Abstract:In this paper, a large-scale Gbit/s metropolitan area network (MAN) based on hierarchical ring topologies has been investigated. The network is constituted by backbone and local rings, which are connected by bridges. In the network, tra c congestion may occur in bridges due to the mismatch of transmission speed between backbone and local rings. To cope with the issue, a scheme based on a cyclic reservation-based access method is proposed for the medium access control (MAC) protocol of the network. With the sch… Show more
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