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    • 9. 发明授权
    • System and method for dispatching and scheduling network transmissions with feedback
    • 用反馈调度和调度网络传输的系统和方法
    • US06959327B1
    • 2005-10-25
    • US09649954
    • 2000-08-29
    • Norbert George VoglGeoffrey Hale PurdyRobert Alan FlavinYuan FengEdward Payson Clarke, Jr.
    • Norbert George VoglGeoffrey Hale PurdyRobert Alan FlavinYuan FengEdward Payson Clarke, Jr.
    • G06F15/16H04L12/56H04L29/08
    • H04L67/325H04L47/26H04L47/50H04L47/56H04L49/90H04L67/322
    • A computer dispatcher connected to one or more respective network buffers has stored file lists that identify one or more of the files in the database that are to be transmitted over networks connected to the respective network buffer. A scheduler(s) schedule one or more portions of one or more of the files to be written to the respective network buffers by defining transmission criteria about each of the files in the file list. These transmission criteria include a quantity to transmit criteria, defining a quantity of one or more of the portions of the respective file to transmit, and one or more release times. The release times define the time at which the respective portion is to be written to the network buffer. The system includes a dispatching process that determines an available space on one or more of the network buffers and a current system time. The dispatching process determines if the system time is greater than or equal to one of the release times and further takes a minimum value of the available space and the quantity of the respective portion. The dispatching process then writes the minimum value of the respective portion to one or more of the network buffers. A feedback mechanism, e.g. a quantity completion measure, is used to estimate a completion time of the writing of the respective portion to the respective network buffer. The scheduler then reschedules one or more of the portions if one or more of the portions can not be scheduled to meet the respective transmission criteria.
    • 连接到一个或多个相应网络缓冲器的计算机调度器具有存储的文件列表,其识别数据库中将要通过连接到相应网络缓冲器的网络发送的一个或多个文件。 调度器通过定义关于文件列表中的每个文件的传输标准来调度要写入各个网络缓冲器的一个或多个文件的一个或多个部分。 这些传输标准包括传输标准的数量,定义要发送的相应文件的一部分或多个部分的数量,以及一个或多个释放时间。 释放时间定义相应部分要写入网络缓冲区的时间。 该系统包括调度过程,其确定一个或多个网络缓冲器上的可用空间和当前系统时间。 调度过程确定系统时间是否大于或等于其中一个释放时间,并进一步获取可用空间的最小值和相应部分的数量。 然后,调度过程将相应部分的最小值写入一个或多个网络缓冲器。 反馈机制,例如 数量完成度量用于估计相应部分写入到各个网络缓冲器的完成时间。 如果一个或多个部分不能被调度以满足相应的传输标准,则调度器然后重新调度一个或多个部分。