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    • 3. 发明授权
    • Broad band switching network
    • 宽带交换网络
    • US5493573A
    • 1996-02-20
    • US703519
    • 1991-05-20
    • Hiroshi KobayashiKunihiko SekiyaYoshihiro HidakaKazuo AidaMichiaki OkanoShigenobu MinamiTakashi IkedaShoichiro YamasakiHideaki HaruyamaKazuyoshi Ozawa
    • Hiroshi KobayashiKunihiko SekiyaYoshihiro HidakaKazuo AidaMichiaki OkanoShigenobu MinamiTakashi IkedaShoichiro YamasakiHideaki HaruyamaKazuyoshi Ozawa
    • H04L12/801H04L12/911H04Q11/04H04L12/52
    • H04L49/3081H04L49/254H04L49/505H04L49/55H04Q11/0492H04L2012/5609H04L2012/562H04L2012/5626H04L2012/5632H04L2012/5678H04L49/10
    • Since a transmission route is set in accordance with the number of relaying broad band switching nodes present between two terminating nodes of a plurality of broad band switching nodes, a through-put characteristic, an affecting degree due to occurrence of a defect, the traffic of the entire network is distributed. In addition, when the system is started up, transmission routes with a minimum band width necessary for routing control have been set in all the broad band switching nodes. Whenever a call takes place, a transmission route is set and the band width is variably set by using an intelligent inference mechanism. Moreover, an intelligent distributed control for distributing such an intelligent inference mechanism in the broad band switching nodes is used. Thus, the load of processing a call can be decreased, while the reliability of the network and the improvement of the operating efficiency can be achieved. Furthermore, since the private branch system interface uses a frame which consists of a control window area for controlling its transmission and a cell multiplexing area for multiplexingly transmitting cells, bidirectional transmission between the broad band switching node and a plurality of terminal equipments can be achieved with a single extension transmission line. In addition, since a frame construction which satisfies the ATM method is used, different information transmission speeds can be flexibly selected.
    • 由于根据存在于多个宽带交换节点的两个终止节点之间的中继宽带交换节点的数量来设置传输路由,因此产生通过特性,由于缺陷发生的影响程度, 整个网络都是分布式的。 此外,当系统启动时,已经在所有宽带交换节点中设置了具有路由控制所需的最小带宽的传输路由。 每当发生呼叫时,设置传输路由,并且通过使用智能推理机制可变地设置带宽。 此外,使用用于在宽带交换节点中分发这种智能推理机制的智能分布式控制。 因此,可以降低处理呼叫的负担,同时可以实现网络的可靠性和提高操作效率。 此外,由于专用分支系统接口使用由用于控制其发送的控制窗口区域和用于多路复用发送小区的小区复用区域组成的帧,所以可以通过以下方式实现宽带交换节点与多个终端设备之间的双向传输: 单个扩展传输线。 此外,由于使用满足ATM方式的帧结构,因此可以灵活地选择不同的信息传输速度。
    • 6. 发明申请
    • Method of Organizing Nodes of a Network into Groupings of Nodes, Computer Program for Implementing such a Method and Communication Device Forming a Node of a Network of Nodes
    • 将网络节点组织成节点组合的方法,用于实现这样的方法的计算机程序和形成节点网络的节点的通信设备
    • US20090190496A1
    • 2009-07-30
    • US12281617
    • 2007-03-01
    • Tinku Mohamed-RasheedYvon GourhantLaurent Reynaud
    • Tinku Mohamed-RasheedYvon GourhantLaurent Reynaud
    • H04L12/28
    • H04L41/30H04L41/12H04L45/46H04L2012/5609H04L2012/5618H04L2012/5623H04W40/32
    • A method of organizing nodes of a network into clusters of nodes comprises a step (130) of calculating, for each node, a weight, representing the aptness of this node to be the master node of a grouping, and a step (190) of electing a master node of a grouping, such that the weight of this master node is greater than or equal to the weights of the other nodes of the grouping. The method furthermore comprises a step (140 180) of storing, in each node, an information cue (14) containing an identifier of the node of highest weight known by this node and the value of this highest weight, a step (150) of transmitting, by each node to nodes adjacent to this node, the information cue (14) stored in this node, and a step (170) of comparing, for each node, the information cues (14) transmitted to this node during the transmitting step (150) with the information cue stored in this node, so as to determine a new node of highest weight known by this node. The steps of storing (180), transmitting (150) and comparing (170) are repeated successively a predetermined number (k) of times, on conclusion of which the step (190) of electing a master node is carried out, in the course of which a node (M) whose stored information cue contains its own identifier is chosen to be a master node.
    • 一种将网络的节点组织成节点簇的方法包括步骤(130),为每个节点计算一个权重,该权重表示该节点作为分组的主节点的适应性,以及步骤(190) 选择分组的主节点,使得该主节点的权重大于或等于分组的其他节点的权重。 该方法还包括在每个节点中存储包含由该节点已知的最高权重的节点的标识符和该最高权重的值的信息提示(14)的步骤(140-180),步骤(150) 由每个节点向与该节点相邻的节点发送存储在该节点中的信息提示(14),以及步骤(170),对于每个节点,在发送步骤期间发送到该节点的信息提示(14) (150)具有存储在该节点中的信息提示,以便确定该节点已知的最高权重的新节点。 存储(180),发送(150)和比较(170)的步骤连续重复预定数量(k)次,结果是在该过程中执行选择主节点的步骤(190) 其中存储的信息提示包含其自己的标识符的节点(M)被选择为主节点。
    • 9. 发明授权
    • Fault-tolerant, highly-scalable cell switching architecture
    • 容错,高度可扩展的小区交换架构
    • US06741552B1
    • 2004-05-25
    • US09022679
    • 1998-02-12
    • Carl McCroskyJeff S. RoeIan G. BarrettKen Sailor
    • Carl McCroskyJeff S. RoeIan G. BarrettKen Sailor
    • G01R3108
    • H04L12/5601H04L49/106H04L49/1576H04L49/203H04L49/256H04L2012/5609H04L2012/5637H04L2012/5648H04L2012/5651H04L2012/5652H04L2012/5681
    • Generally speaking, the cell switching architecture of the present invention offers a powerful, simple, and in many ways elegant solution to the problem of providing cost-effective, high-bandwidth, fault-tolerant cell switching. The architecture is based on a network of switching elements connected in a hypercube topology to form a switch fabric. The generalized hypercube is D dimensional, where D≧3 when all radices in the radix set are 2 and D≧2 when at least one of the radices is greater than 2. A fully-populated switch is fully symmetric: each switching element has the same number and kind of connections to both its neighbors and to the outside world as every other switching element. In an exemplary embodiment, each switching element is connected to one data source and one data sink, e.g., a Utopia bus or other broadband connection. In the same exemplary embodiment, links between switching elements are bidirectional and synchronous, operating in accordance with a Cell Exchange Cycle (CEC). Buffer space for a limited number N of cells is provided within each switching element. Multipath routing allows a switching element to forward a cell along any of multiple paths. Retrograde and lateral motion, i.e., motion other than in a forward direction toward the cell's destination, is also allowed to relieve temporary local congestion.
    • 一般来说,本发明的小区交换结构为提供具有成本效益,高带宽,容错小区切换的问题提供了强大,简单且多方面的优雅解决方案。 该架构基于连接在超立方体拓扑中的交换元件的网络,以形成交换结构。 广义超立方体是D维,其中当基数中的至少一个大于2时,基数组中的所有基数为2且D> = 2时D> = 3。完全填充的开关是完全对称的:每个开关元件 与其邻居和外部世界具有相同的数量和种类的连接作为每个其他交换元件。 在示例性实施例中,每个开关元件连接到一个数据源和一个数据宿,例如乌托邦总线或其他宽带连接。 在相同的示例性实施例中,开关元件之间的链路是双向的和同步的,根据电池交换周期(CEC)操作。 在每个开关元件内提供有限数量N个单元的缓冲器空间。 多路径路由允许交换元件沿多个路径中的任意一个路由转发单元。 逆向和横向运动,即除向前朝向小区目的地的运动之外的运动也被允许缓解临时的局部拥挤。