公开(公告)号：WO2019105856A1

公开(公告)日：2019-06-06

申请号：PCT/EP2018/082348

申请日：2018-11-23

Applicant: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY

Inventor： CURRY, Thomas ,  HUBERT, Malcolm

IPC: H04L12/703 ,  H04L12/707 ,  H04W40/02

CPC classification number: H04L45/28 ,  H04L45/22 ,  H04W40/02

Abstract: A communications router (6) is provided with an add-on device (7) for diverting data traffic over a replacement connection (70, 80) when a primary connection route (60) meets a failover criterion. Traffic addressed to an allocated network address associated with the primary connection (60) is diverted to a network termination of the replacement connection (70) by a routing function (31) if the replacement connection (70) has been authenticated by an authentication system (35). Authentication is provided by setting up an association between the internet IP address of the router (6) when addressed through the link (60), and a network identity of the add-in unit (7). This may achieved by having the add-on unit (7), when first installed, transmit its identity of a SIM over the fixed line connection (60) to the authentication system (35), which can then associate that SIM identity with the network address from which it has been received so that during a subsequent failover condition traffic addressed to the fixed-line network address can be diverted to the replacement connection, thereby allowing the same network address to be used during the failover condition.

公开(公告)号：WO2019062780A1

公开(公告)日：2019-04-04

申请号：PCT/CN2018/107766

申请日：2018-09-26

Applicant: ZTE CORPORATION

Inventor： MIRSKY, Gregory

IPC: H04L12/26 ,  H04L12/24

CPC classification number: H04L43/0852 ,  H04L43/106 ,  H04L43/12 ,  H04L43/50 ,  H04L45/22 ,  H04L45/26 ,  H04L45/50

Abstract: Residence time is a variable part of the propagation delay of the packet. Information about the propagation delay for each transient node can be used as performance metric to calculate the Traffic Engineered route that can conform to delay and delay variation requirements. In an exemplary embodiment, a computing device uses special test packets to measure residence time. The computing device calculates routes to direct special test packets to one or more nodes. A node may calculate the residence time metric, such as a residence time variation (RTV), or residence time (RT) per ordered set of ingress and egress interfaces of the node. The computing device may also collect the residence time metric per test set from each node and may use this information to calculate the Test Engineered route.

公开(公告)号：WO2018233027A1

公开(公告)日：2018-12-27

申请号：PCT/CN2017/099659

申请日：2017-08-30

Applicant: 深圳市盛路物联通讯技术有限公司

Inventor： 杜光东

IPC: H04L12/711 ,  H04L29/08 ,  H04W4/00 ,  H04W4/02 ,  H04W4/18

CPC classification number: H04L45/22 ,  H04L67/12 ,  H04L67/18 ,  H04L67/2823 ,  H04W4/025 ,  H04W4/18

Abstract: 本发明涉及物联网技术领域，具体涉及一种物联网中选择转发路径进行数据上报的方法及设备，该方法包括：物联网接入节点接收过滤网关下发的数据上报指示消息并存储，且在检测到其无线覆盖范围内的海量终端设备发起的所有物联网数据中存在该数据上报指示消息所指示的目标物联网数据时，从预置的邻区路由信息表中选择两条转发路径，包括主转发路径和辅转发路径，在将该所有物联网数据封装成数据元之后，物联网接入节点通过主转发路径上报该数据元且在上报不成功时，通过辅转发路径上报该数据元。实施本发明实施例能够提高汇聚单元接收到其需要的且上报频率较低的物联网数据的可靠性。

公开(公告)号：WO2018178918A1

公开(公告)日：2018-10-04

申请号：PCT/IB2018/052177

申请日：2018-03-29

Applicant: TEJAS NETWORKS LIMITED

Inventor： MADAIAH, Vinod Kumar ,  SUDHEER KUMAR, Anuchuru

IPC: H04L12/801 ,  H04L12/725

CPC classification number: H04L45/123 ,  H04L45/22

Abstract: The present disclosure is related in general to network management providing method and system for determining data flow paths for communicating data packets/bits in a communication network. A network management system determines number of data flow paths required between source and destination network element within the communication network and determine a shortest data flow path between them using predefined data flow path determining techniques. Further, zero weightage is assigned to each edge of the total number of data flow paths excluding each edge of the shortest data flow path to obtain modified graph of the communication network. Using the modified graph, alternative shortest data flow paths are determined. The shortest and the alternative shortest data flow paths are determined without modifying existing nodes i.e. without splitting nodes in data flow path, thereby reducing complexity and time taken in determining the shortest and the alternative shortest data flow paths.

公开(公告)号：WO2017175033A1

公开(公告)日：2017-10-12

申请号：PCT/IB2016/051951

申请日：2016-04-06

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： RAJURE, Abhay

IPC: H04L12/755 ,  H04L12/707

CPC classification number: H04L45/021 ,  H04L45/22

Abstract: Methods and apparatuses for enabling nonstop routing are described. One or more transport protocol packets are received (4a) at a first network element, NE, 101A from a peer network device 102, where the one or more transport protocol packets include a routing protocol message associated with a routing protocol session established between the first network element 101A and the peer network device 102. The routing protocol message is retrieved (4b) and a synchronization message is transmitted (5) to a second network element 101B, where the second network element 101B and the first network element 101A are part of a redundancy system 101. The synchronization message includes the retrieved routing protocol message, an identifier of a transport protocol session associated with the routing protocol session, and current transport protocol states associated with the transport protocol session. Flow then moves to operation (6a) at which NE 101B transmits an acknowledgment message to the active NE confirming the receipt of the synchronization message. The standby NE 101B updates (6b) routing protocol information and uses the mapping information stored at the NE to update the local transport protocol session associated with the transport protocol session of the active NE 101 A identified in the synchronization message. Thus instead of transmitting all transport protocol packets (TCP segments) received at the active NE 101A to be processed by a transport stack (TCP stack) of the standby NE 101B for determining current transport states and/or updated routing protocol information (transmitted within the TCP segments) as performed in prior art techniques, the embodiments of the present invention process the transport packets at the active NE 101A and transmit only relevant information that may be needed to seamlessly transition the TCP sockets from the NE 101A to the NE 101B when a switchover occurs in the redundancy system.

Abstract translation: 描述了用于实现不间断路由的方法和装置。 在来自对等网络设备102的第一网络元件NE 101A处接收（4a）一个或多个传输协议分组，其中一个或多个传输协议分组包括与在第一网络元件NE 网络元件101A和对等网络设备102.路由协议消息被检索（4b）并且同步消息被发送（5）到第二网络元件101B，其中第二网络元件101B和第一网络元件101A是 冗余系统101.同步消息包括所检索的路由协议消息，与路由协议会​​话相关联的传输协议会话的标识符以及与传输协议会话相关联的当前传输协议状态。 然后，流程转到操作（6a），在该操作处，NE 101B向主动NE发送确认消息，确认接收到同步消息。 备用NE 101B更新（6b）路由协议信息并且使用存储在NE处的映射信息来更新与同步消息中标识的主动NE 101A的传输协议会话相关联的本地传输协议会话。 因此，不是发送在主动NE 101A处接收到的待由备用NE 101B的传输堆栈（TCP堆栈）处理的所有传输协议分组（TCP分段）以用于确定当前传输状态和/或更新的路由协议信息 TCP分段），本发明的实施例在主动NE 101A处理传输分组，并且仅传输可能需要的相关信息，以便将TCP套接字从NE 101A无缝地转换到NE 101B 切换发生在冗余系统中。

公开(公告)号：WO2017157801A1

公开(公告)日：2017-09-21

申请号：PCT/EP2017/055717

申请日：2017-03-10

Applicant: SCHLAMP, Johann

Inventor： SCHLAMP, Johann

IPC: H04L12/715

CPC classification number: H04L63/1466 ,  H04L45/04 ,  H04L45/22 ,  H04L63/1416 ,  H04L2463/146

Abstract: In an example method, a computer system retrieves a plurality of data items. Each data item indicates a respective network route on the network. The computer system determines a route automaton based on the plurality of data items. The route automaton includes a representation of the network routes. The computer system determines one or more routing policies on the network based on the route automaton. The method can be used to detect one or more routing policies on a network.

Abstract translation: 在示例方法中，计算机系统检索多个数据项。 每个数据项表示网络上的相应网络路由。 计算机系统基于多个数据项来确定路线自动机。 路由自动机包括网络路由的表示。 计算机系统基于路由自动机来确定网络上的一个或多个路由策略。 该方法可用于检测网络上的一个或多个路由策略。

公开(公告)号：WO2017147076A1

公开(公告)日：2017-08-31

申请号：PCT/US2017/018730

申请日：2017-02-21

Applicant: IDAC HOLDINGS, INC.

Inventor： COMINARDI, Luca ,  MOURAD, Alain ,  PRAGADA, Ravikumar V. ,  CASTOR, Douglas R.

IPC: H04L12/701

CPC classification number: H04L45/22

Abstract: Methods, apparatuses, systems, devices, and computer program products directed to common transport of backhaul and fronthaul traffic (collectively "crosshaul traffic") are provided. Among new methodologies and/or technologies provided herein is a crosshaul common frame (XCF) adapted to carry, among other information, new control information for enabling optimized forwarding and/or management of any packet-based crosshaul traffic. The optimized forwarding and/or management may be enhanced with segment routing adaptation of the XCF. And pursuant to the XCF being MAC-in-MAC protocol compatible, not only can the forwarding of the XCF be carried out by packet switching elements supporting common XCF-domain forwarding and management controls (and hence, capable of utilizing the new control information), but also by legacy MAC-in-MAC protocol (Ethernet) switches not under the XCF-domain common forwarding control.

Abstract translation: 提供了针对回程和前传业务的共同传输（统称为“交叉路由业务”）的方法，设备，系统，设备和计算机程序产品。 在此提供的新方法和/或技术中，适用于携带用于实现任何基于分组的交叉路由业务的优化转发和/或管理的新控制信息等的适用于携带其他信息的跨路共用帧（XCF）。 优化的转发和/或管理可以通过XCF的分段路由适配来增强。 并且，根据兼容MAC-in-MAC协议的XCF，XCF的转发不仅可以由支持公共XCF域转发和管理控制的分组交换单元执行（并且因此能够利用新的控制信息） ，而且也不受XCF域通用转发控制下的传统MAC-in-MAC协议（以太网）交换机的限制。

公开(公告)号：WO2017129229A1

公开(公告)日：2017-08-03

申请号：PCT/EP2016/051561

申请日：2016-01-26

Applicant: NEC EUROPE LTD.

Inventor： BIFULCO, Roberto ,  KUENZER, Simon

IPC: H04L12/801 ,  H04L12/707

CPC classification number: H04L45/22 ,  H04L47/193

Abstract: A method for establishing a TCP connection between a first end-point (1) and a second end-point (3) aims at reducing TCP end-to-end transfer time and thereby accelerating the data transfer. The method comprises: establishing a first TCP connection between said first end-point (1) and said second end-point (3), said second end-point (3) dynamically deciding on redirecting said first TCP connection via a chain of proxies (5) that interconnects said first and said second end-points (1; 3), in case of a redirection decision by said second end-point (3), said first end- point (1) establishing a new TCP connection with the first proxy (5-1) of said chain of proxies (5), and establishing a segmented TCP connection between said first end-point (1) and said second end-point (3) via said chain of proxies (5) and transferring data between said first end-point (1) and said second end-point (3) through said chain of proxies (5).

Abstract translation: 用于在第一端点（1）和第二端点（3）之间建立TCP连接的方法旨在减少TCP端到端传送时间并由此加速数据传送 。 该方法包括：在所述第一端点（1）和所述第二端点（3）之间建立第一TCP连接，所述第二端点（3）通过代理链动态地决定所述第一TCP连接的重定向 5），在由所述第二端点（3）进行重定向决定的情况下，所述第一端点（1）与所述第一端点（1; 3）建立新的TCP连接 所述代理链（5）的代理（5-1），以及经由所述代理链（5）在所述第一端点（1）和所述第二端点（3）之间建立分段的TCP连接并且将数据 在所述第一端点（1）和所述第二端点（3）之间通过所述代理链（5）。

公开(公告)号：WO2017118383A1

公开(公告)日：2017-07-13

申请号：PCT/CN2017/070167

申请日：2017-01-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： JADHAV, Rahul Arvind ,  MARIAPPAN, Vijayachandran ,  SAHOO, Rabi Narayan

IPC: H04L12/801 ,  H04L12/721

CPC classification number: H04L45/125 ,  H04L45/22 ,  H04L45/24 ,  H04L45/48 ,  H04W40/04 ,  H04W40/34

Abstract: In one implementation, the present invention provides a mechanism for balanced ad-hoc network formation. To achieve the for balanced ad-hoc network formation, the present invention sends the metric information with DIO control message. A new metric container type is introduced in RPL to hold the metric information, and select the parent with minimum path cost, and switch the parent with minimum path cost, as per the defined logic. A stateless metric considers that the average traffic flow from each node is approximately same. The stateless metric directly uses the number of routing table entries (RT size ) to decide which path to use. A stateful metric, wherein the node keeps a track of packets processed per second by itself. For stateful metric, the node maintains packets processed rate (PPR) variable, which is then used as the metric.

Abstract translation: 在一个实现中，本发明提供了一种用于平衡自组织网络形成的机制。 为了实现平衡ad-hoc网络形成，本发明发送具有DIO控制消息的度量信息。 RPL中引入了新的度量容器类型来保存度量信息，并选择具有最小路径成本的父级，并根据定义的逻辑以最小路径成本切换父级。 无状态度量认为来自每个节点的平均流量大致相同。 无状态指标直接使用路由表条目的数量（RT _{size ）来决定使用哪条路径。 有状态度量，其中节点保持自己每秒处理的包的轨迹。 对于有状态度量，节点维护数据包处理速率（PPR）变量，然后将其用作度量。}

公开(公告)号：WO2017106206A1

公开(公告)日：2017-06-22

申请号：PCT/US2016/066406

申请日：2016-12-13

Applicant: CUJO LLC

Inventor： DE ALVARENGA BASTOS, Pedro

IPC: G06F15/173 ,  H04L12/46 ,  H04L29/06 ,  H04L29/08

CPC classification number: H04L63/0254 ,  H04L12/2823 ,  H04L45/22 ,  H04L61/2015 ,  H04L61/6095 ,  H04L63/1425 ,  H04L67/125

Abstract: A system and method for intercepting intra-network traffic for smart appliance behavior analysis. A network traffic hub is configured to intercept network traffic between a switch and a router. A smart appliance sends a message to the router, such as a DHCP request when the smart appliance joins the network. The router sends a response to the smart appliance. The network traffic hub intercepts and modifies the response to instruct the smart appliance to send all future intra-network traffic through the network traffic hub and the router. In some embodiments, the network traffic hub alters a network mask in the response message to instruct the smart appliance to send traffic through the network traffic hub. The network traffic hub then extracts data from the network traffic and uses that data for behavior analysis of smart appliances.

Abstract translation: 用于拦截智能设备行为分析的网络内流量的系统和方法。 网络流量中心配置为拦截交换机和路由器之间的网络流量。 智能设备向路由器发送消息，例如智能设备加入网络时的DHCP请求。 路由器向智能设备发送响应。 网络流量中心拦截并修改响应以指示智能设备通过网络流量中枢和路由器发送所有未来的网内流量。 在一些实施例中，网络业务集线器改变响应消息中的网络掩码以指示智能设备通过网络业务集线器发送业务。 网络流量中心然后从网络流量中提取数据并使用该数据进行智能设备的行为分析。