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    • 2. 发明授权
    • Method and apparatus for processing frame classification information between network processors
    • 用于处理网络处理器之间帧分类信息的方法和装置
    • US07106730B1
    • 2006-09-12
    • US09546833
    • 2000-04-11
    • Brian Mitchell BassJean Louis CalvignacAnthony Matteo GalloMarco C. HeddesMichael Steven SiegelFabrice Jean Verplanken
    • Brian Mitchell BassJean Louis CalvignacAnthony Matteo GalloMarco C. HeddesMichael Steven SiegelFabrice Jean Verplanken
    • H04L12/56
    • H04L49/30
    • A network device including an ingress processor and egress processor which receives frames of data over the network on an input port, and transfers it to an appropriate output port. The received frame is processed by an ingress processor which prepares an intra-switch frame for delivery to an egress processor serving a relevant output port of the switch. The intra-switch frame includes a frame header having parameters which have been determined by the ingress processor, as well as data indicating an address for the egress processor for beginning processing of the frame. By identifying to the egress processor processing which has already taken place, the egress processor is relieved of any redundant processing of the frame. The egress processor provides a hardware frame classifier which decodes the information contained in the intra-frame header to derive parameters which have been previously computed as well as a starting address for the egress processor. By reducing the amount of redundant processing of the egress processor, total device throughput delay is reduced.
    • 一种网络设备,包括入口处理器和出口处理器,其在输入端口上通过网络接收数据帧,并将其传送到适当的输出端口。 接收到的帧由入口处理器处理,入口处理器准备一个内部交换帧,用于传送到服务于交换机的相关输出端口的出口处理器。 帧内切换帧包括具有由入口处理器确定的参数的帧报头,以及指示用于开始处理该帧的出口处理器的地址的数据。 通过识别已经发生的出口处理器处理,出口处理器免除了帧的任何冗余处理。 出口处理器提供硬件帧分类器,其对包含在帧内报头中的信息进行解码以导出先前已经计算的参数以及出口处理器的起始地址。 通过减少出口处理器的冗余处理量,减少了总设备吞吐量延迟。
    • 9. 发明授权
    • Network processor/software control architecture
    • 网络处理器/软件控制架构
    • US06898179B1
    • 2005-05-24
    • US09544896
    • 2000-04-07
    • Brian Mitchell BassJean Louis CalvignacAnthony Matteo GalloMarco C. HeddesMark Anthony RinaldiMichael Steven SiegelColin Beaton VerrilliFabrice Jean Verplanken
    • Brian Mitchell BassJean Louis CalvignacAnthony Matteo GalloMarco C. HeddesMark Anthony RinaldiMichael Steven SiegelColin Beaton VerrilliFabrice Jean Verplanken
    • G06F11/00H04B7/216H04L1/16H04L12/26
    • G06F15/17
    • The transport protocol for communicating between general purpose processors acting as contact points and network processors in a packet processing environment such as Ethernet is provided. In such an environment, there is at least one single control point processor (CP) and a plurality of network processors (NP), sometimes referred to as blades. A typical system could contain two to sixteen network processors, and each network processor connects to a plurality of devices which communicate with each other over a network transport, such as Ethernet. The CP typically controls the functionality and the functioning of the network processors to function in a way that connects one end user with another, whether or not the end user is on the same network processor or a different network processor. There are three types of communication provided; first, there is communication generally referred to as control services and normally there will be only one pico processor which operates as a GCH (guided cell handler) and only one that operates as a guided tree handler (GTH). A path is provided for the controls to the GCH and the GTH commands, and a separate path is provided for the data frames between the GDH's (general data handler) and the CP.
    • 提供了用于在诸如以太网的分组处理环境中用作接触点的通用处理器和网络处理器之间进行通信的传输协议。 在这样的环境中,存在至少一个单个控制点处理器(CP)和多个网络处理器(NP),有时称为刀片。 典型的系统可以包含两到十六个网络处理器,并且每个网络处理器连接到通过诸如以太网的网络传输彼此通信的多个设备。 CP通常控制网络处理器的功能和功能,以使终端用户与另一终端用户相连的方式起作用,无论终端用户是否在同一个网络处理器或不同的网络处理器上。 提供三种通讯方式; 首先,通常被称为控制服务的通信,并且通常将只有一个微微处理器作为GCH(引导的单元处理器)操作,并且只有一个作为引导树处理器(GTH)操作。 为GCH和GTH命令的控制提供路径,并为GDH(通用数据处理程序)和CP之间的数据帧提供单独的路径。