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    • 7. 发明公开
    • 유틸리티 서비스를 위한 네트워크 및 라우팅 프로토콜들을 제공하는 방법 및 시스템
    • 提供实施服务网络和路由协议的方法和系统
    • KR1020100021607A
    • 2010-02-25
    • KR1020097026208
    • 2008-05-27
    • 실버 스프링 네트웍스, 인코포레이티드
    • 플래머,조지휴즈,스터링맥커난,다니엘바스와니,라즈
    • H04L12/721H04W40/24H04W40/04
    • H04W40/02H04L45/00H04L45/123H04L45/22H04W40/12H04W80/04
    • A method and system for providing a network and routing protocol for utility services are disclosed. In one embodiment, a computer-implemented method comprises discovering a utility network, wherein a utility device (for example, a constant powered meter) sends network discovery messages to find the utility network. Neighboring meters are discovered and the device listens for advertised routes for one or more networks from the neighbors. The device is then registered with one or more utility networks, receiving a unique address for each network registration. Also illustrated in this invention disclosure is how each device of a class of devices (for example, battery powered meter) finds and associates itself with another device (for example, constant powered meter). The constant powered meter also registers its associate battery powered meter with the utility networks. The constant powered meter registers itself with the access points and the upstream nodes in the path out of each network. Each upstream node can independently make forwarding decisions on both upstream and downstream packets i.e. choose the next hop according to the best information available to it. The constant powered meter can sense transient link problems, outage problems, and traffic characteristics. It uses the information to find the best route out of and within each network. Each network device thus maintains multi-egress, multi-ingress network routing options both for itself and the device(s) associated with it.
    • 公开了一种用于为公用事业服务提供网络和路由协议的方法和系统。 在一个实施例中,计算机实现的方法包括发现公用事业网络,其中公用设备(例如,恒功率计量器)发送网络发现消息以找到公用事业网络。 相邻的仪表被发现,并且设备监听来自邻居的一个或多个网络的通告路由。 然后,该设备被注册到一个或多个公用事业网络,为每个网络注册接收唯一的地址。 本发明还示出了一类设备(例如,电池供电的仪表)中的每个设备如何发现并将其自身与另一设备(例如,恒功率仪表)相关联。 恒功率电表还将其关联电池供电的仪表与公用事业网络进行注册。 恒定功率的仪表自动注册每个网络中的接入点和路径中的上游节点。 每个上游节点可以独立地对上游和下游分组进行转发决策,即根据可用的最佳信息选择下一跳。 恒功率电表可以感测瞬态链路问题,中断问题和流量特性。 它使用这些信息来查找每个网络内外的最佳路由。 因此,每个网络设备为其本身和与其相关联的设备维护多出口,多入口网络路由选择。
    • 8. 发明公开
    • 향상된 근접성 탐지 방법
    • 改进的临近检测方法
    • KR1020080058485A
    • 2008-06-25
    • KR1020087011467
    • 2006-10-12
    • 코닌클리케 필립스 엔.브이.
    • 엡스타인,마이클크라신스키,레이몬드,제이.
    • H04L12/733G06F21/10H04W4/02
    • H04L45/123H04L45/26H04L67/18H04W4/02
    • The invention relates to a method of determining a proximity between a root node (301) and a leaf node (303) in a network. The method comprises computing a link proximity value between any two mutually connected nodes in the network, at an initial node, sending a proximity computation request message containing a proximity counter to an intermediate node to which said initial node is connected, at an intermediate node (302) being connected to a first node and to a second node, upon receipt of the proximity computation request message containing a proximity counter from the first node, adding the computed link proximity value to the proximity counter and passing on the proximity computation request message to the second node, at a final node, upon receipt of the proximity computation request message, determining the proximity between the root node and the leaf node as the value indicated by the proximity counter.
    • 本发明涉及一种确定网络中根节点(301)和叶节点(303)之间的接近度的方法。 该方法包括在初始节点处计算网络中任何两个相互连接的节点之间的链路接近度值,在中间节点处向所述初始节点连接的中间节点发送包含接近计数器的邻近计算请求消息( 302)连接到第一节点和第二节点,在接收到包含来自第一节点的邻近计数器的邻近计算请求消息时,将计算出的链路接近值添加到邻近计数器并将接近计算请求消息传递到 所述第二节点在最终节点处,在接收到邻近计算请求消息时,确定根节点和叶节点之间的接近度作为由邻近计数器指示的值。
    • 10. 发明公开
    • 이더넷 프레임들의 포워딩 방향을 결정하기 위한 방법
    • 确定以太网帧的路由方向的方法
    • KR1020070103435A
    • 2007-10-23
    • KR1020077018138
    • 2006-01-03
    • 노키아 솔루션스 앤드 네트웍스 게엠베하 운트 코. 카게
    • 랑구트,토르스텐
    • H04L12/751
    • H04L45/123H04L45/02H04L45/18H04L45/20H04L45/36
    • The invention relates to a method for determining the routing direction of Ethernet frames in order to route them to a destination, e.g. a computer, by means of Ethernet switches, according to which a frame is received by a first switch (Sl). The first switch (Sl) determines that the source address of the frames is not a destination address that has been registered in the switch (Sl) for the routing of frames. The source address is registered by the first switch (Sl) as a new destination address (X) for the routing of frames. The first switch (Sl) then communicates the new destination address (X) to a second Ethernet switch (S2, S3) and when the destination address (X) has been received, the second switch (S2, S3) defines a routing direction for the frames to the new destination in the destination address (X).
    • 本发明涉及一种用于确定以太网帧的路由方向以便将它们路由到目的地的方法,例如, 计算机,借助于以太网交换机,由第一交换机(S1)接收帧。 第一交换机(S1)确定帧的源地址不是已经注册在交换机(S1)中用于帧路由的目的地地址。 源地址由第一交换机(S1)注册为用于帧的路由的新的目的地址(X)。 第一交换机(S1)然后将新的目的地地址(X)传送到第二以太网交换机(S2,S3),并且当已经接收到目的地地址(X)时,第二交换机(S2,S3) 到目的地地址(X)中的新目的地的帧。