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    • 6. 发明授权
    • Co-processor including a media access controller
    • 协处理器包括媒体访问控制器
    • US06898673B2
    • 2005-05-24
    • US10105973
    • 2002-03-25
    • Frederick GrunerRobert HathawayRamesh PanwarElango GanesanNazar Zaidi
    • Frederick GrunerRobert HathawayRamesh PanwarElango GanesanNazar Zaidi
    • G06F12/00G06F12/08H04L12/56G06F13/00
    • H04L47/10G06F12/0813G06F12/0831G06F12/084H04L47/12H04L47/20H04L47/2441H04L47/765H04L47/805H04L47/822
    • A compute engine includes a central processing unit coupled to a coprocessor. The coprocessor includes a media access controller engine and a data transfer engine. The media access controller engine couples the compute engine to a communications network. The data transfer engine couples the media access controller engine to a set of cache memory. In further embodiments, a compute engine includes two media access controller engines. A reception media access controller engine receives data from the communications network. A transmission media access controller engine transmits data to the communications network. The compute engine also includes two data transfer engines. A streaming output engine stores network data from the reception media access controller engine in cache memory. A streaming input engine transfers data from cache memory to the transmission media access controller engine. In one implementation, the compute engine performs different network services, including but not limited to: 1) virtual private networking; 2) secure sockets layer processing; 3) web caching; 4) hypertext mark-up language compression; 5) virus checking; 6) firewall support; and 7) web switching.
    • 计算引擎包括耦合到协处理器的中央处理单元。 协处理器包括媒体访问控制器引擎和数据传输引擎。 媒体访问控制器引擎将计算引擎耦合到通信网络。 数据传输引擎将媒体访问控制器引擎耦合到一组高速缓冲存储器。 在另外的实施例中,计算引擎包括两个媒体访问控制器引擎。 接收媒体接入控制器引擎从通信网络接收数据。 传输媒体接入控制器引擎向通信网络发送数据。 计算引擎还包括两个数据传输引擎。 流输出引擎将来自接收媒体访问控制器引擎的网络数据存储在高速缓冲存储器中。 流输入引擎将数据从高速缓冲存储器传输到传输介质访问控制器引擎。 在一个实现中,计算引擎执行不同的网络服务,包括但不限于:1)虚拟专用网; 2)安全套接字层处理; 3)网页缓存; 4)超文本标记语言压缩; 5)病毒检查; 6)防火墙支持; 和7)网页切换。
    • 10. 发明授权
    • Processing packets in cache memory
    • 在高速缓存中处理数据包
    • US06745289B2
    • 2004-06-01
    • US10105151
    • 2002-03-25
    • Frederick GrunerElango GanesanNazar ZaidiRamesh Panwar
    • Frederick GrunerElango GanesanNazar ZaidiRamesh Panwar
    • G06F1200
    • H04L47/10G06F12/0813G06F12/0831G06F12/084H04L47/12H04L47/20H04L47/2441H04L47/765H04L47/805H04L47/822
    • A system for processing data includes a first set of cache memory and a second set of cache memory that are each coupled to a main memory. A compute engine coupled to the first set of cache memory transfers data from a communications medium into the first set of cache memory. The system transfers the data from the first set of cache memory to the second set of cache memory, in response to a request for the data from a compute engine coupled to the second set of cache memory. Data is transferred between the sets of cache memory without accessing main memory, regardless of whether the data has been modified. The data is also transferred directly between sets of cache memory when the data is exclusively owned by a set of cache memory or shared by sets of cache memory. In one implementation, the above-described cache memory arrangement is employed with a compute engine that provides different network services, including but not limited to: 1) virtual private networking; 2) secure sockets layer processing; 3) web caching; 4) hypertext mark-up language compression; 5) virus checking; 6) firewall support; and 7) web switching.
    • 一种用于处理数据的系统包括第一组高速缓冲存储器和第二组高速缓冲存储器,每个缓存存储器都耦合到主存储器。 耦合到第一组高速缓冲存储器的计算引擎将数据从通信介质传送到第一组高速缓冲存储器。 响应于来自耦合到第二组高速缓冲存储器的计算引擎的数据的请求,系统将数据从第一组高速缓存存储器传送到第二组高速缓冲存储器。 无论数据是否被修改,数据都在高速缓存存储器集之间传输,而不访问主存储器。 当数据由一组高速缓冲存储器独占拥有或由高速缓存存储器组共享时,数据也直接在高速缓存存储器集之间传送。 在一个实现中,上述高速缓冲存储器布置与提供不同网络服务的计算引擎一起使用,包括但不限于:1)虚拟专用网; 2)安全套接字层处理; 3)网页缓存; 4)超文本标记语言压缩; 5)病毒检查; 6)防火墙支持; 和7)网页切换。