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1. 发明授权

US5870628A Adaptor for receiving and processing asynchronous transfer mode cells within a computer network 失效
标题翻译：用于在计算机网络内接收和处理异步传输模式单元的适配器
公开(公告)号：US5870628A
公开(公告)日：1999-02-09
申请号：US664206
申请日：1996-06-11
申请人： Wen-Tzer Thomas Chen , Yat Hung Ng , Gary Yuh Tsao , Earl James McDonald
发明人： Wen-Tzer Thomas Chen , Yat Hung Ng , Gary Yuh Tsao , Earl James McDonald
IPC分类号： G06F13/28 , G06F13/38 , H04L12/56 , H04Q11/04 , G06F13/00
CPC分类号： H04L49/3081 , G06F13/28 , G06F13/387 , H04Q11/0478 , H04L2012/5616 , H04L2012/5647 , H04L2012/5678
摘要： A network adaptor for receiving and processing Asynchronous Transfer Mode cells within a computer network is disclosed. The network adaptor includes a raw cell buffer, a control table, several Direct Memory Access buffers, and a Direct Memory Access controller. The raw cell buffer is utilized for receiving Asynchronous Transfer Mode cells from the computer network. The control table includes a multiple of virtual circuit identifier entries. When a corresponding virtual circuit identifier of the Asynchronous Transfer Mode cell is found in one of the multiple of virtual circuit identifier entries within the control table, one of the several Direct Memory Access buffers is set to receive the Asynchronous Transfer Mode cell. The Direct Memory Access controller is then utilized for initiating a Direct Memory Access transfer of the Asynchronous Transfer Mode cell from one of the several Direct Memory Access buffers when a pre-set threshold for Asynchronous Transfer Mode cell transfer is reached, such that Asynchronous Transfer Mode cell processing performance may be optimized to a receiving computer system in which the network adaptor is installed.
摘要翻译：公开了一种用于在计算机网络内接收和处理异步传输模式单元的网络适配器。网络适配器包括原始单元缓冲器，控制表，几个直接存储器访问缓冲器和直接存储器访问控制器。原始单元缓冲器用于从计算机网络接收异步传输模式单元。控制表包括多个虚拟电路标识符条目。当在控制表内的多个虚拟电路标识符条目中的一个中找到异步传输模式单元的对应的虚拟电路标识符时，几个直接存储器访问缓冲器之一被设置为接收异步传输模式单元。然后，当达到异步传输模式单元传输的预设阈值时，直接存储器访问控制器用于启动来自多个直接存储器访问缓冲器之一的异步传输模式单元的直接存储器访问传输，使得异步传输模式可以将小区处理性能优化为其中安装有网络适配器的接收计算机系统。

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