30 results about "Hop (networking)" patented technology

The invention provides a multi-point networking tunnel configuration optimization method and device, and relates to the technical field of computer networks, and the method comprises the following steps: a branch router sends registration information to a central router through a next hop analysis protocol; wherein the registration information comprises a public network IP address of a branch router and a virtual private network IP address of the branch router; the central router obtains a first dynamic address mapping table based on the mapping relation between the public network IP address and the virtual private network IP address, and sends confirmation information to the branch router; the branch router verifies whether the tunnel connection with the central router is successfully established based on the confirmation information; and when the tunnel connection between the branch routers and the central router is successfully established, completing multi-point networking tunnel configuration optimization. According to the invention, the efficiency and quality of network communication are improved, the stability and reliability of the network are enhanced, and powerful support is provided for network communication of modern enterprises.

The subject matter of this disclosure relates in general to the field of computer networking, and more particularly, to systems and methods for discovery of a tunnel for wide area network. Certain aspects provide a method for network path analysis. The method includes sending a first probe packet configured to identify a network tunnel, wherein the first probe packet includes an identifier of the first probe packet and a first time to live (TTL) value that corresponds to a first network hop; receiving a first response message from the first network hop in the network tunnel, wherein the first response message corresponds to the first probe packet and includes the identifier of the first probe packet; and analyzing the network tunnel based on the first response message including the identifier of the first probe packet.

The present disclosure relates to a technical field of intelligent computing centers, and particularly to methods and apparatuses for handling a link failure, a storage medium, and a program product. The method is performed by a target network apparatus in a forwarding path in a networking to forward a target flow based on flow entries; where each of network apparatuses in the networking advertises or forwards a host route of a computing resource accessed by the networking to other network apparatuses in the networking based on a dynamic routing protocol; where the method includes: receiving a first flow entry sent by a controller, where the first flow entry is for forwarding the target flow, and the first flow entry includes a source network address, a destination network address, an egress interface, and information of a next hop apparatus of the target flow; monitoring a status of a link associated with the first flow entry; deleting the first flow entry in response to detecting that the link associated with the first flow entry faults; and forwarding the target flow based on the destination network address of the target flow and a dynamic routing entry.

The application provides a heterogeneous route switching method and device, which is applied to at least two heterogeneous routes and comprises the following steps: obtaining route level numbers of a first route and a second route, wherein the route level number of the first route is greater than the route level number of the second route; constructing at least one virtual hop block for the second route according to the route level number of the first route, so that the route level number of the second route is the same as or one level higher than the route level number of the first route; the highest route level of the at least one virtual hop block points to the second highest route level of the virtual hop block of the second route, and points to the hop block of the first route which has the same route level as the second highest route level of the virtual hop block of the second route; and switching between the first route and the second route through the highest route level of the at least one virtual hop block. By using the above method, the quick and stable switching of the route in the heterogeneous networking scene of different bearing technologies can be realized.

A traffic manager obtains (a) a representation of an association between a set of networking destinations and a routing option group, and (b) a policy for selecting routing options from the group for network packets. For a network packet directed to one of the destinations, the traffic manager selects one of the routing options of the group based on the policy, and causes the packet to be transmitted to the destination along a path. The path includes, as a next-hop address, a network address associated with the selected routing option.

The present invention discloses a method and a system for wireless multi-hop networking based on a device provisioning protocol (DPP). The method includes the steps of receiving DPP configuration information of a mobile station by a terminal unsupportive of the DPP, sending the DPP configuration information of the mobile station to an access point by a cloud, wherein the access point and the mobile station are both supportive of the DPP, and controlling the access point to network with the mobile station according to the DPP configuration information of the mobile station such that the access point and the mobile station are integrated into a wireless multi-hop network. This solution for wireless multi-hop networking enhances the compatibility and networking efficiency with reduced resource consumption.

The present invention discloses a networking protocol design method for collaborative over-the-air computing in a highly hostile environment. This method primarily addresses the existing problems of poor data transmission reliability, high protocol complexity, and high control overhead in self-organizing networks. The implementation scheme comprises: designing a networking protocol frame structure comprising control time slots and service time slots, obtaining the full network topology within the control time slot; calculating the shortest path based on the full network topology; finding Y sub-shortest paths based on the shortest path calculation, and selecting m paths with the same number of hops from these Y paths as the active paths; a source node searches for time slots outside the two-hop range for all nodes; based on the found time slots outside the two-hop range, the source node finds all available time slots for relay nodes along the path using the node adjacency matrix; and filling all available time slots for all relay nodes along the path into a data packet, which is then distributed to the relay nodes. The present invention offers high reliability, low protocol complexity, and low control overhead, and can be used in the MAC layer and network layer of self-organizing networks of unmanned systems.

The invention relates to a virtual network node networking system, a fault prediction method, a fault prediction device and a program product, and relates to the field of network security, a virtual network node access module embeds an operation and maintenance information field into an internet protocol security data packet extension header, realizes close combination of operation and maintenance information and service data, does not need an additional transmission channel, and improves the operation and maintenance efficiency. And the timeliness and accuracy of operation and maintenance information are improved. The hop-by-hop measurement module can update operation and maintenance information fields in real time, accurately capture network dynamic changes, and provide support for fault diagnosis and performance optimization. The fault prediction module carries out fault prediction based on the multi-dimensional feature data, gives out early warning in advance, provides a time window for operation and maintenance personnel, and reduces the fault influence. The active detection and link switching module guarantees the service continuity, the main link can be rapidly switched to the standby link when the main link is abnormal, a basis is provided for dynamic optimization of the network, and the utilization rate of network resources and the service quality of services are improved.

The application relates to the technical field of computer network communication, and discloses an adaptive Mesh network architecture construction method for industrial Internet of Things hybrid networking, comprising the following steps: when a node in a network receives a data packet to be forwarded, a data quantum state label encapsulated in the data packet is acquired, the data quantum state label is used for representing potential demand intensity of the data packet on different network service quality dimensions; the node calculates a comprehensive cost for forwarding the data packet for each next-hop neighbor node; the comprehensive cost is calculated in combination with matching degrees between the data quantum state label and path capabilities related to the next-hop neighbor node. Through the accurate and differentiated matching of network resources to service demands, a solid foundation is provided for guaranteeing the service quality of key services in complex industrial scenarios, and accurate and selective avoidance of related data flow is realized, so that the load balancing capability and overall throughput of the network are effectively improved.

The invention relates to a terminal-to-terminal multi-hop communication method, device and system and user equipment. The method comprises the following steps: receiving a request message, wherein the request message comprises proximity service information; under the condition that the proximity service information is matched with any piece of preset proximity service information from the UE to the UE relay UE, sending a next-hop request message; a response message is received, a next-hop response message corresponding to the response message is sent, and the destination address of the next-hop response message is the source address identifier of the request message. According to the method, a solution for U2U multi-hop relay networking can be provided.

The invention provides an Internet of Things networking method and system based on LoRa Mesh, and relates to the technical field of Internet of Things networking. The system is composed of a gateway node with LoRa and cellular communication capability, a relay node supporting routing forwarding and low-power-consumption standby and multiple types of terminal nodes, and comprises a radio frequency identification unit, a data acquisition unit and a sensing unit. The method comprises the following steps: establishing a data channel between a local Mesh network and a public network through a gateway; the relay node expands network coverage; the terminal node is dormant in a non-communication period, and is awakened and reported at an acquisition moment or when an event is triggered; the Mesh routing dynamically selects a path according to link quality, energy consumption and hop count, and supports self-healing reconstruction when a node fails; the gateway receives the data and then uploads the data through a cellular network, and a downlink instruction is transmitted in a terminal wake-up window hop by hop to complete interaction. According to the invention, low-power-consumption operation, wide-area coverage and high-reliability data transmission are realized, and unified access of multiple types of terminals is supported.

In one embodiment, a network device along a path in a network receives a schedule that controls when the networking device is to insert telemetry data into data traffic passing through the networking device. The networking device generates the telemetry data for insertion into the data traffic passing through the networking device. The networking device inserts, according to the schedule, the telemetry data into a particular packet of the data traffic passing through the networking device. The networking device sends the particular packet to a next hop along the path in the network.

A computer-networking system is described to leverage traffic splits naturally occurring in Clos fabrics along the path to a top tier of the fabric. Using the traffic splits, a result similar to or the same as WECMP can be implemented but using less network-device overhead. The system introduces another level of indirection abstracting sets of outgoing next hops across tier 1 devices in the fabric and leveraging ECMP or WECMP to manage the capacity. Incoming traffic flows are split as they get forwarded across the fabric due to the fabric's topology, routing design, and / or the pattern of external connections. These traffic splits are leveraged in creating forwarding tables for the network devices, thereby making the scaling model for WECMP a function of the outgoing external connections of the fabric rather than the number of traffic flow destinations in the network domain.

The invention discloses a terminal-to-network multi-hop automatic networking method, device and equipment. The method comprises the following steps: relay UE (User Equipment) determines next-hop relay UE from the relay UE to a base station; determining the hop count from the relay UE to a base station based on the hop count of the next hop of relay UE; broadcasting the hop count from the relay UE to a base station; the remote UE determines next-hop relay UE from the remote UE to the base station; and sending a first request message to the next hop relay UE, wherein the first request message is used for the remote UE to request to establish a connection with the base station. According to the method and the device, in a multi-hop relay scene, both the remote UE and the relay UE can quickly determine the hop counts away from the base station, the next hop selection can be independently carried out, and a multi-hop path reaching the base station is established.

The invention provides a network node management method and system based on a digital network, and relates to the technical field of the digital network, and the method comprises the steps: determining a root node according to the node state information in the digital network; according to the received registration request information of all the nodes, the root node creates a node information list and distributes the node information list to other nodes; the node sends a discovery message and updates a self one-hop neighbor node list and a self two-hop neighbor node list based on the received discovery message; updating a relay node list of the node according to the one-hop neighbor node list and the two-hop neighbor node list of the node; sending a topology control message through a relay node, and updating a self network topology table based on the received topology control message; according to the network topology table of the node, determining an optimal path from the node to other nodes and updating a routing table; and according to the node information list, determining a target node where the requested data is located through the data request node, and requesting the data to the target node based on a self routing table. The invention aims to improve the stability of a digital networking system.

The invention relates to the technical field of computer network communication, and discloses an adaptive Mesh network architecture construction method for hybrid networking of industrial Internet of Things, which comprises the following steps: when a node in a network receives a data packet to be forwarded, obtaining a data quantum state label packaged in the data packet, the data quantum state label is used for representing potential demand intensity of the data packet for different network service quality dimensions; the node calculates a comprehensive cost for forwarding the data packet for each next-hop neighbor node; the calculation of the comprehensive cost is combined with the matching degree between the data quantum state label and the path capability related to the next-hop neighbor node. According to the invention, accurate and differentiated matching from network resources to service requirements is realized, a solid foundation is provided for guaranteeing the service quality of key services in a complex industrial scene, accurate and selective avoidance of related data streams is realized, and the load balancing capability and the overall throughput of the network are effectively improved.

The invention discloses a hybrid networking routing method and system for communication service QoS guarantee, and the method comprises the steps: judging a source node and a destination node of a service, generating all minimum hop count paths from the source node to the destination node through a path planning algorithm, and taking the minimum hop count paths as a candidate routing set; and on the basis of the candidate route set, quantitative evaluation is carried out on each path in the candidate route set by using a cost function, an optimal route is selected according to an evaluation result, and the cost function is composed of time delay, reliability and bandwidth availability. According to the method, the time delay, the reliability and the bandwidth availability of the path are comprehensively considered through the cost function, and the selected route can be well balanced in the three key dimensions, so that stable and reliable transmission support is provided for various communication services; the problems of service interruption, data loss or too high delay and the like caused by improper routing selection are reduced, and the basic guarantee requirement for service QoS in hybrid networking is met.

The application relates to a networking method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring node power and node hop count of a to-be-judged management node; determining that the to-be-judged management node is a candidate management node when the node power and the node hop count of the to-be-judged management node meet preset first judgment conditions; acquiring node connection number and queue cache depth of the candidate management node; and determining that the candidate management node is a first management node when the node connection number and the queue cache depth of the candidate management node meet preset second judgment conditions. The first management node is used for establishing a networking connection with a to-be-accessed node. The method can improve the stability of networking.

Datalink (data link) frames or networking packets contain protocol information. A system and method is disclosed where part of or all of the protocol information is contained in the same data link frame as network packet or another datalink frame referred to as STPI. The STPI contains enough protocol information to identify the source of the datalink, the destination and the next hop node or port. STPI sent in a datalink frame can be a request feed-back to avoid network congestion. The request STPI will be a pause or slow down request and comprise the source, destination and class of the datalink frames that are causing the congestion. There will be one datalink frame or packet for each non-request STPI, called DFoNP, containing data. The creation of STPI and DFoNP is done by the originator of the network packet such as an end node.

The invention provides a hop-by-hop network detection and data drainage method and system. The method comprises the following steps: S1, dividing a network into a plurality of network domains; s2, initiating path detection to obtain a detection result; s3, calculating an optimal path based on a detection result, and generating a forwarding strategy; step S4, based on the forwarding strategy, providing an interface to the outside for guiding generation of a forwarding path and a forwarding behavior; and S5, maintaining and detecting the link state. According to the method, a network link detection scheme is planned and implemented from the perspective of a software-defined network, and equipment manufacturers are guided to perform function research and development through a user-defined interface. By means of link analysis indexes with rich functions, the problem of low fault positioning efficiency in a multi-hop network is solved, hop-by-hop visualization of a link state is realized, a basis is provided for network traffic engineering, a forwarding strategy is generated, and a fine customized forwarding service is provided for each service.

The present application relates to a user-to-user multi-hop communication method, apparatus, and system, and a user equipment. The method comprises: receiving a request message, the request message comprising proximity service information; when the proximity service information matches any preset proximity service information of a UE-to-UE relay UE, sending a next-hop request message; and receiving a response message and sending a next-hop response message corresponding to the response message, the destination address of the next-hop response message being a source address identifier of the request message. According to the method, a U2U multi-hop relay networking solution can be provided.

The present application provides a network node management method and system based on a data networking, relating to the technical field of data networking. The method includes: determining a root node according to node status information in the data networking; creating a node information list by the root node according to received registration request information of all nodes and distributing the list to other nodes; a node sending discovery messages and updating its one-hop and two-hop neighbor node lists based on the received discovery messages; updating the relay node list of the node according to the one-hop and two-hop neighbor node lists of the node; sending topology control messages through relay nodes and updating its own network topology table based on the received topology control messages; determining the best path from the node to other nodes according to the network topology table of the node and updating the routing table; determining a target node where requested data is located by a data request node according to the node information list and making a data request to the target node based on its own routing table. The aim is to improve the stability of the data networking system.

The invention discloses a narrow-band ad hoc network topology detection method, which comprises the following steps: in response to a topology pull-up request from a dispatching desk, feeding back a topology pull-up response to the dispatching desk, including the hop count of 1, or constructing the topology pull-up request and sending the topology pull-up request to an air interface; and in response to a topology pull-up request from the air interface, adding 1 to the hop count in the topology pull-up request, and feeding back a topology pull-up response or forwarding the topology pull-up request to the air interface. The invention further comprises a device for implementing the method. According to the scheme, the problem that the ad hoc network in the prior art cannot detect the topological relation of the networking nodes is solved.

Datalink (data link) frames or networking packets contain protocol information. A system and method is disclosed where part of or all of the protocol information is contained in the same data link frame as network packet or another datalink frame referred to as STPI. The STPI contains enough protocol information to identify the source of the datalink, the destination and the next hop node or port. STPI sent in a datalink frame can be a request feed-back to avoid network congestion. The request STPI will be a pause or slow down request and comprise the source, destination and class of the datalink frames that are causing the congestion. There will be one datalink frame or packet for each non-request STPI, called DFoNP, containing data. The creation of STPI and DFoNP is done by the originator of the network packet such as an end node.

The invention provides a full internet two-layer networking configuration method and system, and the method comprises the steps: issuing a first broadcast rule, a second broadcast rule and a third broadcast rule, and after a broadcast message, a multicast message and an unknown unicast message enter a first hop forwarding device, matching the first broadcast rule, and executing a default broadcast mechanism; when the broadcast message and the multicast message enter the second-hop forwarding device, the broadcast message and the multicast message are matched and execute a second broadcast rule with a higher priority, so that the broadcast message and the multicast message are broadcasted to an access port of the second-hop forwarding device, and the message can be prevented from being continuously sent to other forwarding devices; when the unicast message enters the second-hop forwarding equipment, if the second-layer forwarding table fails to be searched, the third broadcast rule with the higher priority is matched and executed, so that the unknown unicast message is broadcasted to the access port of the second-hop forwarding equipment, and the message can be prevented from being continuously sent to other forwarding equipment. According to the invention, the generation of the forwarding loop in the two-layer networking of the full internet can be effectively reduced, and the high-density link of the full internet can be fully utilized.

According to the ultra-narrow-band high-difference link adaptive transmission method provided by the invention, cross-layer joint design is adopted, uniform addressing is carried out on a transmission layer and a network layer, and transmission redundancy is reduced; a dynamic and static combined routing strategy is adopted, a static networking protocol is operated on a narrowband means, protocol overhead is compressed, a dynamic networking protocol is operated on a broadband link, and networking flexibility is improved; a hop-by-hop and cross-hop combined strategy is adopted, and multi-route, multi-means and multi-link complementation and mutual backup are adopted, so that the survivability of the network is improved, and the efficiency and reliability of information transmission are enhanced; a heterogeneous means fusion strategy is adopted, space-based, ground, underwater and other multi-type heterogeneous communication means are comprehensively utilized, on demand, broadcasting and other mechanisms are fused, and space-air-ground three-dimensional coverage of the network is achieved.

The invention discloses an on-satellite distributed destroy-resistant networking method based on a Gray code level weight. The method comprises the following steps: setting a threshold between cluster members and a hop weight constraint between cluster heads to perform Gray code addressing on all nodes; calculating a Hamming distance between nodes in each cluster and a total communication distance between the clusters, and dynamically adjusting a distance weight matrix between cluster heads; if the source node and the target node are in the same cluster, performing intra-cluster communication, otherwise, performing inter-cluster direct communication when the inter-cluster communication total distance is smaller than or equal to the inter-cluster member threshold value, and performing inter-cluster indirect communication when the inter-cluster communication total distance is larger than the inter-cluster member threshold value; and when the cluster head fails, triggering a cluster head fault-tolerant mechanism of the on-satellite distributed survivability networking. According to the method, efficient intra-cluster and inter-cluster communication can be realized, and meanwhile, the robustness of the network and the communication reliability are improved.

The invention relates to a self-adaptive dynamic routing method and system based on Mesh networking, and the method comprises the following steps: counting the number of times of successful message transmission of a route in unit time, calculating the total hop count of the route in a message transmission process, and recording the average end-to-end delay time of the message; carrying out normalization processing on the number of times of successfully transmitting messages by the route, the total hop count of the route and the delay time to obtain normalized parameters; constructing an evaluation matrix by using the normalized parameters, and calculating an entropy value by using an entropy weight method; substituting the entropy value into a weight algorithm, and calculating to obtain a routing weight; and the route weights and the normalized parameters are imported into a scoring algorithm for calculation, comprehensive weighting scores are obtained, and the first several routes with the highest comprehensive weighting scores are selected as the optimal routes. Compared with the prior art, reliability and adaptability can be improved, energy consumption can be reduced, and deployment is more convenient.

The invention discloses a method for establishing an active and passive hybrid connection dominating set, which is used for constructing a virtual backbone network of a wireless self-organizing network. According to the method, based on traditional heuristic algorithms UCDS and N-UCDS, only a local two-hop topology is constructed, for a situation 2 in a CS exception rule needing three-hop topology information, a DS node sends a link query message to a non-DS node, a node connection relation is obtained, CS node judgment is carried out according to a reply message, and an active and passive hybrid judgment mode is formed. By adopting the method provided by the invention, the convergence speed is accelerated under the condition that the accuracy is not lost, and the construction of the two-hop topology can effectively reduce the node storage demand, reduce the broadcast overhead, accelerate the selection of the virtual backbone nodes, reduce the networking time delay and further improve the network stability and adaptability.