Abstract: This application discloses a data transmission method and a device. The method includes: A sender endpiont constructes n streams through an interface provided by a QUIC protocol, and sets attribute information of the streams (or sets different attribute information for different data blocks in a same stream). The sender endpiont transfers the attribute information of the streams to a first network node by using a first extended frame (or transfers the attribute information of the different data blocks in the same stream by using a second extended frame). The first or second extended frame is a frame obtained by performing protocol extension on the QUIC protocol. After receiving the first or second extended frame, the first network node determines, according to a sending policy of the first network node, routing, caching, and distribution of a target data stream, and continues to deliver the attribute information.

Abstract: Embodiments of this application disclose a data transmission method, a device, and a computer-readable storage medium. The method in embodiments of this application includes: a first end sends, to a second end, a transport layer protocol connection establishment request message carrying first capability information, and receives a transport layer protocol connection establishment response message from the second end, where the first capability information indicates a support status of the first end for a plurality of types of indication information, and second capability information carried in the transport layer protocol connection establishment response message indicates a support status of the second end for the plurality of types of the indication information or indicates a joint support status of the first end and the second end for the plurality of types of the indication information. a message carrying indication information of the first subtype.

Abstract: The technology of this application relates to an acknowledgement packet processing method, a communications apparatus, and a storage medium, to reduce an ACK sending frequency and improve data transmission efficiency. The acknowledgement packet processing method is applied to a first communications apparatus, and the method includes generating a first ACK packet based on an acknowledgement ACK mechanism supported by the first communications apparatus, where the ACK mechanism is used to indicate N ACK types corresponding to N ACK packets, a trigger condition required for sending each of the N ACK packets, and feedback information carried in each of the N ACK packets, the first ACK packet is one of the N ACK packets, and N is a positive integer greater than or equal to 2. The method further includes sending the first ACK packet to a second communications apparatus.

Abstract: This application discloses a connection establishment method implemented in an end node of the connection. The method includes: obtaining transmission status information of at least two available paths, the transmission status information of each available path of the at least two available paths indicates transmission performance of the each available path, the at least two available paths corresponding to different types of networks; determining a better available path with better transmission performance, the better available path determined based on the transmission status information of the at least two available paths; and establishing the connection using a network corresponding to the better available path.

Abstract: The present invention discloses a policy control method and system, and a relevant apparatus. The method includes: receiving, by a policy decision apparatus, a control policy request sent by a gateway device, where the control policy request carries a subscriber identifier; sending, by the policy decision apparatus, a session request message carrying the subscriber identifier to a charging system; receiving, by the policy decision apparatus, a response message; receiving, by the policy decision apparatus, a notification message sent through an established session by the charging system, and generating a service data flow control policy according to information of an occurred charging relevant event; and sending, by the policy decision apparatus, the control policy to the gateway device. The method may implement, based on charging relevant information of a subscriber, policy control of a data flow, flexibility is desirable, and service experience of the subscriber is good.

Abstract: The present invention discloses a policy control method and system, and a relevant apparatus. The method includes: receiving, by a policy decision apparatus, a control policy request sent by a gateway device, where the control policy request carries a subscriber identifier; sending, by the policy decision apparatus, a session request message carrying the subscriber identifier to a charging system; receiving, by the policy decision apparatus, a response message; receiving, by the policy decision apparatus, a notification message sent through an established session by the charging system, and generating a service data flow control policy according to information of an occurred charging relevant event; and sending, by the policy decision apparatus, the control policy to the gateway device. The method may implement, based on charging relevant information of a subscriber, policy control of a data flow, flexibility is desirable, and service experience of the subscriber is good.

Abstract: The present invention discloses a policy control method and system, and a relevant apparatus. The method includes: receiving, by a policy decision apparatus, a control policy request sent by a gateway device, where the control policy request carries a subscriber identifier; sending, by the policy decision apparatus, a session request message carrying the subscriber identifier to a charging system; receiving, by the policy decision apparatus, a response message; receiving, by the policy decision apparatus, a notification message sent through an established session by the charging system, and generating a service data flow control policy according to information of an occurred charging relevant event; and sending, by the policy decision apparatus, the control policy to the gateway device. The method may implement, based on charging relevant information of a subscriber, policy control of a data flow, flexibility is desirable, and service experience of the subscriber is good.

Abstract: An intelligent communications method, terminal, and system, which relates to the field of communications technologies, where the method includes generating a feature code of the first terminal, generating a voice packet according to the feature code, where the voice packet includes the feature code, sending the voice packet to the second terminal using the voice channel, sending the feature code of the first terminal to a server, for security authentication, where the security authentication is completed by the server based on the feature code of the first terminal and a received feature code of the second terminal, and establishing a data link channel between the first terminal and the second terminal after the security authentication succeeds, and hence, seamless integration between a voice and a message is achieved, which facilitates effective communication mode in a special case.

Abstract: Embodiments of the present disclosure disclose a data synchronization method, system and apparatuses thereof. The data synchronization method includes the following processes: sending, by a client, a data characteristic verification message carrying one or multiple data characteristics for data in a client database, to a server; comparing, by the server, the one or multiple data characteristics carried in the data characteristic verification message with the data characteristics for the data in a server database; determining, by the server, the data to be synchronized based on a result of the comparing and sending the client a data characteristic verification response carrying information indicating the determined data to be synchronized. The method, system and apparatus thereof provided by the embodiments of the present disclosure can reduce the amount of data to be transmitted in data synchronization, and improve the efficiency of data synchronization.

Abstract: The present invention discloses a policy control method and system, and a relevant apparatus. The method includes: receiving, by a policy decision apparatus, a control policy request sent by a gateway device, where the control policy request carries a subscriber identifier; sending, by the policy decision apparatus, a session request message carrying the subscriber identifier to a charging system; receiving, by the policy decision apparatus, a response message; receiving, by the policy decision apparatus, a notification message sent through an established session by the charging system, and generating a service data flow control policy according to information of an occurred charging relevant event; and sending, by the policy decision apparatus, the control policy to the gateway device. The method may implement, based on charging relevant information of a subscriber, policy control of a data flow, flexibility is desirable, and service experience of the subscriber is good.

Abstract: The present invention discloses a policy control method and system, and a relevant apparatus. The method includes: receiving, by a policy decision apparatus, a control policy request sent by a gateway device, where the control policy request carries a subscriber identifier; sending, by the policy decision apparatus, a session request message carrying the subscriber identifier to a charging system; receiving, by the policy decision apparatus, a response message; receiving, by the policy decision apparatus, a notification message sent through an established session by the charging system, and generating a service data flow control policy according to information of an occurred charging relevant event; and sending, by the policy decision apparatus, the control policy to the gateway device. The method may implement, based on charging relevant information of a subscriber, policy control of a data flow, flexibility is desirable, and service experience of the subscriber is good.

Abstract: The present invention discloses a service configuration method and apparatus, relating to the field of communication network technologies. The method includes: parsing a received service request to obtain a service identifier; determining, according to a mapping relationship between the service identifier and an invoked service or a relationship between the service identifier and an invoked service interface, a target service or a target service interface corresponding to the service identifier; converting a format of the service request into a format of the target service or a format of the target service interface according to a rule of conversion between a service and the invoked service or the invoked service interface; and forwarding the service request in the converted format to the target service or the target service interface. The solutions provided in embodiments of the present invention can reduce redundant data in a system and improve system processing performance.

Abstract: Embodiments of the present disclosure disclose a data synchronization method, system and apparatuses thereof. The data synchronization method includes the following processes: sending, by a client, a data characteristic verification message carrying one or multiple data characteristics for data in a client database, to a server; comparing, by the server, the one or multiple data characteristics carried in the data characteristic verification message with the data characteristics for the data in a server database; determining, by the server, the data to be synchronized based on a result of the comparing and sending the client a data characteristic verification response carrying information indicating the determined data to be synchronized. The method, system and apparatus thereof provided by the embodiments of the present disclosure can reduce the amount of data to be transmitted in data synchronization, and improve the efficiency of data synchronization.

Abstract: Embodiments of the present disclosure disclose a data synchronization method, system and apparatuses thereof. The data synchronization method includes the following processes: sending, by a client, a data characteristic verification message carrying one or multiple data characteristics for data in a client database, to a server; comparing, by the server, the one or multiple data characteristics carried in the data characteristic verification message with the data characteristics for the data in a server database; determining, by the server, the data to be synchronized based on a result of the comparing and sending the client a data characteristic verification response carrying information indicating the determined data to be synchronized; and determining, by the client, the data to be synchronized according to the information in the data characteristic verification response, and synchronizing the determined data to be synchronized with the server.

Abstract: A method, system and device for device capabilities exchange are provided. The method for device capabilities exchange includes: receiving a device capability exchange request sent from an initiating Diameter node; and returning a device capability exchange answer to the initiating Diameter node according to a state of a state machine of a receiving Diameter node or a request type in the device capability exchange request. The method can optimize the existing method for updating and negotiating device capability information when a Diameter device is upgraded, reduce the amount of data exchanged over the network, reduce the repetition of database update performed by the Diameter nodes, and improve the robustness of network connection and system processing.

Abstract: Embodiments of the present invention relate to a charging method and system for a Push-to-talk over Cellular (PoC) system. The charging method for a PoC system includes: after sending an initial online charging request to an Online Charging System (OCS), receiving an initial online charging response message that is sent by the OCS and carries a downlink channel type switching trigger variable; monitoring a type of a downlink channel used by a PoC service according to the downlink channel type switching trigger variable; and sending an online charging request to the OCS if switching of the type of the downlink channel used by the PoC service is detected, where the online charging request includes a switched type of the downlink channel. The embodiments of the present invention implement precise and proper charging for a PoC client when the PoC client switches a channel.

Abstract: A charging process method, relating to communication network, is disclosed according to embodiments of the present invention. The method includes receiving a charging request containing a type of a second method when the method for a user equipment to access a packet data network gateway has been changed from a first method to the second method; performing, based on the charging request, charging control over the used service units in a charging mode corresponding to the first method for the user equipment to access the packet data network gateway and reserving service units for the charging session for the second method based on a charging mode corresponding to the second method for the user equipment to access the packet data network gateway. A network system, a packet data network gateway and a charging system are provided according to embodiments of the present invention accordingly.

Abstract: A method, system, and apparatus are described for locking information. Specifically, a server sends a lock message carrying lock object information to a mobile terminal; the mobile terminal locks a lock object according to the lock message, the lock object corresponding to the lock object information. With the solutions provided in the embodiments of the invention, a server may lock information for a mobile terminal, so as to prevent other servers from manipulating the information.

Abstract: A charging method is disclosed according to one embodiment of the present disclosure. The method includes receiving a message transmission request carrying message content to be transmitted; generating a message conversion charging ID if the message content is to be converted; sending charging information carrying the message conversion charging ID and performing charging control on the message sender based on the message conversion charging ID. A charging system and apparatus are also disclosed according to embodiments of the present disclosure. With the present disclosure, the charging of message service becomes more flexible and the user experience is improved.

Abstract: A method, system, and apparatus are described for locking information. Specifically, a server sends a lock message carrying lock object information to a mobile terminal; the mobile terminal locks a lock object according to the lock message, the lock object corresponding to the lock object information. With the solutions provided in the embodiments of the invention, a server may lock information for a mobile terminal, so as to prevent other servers from manipulating the information.