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    Method and apparatus for segmentation and reassembly of data packets in a communication switch
    3.
    发明授权
    Method and apparatus for segmentation and reassembly of data packets in a communication switch 有权
    用于在通信交换机中分组和重组数据分组的方法和装置

    公开(公告)号：US07463650B2

    公开(公告)日：2008-12-09

    申请号：US11269251

    申请日：2005-11-07

    申请人： David Carr ,  Paul Nadj ,  Sandra Stark

    发明人： David Carr ,  Paul Nadj ,  Sandra Stark

    IPC分类号： H04J3/24

    CPC分类号： H04L49/3081 ,  H04L2012/5652 ,  H04L2012/567 ,  H04Q11/0478

    摘要： A method and apparatus for segmenting and forwarding data packets received in a communication switch is presented. The method begins by receiving a packet that includes a destination that determines forwarding parameters. As the packet is being received, segmentation cells are created from portions of the packet received where each segmentation cell is provided to a switching fabric as soon as creation of the segmentation cell is completed. When an end portion of the packet is received, verification of proper receipt of the packet is performed. When it is determined that the packet has been received successfully, a verification data set is generated based on segmentation cells that have been utilized to forward the packet. If it is determined that the packet has not been successfully received, a purging data set is generated instead of the verification data set.

    摘要翻译： 提出了一种在通信交换机中接收数据包的分段和转发的方法和装置。 该方法通过接收包含确定转发参数的目的地的分组开始。 当分组被接收时，一旦分割单元的创建完成，就从所接收的分组的部分创建分段单元，其中每个分割单元被提供给交换结构。 当接收到分组的结束部分时，执行对分组的适当接收的验证。 当确定分组已被成功接收时，基于已经用于转发分组的分段单元生成验证数据集。 如果确定分组未被成功接收，则产生清除数据集而不是验证数据集。

    Method and apparatus for segmentation and reassembly of data packets in a communication switch
    4.
    发明申请
    Method and apparatus for segmentation and reassembly of data packets in a communication switch 有权
    用于在通信交换机中分组和重组数据分组的方法和装置

    公开(公告)号：US20060050738A1

    公开(公告)日：2006-03-09

    申请号：US11269251

    申请日：2005-11-07

    申请人： David Carr ,  Paul Nadj ,  Sandra Stark

    发明人： David Carr ,  Paul Nadj ,  Sandra Stark

    IPC分类号： H04J3/24

    CPC分类号： H04L49/3081 ,  H04L2012/5652 ,  H04L2012/567 ,  H04Q11/0478

    摘要： A method and apparatus for segmenting and forwarding data packets received in a communication switch is presented. The method begins by receiving a packet that includes a destination that determines forwarding parameters. As the packet is being received, segmentation cells are created from portions of the packet received where each segmentation cell is provided to a switching fabric as soon as creation of the segmentation cell is completed. When an end portion of the packet is received, verification of proper receipt of the packet is performed. When it is determined that the packet has been received successfully, a verification data set is generated based on segmentation cells that have been utilized to forward the packet. If it is determined that the packet has not been successfully received, a purging data set is generated instead of the verification data set.

    摘要翻译： 提出了一种在通信交换机中接收数据包的分段和转发的方法和装置。 该方法通过接收包含确定转发参数的目的地的分组开始。 当分组被接收时，一旦分割单元的创建完成，就从所接收的分组的部分创建分段单元，其中每个分割单元被提供给交换结构。 当接收到分组的结束部分时，执行对分组的适当接收的验证。 当确定分组已被成功接收时，基于已经用于转发分组的分段单元生成验证数据集。 如果确定分组未被成功接收，则产生清除数据集而不是验证数据集。

    Method and apparatus for segmentation and reassembly of data packets in a communication switch
    5.
    发明授权
    Method and apparatus for segmentation and reassembly of data packets in a communication switch 有权
    用于在通信交换机中分组和重组数据分组的方法和装置

    公开(公告)号：US06963572B1

    公开(公告)日：2005-11-08

    申请号：US09426791

    申请日：1999-10-22

    申请人： David Carr ,  Paul Nadj ,  Sandra Stark

    发明人： David Carr ,  Paul Nadj ,  Sandra Stark

    IPC分类号： H04L12/56 ,  H04Q11/04 ,  H04L12/28

    CPC分类号： H04L49/3081 ,  H04L2012/5652 ,  H04L2012/567 ,  H04Q11/0478

    摘要： A method and apparatus for segmenting and forwarding data packets received in a communication switch is presented. The method begins by receiving a packet that includes a destination that determines forwarding parameters. As the packet is being received, segmentation cells are created from portions of the packet received where each segmentation cell is provided to a switching fabric as soon as creation of the segmentation cell is completed. When an end portion of the packet is received, verification of proper receipt of the packet is performed. When it is determined that the packet has been received successfully, a verification data set is generated based on segmentation cells that have been utilized to forward the packet. The verification data set is then included in a final segmentation cell that is provided to the switching fabric. Such a verification data set can then be used by an egress line card that receives the segmentation cells to verify proper receipt of the segmentation cells. If it is determined that the packet has not been successfully received, a purging data set is generated instead of the verification data set. Such a purging data set is then included in the final segmentation cell that is provided to the switching fabric, where the purging data set preferably causes any egress line card to purge the corrupted packet rather than forwarding it.

    摘要翻译： 提出了一种在通信交换机中接收数据包的分段和转发的方法和装置。 该方法通过接收包含确定转发参数的目的地的分组开始。 当分组被接收时，一旦分割单元的创建完成，就从所接收的分组的部分创建分段单元，其中每个分割单元被提供给交换结构。 当接收到分组的结束部分时，执行对分组的适当接收的验证。 当确定分组已被成功接收时，基于已经用于转发分组的分段单元生成验证数据集。 验证数据集然后被包括在提供给交换结构的最终分段单元中。 然后可以由接收分段单元的出口线卡使用这样的验证数据集来验证分段单元的适当接收。 如果确定分组未被成功接收，则产生清除数据集而不是验证数据集。 然后将这样的清除数据集合包括在提供给交换结构的最终分段单元中，其中清除数据集优选地使任何出口线卡清除损坏的分组，而不是转发它。