91results about How to "Reduce the number of messages" patented technology

The invention discloses a Byzantium fault tolerance method which comprises a node selection step, a proposal step, an endorsement step, a confirmation step and a block storage step, wherein in the node selection step, at least proposal nodes, endorsement nodes and confirmation nodes are selected from a blockchain network; in the proposal step, the proposal nodes construct new alternative blocks; in the endorsement step, the endorsement nodes carry out verification on the received alternative blocks, then carry out priority ranking on the alternative blocks and carry out endorsement on an alternative block with the highest priority; in the confirmation steps, if an alternative block is endorsed by a preset number of endorsement nodes in preset time, the confirmation nodes carry out confirmation on the alternative block; and in the block storage step, if an alternative block is confirmed by a preset number of confirmation nodes in preset time, the alternative block completes the consensus, and all the nodes in the blockchain network store the block which completes the consensus. The invention further discloses an implementation system of the Byzantium fault tolerance method. According to the invention, continuous operation in an extreme case can be ensured, and the Byzantium fault tolerance method and the implementation system thereof are beneficial for enlarging the scale of theblockchain network.

The present invention discloses a method of transferring users between different core-network equipments, and includes: a serving core network equipment transfers the attachment request from user equipment or the updating request from tracking area to an aim core-network equipment; the aim core-network equipment establishes a signaling connection with the corresponding wireless access network; the aim core-network equipment is in charge of solving the attachment request from user equipment or the updating request from tracking area. By introducing the present invention, user equipments can be transferred to aim core-network equipment through the only process of user equipment attachment or tracking area update. The process is simple, effective and rapid.

The embodiment of the invention provides a block chain consensus voting method, device and equipment and a storage medium, and the method comprises the steps: obtaining to-be-uploaded data uploaded bya submitting node, and carrying out the local verification of a to-be-consensus block stored in a to-be-consensus cache region; if the first to-be-consensus block passes the local verification, and the first to-be-consensus block is a to-be-consensus block with the maximum block height in the target to-be-consensus block chain of the to-be-consensus cache region, obtaining a hash value of the first to-be-consensus block, generating a second to-be-consensus block with the to-be-linked data, and adding the second to-be-consensus block to the target to-consensus block chain to obtain an updatedto-consensus cache region; broadcasting the second to-be-consensus block in a block chain network; and updating the consensus voting value corresponding to each to-be-consensus block, and determiningthe to-be-consensus block of which the updated consensus voting value is greater than a voting threshold as a consensus passing state. By adopting the embodiment of the invention, the consensus efficiency of the block chain can be improved.

The invention discloses a TLS handshake protocol for an identity-based cryptosystem, and in particular relates to the field of basic communication of trusted security networks. The problems of high delay, high calculation amount and the like due to finding, transferring, verifying and the like of a certificate in a TLS handshake process in the traditional PKI system can be solved by defining a new ciphersuite; and the handshake protocol performance is improved while the security is ensured. The handshake protocol comprises the following steps of: (1), establishing the identity-based cryptosystem, and distributing secret keys; and (2), handshaking to negotiate a security parameter. The TLS handshake protocol disclosed by the invention has the advantages that: the certificate is unnecessary to send and verify, such that the network flow and the memory are saved; authentication and secret key negotiation are completed simultaneously; the number of messages is reduced; the network delay is reduced while the high security is ensured; and the TLS handshake protocol is perfectly compatible with a TLS by newly increasing a selective ciphersuite and an expansion option.

The invention discloses a video on demand (VOD) method, and belongs to the technical field of VOD. The method includes that a user node requests sources to a media server; the media server uses nodes closest to the user node position and containing the sources as source provider nodes and returns information of the source provider nodes to the user node; and the user node establishes connection with the source provider nodes to receive sources sent by the source provider nodes and play the sources sent by the source provider nodes. According to the VOD method, gridding space mapping user nodes are introduced, and therefore smooth acquisition of needed sources is well guaranteed after the user node is connected into a VOD video, and the VOD method has good robustness and scalability.

The embodiment of the invention provides an information display method and device and terminal equipment. The method includes the steps that the identification information of at least one member user in a communication group is obtained; communication messages issued in the communication group by at least one member user is found according to the identification information of at least one member user; the found communication messages issued in the communication group by at least one member user is displayed. The information display method and device and the terminal equipment can effectively improve the message reading efficiency and the message finding efficiency.

A method for informing that a mobile phone is power off, busy or unreachable through a USSD message comprises the following steps; setting a flag bit P and a status bit S in a home location register (HLR); storing missing call information in the USSD center; and informing a user about the detail information of the missing call through a USSD message. The invention can record all missing calls under the circumstances that mobile phone is powered off, busy or unreachable, and send to the user when the user is available. The invention does not alter any information at a public interface, and not influence the interconnection and interflowing among manufacturers, or only adds a field in the MAP information SRI of the public interface to carry calling numbers, so as to reduce the message number transmitted among equipment and realize corresponding function with the minimum flowing.

According to an exemplary embodiment, there is provided a method of operating a terminal device. The method comprises operating (701) the terminal device in a connected state with respect to the communication network. The method further comprises receiving (703) a first signal from a first radio access node in the communication network indicating that the connected state is to be suspended, the first signal comprising information for use in determining a first key for encrypting data to be sent between the terminal device and the first radio access node or another radio access node in the communication network if the connected state is resumed.

The invention discloses a multiple-time identity certification system and method base on quantum communication network with time stamp as random number. The system includes a client A, a client B anda quantum network service station, when the client A applies for ticket to the client B, the time stamp is generated by the client B and sent to the quantum network service station, the ticket is generated by utilizing the time stamp and the session key through the quantum network service station, and the ticket is distributed to the client A and is distributed to the client B through the client A; the session key is used for enforcing the enciphering communication between the client A and the client B and is synchronously generated between the client A and the quantum network service station;and each client is configurated with a quantum secret key card used for generating true random number as the certification identification during the ticket distribution and the using of the ticket. The multiple-time certification is enforced based on the quantum communication network with time stamp as random number, furthermore the safety is improved, the generation mode of the session key is improved, and information transfer in identity certification is reduced.

The invention provides a remote monitoring system, which can improve the communication efficiency and reduce communication costs, and a communication method thereof. The remote monitoring system comprises: a plurality of terminals providing information needed by an application; a plurality of gateway devices each with a communication unit, a storage unit and a transmission control unit; and a server capable of communicating with the gateway devices. Each gateway device communicates with a part of the plurality of terminals. The plurality of gateway devices are divided into a plurality of groups by the server. Each gateway device stores group information of the gateway device. The transmission control unit of each gateway device controls forwarding of the information from the server. When the server selects a gateway device according to an application request of a user and sends an application instruction to the gateway device, the selected gateway device receives the application instruction and forwards the application instruction to the gateway devices which can communicate with the terminals related to the application requested by the user and are in the same group with the selected gateway device.

The invention provides a train communication network architecture based on the Ethernet. The train communication network architecture comprises an Ethernet marshalling network; an Ethernet train backbone network which comprises a first network plane and a second network plane, physical layers of the first network plane and the second network plane are mutually independent, and the first network plane and the second network plane share one Ethernet marshalling network, wherein the first network plane and the second network plane are respectively connected in series with two Ethernet train backbone network nodes in each train, each Ethernet train backbone network node is provided with an ETBN switch, and the ETBN switches are connected with the Ethernet marshalling network. The invention further provides a train communication method and a rail train adopting the network architecture. According to the train communication network architecture, the method and the rail train provided by the invention, the number of nodes and the number of messages in initial operation of the train can be effectively reduced, the influence of fault points on train operation is reduced, and safe and reliable train operation is ensured.

The invention discloses a parallelization Byzantine fault tolerance method applied to a blockchain consensus mechanism, and the consensus algorithm comprises a plurality of consensus partitions running in parallel at a bottom layer and independent verification partitions running at an upper layer, and the consensus partitions and the independent verification partitions jointly form a layered parallelization consensus verification system. The underlying consensus partitions respectively, independently and parallelly receive task requests (a pre-preparation stage, namely a Pre-prepare stage); and then, a message request service (a preparation stage, namely a Prepart stage) is executed, and meanwhile, signature of an execution result is achieved by adopting an aggregation signature algorithmin an execution process so as to achieve the purposes of reducing message complexity and improving system throughput. Besides, according to the algorithm design, the Commit stage message of the current consensus process and the Prepare stage message of the next consensus process are combined and sent, so that the purposes of compressing the communication rounds and reducing the communication overhead are achieved, the throughput of the system is further improved, and the average time delay is reduced.

The invention provides a Byzantine fault-tolerant consensus method based on quantum key distribution aiming at the quantum computer attack problem of a classical block chain consensus mechanism. Firstly, for the security problem existing in public key digital signatures, an MH-USS unconditional security signature scheme based on quantum key distribution and a multi-linear hash function family is provided, and the signature has unforgeability, non-repudiation and transmissibility, can be realized on existing equipment and has high practical value. Secondly, in order to solve the problem that the consensus efficiency of a classic Byzantine fault-tolerant consensus mechanism PBFT is relatively low, the invention provides a QS-BFT (Quality secured-Byzantine Fault Topology) consensus method. By adding a'fast-standard' double-consensus mode and allowing nodes to vote for empty blocks, the number of system communication times is reduced, the view conversion process is avoided, the scheme has security and activity, the message complexity can be effectively reduced, and the consensus efficiency is improved.

The invention discloses a pluggable information bus device based on a subscribing mode and a realizing method thereof. The pluggable information bus device based on a subscribing mode comprises an information center and applying programs, wherein the information center is used for receiving the registration and subscribing information of an applying program and sending information to the applying program and also sends information and receives the information sent from the applying program; and the applying programs are used for sending the registration information, sending information to the information center and receiving information. After the information center technology of the invention is used, the information amount and the signal path quantity on the network in the utilization of the applying system are greatly reduced, the workload of signal path maintenance is relieved, and the expansibility of the system is greatly reinforced. The technical expansion and the multiplexing of the information transit station are simple and can be conveniently operated and realized in the solution scheme to achieve the purpose of complex information transmission among the applying programs.

The related switch method in wireless communication system comprises: first, SBS of UE determines the UE needs indeed switch operation, obtains target BS message from an intermediate entity; the intermediate entity reports the original and target BS message to SBS; then, according to BS message, SBS executes the switch operation. This invention releases whole system loading, decreases message quantity, and reduces the process complexity for original BS.

The invention discloses a message processing method and a system framework. The system framework comprises network devices, network device management systems and an SDN controller. The SDN controller is connected with the M network device management systems. The M network device management systems are connected with the N network devices respectively, wherein M and N are both positive integers. The message processing method applied to the message processing system framework includes the steps of receiving messages through the network devices, sending the messages to the corresponding network device management systems when the messages are the first packet of data messages, receiving the first packet of data messages sent by the corresponding network devices through the network device management systems, determining forwarding routes of the first packet of data messages by searching a local route database, and forwarding the first packet of data messages according to the forwarding route, wherein the local route database stores routes, calculated and sent by the SDN controller in advance, between virtual machines in a corresponding virtual network. Thus, the performance consumption of the SDN controller is lowered, and the scale of the network controlled by the SDN controller can be easily improved.

The invention discloses a block chain consensus performance optimization method. The method comprises the steps of constructing a credibility data set of each consensus node according to attributes of each consensus node in a block chain; performing classification evaluation on the credibility data set through a trained C4.5 classification model to confirm the credibility level of each consensus node; giving corresponding voting weights to the consensus nodes according to the credibility levels, wherein the higher the credibility levels of the consensus nodes are, the larger the corresponding voting weights are; selecting a main node, and managing and controlling the Byzantine problem occurring in the operation process of the main node by using the intelligent contract; sending the block request log of the consensus node to a Kafka message queue, and completing a check point protocol based on FIFO characteristics; and detecting the consensus performance of the block chain system by using a HyperledgerFabric alliance chain. The problem of frequent view switching due to the fact that a dishonest node serves as a main node and the problem of overlarge network overhead due to the fact that a garbage collection mechanism is frequently started in traditional PBFT are solved.

This invention discloses one method for service high speed down common transmission channel HS-DSCH area switch, which comprises the following steps: service wireless network controller SRNC takes indication message during the area switch in front or back area or user terminals; after activating switch back aim service HS-DSCH area high speed down set interface of HSDPA and removing front source service HS-DSCH area of HSDPA.

The invention discloses a distributed P2P media source retrieval system which comprises: a region relegation server for managing the distribution of part of the media in each region; an overall relegation server for managing the statistics of the number of copies of part of the media in each region; and a user node for reporting the media copies and the service ability of the media to the region relegation server in the preset mode. The distributed P2P media source retrieval system can greatly reduce cross-region flow and improve media service quality.

The invention discloses a method for establishing local exchange, core network equipment and a base station subsystem, wherein the method for establishing the local exchange comprises the following steps of: receiving a first message which is from a first base station subsystem and requests for switching; and determining that two calls forming a conversation after switching is finished are both positioned in a second base station subsystem according to the first message requesting for switching, sending a second message requesting for switching to the second base station subsystem when the condition of the local exchange is satisfied, and indicating the second base station subsystem to establish the local exchange for the two calls after the switching is succeeded. Because an additional flow for establishing the local exchange needs not to be added in the technical scheme of the invention, the local exchange is realized while switching, thereby saving the execution time of the flow and saving the message quantity of an A interface. Because a single flow is not needed for establishing the local exchange, an adverse influence on the conversation quality can not be generated due to the establishment of the local exchange, thereby improving the user experience.

The invention discloses a method of selecting a local field manager to solve the problem that a large amount of system resource has been occupied using the local field manager LM in the existing technique. A field member device in the field sends a request message of voting LM, wherein the request message carries over capability information of an initiation device. The other field member devices in the field receiving the request message compare the LM capability of the said device and the said initiation device, when judging that the LM capability of the said device is stronger than the LM capability of the said initiation device, a response message with the said capability information of the said device is sent. The device with the strongest LM capability in the said initiation device and all the field devices for sending the response information sends the message information of vote result to the other field member devices. The invention also discloses a communication device and a communication system.

The invention discloses an improved Kerberos identity authentication system and method based on a quantum communication network. The improved Kerberos identity authentication system comprises a user terminal A, a user terminal B and a quantum network service station. The user terminal A sends a first authentication request for identity authentication with the user terminal B to the quantum networkservice station. The quantum network service station sends proof to the user terminal B in response to the first authentication request and also sends proof to the user terminal A through the user terminal B. The user terminal A and the user terminal B generate tickets and exchange the tickets on the basis of the obtained proof to implement the first authentication. The user terminal A also sendsa second authentication request to the user terminal B according to the ticket obtained from the user terminal B, and the user terminal B responds to the second authentication request and exchanges the tickets with the user terminal A to perform the second authentication. Based on the quantum communication network, the security of the improved Kerberos identity authentication system and method are further improved.

The invention discloses a deadlock detection method based on side tracing for a distributed system. The deadlock detection method comprises the following steps: S1, initially judging whether deadlock has occurred in the distributed system according to the state of the distributed system by each node in the distributed system, and initially judging the nodes performing deadlock as initiating nodes for deadlock detection to begin to carry out deadlock detection; S2, sending probe messages to the nodes depending on the initiating nodes by the initiating nodes; S3, receiving the non-initiating nodes of the probe messages and transmitting the probe messages to the nodes depending on the non-initiating nodes; S4, after all the probe messages of the nodes depending on the non-initiating nodes are received by the non-initiating nodes, sending the dependency messages of the non-initiating nodes to the initiating nodes by the non-initiating nodes; and S5, judging whether deadlock occurs according to dependency among the nodes after the dependency messages of all the non-initiating nodes are received by the initiating nodes. Compared with an existing method, the quantity of transmitted messages in the deadlock detection process can be reduced.

The invention discloses a method, a device and a related system for Ranging. When the Ranging comes to a successful condition in the Ranging process, a UL-MAP message indicating the successful condition of Ranging is sent to a terminal and the ranging process continues with the Ranging information. The technical proposal of the invention reduces the messages sent from the terminal of a network in the Ranging process, thus enhancing the bandwidth efficiency.

The invention provides a method for eliminating congestion in a paging sub-channel and wireless network control equipment. The method comprises that according to the amount of paging messages received by an IU interface, the amount of paging messages which need scheduling and sending in the paging sub-channel is determined; the paging capacity of the paging sub-channel is obtained; and when the amount of the paging messages which need scheduling and sending in the paging sub-channel is greater than or equivalent to a paging capacity threshold, which is lower than the paging capacity, of the paging sub-channel, paging reasons of the paging message which need scheduling and sending in the paging sub-channel are checked; and according to a paging reason of each paging message, the paging message which need scheduling and sending are sent according to a preset paging priority sequence. Thus, congestion caused by unreasonable IMSI distribution of the paging sub-channel can be avoided, the equipment load is reduced effectively, and the equipment stability is improved.

The embodiment of the invention relates to the field of satellite communication, and discloses a session control method and a satellite ground station. In the embodiment of the invention, the sessioncontrol method is applied to a satellite ground station in a satellite communication system, one of a satellite terminal and an IMS is a requester, and the other one is a requested party, the sessioncontrol method comprises the following steps: receiving a first request message sent by the requester, sending a second request message to the requested party according to the first request message, receiving a first response message sent by the requested party, and sending second response information to the requesting party according to the first response message, wherein the satellite ground station is connected with the satellite terminal through a satellite link, and the satellite ground station is connected with the IMS through a ground network and communicates with the IMS based on a preset session control protocol. The embodiment of the invention also provides a satellite ground station. According to the embodiment of the invention, the time delay of satellite communication is greatly reduced.

The invention discloses a metadata processing method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: reading original metadata information on a bucket index fragment in a storage bucket, and carrying out aggregation operation on the original metadata information on the same bucket index fragment to obtain aggregated metadata information; storing the aggregated metadata information to a bucket index metadata fragment, and storing attribute information of the aggregated metadata information to the bucket index fragment; and deleting the original metadata information on the bucket index fragment. Therefore, according to the metadata processing method, the size of the single bucket index fragment is reduced, so that the reconstruction speed during fault recovery and the synchronization speed between the sites are improved.

The embodiment of the invention provides a method and a system for collecting user internet-surfing behavior based on SDN (Software Defined Network). The method comprises the following steps: receiving a private message sent from a controller by a switch in the SDN, wherein the private message comprises a record number, and a keyword for user internet-surfing behavior analysis; carrying out pre-analysis on received user messages by the switch according to the keyword for the user internet-surfing behavior analysis, obtaining message information corresponding to the keyword for the user internet-surfing behavior analysis in the user messages, and recording the message information to an information database; and when the number of the message information in the information database reaches to the record number, consolidating the message information in the information database, and sending the message information to the controller. According to the method and the system disclosed by the invention, the number of the user messages received by the controller can be reduced, and the controller is prevented from being attacked.

The method comprises: the access network initiates a negotiation to the access terminal to decide the negotiation parameters of listen-in control channel cycle of the access terminal; the cycle defined by the parameters is used in group addressing; after successful negotiation, the access network uses the message address to show the message is a group message and carries the ID of the group when sending the group message, and sends the group message in the control channel cycle used in group addressing; according to the protocol rules and his own negotiation parameters, the access terminal determines and listens in the cycles of all control channel required to be listened in, and uses his own group ID to make match in the control channel cycle used in group addressing in order to decide if it a group message sent to his own group.