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MEDIUM ACCESS CONTROL DEVICE AND METHOD FOR OPTICAL PACKET-SWITCHED METRO WDM SLOTTED-RING NETWORKS
MEDIUM ACCESS CONTROL DEVICE AND METHOD FOR OPTICAL PACKET-SWITCHED METRO WDM SLOTTED-RING NETWORKS
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机译:光学分组交换Metro WDM开槽环网络的中接入控制装置和方法
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摘要
A medium access control (MAC) device and method for optical packet-switched metro wavelength division multiplexing (WDM) slotted-ring networks are used for providing quality of service (QoS) guarantees for isochronous traffic. The device includes a MAC processor and a distributed call admission control (CAC) module. The CAC module in each node of an optical packet-switched network is designed in a distributed manner, and flexibly allocates a reserved bandwidth to an isochronous traffic by a mean-rate-reservation method, controls a quota of the isochronous traffic below a quota ratio rH, resolves output contention by recording node locations forming a connection, and establishes a connection for each isochronous traffic. The MAC processor establishes a connection in the reserved bandwidth for each isochronous traffic between the nodes according to control information carried in a control channel, controls uploading, unloading, and erasing of a plurality of data channels, and updates corresponding contents in the control information.
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