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    • 16. 发明授权
    • Reliable on-demand distributed data management in a sensor-actuator fabric
    • 传感器执行器结构中可靠的按需分布式数据管理
    • US09059929B2
    • 2015-06-16
    • US13524481
    • 2012-06-15
    • Raghuram S. SudhaakarSateesh K. AddepalliJean-Philippe Vasseur
    • Raghuram S. SudhaakarSateesh K. AddepalliJean-Philippe Vasseur
    • H04L12/56G06F17/30H04L12/761H04L12/753H04W40/20H04L12/725
    • H04L45/16H04L45/306H04L45/48H04W40/20
    • In one embodiment, a system comprises a plurality of minimalistic data collection nodes in a computer network, the minimalistic data collection nodes configured to generate sensed data values of a particular type and to communicate the data values within the computer network in substantially real-time using distributed data acquisition (DA) packets specific to the particular type of the data values. The system also comprises a plurality of capable data collection nodes in the computer network, the capable data collecting nodes configured to store the data values of the minimalistic data collection nodes from the DA packets. One or more points of use of the system may be configured to request the data values, wherein one or more particular capable data collection nodes of the system are configured to service the request in substantially real-time on behalf of the minimalistic data collection nodes with the stored data values.
    • 在一个实施例中,系统包括计算机网络中的多个简约数据收集节点,所述极简数据收集节点被配置为生成特定类型的感测数据值,并且基本上实时地使用计算机网络内的数据值传达 分布式数据采集(DA)数据包特定于特定类型的数据值。 该系统还包括计算机网络中的多个能力数据收集节点,能力数据收集节点被配置为从DA分组存储简约数据收集节点的数据值。 可以将系统的一个或多个使用点配置为请求数据值,其中系统的一个或多个特定能力的数据收集节点被配置为代表极简数据收集节点基本上实时地为该请求提供服务, 存储的数据值。
    • 18. 发明申请
    • Sensor Data Transport and Consolidation Within Communication Nodes in a Network
    • 传感器数据传输和网络中通信节点的合并
    • US20150071255A1
    • 2015-03-12
    • US14021744
    • 2013-09-09
    • Patrick WetterwaldJean-Philippe VasseurPascal Thubert
    • Patrick WetterwaldJean-Philippe VasseurPascal Thubert
    • H04L5/00
    • H04L5/0037H04L12/46H04L12/56H04W4/38Y02D70/144
    • In one embodiment, sensor data is transported in a network to a rendezvous point network node, which consolidates the information into a consolidated result which is communicated to the destination. Such consolidation by a network node reduces the number of paths required in the network between the sensors and the destination. One embodiment includes acquiring, by each of a plurality of originating nodes in a wireless deterministic network, external data related to a same physical event; communicating through the network said external data from each of the plurality of originating nodes to a rendezvous point network node (RP) within the network; processing, by the RP, said external data from each of the plurality of originating nodes to produce a consolidated result; and communicating the consolidated result to a destination node of the network. In one embodiment, the network is a low power lossy network (LLN).
    • 在一个实施例中,传感器数据在网络中传送到会合点网络节点,其将信息合并到通信到目的地的综合结果中。 网络节点的这种整合减少了传感器和目的地之间网络中所需的路径数量。 一个实施例包括由无线确定性网络中的多个始发节点中的每一个获取与相同物理事件相关的外部数据; 通过所述网络将来自所述多个始发节点中的每一个的所述外部数据传送到所述网络内的会合点网络节点(RP); 通过RP处理来自多个始发节点中的每一个的外部数据来产生合并结果; 并将合并结果传送到网络的目的地节点。 在一个实施例中,网络是低功率有损网络(LLN)。
    • 19. 发明授权
    • Reduced authentication times for shared-media network migration
    • 降低了共享媒体网络迁移的验证时间
    • US08949959B2
    • 2015-02-03
    • US13400991
    • 2012-02-21
    • Atul B. MahamuniCarol BarrettJean-Philippe Vasseur
    • Atul B. MahamuniCarol BarrettJean-Philippe Vasseur
    • H04L29/00
    • H04L63/065H04L45/00H04W40/24
    • In one embodiment, a management device in a computer network determines when nodes of the computer network join any one of a plurality of field area routers (FARs), which requires a shared-media mesh security key for that joined FAR. The management device also maintains a database that indicates to which FAR each node in the computer network is currently joined, and to which FARs, if any, each node had previously joined, where the nodes are configured to maintain the mesh security key for one or more previously joined FARs in order to return to those previously joined FARs with the maintained mesh security key. Accordingly, in response to an updated mesh security key for a particular FAR of the plurality of FARs, the management node initiates distribution of the updated mesh security key to nodes having previously joined that particular FAR that are not currently joined to that particular FAR.
    • 在一个实施例中,计算机网络中的管理设备确定计算机网络的何时节点连接多个场区域路由器(FAR)中的任何一个,其需要用于该加入的FAR的共享 - 媒体网状安全密钥。 管理设备还维护一个数据库,指示计算机网络中每个节点当前加入哪个FAR,以及每个节点先前已加入的哪个FAR(如果有的话),其中节点被配置为维护一个或多个节点的网状安全密钥 以前加入的FAR,以便返回到以前加入的FAR与维护的网状安全密钥。 因此,响应于针对多个FAR的特定FAR的更新的网状安全密钥,管理节点发起更新的网状安全密钥到先前已加入到当前未连接到该特定FAR的特定FAR的节点的分发。
    • 20. 发明申请
    • OAM and Time Slot Control in a Deterministic ARC Chain Topology Network
    • 确定性ARC链拓扑网络中的OAM和时隙控制
    • US20150023328A1
    • 2015-01-22
    • US14020936
    • 2013-09-09
    • Pascal ThubertJean-Philippe VasseurPatrick Wetterwald
    • Pascal ThubertJean-Philippe VasseurPatrick Wetterwald
    • H04W72/04
    • H04W72/0446H04J3/1694H04L43/067H04L43/0876H04L45/32H04W40/023
    • In one embodiment, a network of nodes is configured to communicate according to a configuration of Available Routing Construct (ARC) chains as well as monitoring communication in the network, and/or selectively controls whether or not provisioned particular links will be used. One embodiment colors nodes of the network (e.g., a wireless deterministic network) along different paths through the network and marks packets with the color of each traversed node to track a path taken by a packet. One embodiment sends a particular packet through the network and marks over which links the packet traverses and aggregates these traversed links of other copies of the particular packet. One embodiment controls whether or not the provisioned time slots are used based on flooding a control packet through the network with enable or disable information for each of these links.
    • 在一个实施例中,节点网络被配置为根据可用路由构造(ARC)链的配置进行通信,以及监视网络中的通信,和/或选择性地控制是否使用所提供的特定链路。 一个实施例沿着通过网络的不同路径来颜色网络的节点(例如,无线确定性网络),并且以每个遍历节点的颜色标记分组以跟踪由分组采取的路径。 一个实施例通过网络发送特定数据包,并标记数据包穿过哪个链接并聚合特定数据包的其他副本的这些遍历链接。 一个实施例控制是否基于通过网络淹没控制分组来使用所提供的时隙,而对于这些链路中的每一个,启用或禁用信息。