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    • 5. 发明授权
    • Apparatus and method for queuing data
    • 排队数据的装置和方法
    • US06553035B1
    • 2003-04-22
    • US09338340
    • 1999-06-22
    • Steven J. SchwartzEric J. PelletierEric J. SpadaJeffrey A. Koehler
    • Steven J. SchwartzEric J. PelletierEric J. SpadaJeffrey A. Koehler
    • H04L1228
    • H04L49/3081H04L49/25H04L49/3027H04L49/508H04L2012/5679H04L2012/5683
    • An apparatus and method for queuing data such as data being transferred across or within a switching node on a network are described. The queuing apparatus includes a plurality of inputs for receiving data to be transferred to at least one output, each input being adapted to receive data at a data rate associated with the input. Each input transfers data to a relatively short queue which stores the data received at the input. Each output is associated with as many short queues as their inputs capable of transferring data to the output. A long queue associated with the output receives data from each of the short queues associated with the output and forwards the data to the output. A control circuit associated with the output transfers data stored in all of the short queues associated with the output into the long queue. This transfer takes place at a data rate that is higher than the data rate associated with the input such that the short queues are prevented from becoming full. By implementing the queuing system in many short queues instead of fewer long queues, the overall system is more efficient and inexpensive to implement.
    • 描述了用于对数据进行排队的装置和方法,例如在网络上的交换节点之间或之内传输的数据。 排队装置包括用于接收要传送到至少一个输出的数据的多个输入,每个输入适于以与输入相关联的数据速率接收数据。 每个输入将数据传输到存储在输入端接收的数据的相对较短的队列。 每个输出与能够将数据传输到输出的输入端相关联的短队列相关联。 与输出相关联的长队列从与输出相关联的每个短队列接收数据,并将数据转发到输出。 与输出相关联的控制电路将存储在与输出相关联的所有短队列中的数据传送到长队列中。 该传输以比与输入相关联的数据速率高的数据速率进行,使得短队列被防止变满。 通过在许多短队列中实现排队系统,而不是更少的长队列,整个系统实现更加高效和便宜。