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50 results about "Routing Information Protocol" patented technology
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The Routing Information Protocol (RIP) is one of the oldest distance-vector routing protocols which employ the hop count as a routing metric. RIP prevents routing loops by implementing a limit on the number of hops allowed in a path from source to destination. The largest number of hops allowed for RIP is 15, which limits the size of networks that RIP can support.
Zero configuration networking
The Routing Information Protocol [RIP] is extended to include a network-wide unique interface identifier [UID] that allows the zeroconfiguration multiple router [R1, R2] network to detect subnet conflicts. Detected conflicts are automatically repaired by the respective routers assigning and advertising new subnet mappings. The extended, Zeroconfiguration Routing Information Protocol [ZRIP] employs a NORMAL / CHANGE status flag associated with each routing table entry to resolve ambiguity between normal routing advertisements and conflict notifications. Address re-mapping and name-to-address resolution is provided to support both network address translation [NAT] and virtualized address paradigms.
Owner:PANASONIC CORP
Structure optimization method for measurement matrix in image reconstruction based on compressed sensing
InactiveCN107516301AFast constructionEasy to implementImage enhancementImage analysisPattern recognitionSignal-to-noise ratio (imaging)
The invention discloses a structure optimization method for a measurement matrix in image reconstruction based on compressed sensing. In compressed sensing image reconstruction, an image needs to be linearly measured and observed, original signals are sampled and compressed, signal dimension is greatly reduced, and the structure of the measurement matrix plays an important role in the linear measurement process. Based on a 0 and 1 binary random measurement matrix, the measurement matrix is redesigned, a super-sparsity diagonal measurement matrix is built, and irrelevance of the matrix is greatly improved, so that the sensing matrix more effectively meets RIP (routing information protocol) conditions. According to the new measurement matrix, hardware is easily implemented, calculation of the projection measurement process is simplified, and the PSNR (peak signal-to-noise ratio) and SSIM (structural similarity) of reconstructed images are greatly improved.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
Method and system for intrusion detection based on non-negative matrix factorization under sparse representation
InactiveCN103023927AReduce the detection dimensionConstrained Decomposition Iterative ProcessTransmissionHat matrixWeight coefficient
The invention discloses a method and a system for intrusion detection based on non-negative matrix factorization under sparse representation. The method includes: acquiring network data and host data, and obtaining a level-one audit privilege program of original network data; preprocessing the network data and the host data, and generating network characteristic data and short-sequence vectors; performing non-negative matrix iterative factorization for a data test matrix, and performing sparse representation for a basis matrix and a weight matrix; sampling weight matrix data subjected to sparse representation by the aid of a projection matrix so that highly characteristic weight coefficient vectors are obtained; and matching the highly characteristic weight coefficient vectors with characteristic vectors in training data by the aid of characteristic vector library data, and judging whether abnormal characteristics are conformed to or not. The method and the system for intrusion detection achieve data dimension reduction by non-negative matrix factorization and uses multi-divergence as a measurement level, an RIP (routing information protocol) condition in sparse representation is added into a combined divergence objective function family to restrain a non-negative matrix factorization iterative process, data detection dimensionality is lowered, and high-dimensional mass data processing of the system for intrusion detection is facilitated.
Owner:SOUTHWEST UNIVERSITY
Real-time vehicle audio/video monitoring system and method
InactiveCN103595973AReduce computing pressureQuality improvementClosed circuit television systemsSelective content distributionVideo monitoringMedia server
The invention provides a real-time vehicle audio / video monitoring system and method. The system comprises a monitoring service platform and vehicle terminal equipment. The monitoring service platform comprises a network monitoring server, a message communication server, a streaming media server, a streaming media player, an application server and a data storage server, wherein the network monitoring server browses through vehicle positions and transmits scheduling monitoring information to the vehicle terminal equipment; the message communication server is used for transmitting messages of registration, authentication and heartbeat detection of the terminal equipment; the steaming media server is used for receiving, storing and broadcasting audio / video byte code streams of the vehicle terminal equipment in real time; the streaming media player is used for playing real-time video or historical audio / video of the terminal equipment; the application server is used for receiving a data request sent from the vehicle terminal equipment, returning a result according to request information, and providing the result to the terminal equipment; and the data storage server is used for storing equipment information, video / audio information, and the like. On the basis of the vehicle position monitoring service, the system and method of the invention realize stable and high-efficiency vehicle audio / video monitoring service via the mobile communication network and routing information protocol.
Owner:FORYOU GENERAL ELECTRONICS
Method, system and router realizing elegant restart of route information protocol
ActiveCN101399824AReduce distractionsError prevention/detection by using return channelData switching networksRouting Information ProtocolDistributed computing
The embodiment of the invention discloses a method that a routing information protocol realizes graceful restart. The method comprises that: a router discovers a neighbor router which is connected with the router, and sends a restart notice message to the neighbor router; routing information is received by the neighbor router; after receiving a routing updating completion notice message from the neighbor router, the router updates a forwarding table according to the routing information. The embodiment of the invention discloses the method that the routing information protocol realizes the graceful restart. The method comprises: the restart notice message from a restart router is received, the routing information is sent to the restart router, and the routing updating completion notice message is sent to the restart router after all the routing information is sent out. The embodiment also discloses two routers. Applying the invention, routing updating can be accurately carried out in time, and the interference of the restart router to the network is reduced.
Owner:北京知方知识产权管理有限公司
Method for establishing tunnel forwarding table entries, central node and branch nodes
The invention discloses a method for establishing tunnel forwarding table entries. The method includes establishing tunnel forwarding table entries and private-network routing table entries to a branch node according to a received RIP (routing information protocol) routing protocol message when the central node receives an RIP routing protocol message sent by any branch node, and sending the RIP routing protocol message to the branch node. Based on the same conception, the invention further introduces the central node and the branch nodes, and the central node can automatically establish the tunnel forwarding table entries while triggering of user data messages is not needed.
Owner:NEW H3C TECH CO LTD
Method for establishing route by linking routing information protocol with bidirectional forwarding detection and equipment
ActiveCN102355416AAvoid undeletableAvoid route flappingData switching networksRouting tableBidirectional Forwarding Detection
The invention discloses a method for establishing a route by linking routing information protocol (RIP) with bidirectional forwarding detection (BFD) and equipment. The method comprises the following steps that: first equipment receives a first RIP response message transmitted by second equipment, adds the second equipment as an RIP neighbor, establishes BFD session with the second equipment, requests the route of the second equipment if the session is successfully established, and adds the route of the second equipment into a routing table; the first equipment receives an RIP response message subsequently transmitted by the second equipment and updates the route of the second equipment in the routing table by using the route in the message; and the first equipment finds BFD session Down with the second equipment, deletes the second equipment from the RIP neighbor and meanwhile deletes the route of the second equipment from the route table. By adopting the method and the equipment, the phenomenon that RIP route cannot be deleted or oscillated in case of single-pass of a link can be avoided.
Owner:XINHUASAN INFORMATION TECH CO LTD
Method and device for PUSCH (Physical Uplink Shared Channel) scheduling of terminal
ActiveCN102869109AIncrease transfer rateReduce bit error rateWireless communicationSounding reference signalNetwork communication
The embodiment of the invention provides a method and a device for PUSCH (Physical Uplink Shared Channel) scheduling of a terminal, relating to a network communication technology. The method comprises the steps of: according to the RIP (Routing Information Protocol) of an upstream subframe of the PUSCH of the terminal and the RIP of an upstream subframe of an SRS (Sounding Reference Signal), correcting a CQI (Channel Quality Indicator) of an upstream subframe of the SRS to obtain the CQI of the upstream subframe of the PUSCH, determining the grade of the initial MCS (Modulation and Coding Scheme) of the upstream subframe of the PUSCH according to the CQI of the upstream subframe of the PUSCH, and carrying out next scheduling on the terminal according to the grade of the MCS of the upstream subframe of the PUSCH. According to the technical scheme, by means of taking the influence of different interference levels of different upstream subframes to the grade of the MCS of the scheduled PUSCH into consideration and jointly determining the grade of the initial MCS according to the CQI of the upstream subframe of the SRS and the actual condition of the upstream subframe of the PUSCH, the signal transmission ratio is improved, and the error rate is reduced.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Method and device for page dot matrix compression
The invention discloses a method and device for page dot matrix compression, and is applicable to the technical field of digital printing. The method comprises the following steps: a variable data presswork with a plurality of printing pages is processed in a rasterization mode through a routing information protocol (RIP), a plurality of color separation page dot matrices decomposed by each printing page are obtained; each color separation page dot matrix on the present printing page and the corresponding color separation page dot matrix on the last printing page are compared in a sequence mode, an identical content byte number L I of the present printing page, and the last printing page and a content difference byte number L D and corresponding different byte sequences are recorded; the identical content byte number L I of the present printing page and the last printing page and the content difference byte number L D are compressed and encoded. By means of the method and the device for page dot matrix compression, the compression effect of each page only depends on the similarities between the present printing page and the last printing page, and the data can adapt to the page dot matrix of a variable data presswork based on a plurality of template pages.
Owner:PEKING UNIV +2
Method for implementing PCE discovery protocol
InactiveCN1949744ASupport Computing CapabilitiesSupport blockingData switching networksRouting Information ProtocolClient-side
The invention relates to a PCE (path calculating end) finding protocol implementing method, mainly comprising: additionally setting PCE finding protocol message in routing information protocol (RIP); exchanging the PCE fining message between each path calculation client end (PCC) and / or PCE, and the PCC finally selects a PCE according to path calculating ability information in the PCE fining message. And it not only implements the found PCE position information customized by PCE finding protocol and finds the calculation range the PCE takes charge of, but also has good extendibility, supports finding of PCE calculation ability and PCE obstruction.
Owner:苏梅
Routing table management method using interface ID in the IPv6
InactiveUS7292539B2Avoid congestionAvoid problemsError preventionFrequency-division multiplex detailsRouting tableRouting Information Protocol
A routing table management method using an interface ID in the IPv6 that supports RIPng (Routing Information Protocol for next generation), prevents congestion in routing table management because multiple addresses are designated to a single interface, through managing a routing table using a different interface ID for each IPv6 router interface. According to the routing table management method, a first router designates a predetermined value to a first field of a route entry, designates an interface ID to a second field, thereby generating routing information, and a routing information packet including the routing information is transmitted to a second router. Then, the second router extracts a first field value of the received routing information packet from the first router and if the extracted field value is a predetermined value, a second field value is extracted therefrom. Lastly, routing information of a route entry having an interface ID identical with the extracted second field value is updated to routing information of the received routing information packet.
Owner:SAMSUNG ELECTRONICS CO LTD
Wireless ad hoc network communication method based on single-soldier cooperative combat
InactiveCN109688616ACost saving routingNetwork topologiesNetwork communicationWireless ad hoc network
The invention discloses a wireless ad hoc network communication method based on single-soldier cooperative combat. Each single soldier is regarded as a node in a wireless ad hoc network, and a node closest to the remaining nodes is selected in multiple nodes through an optimal path algorithm to be regarded as a relay node. A communication base station and a cloud server are also included. Information transfer is carried out between the wireless nodes through the relay node. The relay node is updated and replaced in real time. Wireless nodes in a communication radius range R transfer single-soldier combat information to a cloud server end through the communication base station, and combat command information is returned through the cloud server and transmitted among the wireless nodes. Battlefield long-range and short-range ad hoc network communication is realized. An improved destination sequenced distance vector routing (DSDV) protocol is adopted for networking among the wireless nodes, a traditional destination sequenced distance vector routing protocol is combined with an ant colony algorithm for networking, and the nodes exchange information with neighboring nodes thereof through a routing information protocol (RIP).
Owner:刘福珍
System and method for improving network performance and security by controlling topology information
ActiveUS8023517B2Data switching by path configurationNetwork connectionsTopology informationEngineering
Owner:CISCO TECH INC
Method and device for realizing RIP rapid rerouting
ActiveCN104486214AAvoid manual configurationAvoid dependenceData switching networksRouting tableRouting Information Protocol
The invention provides a method and a device for realizing RIP rapid rerouting. The device is applied to a router in operation routing information protocol RIP network. The method comprises the following steps: updating an RIP routing table; dispatching an optimal route and a secondary route including backup marks in the RIP routing table, wherein the optimal route and the secondary route are used as rapid rerouting FRR. According to the technical scheme, the dependence on the optimal route by the backup route can be avoided, and the reliability of RIP rapid rerouting is improved.
Owner:NEW H3C TECH CO LTD
Method and device for rapidly switching RIP (routing information protocol) routings
InactiveCN103428085AQuick switchAvoid relearning timeData switching networksTraffic capacityRouting table
The invention discloses a method and a device for rapidly switching RIP (routing information protocol) routings. The method includes the steps: maintaining all RIP routings corresponding to the same destination address in an RIP routing table, selecting one optimal RIP routing from the RIP routings corresponding to the destination address and issuing the optimal RIP routing to a hardware forwarding table by a routing receiving device; inquiring the RIP routing issued by a routing issuing device from the RIP routing table when determining that a link corresponding to the routing issuing device is faulted by the routing receiving device; deleting the RIP routing from the RIP routing table if the RIP routing is not the optimal RIP routing; deleting the RIP routing from the RIP routing table, reselecting one optimal RIP routing from the other RIP routings corresponding to the RIP routing and issuing the reselected optimal RIP routing into the hardware forwarding table if the RIP routing is the optimal RIP routing. RIP routing switching time can be shortened, and flow loss time is further shortened.
Owner:NEW H3C TECH CO LTD
Method, apparatus and system for improving routing convergence speed of route information protocol
InactiveCN101304378AOvercoming the defect of slow convergenceFast convergenceData switching networksReachabilityRouting Information Protocol
The invention provides a method, a device and a system for increasing the routing convergence velocity of routing information protocol. The method comprises the following steps: according to high speed convergence order, registering network monitoring service for a neighbor router; detecting the state of reachability of the neighbor router; when one neighbor router is not reachable, failure process is carried out on the routing information relevant to the neighbor router and other neighbor routers are informed. The invention overcomes the defect that the RIP protocol norm has slow convergence in the prior art, provides a easy-carried, flexible and controllable scheme and achieves the purpose of rapid convergence of the RIP protocol routing under the condition that the change of a network topology is not perceived by the RIP protocol in time when the network topology is changed.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
Method and equipment for building routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection)
InactiveCN103401780AThere will be no route flappingData switching networksRoute flappingRouting table
The invention discloses a method and equipment for building a routing by linking RIP (routing information protocol) with BFD (bidirectional forwarding detection). The method comprises the following steps of receiving a first RIP responding message sent by opposite end equipment, then, adding the opposite end equipment as an RIP neighbor, and periodically detecting the neighbor state of the opposite end equipment; adding routing information in the first RIP responding message to a routing table if the detected neighbor state is UP; receiving subsequent RIP responding messages sent by the opposite end equipment, then, determining the detected neighbor state of the opposite end equipment, and adding the routing information in the subsequent RIP responding messages to the routing table if the neighbor state is UP; deleting the routing information of the opposite end equipment in the routing table if the neighbor state is DOWN and the routing information of the opposite end equipment is stored in the routing table. According to the scheme, when a path single pass is transmitted, the routing oscillation phenomenon is avoided.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
Routing information protocol simulator and routing information protocol communication test method thereof
InactiveCN104468281AAbundant resourcesEasy to operateData switching networksNetwork packetTester device
The invention discloses a routing information protocol communication test method. The method includes the steps that a routing information protocol simulator is generated and started; routing information protocol interaction is conducted between the routing information protocol simulator and a routing information protocol communication device to be tested; through the interacted data package between the routing information protocol simulator and the routing information protocol communication device to be tested is obtained, the interaction process of the routing information protocol simulator and the routing information protocol communication device to be tested is checked. According to the method, a pylibpcap module is utilized to drive a network card simulation routing information protocol communication device to conduct interaction with the device to be tested; compared with the prior art that a tester integrating the routing information protocol test function is adopted to conduct routing information protocol test, the test port resources are rich, operation is simple, and the cost is low.
Owner:PHICOMM (SHANGHAI) CO LTD
Route advertising method and network equipment
ActiveCN101789930AAvoid routing black holesData switching networksRouting Information ProtocolComputer science
The invention discloses a route advertising method and network equipment, wherein the method comprises the following steps: determining route information protocol versions run by all neighborhood equipment by first network equipment running a second version RIPv2 (Routing Information Protocol version 2) of a route information protocol; and splitting a hypernet route into continuous routes of classful networks contained in a hypernet and advertising the split continuous routes of the classful networks to the neighborhood equipment running RIPv1 (Routing Information Protocol version 1) through the first network equipment when the first network equipment advertises the hypenet routes to the neighborhood equipment running the RIPv1 (Routing Information Protocol version 1) of the route information protocol. The invention can ensure that equipment running the RIPv1 (Routing Information Protocol version 1) can correctly learn all continuous routes of the classful networks contained in the hypernet in a network running the RIPv1 protocol and the RIPv2 protocol, thereby avoiding the problem of route black hole.
Owner:BEIJING ZHIGU TECH SERVICE
Traffic network flow control using dynamically modified metrics for redundancy connections
InactiveCN1656740AAvoid failureAvoid unreachable linksTransmission systemsData switching by path configurationTraffic capacityDistance-vector routing protocol
Distance vector routing protocols such as the Routing Information Protocol fail to rapidly reconfigure to use redundant links. By modifying the outgoing advertised hop count upon detecting a failure in a connection for which a backup or redundant connection exists, incoming traffic is diverted to the redundant or backup connection. An artificially high hop count is advertised for a given port, and when a failure or loss of reachability occurs in a connection associated with that port, an advertisement of a lower hop count on the backup or redundant connection for the given port is triggered. This causes rapid rerouting of incoming traffic to the backup or redundant connection.
Owner:GENERAL INSTR CORP
Method and device for optimizing routing information protocol
The invention discloses a method for optimizing a routing information protocol, comprising the following steps: a routing information updating timer and a pointer position for acquiring routing information for the first time are arranged on high-end routing equipment; when the updating timer exceeds time, after deviating the pointer relative to a node where the routing information is acquired previously, the high-end routing equipment acquires the routing information in the corresponding node; and the high-end routing equipment sends a routing information group package to low-end routing equipment. In the invention, a routing sending sequence is changed by a sending end to enable a receiving end to receive all routings so that the routing information loss caused by the full buffer of a low-end router can be prevented.
Owner:NEW H3C TECH CO LTD
Method and device for testing the performance of the route information protocol of the network devices
PendingCN1996907AReduce development costsReduce testing costsData switching networksRouting tableProcess module
This invention provides one test network device router information agreement property method and device in communication test field, which comprises the following steps: establishing RIP Session to network device to be tested and setting router item information and sealing responding message and sending the timer set broadcast to network device to be tested; according to the process results judging device router information agreement property. This invention also provides one above device composed of initial module, message send module ad process module.
Owner:HUAWEI TECH CO LTD
Binary image splicing method and system
InactiveCN103177464AGeometric image transformationEditing/combining figures or textImaging processingComputer graphics (images)
The invention discloses a binary image splicing method and system and relates to the technical field of image processing. The binary image splicing method includes steps that: single-connection objects to be processed are selected and are subjected to makeup processing on a designated layout; the single-connection objects are converted to binary images and simultaneously the splicing route of the single-connection objects on the layout is recorded; and single-connection binary images are placed on the layout at the splicing positions of the single-connection objects. According to the binary image splicing method and system, binary image data can be repeatedly embedded into a Portable Document Format (PDF) document according to the preset attribute, accordingly after the PDF document becomes a Routing Information Protocol (RIP) document, binary image data (lattice points) at the same position on the single-connection objects in the RIP document and lattice points of source binary images generated by single connection are completely identical, and the binary image data (lattice points) at the same position on the single-connection objects in the RIP document are completely identical.
Owner:PEKING UNIV +1
Autodetection of routing protocol version and type
InactiveUS7143173B2Multiple digital computer combinationsData switching networksAuto-configurationDistance-vector routing protocol
Methods and apparatuses to automatically configure network devices with respect to the routing protocol versions and types of each device on a link. The routing protocol is a dynamic, intradomain, distributed, flat, single path, distance vector routing protocol such as the Routing Information Protocol (RIP). A link including a first network device and a second network device can be configured automatically. Each network device includes a routing protocol having a version and a type. The network devices are configured such that the routing protocol versions of the first and second network devices are the same and the types of the routing protocol versions are the same. A RIP link can be configured to set both sides of a dial-on-demand link to triggered RIP version 2, or another version and type combination.
Owner:INTEL CORP
Method for supporting multiplex extraterritorial service quality based on route information protocol
A method for supporting multiple type of extra-domain service quality based on route information protocol includes updating local path information when PVA packet sent from boundary router adjacent to the other domain is received by boundary router, calculating out optimum routes to relevant destination network address prefix, sending these routes to boundary router adjacent to the other domain and to route management module in PVA packet mode, sending these routes to boundary router adjacent to the other domain in PVA packet mode and simultaneously updating path information in local area when intra-domain route redistributed from route management module is received by boundary router.
Owner:TSINGHUA UNIV
Method and equipment for route advertisement optimization and route selection
The invention discloses a method and equipment for route advertisement optimization and route selection, which are applied to a system comprising a source router, at least two intermediate routers and a destination router, wherein a route the source router takes to reach the destination router through any one of the at least two intermediate routers is an equivalent route. The method comprises the following steps of: the source router receives route information protocol (RIP) messages sent by the intermediate routers and acquires the actual utility ratio REF parameters and the route information of the intermediate routers, which are carried by the route information protocol (RIP) messages; and the source router selects one intermediate router from the at least two intermediate routers to send a message to the destination router according to the actual utility ratio REF parameters.
Owner:NEW H3C TECH CO LTD
Method and device for PUSCH (Physical Uplink Shared Channel) scheduling of terminal
ActiveCN102869109BIncrease transfer rateReduce bit error rateData switching networksSounding reference signalComputer terminal
Owner:DATANG MOBILE COMM EQUIP CO LTD
Method and device for transmitting route updating packet
InactiveCN101459613ANo need to reduce the quantityReduce shockData switching networksTelecommunicationsRouting Information Protocol
The invention provides a method and a device for sending route refreshed messages, wherein the method comprises dividing an interface which enables RIP process into more than one sending groups in a routing information protocol (RIP) process, wherein each sending group is associated with an Update timer, and each Update timer arrives time in turn, and sending routing refreshed messages through interfaces in the sending group which is associated with the Update timer when the Update timer arrives time. The method scatters routing refreshed messages which are originally sent out in the same time to different time point to group to send out, and can reduce the attack of the routing refreshed messages to a system in short time without reducing the quantity of messages which are sent out in unit time.
Owner:NEW H3C TECH CO LTD
Router ageing treatment method and device
InactiveCN107018079ASolve the shockImprove stabilityData switching networksRouting Information ProtocolInterval valued
The invention provides a router ageing treatment method and device. The router ageing treatment method is applied to a router information protocol, and comprises the following steps: a second router receives a routing update message carrying ageing time interval value of the router sent by a first router, wherein the aging time interval value is acquired from the local configuration by the first router; the second router sets the ageing time of the router according to the ageing time interval value. A problem that the corresponding router is in oscillation since the time setting is unreasonable in the router information protocol in the related technology is solved, and then the stability of the system is improved.
Owner:ZTE CORP
Method for establishing route by linking routing information protocol with bidirectional forwarding detection and equipment
The invention discloses a method for establishing a route by linking routing information protocol (RIP) with bidirectional forwarding detection (BFD) and equipment. The method comprises the following steps that: first equipment receives a first RIP response message transmitted by second equipment, adds the second equipment as an RIP neighbor, establishes BFD session with the second equipment, requests the route of the second equipment if the session is successfully established, and adds the route of the second equipment into a routing table; the first equipment receives an RIP response message subsequently transmitted by the second equipment and updates the route of the second equipment in the routing table by using the route in the message; and the first equipment finds BFD session Down with the second equipment, deletes the second equipment from the RIP neighbor and meanwhile deletes the route of the second equipment from the route table. By adopting the method and the equipment, the phenomenon that RIP route cannot be deleted or oscillated in case of single-pass of a link can be avoided.
Owner:XINHUASAN INFORMATION TECH CO LTD
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