Low cost implementation for a device utilizing look ahead congestion management
    51.
    发明申请
    Low cost implementation for a device utilizing look ahead congestion management 有权
    低成本实施的设备利用前瞻性拥塞管理

    公开(公告)号:US20050195845A1

    公开(公告)日:2005-09-08

    申请号:US10794067

    申请日:2004-03-05

    IPC分类号: H04L12/28

    CPC分类号: H04L47/6205

    摘要: The invention utilizes a separate queue per output port as implemented in the traditional simple queuing schemes of the prior art. Further, it also uses the information found in the packet header to determine the output port and the next output port. Based on this information, it utilizes queues dedicated to congested flows, or “Congested Flow” queues. When the switch determines that, based on the first output port and the second subsequent output port, a packet in the output queue is destined for a congested path, it sets the offending packet aside in a Congested Flow queue, thereby allowing other packets destined for the first output port to continue to be transmitted. In this way, the HOL blocking issue is addressed, without the need for a significantly increased number of output queues.

    摘要翻译: 本发明利用在现有技术的传统简单排队方案中实现的每个输出端口的单独队列。 此外,它还使用分组报头中找到的信息来确定输出端口和下一个输出端口。 基于此信息,它利用专用于拥塞流或“拥塞流”队列的队列。 当交换机确定基于第一输出端口和第二后续输出端口时,输出队列中的分组将发往拥塞路径,则将违规数据包置于拥塞流队列中,从而允许其他分组发往 第一个输出端口继续传输。 以这种方式,解决了HOL阻塞问题,而不需要显着增加输出队列数量。