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    • 31. 发明授权
    • Method and system for routing massages in a multi-node data
communication network
    • 用于在多节点数据通信网络中路由消息的方法和系统
    • US5771227A
    • 1998-06-23
    • US612712
    • 1996-03-08
    • Alain BenayounJean-Francois Le PennecPatrick MichelGerard Brun
    • Alain BenayounJean-Francois Le PennecPatrick MichelGerard Brun
    • H04L12/54H04L12/70H04L12/701H04L12/933H04L12/947H04J3/24H04L12/56
    • H04L12/5601H04L45/00H04L49/107H04L49/256H04L2012/567H04L2012/5679
    • The invention relates to a method and a system for routing messages or frames through network nodes connected to each other by network links and connected to a plurality of terminals by different input/output ports also called network attachment cards (NAC) in a multi-node communication network. In such a configuration, each terminal equipment stores a network table. The network table is updated in the terminal itself by a network manager which may by the way limit the access of the terminal to some terminals of the network. To route an incoming message or frame from a source terminal (T1) to the destination terminal (T7), a routing algorithm is implemented in each NAC. Each NAC has a different and unique integer address in the node, each node has a different and unique prime number address greater than the number of NACs in the node. Each terminal connected to a node sends frames with a routing identifier (RI). The different RIs are located in the network table. When an input NAC receives a frame, the routing algorithm computes the address of the output NAC given by the remainder of the division of the RI by the node address, then this output NAC sends the frames onto its network link. This process is performed in each node until the destination terminal is reached. The RI is kept unchanged during the frame transmission. A timer is also used to test if the frame is received because a network link may be down. In such case, an alternate RI is used to take an alternate route.
    • 本发明涉及一种方法和系统,用于通过网络链路彼此连接的网络节点路由消息或帧,并通过多节点中也称为网络附加卡(NAC)的不同输入/输出端口连接到多个终端 通讯网络 在这种配置中,每个终端设备存储网络表。 网络表在终端本身由网络管理器更新,网络管理器可以限制终端对网络的某些终端的访问。 为了将来自源终端(T1)的输入消息或帧路由到目的终端(T7),在每个NAC中实现路由算法。 每个NAC在节点中具有不同且唯一的整数地址,每个节点具有大于节点中NAC个数的不同且唯一的素数地址。 连接到节点的每个终端发送具有路由标识符(RI)的帧。 不同的RI位于网络表中。 当输入NAC接收到帧时,路由算法计算由RI的除法余数由节点地址给出的输出NAC的地址,则该输出NAC将帧发送到其网络链路上。 在每个节点中执行该过程,直到达到目标终端。 在帧传输期间,RI保持不变。 定时器也用于测试帧是否被接收,因为网络链路可能会关闭。 在这种情况下,替代的RI用于采取替代路由。
    • 35. 发明授权
    • Automatic rate adaptation system in a local area network
    • 局域网自动速率调整系统
    • US06789130B1
    • 2004-09-07
    • US09571681
    • 2000-05-16
    • Alain BenayounJean-Francois Le PennecMichel VerhaeghePatrick Michel
    • Alain BenayounJean-Francois Le PennecMichel VerhaeghePatrick Michel
    • G06F1516
    • H04L12/5602
    • Automatic speed adaptation system in a Local Area Network (LAN) between a hub (10) including a hub adapter (20, 24, 28) and at least a workstation (12, 14, 16) including a workstation adapter (18, 22, 26) for exchanging data over a link connected between the hub adapter and the workstation adapter at a rate based on a frequency which is inversely proportional to the length of the link. Each adapter comprises a clock generator for generating a clock having a frequency between F1 and F2 and processing means for transmitting at least a check frame from the hub adapter to the workstation adapter at a rate based on a frequency VCLK generated by the clock generator under the control of the processing means and selected as being the frequency corresponding to the length of the link, and for transmitting an acknowledge frame from the workstation adapter to the hub adapter thereby ascertaining that the selected frequency is the right frequency resulting in the best quality of transmission.
    • 在包括轮毂适配器(20,24,28)的轮毂(10)和至少包括工作站适配器(18,22)的工作站(12,14,16)之间的局域网(LAN)中的自动速度适配系统, 26),用于以基于与链路的长度成反比的频率的速率通过连接在中继适配器和工作站适配器之间的链路交换数据。 每个适配器包括用于产生具有F1和F2之间的频率的时钟的时钟发生器和用于以基于由时钟发生器下的时钟发生器产生的频率VCLK的速率从集线器适配器至工作站适配器发送至少一个校验帧的处理装置 处理装置的控制并被选择为对应于链路的长度的频率,并且用于将确认帧从工作站适配器发送到集线器适配器,从而确定所选择的频率是合适的频率,从而产生最佳传输质量 。
    • 39. 发明授权
    • Apparatus for an automatic speed and data length selection of an
asychronous data link
    • 用于同步数据链路的自动速度和数据长度选择的装置
    • US6016309A
    • 2000-01-18
    • US751800
    • 1996-11-19
    • Alain BenayounJean-Francois Le PennecPatrick Michel
    • Alain BenayounJean-Francois Le PennecPatrick Michel
    • H04L29/08H04L25/02H04J3/14
    • H04L25/0262
    • To establish the communication between two devices connected through an asynchronous data link, an adapter for automatically identifies configuration parameters. The configuration parameters may be the transmission speed, the data bits length (seven or eight), the parity (odd or even) if existing and the number of stop bits (one or two). Thus, there are six combinations of the four parameters. Each one of the configuration is detected by an adapter which is independent from the others. It comprises a control circuit (170) receiving deserialized data bits signal (RXD) from a connector (120), a clock generator (160) for generating clock signals and varying the clock frequency so as to adapt to asynchronous data transmission speed, a timer (220) for synchronizing the number of data bytes so as to adapt to the data bit length and counters for counting the number of times a predetermined configuration matches. A parity checker may be also implemented in case a parity bit is used in the data transmission. The six adapters may be connected in parallel by the RXD signal so that each adapter operates simultaneously so that each counter may inform first the microcontroller of the configuration detected once it is sure this configuration is not randomly detected.
    • 要建立通过异步数据链路连接的两台设备之间的通信,可以自动识别配置参数。 配置参数可以是传输速度,数据位长度(七或八),奇偶校验(奇数或偶数)如果存在和停止位数(一个或两个)。 因此,有四个参数的六个组合。 每个配置都由独立于其他适配器的适配器检测。 它包括从连接器(120)接收反序列化数据位信号(RXD)的控制电路(170),用于产生时钟信号并改变时钟频率以适应异步数据传输速度的时钟发生器(160),定时器 (220),用于使数据字节的数量同步以适应数据位长度,以及用于对预定配置匹配的次数进行计数的计数器。 在数据传输中使用奇偶校验位的情况下也可以实现奇偶检验器。 六个适配器可以通过RXD信号并联连接,使得每个适配器同时操作,使得每当一个确认该配置不被随机检测到时,每个计数器可以首先向微控制器通知检测到的配置。
    • 40. 发明授权
    • adapter for transferring blocks of data having a variable size to other
adapters via a main system bus
    • 适配器,用于通过主系统总线将具有可变大小的数据块传送到其他适配器
    • US5799158A
    • 1998-08-25
    • US687071
    • 1996-07-15
    • Alain BenayounJean-Francois Le PennecPatrick MichelPatrick Sicsic
    • Alain BenayounJean-Francois Le PennecPatrick MichelPatrick Sicsic
    • G06F13/40G06F13/00G06F13/38
    • G06F13/4072
    • An adapter for transferring blocks of data of a variable size to at least one destination adapter, each of the adapters being plugged in a respective slot and connected to a main system bus which is controlled by a central backplane card. In each adapter, the transmission of one block of data is provided, in part, by a device, operative in response to the detection of an ACK acknowledge word giving access to the bus, for generating a signalling word to be transmitted to a particular destination adapter which will actually receive the transmitted data; the signalling word comprising information characterizing the type of command which the transmitting adapter sends as a request to the backplane card, the address of the particular adapter which will receive the transmitted data, the size of the block of the transmitted data and the address of the transmitting adapter. The adapter is best suited for use in multimedia systems where variable size data blocks are required to transmit data, voice, video, etc.
    • 用于将可变大小的数据块传送到至少一个目的地适配器的适配器,每个适配器插入相应的插槽中并连接到由中央背板卡控制的主系统总线。 在每个适配器中,一部分数据的传输部分地由设备提供,响应于检测到给予接入总线的ACK确认字而工作,用于产生要发送到特定目的地的信令字 实际接收传输数据的适配器; 信令字包括表示发送适配器作为请求发送到背板的命令的类型的信息,将接收所发送的数据的特定适配器的地址,发送的数据的块的大小和发送的数据的地址 传输适配器。 该适配器最适用于需要可变大小数据块来传输数据,语音,视频等的多媒体系统。