Abstract
A new dynamic bandwidth-allocation (or rate-control) strategy that can be employed for integrating multimedia traffic on a class of high-speed fiber optic local and metropolitan area networks (LANs/MANs) is investigated. This new scheme is adapted from the original work by Limb on load-controlled-scheduling-of-traffic (LOCOST) mechanism, which employs channel feedback for proper distributed control operation. Although the mechanism is quite general for integrating diverse traffic types, the specific focus of this paper is on the integration of packet voice with data. The medium access control is simple, and is fully asynchronous and distributed which make it easy to implement. The necessary control functions are performed locally and independently at each data station based on a single parameter called its packet allowance, while each voice station can transmit a voice packet whenever it can. A gated global queue model is formulated to approximately analyze this system, and simulation results are also included to study the protocol's performance.
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