Method of providing effective priority access in a dual bus system

摘要: A method provides effective priority access in a system having dual unidirectional and oppositely oriented buses. The is intended to enhance the proposed standard, DQDB Metropolitan Area Network. An effectiveness factor K introduced of priority. In one embodiment lower CD counters are incremented by for each higher request. second also increments RQ counters. third slots only highest request received given slot. fourth variation threshold counter controlling use factor.