82results about How to "Reduce forwarding" patented technology

The invention provides a defense method, a defense device and a defense system for DNS (Domain Name System) services. The method comprises: monitoring a DNS data query request message flux of a DNS recursive server network gateway within unit time; judging whether the DNS data query request message flux exceeds a predetermined safety access flux threshold value or not; obtaining a proportional value between the quantity of DNS data query request messages containing top-level domain addresses and the DNS data query request message flux; in the case of judging the proportional value to exceed the predetermined value, recording the top-level domain addresses as attacked addresses; transmitting the DNS data query request messages of which the domain addresses are not the attacked addresses; judging whether second-level domain addresses of the DNS data query request messages corresponding to the attacked addresses exist in a normal domain name list or not; and performing defense processing on the DNS data query request messages of which the second-level domain name addresses do not exist in the normal domain name list. The transmission of attack messages can be effectively decreased, so that the defense of a DNS server is realized; and meanwhile, the normal DNS data query request is not affected.

The invention provides a message forwarding method and device and network equipment thereof. The message forwarding method is used in virtual conditions, comprising the following steps: receiving a message from an ingress port; searching for a port mapping table to find the virtual device of the ingress port; processing the message on a forwarding component according to processing operations on the virtual device to obtain a processed message; searching for a forwarding table of the virtual device to obtain the forwarding path information of the message, wherein the forwarding path information includes the ingress port, an egress port corresponding to the ingress port and a next hop, a virtual device corresponding to the next hop and the virtual device corresponding to the ingress device share the forwarding component; and sending the processed message to the next hop through the egress port. The message forwarding method solves the technical problem of system resource waste during message forwarding among forwarding components of virtual switches in the prior art, and the forwarding efficiency is improved.

Disclosed are a cell switching method, device and apparatus. The method specifically comprises: a CBS receiving a measurement report sent by a UE to acquire a target base station identification carried in the measurement report, wherein the target base station identification is used for indicating a target base station; the CBS indicating the above-mentioned target base station to conduct resource configuration on a data link layer of the target base station according to a service priority corresponding to the above-mentioned UE; after the configuration is completed, the above-mentioned CBS sending data to the above-mentioned target base station; and the CBS sending a switching command to the above-mentioned UE, and the UE resetting state information about the data link layer thereof according to the switching command, and switching same to the above-mentioned target base station. By adopting the technical solution of the present invention, the CBS initiates and controls the switching between different DBSs and the switching between same and other CBSs, thereby effectively reducing the signalling overhead in the switching process. A protocol stack is used to separate the signalling interaction between the CBSs and the DBSs, so as to reduce the forwarding of some data, thereby avoiding wasting resources.

The invention discloses a control device and a control method supporting a single IO (Input/Output) virtual user level interface. The device comprises a system bus interface module, an operation module, a DMA (Direct Memory Access) module and a network pack distribution arbitration module, wherein the system bus interface module is used for transmitting data between the device and a processor and realizing a transaction layer, a data link layer and a physical layer function which are accordant with a PCI (Peripheral Component Interconnect) Express protocol; the operation module is used for realizing mapping among an equipment configuration space, a communication interface QP with a virtual function (VF) and an operation queue (OQ) resource and directly accessing the QP by using a doorbell system, and comprises M operation queues; M is more than or equal to 1; the DMA module is used for mapping a DMA engine according to the idle condition of the DMA engine; the DMA engine is used for transmitting and receiving data; and the network pack distribution arbitration module is used for receiving a network pack transmitted by the DMA engine, arbitrating and selectively transmitting the network packs of different DMA engines, receiving network packs in the network at the same time, and transmitting to the DMA engine for processing.

The invention relates to a probabilistic effective broadcast coefficient-based flooding method, which belongs to the technical field of wireless ad hoc network routing. It includes the following steps: 1) Define the concept of the node's effective broadcast increment; 2) Calculate the effective broadcast increment B of each node; 3) Calculate the node's effective broadcast coefficient P according to the node's effective broadcast increment; 4) If If the effective broadcast coefficient P of the node is greater than the set threshold Pval, the node will broadcast the received message, otherwise the message will not be forwarded. The invention effectively reduces the routing overhead, is simple to implement, effectively reduces the network load while obtaining high reliability, and has better scalability in large-scale self-organizing networks.

A system for providing a dynamic portal page in a content distributed network responds to a client request by generating the dynamic portal page at a content engine. The content engine has a portal template with at least one dynamic portion. The content engine writes into the at least one dynamic portion of the portal template links to content cached at the content engine. The content engine also writes into the at least one dynamic portion of the portal template information about availability of content not yet cached at the content engine.

The invention discloses a method, system and device for realizing data forward shifting in the user terminal switching process, which can improve the terminal switching speed under a relay node and can reduce the data loss rate while switching. The method comprises the following steps of: notifying the stopping position of the terminal downlink data requiring the source relay node forward shifting to the terminal attributive source relay node when an attributive base station of a source relay node confirms that a terminal is about to generate the switching; and sending the forwards shifted downlink data of the terminal from the source relay node, the current buffer stored downlink data of the terminal which is not sent to the source relay node, and the subsequently received downlink data of the terminal from a core network to a target node.

The invention discloses buffering and overtime processing methods of route address mapping information as well as a tunnel router, in order to reduce the updating frequency of the route address mapping information in an ITR (ingress tunnel router) buffer and reduce the data packet forwarding of a DM (default mapper). The buffering method of the route address mapping information comprises the following steps: mapping information records comprising route address mapping information and the number of use of the route address mapping information are buffered in the ITR; and after the route address mapping information transmitted by the DM is received, the received route address mapping information is added into the buffer according to the number of use in the buffered mapping information records. According to the invention, the forwarding paths of data packets are optimized, and the end-to-end data transfer delay can be reduced.

The invention discloses a coding-aware wireless mesh network multi-path routing method for avoiding congestion, and belongs to the technical field of wireless communication. The coding-aware wirelessmesh network multi-path routing method comprises operations in two stages of routing and data transmission, and adopts two new mechanisms: a congestion aware mechanism and a multi-path dynamic flow distribution mechanism; in the route discovering process, nodes of which node cache occupation rates exceed a threshold are used as high-load nodes, the high-load nodes do not need to forward a newly received routing request message, meanwhile, forwarding of adjacent nodes of the nodes for the routing request message is also reduced, and paths in a plurality of paths from a source node to a target node, on which the high-load nodes exist, are eliminated in advance, so that routing cost is effectively reduced; and in the data transmission process, the source node can carry out regulation on a flow distribution ratio according to load conditions of the nodes on each path, so that network congestion is avoided, and end-to-end delay can be reduced.

A braking force reduction control that reduces the braking force applied to the vehicle wheels is performed when braking of the vehicle is detected. More specifically, the braking force reduction control is started when a speed change of the deceleration of the vehicle has a reducing tendency, namely, when the speed change is equal to or less than a predetermined threshold value.

Provided is a novel method for producing an m-plane nitride-based LED, the method making it possible to obtain an m-plane nitride-based LED reduced in forward voltage. The method comprising (i) a step of forming an active layer consisting of a nitride semiconductor over an n-type nitride semiconductor layer in which an angle between the thickness direction and the m-axis of a hexagonal crystal is 10 degrees or less, (ii) a step of forming an AlGaN layer doped with a p-type impurity over the active layer, (iii) a step of forming a contact layer consisting of InGaN is formed on the surface of the AlGaN layer, and (iv) a step of forming an electrode on the surface of the contact layer.

The embodiment of the application provides a routing link management method and system, a virtual routing gateway and a host gateway, relating to the technical field of computers. According to the embodiment of the application, the method includes the following steps: for a message sent by a virtual machine, when a source host gateway corresponding to the virtual machine does not find routing linkdata corresponding to the message locally, the message is forwarded to the virtual routing gateway; after the virtual routing gateway finds the routing link data corresponding to the message locallyfor the received message, the virtual routing gateway forwards the message to a destination host gateway according to the routing link data and returns the routing link data to the source host gateway; and the source host gateway records the routing link data to a local source host according to the received routing link data. Thereby, the host gateway can quickly obtain the routing link data thatis required thereby, the consumption of the host memory can be reduced, and the excessive traffic load of the virtual routing gateway can be avoided.

The invention discloses a periodic routing information sending method and device. The method comprises the steps of obtaining a corresponding relationship between change rates of a topology structure or link information of a network and sending intervals of periodic routing information; obtaining a target change rate of the topology structure or the link information of the network within a target time period; obtaining a target sending interval matching the target change rate from the corresponding relationship according to the target change rate; and sending the periodic routing information according to the target sending interval. According to the embodiment of the invention, the sending interval of the periodic routing information can be dynamically adjusted. Under the condition that the topology structure or the link information of the network is changed fast, the sending interval is shortened, the loss of data between network devices is reduced, a superior path is timely selected for data transmission, and the network robustness and network capacity are improved. Under the condition that the topology structure or the link information of the network is changed slowly, the sending or forwarding of the routing information between the network devices is reduced, these resources are used for transmitting data, and the network capacity is improved.

The method includes following steps: a virtual LAN is set for intercommunication between IP-DSLAM, and an address pool is set at a part of IP-DSSAM for connecting users; when IP-DSLAM starts up, first it is decided if there is an available address pool for using by users, if not, then a request for applying address field is transmitted to the IP-DSLAM with the address pool; the IP-DSLAM with the address pool decides if the allocation is available, if yes, then a permit message is transmitted, and the address field needed by request IP-DSLAM is allocated for using as local address pool by the request IP-DSLAM; if not, then a refusing message is transmitted, the IP-DSLAM continually transmits the request to the other IP-DSLAM; if there is an address pool, then the declaration message is transmitted to other IP-DSLAM, IP address is allocated to the local users; if the connected users continually increase to the a certain amount that will exceed the volume of the address pool, the addresses will be distributed and the request is transmitted to the IP-DSLAM with address pool; if the connected users in IP-DSLAM decrease, the unused address will be released.

The invention provides a packet forwarding method and a packet forwarding device. The method comprises: when the AC is the master device of the stack, and receives the first discovery request packet of the access point AP, generating a first filtering entry corresponding to the AP; and issuing the first filtering entry to the switching device, so that the switching device sends the first packet matched with the first filtering entry to the AC through the first target port in the port corresponding to the aggregated member port information included in the first filtering entry. The embodimentsof the invention may reduce the packet forwarding of the stack links between the stack member devices and improve the reliability of the stack links.

The invention discloses a depth data processing device and method for a base station, and belongs to the technical field of telecommunication. According to the invention, a deep data processing device for deep learning and processing signaling control messages, IMS protocol messages and data messages is deployed between a base station and a UPF/SGW/SGW/core network, so that the mobility management capability and IMS conversation capability of mobile communication are kept; a management plane component sets formats of data messages transmitted by interfaces in a control plane component and presets a global configuration table and a distribution table which are used for loading transparent transmission and local forwarding processing information, the control plane component deeply learns messages and generates a forwarding table, and a forwarding plane component is used for realizing local processing and extremely-low-delay forwarding of GTP messages on a base station side. The access of more mobile terminals is realized within the limited base station spectrum bandwidth, and the access to a local network or a base station operator network is realized with lower delay, so that the local access quality of the mobile terminals is greatly improved, the spectrum utilization rate of the base station is greatly improved, and the mobile network is promoted to reach carbon neutralization and carbon peak-reaching indexes.

The invention provides an electronic device, an elastic piece assembly thereof and an elastic piece thereof. The elastic piece includes an integrated structure which comprises a main body portion, a mounting portion and elastic legs. The mounting portion and the elastic legs are respectively connected to the main body portion, the mounting portion is provided with a mounting hole, and the elasticpiece is connected to an external device through the mounting hole. The elastic legs are used for abutting with an external device to allow the external device connected to the mounting portion and the elastic legs to be in electrical conduction. The elastic piece provided by the embodiment of the invention has a simple structure, an antenna (metal frame) can be connected to a main board (PCB), the transfer is less, the resistance is low, the reliability is good, the edge of the electronic device can be narrowed to the extreme, therefore, the screen ratio can be higher, and the competitivenessof electronic device is improved.

The disclosure claims a lumbar interbody fusion cage for treating lumbar spondylolisthesis via a lateral approach. The lumbar interbody fusion cage comprises a supporting frame body, wherein upper and lower blades are mounted on the upper and lower end surfaces of the supporting frame body, a distracting component for driving the upper and lower blades to axially distract along a lumbar interbody and an orthotopic moving component for driving the upper and lower blades to move along the lumbar interbody back and forth are mounted in the supporting frame body, the upper and lower blades respectively extend to form lateral lobes, fixing holes through which fixing nails penetrate are formed on the lateral lobes, the fixing nail of the upper lateral lobe penetrates backward from bottom to top in a slanting way to give a certain rear thrust to the slipped lumbar vertebrae and help reduction of the lumbar spondylolisthesis, and the fixing nailing of the lower lateral lobe penetrates forward from top to bottom to give a forward thrust to the lumbar vertebrae and help the reduction of the lumbar spondylolisthesis. The lumbar interbody fusion cage can solve both an intervertebral spacing and dislocation arisen from forward and backward lumbar spondylolisthesis, has easy operation and small pain to patients, and is safer and more reliable.

The invention discloses a battery cut-off device and a battery pack system, and belongs to the technical field of vehicles. The battery cut-off device comprises a shell assembly, a cover body, a cut-off control unit BDU and a battery control system BMS. The shell assembly is provided with a containing chamber and a first through hole formed in the side wall of the shell assembly; the cover body isfixedly connected to the shell assembly, and a containing groove is formed between the cover body and the shell assembly; the cut-off control unit BDU is positioned in the containing chamber; the battery control system BMS comprises a main control unit, a slave control unit, a first wire harness, a second wire harness and a third wire harness, the main control unit is located in the containing chamber, the slave control unit is fixed in the containing groove, and the main control unit is electrically connected with the BDU through the first wire harness, electrically connected with the slavecontrol unit through the second wire harness penetrating through the first through hole, and electrically connected with the communication end of a vehicle through the third wire harness; and the battery cut-off device and the battery pack system provided by the invention have the advantages that the size is smaller, the occupied space is smaller, and the internal resistance is smaller.

The invention relates to a low-orbit satellite reverse seam communication switching method, which belongs to the field of satellite communication, and comprises the following steps that when a user terminal detects that the RSRP value of a target satellite beam is greater than the RSRP value of a source satellite beam, a user switching demand report is sent to a target satellite; the target satellite obtains and locks resources of an idle channel, and sends a user switching reply report to a user terminal; the user terminal changes the transmitting frequency and the receiving frequency of the data channel of the user terminal into the receiving frequency and the transmitting frequency of a corresponding channel, and sends a switching confirmation report to the target satellite; the target satellite confirms the connection state of the current target satellite and the user terminal and sends a switching notification report to a network control center; the user terminal sends a resource release report to the source satellite and requires clearing of resources occupied by the user terminal in the source satellite; and the source satellite empties the channel. According to the method provided by the invention, a user can stably and quickly perform low-orbit satellite communication switching between satellite reverse seams.

The invention discloses a cross-network communication method and address conversion equipment, and the method comprises the steps: receiving a user access request based on a first network center, analyzing the user access request, and obtaining a request resource type carried in the user access request; determining a network center to which the request resource type belongs; if the request resource type belongs to the first network center, sending the user access request to a server at the side of the first network center; and if the request resource type belongs to the second network center,converting an address carried in the user access request to obtain a modified access request, and sending the modified access request to a server at the second network center side. According to the method provided by the invention, cross-network communication of two different networks can be realized, and the address conversion equipment can selectively carry out address conversion according to the type of the request resource, so that the times of data forwarding and skipping can be greatly reduced, the data transmission path is shortened, and the resource access speed of a user is improved.