "IBM 8230 Controlled access Unit". ftp://public.dhe.ibm.com/networking/nswww/neteam/998pg/c823003.pdf. Retrieved 2016-08-03. 
  20. "Local Area Networks - Token Ring". Scottsnetworkclass.com. http://www.scottsnetworkclass.com/Ether_Token/Token_3.html. Retrieved 2013-06-15. 
  21. "Network World". IDG Network World Inc. 1991-06-03. p. 56. https://books.google.com/?id=wRIEAAAAMBAJ&pg=PA56&lpg=PA56&dq=token+ring+ethernet+bridge#v=onepage&q=token%20ring%20ethernet%20bridge&f=false. Retrieved 2016-08-03. 
  22. "SG244446". http://ps-2.kev009.com/basil.holloway/ALL%20PDF/sg244446.pdf. Retrieved 2016-08-03. 
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