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1. 发明申请

US20150312128A1 DATA PROCESSING 审中-公开
标题翻译：数据处理
公开(公告)号：US20150312128A1
公开(公告)日：2015-10-29
申请号：US14262609
申请日：2014-04-25
申请人： Metaswitch Networks Ltd
发明人： Casey DAVENPORT , Simon WINGROVE , Alex POLLITT , Spike CURTIS , Shaun CRAMPTON , Steve BALLS , Fiona CORDEN
IPC分类号： H04L12/26 , H04L12/751
CPC分类号： H04L45/02 , H04L45/64
摘要： Measures for processing data in a packet-switched network. A first device is configured to snoop control packets of a predetermined control plane protocol in the network. The predetermined control plane protocol is operated by a plurality of other devices in the network to obtain Layer 2 information on the basis of known Layer 3 information. The first device does not operate the predetermined control plane protocol in the network. At the first device, in response to identifying that a given snooped packet was generated according to the predetermined control plane protocol. Layer 3 information associated with a second device in the plurality is extracted from the given snooped control plane protocol packet on the basis of known Layer 2 information associated with the second device. The second device is connected to the first device.
摘要翻译：在分组交换网络中处理数据的措施。第一设备被配置为窥探网络中预定控制平面协议的控制分组。预定的控制平面协议由网络中的多个其他设备操作以基于已知的第3层信息获得第2层信息。第一设备不在网络中操作预定的控制平面协议。在第一设备处，响应于根据预定的控制平面协议识别给定的窥探分组被生成。基于与第二设备相关联的已知第二层信息，从给定的窥探控制平面协议分组中提取与多个中的第二设备相关联的第3层信息。第二个设备连接到第一个设备。

2. 发明申请

US20180359118A1 FLOW SYNCHRONIZATION 审中-公开
公开(公告)号：US20180359118A1
公开(公告)日：2018-12-13
申请号：US15970827
申请日：2018-05-03
申请人： Metaswitch Networks Ltd
发明人： Robert BROCKBANK , Alex POLLITT , Michael CURTIS , Shaun CRAMPTON
IPC分类号： H04L12/64 , H04L12/851 , H04L12/721 , H04L12/24
CPC分类号： H04L12/6418 , H04L41/0672 , H04L41/5096 , H04L45/38 , H04L47/2483
摘要： A controller node receives a list of a first plurality of flows programmed on a network switch. The controller node extracts a flow cookie value from a flow cookie data field of each flow in the first plurality of flows on the received list and calculates a session identifier on the basis of the extracted cookie values. At least one add flow command is transmitted from the controller node to the network switch to program a second plurality of flows on the network switch. The at least one add flow command comprises flow cookie values in the flow cookie data fields of each of the flows in the second plurality of flows which are set equal to the calculated session identifier. At least one delete flow command is transmitted from the controller node to the network switch to delete programming of the first plurality of flows on the network switch.

3. 发明申请

US20160127229A1 PACKET DATA ROUTING 有权
标题翻译：分组数据路由
公开(公告)号：US20160127229A1
公开(公告)日：2016-05-05
申请号：US14527575
申请日：2014-10-29
申请人： Metaswitch Networks Ltd
发明人： Simon WINGROVE , Michael CURTIS , Shaun CRAMPTON , Alex POLLITT
IPC分类号： H04L12/741
CPC分类号： H04L45/74 , H04L45/64
摘要： Measures, including methods, systems, non-transitory computer-readable storage mediums and computer programs for use in routing packet data. At a network switching device, a data packet is received from a device located upstream of the network switching device. The received data packet comprises routing data associated with a routing decision which has been taken for the data packet upstream of the network switching device. The routing data comprises an abstract media access control (MAC) address corresponding to a next hop destination for the data packet located downstream of the network switching device. At the network switching device, the abstract MAC address in the data packet is replaced with a real MAC address of the next hop downstream destination. At the network switching device, the data packet is forwarded towards the next hop downstream destination.
摘要翻译：措施，包括方法，系统，非暂时计算机可读存储介质和用于路由分组数据的计算机程序。在网络交换设备处，从位于网络交换设备上游的设备接收数据分组。接收到的数据分组包括与网络交换设备上游的数据分组已经采取的路由决定相关联的路由数据。路由数据包括对应于位于网络交换设备下游的数据分组的下一跳目的地的抽象媒体访问控制（MAC）地址。在网络交换设备中，数据包中的抽象MAC地址被下一跳下游目的地的真实MAC地址替换。在网络交换设备处，将数据分组转发到下一跳下游目的地。

4. 发明申请

US20160065696A1 NETWORK ROUTING 审中-公开
标题翻译：网络路由
公开(公告)号：US20160065696A1
公开(公告)日：2016-03-03
申请号：US14473680
申请日：2014-08-29
申请人： Metaswitch Networks Ltd
发明人： Fiona CORDEN , Steve BALLS , Alex POLLITT , Shaun CRAMPTON , Jonathan HARRISON , Jeff ROLLINS
IPC分类号： H04L29/06 , H04L12/713 , H04L12/715
CPC分类号： H04L69/08 , H04L45/586 , H04L45/64 , H04L67/2814 , H04L67/327
摘要： Measures for transferring routing protocol information between a software defined network and one or more external networks are provided. A control node in a software defined network (SDN) is configured to maintain a protocol information database comprising routing protocol information for one or more switching nodes in the SDN. In response to detecting occurrence of a predetermined trigger event, the control node modifies the routing protocol information in the protocol information database, and determines whether the one or more switching nodes include an edge switching node. In response to the determination, a routing protocol message is transmitted from the control node to the edge switching node for forwarding via an external network interface. The routing protocol message includes data generated on the basis of the modified routing protocol information.
摘要翻译：提供了在软件定义的网络和一个或多个外部网络之间传送路由协议信息的措施。软件定义网络（SDN）中的控制节点被配置为维护包括SDN中的一个或多个交换节点的路由协议信息的协议信息数据库。响应于检测到预定触发事件的发生，控制节点修改协议信息数据库中的路由协议信息，并确定一个或多个交换节点是否包括边缘交换节点。响应于该确定，路由协议消息从控制节点发送到边缘交换节点，以经由外部网络接口转发。路由协议消息包括基于修改的路由协议信息生成的数据。

5. 发明申请

US20160065482A1 DEVICE CONFIGURATION 有权
标题翻译：设备配置
公开(公告)号：US20160065482A1
公开(公告)日：2016-03-03
申请号：US14473971
申请日：2014-08-29
申请人： Metaswitch Networks Ltd
发明人： Michael CURTIS , Alex POLLITT , Simon WINGROVE , Shaun CRAMPTON
IPC分类号： H04L12/851 , H04L12/24 , H04L12/26
CPC分类号： H04L47/2483 , H04L41/0896 , H04L43/026 , H04L43/04 , Y02D50/30
摘要： Measures for configuring a network aggregation device in a network. First routing data for a plurality of internet protocol (IP) flows configured on at least one edge device of a service provider network is identified. The edge device is located towards the service provider network from the network aggregation device. At least one utility metric for at least one IP flow in the identified plurality of IP flows is calculated. The at least one utility metric is calculated at least in part on the basis of one or more destination IP addresses associated with the at least one IP flow. A subset of IP flows from the identified plurality of IP flows is selected at least in part on the basis of the calculated at least one utility metric. Second routing data for the selected subset of IP flows is configured on the network aggregation device.
摘要翻译：网络中配置网络聚合设备的措施。识别在服务提供商网络的至少一个边缘设备上配置的多个互联网协议（IP）流的第一路由数据。边缘设备从网络聚合设备定位到服务提供商网络。计算所识别的多个IP流中的至少一个IP流的至少一个效用度量。至少部分地基于与所述至少一个IP流相关联的一个或多个目的地IP地址来计算所述至少一个效用度量。至少部分地基于所计算的至少一个效用度量来选择来自所识别的多个IP流的IP流的子集。在网络聚合设备上配置所选择的IP流子集的第二路由数据。

6. 发明申请

US20160218964A1 VALIDATING A ROUTING FUNCTION 有权
标题翻译：验证路由功能
公开(公告)号：US20160218964A1
公开(公告)日：2016-07-28
申请号：US14608078
申请日：2015-01-28
申请人： Metaswitch Networks Ltd
发明人： Christopher LILJENSTOLPE , Simon WINGROVE , Michael CURTIS , Tom DENHAM , Paul TIPLADY , Alex POLLITT
IPC分类号： H04L12/721 , H04L12/26
CPC分类号： H04L45/14 , H04L41/0866 , H04L41/0893 , H04L45/56
摘要： Certain examples described herein provide a system and method for validating a routing function for a network device. In one example, a network device has a run-time policy engine, wherein the run-time policy engine implements a routing configuration file and the routing configuration file defines a routing function for network traffic. A file editor is also provided that loads the routing configuration file. The file editor has an editor policy engine that duplicates a functionality of the run-time policy engine. In one example, the routing configuration file has at least one validation portion that has one or more route statements with definitions indicative of expected routing function behavior. The file editor parses the routing configuration file by implementing the routing configuration file using the editor policy engine. The editor policy engine applies the routing function defined by the routing configuration file to the one or more route statements and indicates where a result of the routing function does not conform to the definitions indicative of expected routing function behavior. These examples may help to reduce routing errors due to configuration errors in network devices.
摘要翻译：本文描述的某些示例提供了用于验证网络设备的路由功能的系统和方法。在一个示例中，网络设备具有运行时策略引擎，其中运行时策略引擎实现路由配置文件，路由配置文件定义网络流量的路由功能。还提供了一个加载路由配置文件的文件编辑器。文件编辑器有一个编辑器策略引擎，它复制运行时策略引擎的功能。在一个示例中，路由配置文件具有至少一个验证部分，该验证部分具有一个或多个具有指示预期路由功能行为的定义的路由语句。文件编辑器通过使用编辑器策略引擎实现路由配置文件来解析路由配置文件。编辑器策略引擎将路由配置文件定义的路由功能应用于一个或多个路由语句，并指示路由功能的结果与指示预期路由功能行为的定义不一致。这些示例可能有助于减少由于网络设备中的配置错误导致的路由错误。

7. 发明申请

US20150312149A1 DATA PROCESSING 有权
标题翻译：数据处理
公开(公告)号：US20150312149A1
公开(公告)日：2015-10-29
申请号：US14262631
申请日：2014-04-25
申请人： Metaswitch Networks Ltd
发明人： Casey DAVENPORT , Simon WINGROVE , Alex POLLITT , Spike CURTIS , Shaun CRAMPTON , Steve BALLS , Fiona CORDEN
IPC分类号： H04L12/741 , H04L12/751
CPC分类号： H04L45/02 , H04L45/42 , H04L45/74
摘要： Measures for processing data in a packet-switched network. At a first device in the network, a packet transmitted from a second device in the network is received. The received packet comprising an Internet Protocol (IP) address for a third device in the network. On the basis of the IP address for the third device comprised in the received data packet, lookup in an IP routing table of the second device is initiated to obtain a next-hop address for the received packet. The obtained next-hop IP address is determined to be an IP address of a device connected to the first device.
摘要翻译：在分组交换网络中处理数据的措施。在网络中的第一设备处，从网络中的第二设备发送的分组被接收。所接收的分组包括网络中第三设备的因特网协议（IP）地址。基于接收到的数据包中包含的第三设备的IP地址，启动第二设备的IP路由表中的查找以获得接收到的分组的下一跳地址。获得的下一跳IP地址被确定为连接到第一设备的设备的IP地址。

8. 发明申请

US20150319094A1 FLOW SYNCHRONIZATION 有权
标题翻译：流同步
公开(公告)号：US20150319094A1
公开(公告)日：2015-11-05
申请号：US14267813
申请日：2014-05-01
申请人： Metaswitch Networks Ltd.
发明人： Robert BROCKBANK , Alex POLLITT , Spike CURTIS , Shaun CRAMPTON
IPC分类号： H04L12/851 , H04L12/24 , H04L12/721
CPC分类号： H04L12/6418 , H04L41/0672 , H04L41/5096 , H04L45/38 , H04L47/2483
摘要： A controller node receives a list of a first plurality of flows programmed on a network switch. The controller node extracts a flow cookie value from a flow cookie data field of each flow in the first plurality of flows on the received list and calculates a session identifier on the basis of the extracted cookie values. At least one add flow command is transmitted from the controller node to the network switch to program a second plurality of flows on the network switch. The at least one add flow command comprises flow cookie values in the flow cookie data fields of each of the flows in the second plurality of flows which are set equal to the calculated session identifier. At least one delete flow command is transmitted from the controller node to the network switch to delete programming of the first plurality of flows on the network switch.
摘要翻译：控制器节点接收在网络交换机上编程的第一多个流的列表。控制器节点从接收到的列表上的第一多个流中的每个流的流量cookie数据字段提取流量cookie值，并且基于所提取的cookie值计算会话标识符。至少一个添加流命令从控制器节点传送到网络交换机，以对网络交换机上的第二个多个流进行编程。所述至少一个添加流命令包括被设置为等于所计算的会话标识符的第二多个流中的每个流的流cookie数据字段中的流cookie值。至少一个删除流命令从控制器节点发送到网络交换机，以删除网络交换机上的第一多个流的编程。

9. 发明申请

US20150312129A1 DATA PROCESSING 有权
标题翻译：数据处理
公开(公告)号：US20150312129A1
公开(公告)日：2015-10-29
申请号：US14262639
申请日：2014-04-25
申请人： Metaswitch Networks Ltd
发明人： Casey DAVENPORT , Simon WINGROVE , Alex POLLITT , Spike CURTIS , Shaun CRAMPTON , Steve BALLS , Fiona CORDEN
IPC分类号： H04L12/26 , H04L12/751
CPC分类号： H04L45/02 , H04L45/26 , H04L45/64
摘要： Measures for processing data in a packet-switched network. At a first device in the network, an echo request packet is transmitted into the network. The echo request packet comprises a predetermined identifier. An echo response packet is received from a second device in the network. In response to the received echo response packet comprising the predetermined identifier, the received echo response packet is identified as a packet generated on the basis of an echo request packet originated from the first device, and an Internet Protocol (IP) address comprised in the received echo response packet is determined to be an IP address of the second device.
摘要翻译：在分组交换网络中处理数据的措施。在网络中的第一设备处，将回波请求分组发送到网络中。回波请求分组包括预定的标识符。从网络中的第二设备接收回应响应分组。响应于包含预定标识符的接收到的回波响应分组，接收到的回波响应分组被识别为基于从第一设备发起的回波请求分组生成的分组，以及包括在接收到的互联网协议（IP）地址回波响应分组被确定为第二设备的IP地址。

10. 发明申请

US20130329870A1 DATA COMMUNICATION 有权
标题翻译：数据通信
公开(公告)号：US20130329870A1
公开(公告)日：2013-12-12
申请号：US13967119
申请日：2013-08-14
申请人： Metaswitch Networks Ltd
发明人： Chris MAIRS , Felix PALMER , Alex POLLITT
IPC分类号： H04M3/533
CPC分类号： H04M3/53366 , H04M3/42059 , H04M3/42102 , H04M7/0027 , H04M7/0042 , H04M2207/12 , H04M2207/18 , H04M2207/203
摘要： A telephony user device capable of establishing a communications session for communication of data in a data communications network, the telephony user device including a processing system configured to provide a reconfigurable graphical user interface, establish a telephone call with a voicemail system, establish a separate communications session, separate from the telephone call, for the transfer of data to/from the telephony user device, on the basis of one or more call party details associated with the telephone call, and reconfigure at least a part of the graphical user interface in accordance with configuration data received via the separate communication session, the configuration data relating to and/or being derived from the voicemail system.
摘要翻译：一种电话用户设备，其能够建立用于在数据通信网络中的数据通信的通信会话，所述电话用户设备包括被配置为提供可重新配置的图形用户界面的处理系统，与语音邮件系统建立电话呼叫，建立单独的通信会话，与电话呼叫分开，用于基于与电话呼叫相关联的一个或多个呼叫方细节来传送数据到电话用户设备/从电话用户设备传送数据，并且根据该电话呼叫的至少一部分重新配置图形用户界面通过单独通信会话接收的配置数据，与语音邮件系统相关和/或从语音邮件系统导出的配置数据。

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