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11. 发明授权

US07864791B2 Pipelined packet switching and queuing architecture 有权
标题翻译：流水线分组交换和排队架构
公开(公告)号：US07864791B2
公开(公告)日：2011-01-04
申请号：US11931527
申请日：2007-10-31
申请人： Mohammed I. Tatar , Garry P. Epps , Oded Trainin , Eyal Oren , Cedrik Begin
发明人： Mohammed I. Tatar , Garry P. Epps , Oded Trainin , Eyal Oren , Cedrik Begin
IPC分类号： H04L12/56 , H04J1/16
CPC分类号： H04L49/1546 , H04L49/201 , H04L49/3045 , H04L49/3063 , H04L49/3072 , H04L49/503 , H04L49/506
摘要： An architecture for a line card in a network routing device is provided. The line card architecture provides a bi-directional interface between the routing device and a network, both receiving packets from the network and transmitting the packets to the network through one or more connecting ports. In both the receive and transmit path, packets processing and routing in a multi-stage, parallel pipeline that can operate on several packets at the same time to determine each packet's routing destination is provided. Once a routing destination determination is made, the line card architecture provides for each received packet to be modified to contain new routing information and additional header data to facilitate packet transmission through the switching fabric. The line card architecture further provides for the use of bandwidth management techniques in order to buffer and enqueue each packet for transmission through the switching fabric to a corresponding destination port. The transmit path of the line card architecture further incorporates additional features for treatment and replication of multicast packets.
摘要翻译：提供了一种网络路由设备中线路卡的架构。线路卡架构在路由设备和网络之间提供双向接口，两者都接收来自网络的分组，并通过一个或多个连接端口将分组发送到网络。在接收和发送路径中，提供了可以同时在多个分组上操作以确定每个分组的路由目的地的多级并行流水线中的分组处理和路由。一旦进行了路由目的地确定，线路卡架构将为要修改的每个接收的分组提供包含新的路由信息和附加的头部数据，以便于通过交换结构的分组传输。线路卡架构进一步提供使用带宽管理技术，以便缓冲和排队每个分组以便通过交换结构传输到相应的目的地端口。线路卡架构的传输路径进一步包含用于组播数据包的处理和复制的附加功能。

12. 发明授权

US07408878B2 System packet interface 有权
标题翻译：系统分组接口
公开(公告)号：US07408878B2
公开(公告)日：2008-08-05
申请号：US10458357
申请日：2003-06-10
申请人： Adrian B. Evans , Mohammed I. Tatar , Cedrik K. Begin
发明人： Adrian B. Evans , Mohammed I. Tatar , Cedrik K. Begin
IPC分类号： H04L12/26
CPC分类号： H04L49/30
摘要： An apparatus including a first integrated circuit (IC), a second IC, and an interface coupling the first IC to the second IC. The interface transfers payload control information between the first IC and the second IC utilizing a number of data transmission lines. On the clock cycle transition following the transfer of payload control information, the interface transfers packetized data between the first IC and the second IC at a data rate of at least approximately 20 Gbps utilizing the same transmission lines. A one-bit control signal is used by the interface to identify when payload control information is present on all of the data transmission lines.
摘要翻译：一种包括第一集成电路（IC），第二IC以及将第一IC耦合到第二IC的接口的装置。接口使用多条数据传输线路在第一IC和第二IC之间传输有效载荷控制信息。在传送有效负载控制信息之后的时钟周期转换中，接口使用相同的传输线以至少约20Gbps的数据速率在第一IC和第二IC之间传送分组数据。接口使用一位控制信号来识别何时有效载荷控制信息存在于所有数据传输线上。

13. 发明授权

US06219353B1 Message hub 失效
标题翻译：留言中心
公开(公告)号：US06219353B1
公开(公告)日：2001-04-17
申请号：US09098951
申请日：1998-06-17
申请人： Mark Stephen Wight , Kalamaljit S. Masonde , Mohammed I. Tatar , Stephane Gagnon , Peter J. Barry
发明人： Mark Stephen Wight , Kalamaljit S. Masonde , Mohammed I. Tatar , Stephane Gagnon , Peter J. Barry
IPC分类号： H04L1228
CPC分类号： H04L49/557 , H04L12/44 , H04L49/201 , H04L49/205 , H04L49/254 , H04L49/351
摘要： A message hub is provided for use in a message communication system having a plurality of nodes connected to the message hub by a data communication medium for inter-node messaging. The message hub operates in a scheduling phase and a transmission phase. In the scheduling phase, request receiving means receives a messaging request signal is received from each node. In accordance with the messaging request signal, selecting means selects a selected node in the scheduling phase. Granting means generates a grant signal to the selected node for allowing the selected node to transmit a message to the message hub on the data communication medium. The granting means also generates a listen signal to the other nodes for commanding the other nodes to listen to the data communication medium. The message hub enters in the transmission phase in which message receiving means receives a message transmitted from the selected node on the data communication medium. The message includes an end of message signal at the end of the message. The message is then broadcasted by broadcasting means to all nodes on the data communication medium so as to enter into the scheduling phase by broadcasting the end of message signal.
摘要翻译：提供了一种用于消息通信系统的消息集线器，其具有通过用于节点间消息传送的数据通信介质连接到消息集线器的多个节点。消息中心在调度阶段和传输阶段运行。在调度阶段，请求接收装置接收从每个节点接收到的消息请求信号。根据消息发送请求信号，选择装置在调度阶段选择所选择的节点。授予装置向所选节点生成授权信号，以允许所选节点向数据通信介质上的消息中心发送消息。授权装置还产生到其他节点的监听信号，用于命令其他节点收听数据通信媒体。消息中心进入传输阶段，消息接收装置接收从数据通信介质上的所选节点发送的消息。该消息包括消息结束处的消息信号结束。然后，该消息由广播装置广播到数据通信媒体上的所有节点，以便通过广播消息信号的结束进入调度阶段。

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