A communications network access method that uses a continuously repeating frame the token that is transmitted onto the network by the controlling computer. Token ring was created by ibm to compete with what became known as the dix standard of ethernet decintelxerox and to improve upon their previous token bus technology. Each station knows the address of the station to its left and right. In a token bus lan, the physical media is a bus or a tree and a logical ring is created using coaxial cable. Apesar do seu enorme sucesso durante os anos 80, a tecnologia token ring acabou por ser preterida em favor da ethernet. Up until that time, ibm had produced solutions that started from the. Technology in action chapter 12 flashcards quizlet. The token is passed from one user to other in a sequence clockwise or anticlockwise. An earlier local area network lan access method developed by ibm. S bharadwaj reddy july 15, 2016 september 21, 2016.