MANAGING FLOW CONTROL BUFFER

摘要

A count of data segments is maintained. The count includes data segments in a queue and data segments in transit between a data source and the queue. A flow of data segments from the data source is controlled, based on a value of the count.

主权项

1. A network node for a packet data network, comprising:
a plurality of communication network interfaces configured to receive data packets from the packet data network and to transmit data packets on the packet data network; a traffic management system coupled to the plurality of communication network interfaces, the traffic management system having a plurality of data paths, each data path comprising: a respective first buffer; a respective second buffer in communication with a respective processor and storing a respective queue; at least one respective communication line in communication with the respective first buffer; and a respective traffic management element configured:
to maintain a respective count of data segments, the respective count including data segments in the respective queue and data segments in transit between a respective one of the plurality of communication network interfaces and the respective queue; andto control a flow of data segments from the respective one of the plurality of communication network interfaces based on a value of the respective count; anda switch fabric in communication with the second buffers of the traffic management system, the switch fabric being configured to selectively couple a data packets between data paths of the traffic management system.