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1. 发明申请

US20050163141A1 Network switching device and method using shared buffer 有权
标题翻译：网络交换设备和使用共享缓冲的方法
公开(公告)号：US20050163141A1
公开(公告)日：2005-07-28
申请号：US11082831
申请日：2005-03-18
申请人： Taul Katayama
发明人： Taul Katayama
IPC分类号： H04L12/951 , G06F13/38 , H04L12/823 , H04L12/883 , H04L12/931 , H04L13/08 , H04L12/56
CPC分类号： H04L49/9042 , H04L47/50 , H04L49/103 , H04L49/508 , H04L49/552 , H04L49/90 , H04L49/9021
摘要： A network switching device that prevents its shared buffer from suffering a blocking problem, while achieving a higher memory use efficiency in buffering variable-length packets. Every received packet is divided into one or more fixed-length data blocks and supplied to the buffer. Under the control of a buffer controller, a transmit queue is created to store up to a fixed number of data blocks for each different destination network, and the data blocks written in the buffer are registered with a transmit queue corresponding to a given destination. The linkage between data blocks in each packet, as well as the linkage between packets in each transmit queue, is managed as a linked list structure based on the locations of data blocks in the buffer.
摘要翻译：一种网络交换设备，其防止其共享缓冲区遭受阻塞问题，同时在缓冲可变长度分组中实现较高的存储器使用效率。每个接收的分组被分成一个或多个固定长度的数据块并提供给缓冲器。在缓冲器控制器的控制下，创建发送队列以存储每个不同目的地网络的固定数量的数据块，并且将写入缓冲器的数据块与对应于给定目的地的发送队列进行注册。基于缓冲器中的数据块的位置，每个数据包中的数据块之间的链接以及每个发送队列中的分组之间的链接被作为链接列表结构来管理。

2. 发明申请

US20050129044A1 Network switching device and network switching method 失效
标题翻译：网络交换设备和网络交换方式
公开(公告)号：US20050129044A1
公开(公告)日：2005-06-16
申请号：US11047774
申请日：2005-02-02
申请人： Taul Katayama
发明人： Taul Katayama
IPC分类号： H04L12/54 , H04L12/801 , H04L12/823 , H04L12/835 , H04L12/851 , H04L12/861 , H04L12/863 , H04L12/879 , H04L12/28
CPC分类号： H04L47/30 , H04L47/10 , H04L47/2441 , H04L47/32 , H04L47/50 , H04L47/6215 , H04L49/90 , H04L49/901
摘要： A network switching device is provided for enabling priority control of packets, enhancing the using efficiency of a buffer for storing a received packet, and reducing the costs of components. The received packet is stored in the corresponding buffer with information of the packet under the control of a buffer controller. Further, a priority determining circuit is also provided for determining a priority class and a destination of the received packet. The buffer controller creates a transmit queue to which the packets of priority classes are to be registered in each buffer. When writing the received packet in the buffer, the buffer controller is served to reserve the received packet for transmission next to the last registered one of the packets of the same priority class registered in the corresponding transmit queue based on the determination of the priority determining circuit.
摘要翻译：提供了一种网络交换设备，用于实现分组的优先级控制，增强用于存储接收分组的缓冲器的使用效率，并降低组件的成本。接收的分组在缓冲器控制器的控制下被存储在具有分组信息的相应缓冲器中。此外，还提供了用于确定接收到的分组的优先级等级和目的地的优先级确定电路。缓冲器控制器创建要在每个缓冲器中注册优先级分组的传输队列。当在缓冲器中写入接收到的数据包时，根据优先级确定电路的确定，缓冲控制器被用来保留接收到的数据包以便在相应的发送队列中注册的同一优先级的最后一个注册的一个分组旁边发送。

3. 发明授权

US07733889B2 Network switching device and method dividing packets and storing divided packets in shared buffer 有权
标题翻译：网络交换设备和方法分割数据包，并将分组存储在共享缓冲区中
公开(公告)号：US07733889B2
公开(公告)日：2010-06-08
申请号：US11082831
申请日：2005-03-18
申请人： Taul Katayama
发明人： Taul Katayama
IPC分类号： H04L12/56 , H04L12/28
CPC分类号： H04L49/9042 , H04L47/50 , H04L49/103 , H04L49/508 , H04L49/552 , H04L49/90 , H04L49/9021
摘要： A network switching device that prevents its shared buffer from suffering a blocking problem, while achieving a higher memory use efficiency in buffering variable-length packets. Every received packet is divided into one or more fixed-length data blocks and supplied to the buffer. Under the control of a buffer controller, a transmit queue is created to store up to a fixed number of data blocks for each different destination network, and the data blocks written in the buffer are registered with a transmit queue corresponding to a given destination. The linkage between data blocks in each packet, as well as the linkage between packets in each transmit queue, is managed as a linked list structure based on the locations of data blocks in the buffer.
摘要翻译：一种网络交换设备，其防止其共享缓冲区遭受阻塞问题，同时在缓冲可变长度分组中实现较高的存储器使用效率。每个接收的分组被分成一个或多个固定长度的数据块并提供给缓冲器。在缓冲器控制器的控制下，创建发送队列以存储每个不同目的地网络的固定数量的数据块，并且将写入缓冲器的数据块与对应于给定目的地的发送队列进行注册。基于缓冲器中的数据块的位置，每个数据包中的数据块之间的链接以及每个发送队列中的分组之间的链接被作为链接列表结构来管理。

4. 发明授权

US07620054B2 Network switching device and network switching method 失效
标题翻译：网络交换设备和网络交换方式
公开(公告)号：US07620054B2
公开(公告)日：2009-11-17
申请号：US11047774
申请日：2005-02-02
申请人： Taul Katayama
发明人： Taul Katayama
IPC分类号： H04L12/28
CPC分类号： H04L47/30 , H04L47/10 , H04L47/2441 , H04L47/32 , H04L47/50 , H04L47/6215 , H04L49/90 , H04L49/901
摘要： A network switching device is provided for enabling priority control of packets, enhancing the using efficiency of a buffer for storing a received packet, and reducing the costs of components. The received packet is stored in the corresponding buffer with information of the packet under the control of a buffer controller. Further, a priority determining circuit is also provided for determining a priority class and a destination of the received packet. The buffer controller creates a transmit queue to which the packets of priority classes are to be registered in each buffer. When writing the received packet in the buffer, the buffer controller is served to reserve the received packet for transmission next to the last registered one of the packets of the same priority class registered in the corresponding transmit queue based on the determination of the priority determining circuit.
摘要翻译：提供了一种网络交换设备，用于实现分组的优先级控制，增强用于存储接收分组的缓冲器的使用效率，并降低组件的成本。接收的分组在缓冲器控制器的控制下被存储在具有分组信息的相应缓冲器中。此外，还提供了用于确定接收到的分组的优先级等级和目的地的优先级确定电路。缓冲器控制器创建要在每个缓冲器中注册优先级分组的传输队列。当在缓冲器中写入接收到的数据包时，根据优先级确定电路的确定，缓冲控制器被用来保留接收到的数据包以便在相应的发送队列中注册的同一优先级的最后一个注册的一个分组旁边发送。

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