A.Find out more about how the logical ring is maintained by the IEEE 802.4 protocol. B. Investigate the history of the IEEE 802.6 standardization process that led to the selection of DQDB as the MAN...

protocol.

B.
Investigate the history of the IEEE 802.6 standardization process that led to

the selection of DQDB as the MAN standard.

C.
Give an intuitive explanation of why bandwidth balancing is needed as an

extra mechanism on length DQDB networks.