WO2018014708A1 - Procédé et dispositif de transmission de données - Google Patents

Procédé et dispositif de transmission de données Download PDF

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Publication number
WO2018014708A1
WO2018014708A1 PCT/CN2017/090642 CN2017090642W WO2018014708A1 WO 2018014708 A1 WO2018014708 A1 WO 2018014708A1 CN 2017090642 W CN2017090642 W CN 2017090642W WO 2018014708 A1 WO2018014708 A1 WO 2018014708A1
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Prior art keywords
node
hoc
identifier
service data
connection information
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PCT/CN2017/090642
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English (en)
Chinese (zh)
Inventor
邓停东
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中兴通讯股份有限公司
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Publication of WO2018014708A1 publication Critical patent/WO2018014708A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a data transmission method and apparatus.
  • a mobile terminal implements an instant messaging function by accessing a mobile IP network.
  • an access provider of a mobile IP network usually charges a fee according to data traffic, so that the cost of realizing the instant messaging function of the mobile terminal is achieved. Higher.
  • the main purpose of the present disclosure is to provide a data transmission method and apparatus, aiming at reducing the cost of realizing the instant messaging function of the mobile terminal.
  • the present disclosure provides a data transmission method, where the data transmission method includes:
  • connection information transmitting, according to the connection information, the service data to an associated Ad Hoc node based on an Ad Hoc network.
  • the method before the step of extracting the node identifier of the destination node carried by the service data, the method further includes:
  • the node identifier of the source node carried by the service data is extracted
  • the step of performing the extracting the node identifier of the destination node carried by the service data is performed.
  • the method further includes:
  • the service data is discarded.
  • the method further includes:
  • the association relationship between the IP node and the associated Ad Hoc node is deleted.
  • the data transmission method further includes:
  • the present disclosure further provides a data transmission apparatus, where the data transmission apparatus includes:
  • the extracting module is configured to: when the IP node receives the service data, extract a node identifier of the destination node carried by the service data;
  • An acquiring module configured to acquire connection information of the stored Ad Hoc node associated with the IP node when the node identifier of the destination node is the same as the node identifier of the IP node;
  • the CC module is configured to transmit the service data to the associated Ad Hoc node based on the Ad Hoc network according to the connection information.
  • the extracting module is further configured to: when the IP node receives the service data, extract the node identifier of the source node carried by the service data; and further configure the node identifier of the source node and the node identifier of the IP node. At the same time, the node identifier of the destination node carried by the service data is extracted.
  • the extraction module is further configured to discard the service data when the node identifier of the source node is the same as the node identifier of the IP node.
  • the data difference transmission device further includes:
  • And deleting the module configured to delete the association relationship between the IP node and the associated Ad Hoc node when receiving the revocation instruction sent by the associated Ad Hoc node.
  • the data transmission device further includes:
  • an update module configured to: when receiving the connection information of the transmission of any Ad Hoc node in the Ad Hoc network, update the connection information of the Ad Hoc node that is stored by the IP node and transmits the connection information.
  • the data transmission method and device provided by the disclosure are applied to an IP node that simultaneously accesses an IP network and an Ad Hoc network, and when the service data is received by the IP node, the received service data is transmitted by using the accessed Ad Hoc network to The associated Ad Hoc node implements CC copying of service data, thereby avoiding the consumption of traffic of the Ad Hoc node.
  • the IP node can be used to copy the instant communication data, thereby reducing the cost of realizing the instant messaging function of the mobile terminal.
  • FIG. 1 is a schematic flow chart of a first embodiment of a data transmission method according to the present disclosure
  • FIG. 2 is a diagram showing an example of a topology structure of an Ad Hoc converged communication system in a first embodiment of the data transmission method of the present disclosure
  • FIG. 3 is a schematic block diagram of a first embodiment of a data transmission apparatus according to the present disclosure.
  • the data transmission method includes:
  • Step S10 When the IP data is received by the IP node, extract the node identifier of the destination node carried by the service data.
  • an Ad Hoc network is a multi-hop, centerless, self-organizing wireless network, also known as a multi-hop network, an infrastructure-free network, or a self-organizing network.
  • the entire network has no fixed infrastructure, each Ad Hoc Festival Points are mobile and can dynamically maintain contact with other Ad Hoc nodes in any way.
  • Each Ad Hoc node due to the limited wireless coverage of the Ad Hoc node, two Ad Hoc nodes that cannot communicate directly can be forwarded by other nodes.
  • Each Ad Hoc node is also a router that performs discovery and maintains the routing to other Ad Hoc nodes.
  • the data transmission method proposed in this embodiment is applied to the Ad Hoc converged communication system shown in FIG. 2, and is used for implementing CC data transmission, which is specifically performed by the data transmission apparatus.
  • an IP node and an Ad Hoc node are included, wherein the IP node accesses both the Ad Hoc network and the IP network.
  • the IP node may be operated by a PC (Personal Computer, a personal computer, or a personal computer), and accesses the IP network through a wired manner, and accesses the Ad Hoc network through the set Wi-Fi module;
  • the Ad Hoc node includes Mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (tablets), game consoles, and PMPs (portable multimedia players).
  • the data transmission device detects the service data received by the IP node, and when the IP node receives the service data, parses the received service data, and extracts the node identifier of the destination node carried by the service data. .
  • the node identifier is used to uniquely identify an Ad Hoc node in the Ad Hoc network.
  • the data transmission device After extracting the node identifier of the destination node carried by the received service data, the data transmission device compares the extracted node identifier of the target node with the node identifier of the IP node where it is located to determine whether the IP node is the received service. The destination node of the data.
  • the IP node When the node identifier of the destination node is different from the node identifier of the IP node, the IP node is not the destination node of the received service data, and the data transmission device obtains the association information of the node identifier and the connection information stored by the IP node. The connection information to the destination node is then forwarded to the destination node based on the Ad Hoc network based on the connection information of the destination node.
  • Step S20 When the node identifier of the destination node is the same as the node identifier of the IP node, obtain the connection information of the stored Ad Hoc node associated with the IP node.
  • the IP node When the node identifier of the destination node is the same as the node identifier of the IP node, the IP node is the destination node of the received service data, and the data transmission device identifies whether the IP node has an associated Ad Hoc node, and if so, obtains the stored Connection information of the Ad Hoc node associated with the IP node. It should be noted that when an IP node has an associated Ad Hoc node, the node identifier of the IP node is the same as the node identifier of the associated Ad Hoc node, and the data transmission device is specifically based on the association information of the node identifier and the connection information stored by the IP node.
  • connection information associated with the node identifier of the IP node since the node identifier of the IP node is the same as the node identifier of the associated Ad Hoc node, the node identifier of the IP node is associated with the connection information of the IP node and its associated Ad Hoc Connection information of the node, after acquiring the connection information associated with the node identifier of the IP node, the data transmission device uses the connection information other than the connection information of the IP node in the acquired connection information as the Ad Hoc node associated with the IP node. Connection information.
  • Step S30 Transmit the service data to the associated Ad Hoc node based on the Ad Hoc network according to the connection information.
  • connection information of the Ad Hoc node associated with the IP node After obtaining the connection information of the Ad Hoc node associated with the IP node, according to the connection information of the associated Ad Hoc node, the service data received by the IP node is transmitted to the Ad Hoc node associated with the IP node based on the Ad Hoc network. CC copy of current business data.
  • the connection information includes at least an IP address and a receiving port number of the receiving end, and may also include a MAC address of the receiving end.
  • IP node needs to be associated with the Ad Hoc node that needs to copy the service data.
  • the following IP node is the PC, Ad Hoc.
  • the node is a mobile phone, and the associated operation of the IP node and the Ad Hoc node is described.
  • the user selects the original identifier for calculating the node identifier based on the association interface provided by the mobile phone.
  • the mobile phone number of the mobile phone or the MAC address of the mobile phone is used as the original identifier selected by the user.
  • the mobile phone uses a hash algorithm such as MD5 to calculate a hash value of the original identifier corresponding to the selection information, and uses the calculated hash value as its node identifier.
  • the mobile phone extracts the mobile phone number carried by the SIM card, and uses the MD5 algorithm to calculate and extract the hash value of the mobile phone number as its node identifier.
  • the user inputs the original identifier for calculating the node identifier based on the association interface provided by the PC (here, the same original identifier as that selected in the mobile phone needs to be input).
  • the PC calculates the hash value of the input original identifier by using the same hash algorithm of the mobile phone, and uses the calculated hash value as its node identifier. For example, the user selects the mobile phone number of the mobile phone as the original identifier of the mobile phone computing node identifier in the mobile phone.
  • the user needs to input the mobile phone number of the mobile phone as the PC to calculate the original identifier of the node identifier, correspondingly, After receiving the mobile phone number of the mobile phone input by the user, the PC uses the hash value of the mobile phone number input by the MD5 algorithm, and uses the calculated hash value as its node identifier.
  • the IP node calculates its node identifier
  • the association between the Ad Hoc node and the IP node is completed.
  • the same node identifier (after the association between the Ad Hoc node and the IP node is completed, the associated Ad Hoc node and the node identifier of the IP node are the same) are associated with the transmission information of the Ad Hoc node.
  • an association identifier that is initially 0 may also be set on the IP node, and after the association between the Ad Hoc node and the IP node is completed, the association identifier is set to 1.
  • the received Ad Hoc network transmits the received service data to its associated Ad Hoc node when receiving the service data.
  • the CC data of the service data is realized, thereby avoiding the consumption of traffic of the Ad Hoc node.
  • the IP node can be used to copy the instant communication data, thereby reducing the cost of realizing the instant messaging function of the mobile terminal.
  • the method further includes:
  • the node identifier of the source node carried by the service data is extracted
  • step S10 When the node identifier of the source node is different from the node identifier of the IP node, the process proceeds to step S10.
  • the transmitted service data carries the active node in addition to the node identifier of the destination node.
  • the node identifier is used to determine whether the received service data is loopback service data, where the source node is the sender that initially sends the service data.
  • the data transmission device when detecting that the IP node receives the service data, the data transmission device first parses the received service data, extracts the node identifier of the source node carried by the service data, and extracts the carried the received service data. After the node identifier of the source node, the data transmission device compares the node identifier of the source node with the node identifier of the IP node where the data node is located to determine whether the service data is loopback service data.
  • the received service data is non-loopback service data, that is, the service data sent by other nodes, and the data transmission device extracts the purpose of the received service data.
  • the node identifier of the node is used to start the process of copying the foregoing service data.
  • the method further includes:
  • the service data is discarded.
  • the received service data is loopback service data, that is, the service data is initially sent by the IP node, and finally sent back to the IP node.
  • the transmission device directly discards the received service data and does not process it.
  • step S30 the method further includes:
  • the association relationship between the IP node and the associated Ad Hoc node is deleted.
  • the association between the IP node and the Ad Hoc node can be cancelled.
  • the following uses the Ad Hoc node as the mobile phone, and the IP node is the PC to explain the association between the Ad Hoc node and the IP node.
  • the PC After detecting the mobile phone (that is, the mobile phone associated with the PC) whose same identity as the node is connected to the Ad Hoc network, the PC sends a prompt message to the detected mobile phone.
  • the mobile phone displays the received prompt information for the user to confirm whether to open the CC copy function of the PC; when receiving the information of the "open CC function" input by the user The mobile phone can maintain its current relationship with the PC without processing it; when receiving the information of the "closed CC function" input by the user, the mobile phone sends an undo CC command to the PC.
  • the PC when the PC receives the revocation CC command sent by the mobile phone, the PC recalculates its node identifier.
  • the PC uses its MAC address as the original identifier of the compute node identifier, and uses the MD5 algorithm to calculate the hash value of its MAC address, and uses the calculated hash value as its node identifier.
  • the association relationship between the connection information and the node identifier of the mobile phone is deleted, and the association identifier is set to 0 to complete the cancellation of the association relationship.
  • the PC may also send a prompt message that the “association relationship has been released” to the mobile phone, and the mobile phone performs the display.
  • the data transmission method further includes:
  • this embodiment further increases the update operation of the connection information of the Ad Hoc node based on the foregoing embodiment. For differences, description may be made. Others may refer to the foregoing embodiments, and details are not described herein again.
  • the Ad Hoc node when accessing the Ad Hoc converged communication system of the present disclosure, the Ad Hoc node automatically allocates an IP address (refer to the existing Ad Hoc technology for IP address allocation), and broadcasts an online notification.
  • the Ad Hoc node is a mobile phone
  • the online notification broadcast by the Ad Hoc node includes the mobile phone number, the MAC address, the IP address, and the node identifier.
  • the MAC address and IP address of the Ad Hoc node are the connection information, and the MAC address is specifically Layer 2 connection information, and the IP address is specifically Layer 3 connection information.
  • the data transmission device parses out the connection information, and updates the connection information associated with the same node identifier stored in the IP node to the parsed according to the node identifier carried in the online notification.
  • Connection information including updates to MAC addresses and IP addresses.
  • the IP node automatically assigns an IP address when accessing the Ad Hoc converged communication system of the present disclosure, wherein the IP node accesses the network card of the Ad Hoc network by default because the IP node accesses the IP network and the Ad Hoc network at the same time. Assign an IP address.
  • the data transmission device simultaneously broadcasts an online notification of the IP node. Specifically, when the IP node is a PC, the online notification of the broadcasted IP node includes a host name, an IP address, a MAC address, a node identifier, and a terminal type.
  • the IP node and each Ad Hoc node periodically broadcast their connection information.
  • the IP node and the Ad Hoc node broadcast an offline notification before leaving the accessed Ad Hoc converged communication system.
  • both the IP node and the Ad Hoc node are provided with a buddy list for displaying when needed.
  • the buddy list of the IP node includes the mobile phone number and the MAC address of each Ad Hoc node in the Ad Hoc converged communication system;
  • the buddy list of the Ad Hoc node includes the IP node. Host name and MAC address.
  • the data transmission device deletes the related entry of the Ad Hoc node that broadcasts the offline notification in the buddy list of the IP node.
  • the Ad Hoc node When receiving an offline notification broadcast by another Ad Hoc node or an IP node, the Ad Hoc node deletes related entries of other Ad Hoc nodes or IP nodes in the buddy list that broadcast the offline notification.
  • the present disclosure also provides a data transmission apparatus for performing the foregoing data transmission method.
  • the data transmission apparatus include:
  • the extracting module 10 is configured to: when the IP node receives the service data, extract the node identifier of the destination node carried by the service data;
  • an Ad Hoc network is a multi-hop, centerless, self-organizing wireless network. Also known as multi-hop network, no infrastructure network or self-organizing network. The entire network has no fixed infrastructure, and each Ad Hoc node is mobile and can dynamically maintain contact with other Ad Hoc nodes in any way. In the Ad Hoc network, due to the limited wireless coverage of the Ad Hoc node, two Ad Hoc nodes that cannot communicate directly can be forwarded by other nodes. Each Ad Hoc node is also a router that performs discovery and maintains the routing to other Ad Hoc nodes.
  • the data transmission device proposed in this embodiment is applied to the Ad Hoc converged communication system shown in FIG. 2, and is used for implementing CC data transmission, which is specifically performed by the data transmission device.
  • FIG. 2 in the Ad Hoc converged communication system to which the present disclosure is applied, an IP node and an Ad Hoc node are included, wherein the IP node accesses both the Ad Hoc network and the IP network.
  • the IP node may be operated by a PC (Personal Computer, a personal computer, or a personal computer), and accesses the IP network through a wired manner, and accesses the Ad Hoc network through the set Wi-Fi module;
  • the Ad Hoc node includes Mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (tablets), game consoles, and PMPs (portable multimedia players).
  • the extraction module 10 of the data transmission device detects the service data received by the IP node, and when the IP node receives the service data, parses the received service data, and extracts the purpose of the service data.
  • the node identifier is used to uniquely identify an Ad Hoc node in the Ad Hoc network.
  • the extracting module 10 After extracting the node identifier of the destination node carried by the received service data, the extracting module 10 compares the extracted node identifier of the target node with the node identifier of the IP node where it is located to determine whether the IP node is the received service. The destination node of the data.
  • the extraction module 10 instructs the acquisition module 20 to store the node identifier and the connection information based on the IP node.
  • the association information is obtained, and the connection information to the destination node is obtained, and then the CC module 30 forwards the received service data to the destination node based on the connection information of the destination node based on the Ad Hoc network.
  • the obtaining module 20 is configured to obtain, when the node identifier of the destination node is the same as the node identifier of the IP node, obtain the connection information of the stored Ad Hoc node associated with the IP node;
  • the extraction module 10 recognizes that the node identifier of the destination node is the same as the node identifier of the IP node, the IP node is the destination node of the received service data, and the obtaining module 20 identifies whether the IP node has an associated Ad Hoc node, and if so, Obtain the connection information of the Ad Hoc node associated with the stored IP node.
  • the node identifier of the IP node is the same as the node identifier of the associated Ad Hoc node
  • the acquiring module 20 is specifically based on the association information of the node identifier and the connection information stored by the IP node.
  • connection information associated with the node identifier of the IP node since the node identifier of the IP node is the same as the node identifier of the associated Ad Hoc node, the node identifier of the IP node is associated with the connection information of the IP node and its associated Ad Hoc
  • the connection information of the node after acquiring the connection information associated with the node identifier of the IP node, the connection information of the obtained connection information except the connection information of the IP node is used as the Ad Hoc node associated with the IP node. Connection information.
  • the CC module 30 is configured to transmit the service data to the associated Ad Hoc node based on the Ad Hoc network according to the connection information.
  • the CC module 30 is configured according to The connection information of the associated Ad Hoc node is transmitted to the Ad Hoc node associated with the IP node based on the Ad Hoc network to transmit the service data.
  • the connection information includes at least an IP address and a receiving port number of the receiving end, and may also include a MAC address of the receiving end.
  • IP node needs to be associated with the Ad Hoc node that needs to copy the service data.
  • the following IP node is the PC, Ad Hoc.
  • the node is a mobile phone, and the associated operation of the IP node and the Ad Hoc node is described.
  • the user selects the original identifier for calculating the node identifier based on the association interface provided by the mobile phone.
  • the mobile phone number of the mobile phone or the MAC address of the mobile phone is used as the original identifier selected by the user.
  • the mobile phone uses a hash algorithm such as MD5 to calculate a hash value of the original identifier corresponding to the selection information, and uses the calculated hash value as its node identifier.
  • the mobile phone extracts the mobile phone number carried by the SIM card, and uses the MD5 algorithm to calculate and extract the hash value of the mobile phone number as its node identifier.
  • the user inputs the original identifier for calculating the node identifier based on the association interface provided by the PC (here, the same original identifier as that selected in the mobile phone needs to be input).
  • the PC calculates the hash value of the input original identifier by using the same hash algorithm of the mobile phone, and uses the calculated hash value as its node identifier. For example, the user selects the mobile phone number of the mobile phone as the original identifier of the mobile phone computing node identifier in the mobile phone.
  • the user needs to input the mobile phone number of the mobile phone as the PC to calculate the original identifier of the node identifier, correspondingly, After receiving the mobile phone number of the mobile phone input by the user, the PC uses the hash value of the mobile phone number input by the MD5 algorithm, and uses the calculated hash value as its node identifier.
  • the IP node calculates its node identifier
  • the association between the Ad Hoc node and the IP node is completed.
  • the same node identifier (after the association between the Ad Hoc node and the IP node is completed, the associated Ad Hoc node and the node identifier of the IP node are the same) are associated with the transmission information of the Ad Hoc node.
  • an association identifier that is initially 0 may also be set on the IP node, and after the association between the Ad Hoc node and the IP node is completed, the association identifier is set to 1.
  • the data transmission apparatus transmits the received service data to its associated Ad Hoc node by using the accessed Ad Hoc network when receiving the service data by the IP node simultaneously accessing the IP network and the Ad Hoc network.
  • the CC data of the service data is realized, thereby avoiding the consumption of traffic of the Ad Hoc node.
  • the Ad Hoc node is a mobile terminal
  • the IP address provided with the data transmission device is used for copying the instant communication data, thereby reducing the cost of realizing the instant communication function of the mobile terminal.
  • the extraction module 10 is further configured as an IP node.
  • the node identifier of the source node carried by the service data is extracted; and when the node identifier of the source node is different from the node identifier of the IP node, the node of the destination node carried by the service data is extracted.
  • the transmitted service data carries the node identifier of the active node in addition to the node identifier of the destination node, and is used to determine whether the received service data is loopback service data, where the source node is The sender that initially sends the business data.
  • the extraction module 10 when detecting that the IP node receives the service data, the extraction module 10 first parses the received service data, extracts the node identifier of the source node carried by the service data, and extracts the carried service data. After the node identifier of the source node, the extraction module 10 compares the extracted node identifier of the source node with the node identifier of the IP node where it is located to determine whether the service data is loopback service data.
  • the received service data is non-loopback service data, that is, the service data sent by other nodes, and the extraction module 10 extracts the purpose of the received service data.
  • the node identifier of the node is used to start the process of copying the foregoing service data.
  • the extraction module 10 is further configured to discard the service data when the node identifier of the source node is the same as the node identifier of the IP node.
  • the received service data is loopback service data, that is, the service data is initially sent by the IP node, and finally sent back to the IP node, and then extracted.
  • the module 10 directly discards the received service data and does not process it.
  • a third embodiment of the data transmission apparatus of the present disclosure corresponding to the third embodiment of the foregoing data transmission method, in the embodiment, the data difference transmission apparatus further include:
  • And deleting the module configured to delete the association relationship between the IP node and the associated Ad Hoc node when receiving the revocation instruction sent by the associated Ad Hoc node.
  • the association between the IP node and the Ad Hoc node can be cancelled.
  • the following uses the Ad Hoc node as the mobile phone, and the IP node is the PC to explain the association between the Ad Hoc node and the IP node.
  • the PC After detecting the mobile phone (that is, the mobile phone associated with the PC) whose same identity as the node is connected to the Ad Hoc network, the PC sends a prompt message to the detected mobile phone.
  • the mobile phone displays the received prompt information for the user to confirm whether to open the CC copy function of the PC; when receiving the information of the "open CC function" input by the user The mobile phone can maintain its current relationship with the PC without processing it; when receiving the information of the "closed CC function" input by the user, the mobile phone sends an undo CC command to the PC.
  • the PC when the PC receives the revocation CC command sent by the mobile phone, the PC recalculates its node identifier.
  • the PC uses its MAC address as the original identifier of the compute node identifier, and uses the MD5 algorithm to calculate the hash value of its MAC address, and uses the calculated hash value as its node identifier.
  • the association relationship between the connection information and the node identifier of the mobile phone is deleted, and the association identifier is set to 0 to complete the cancellation of the association relationship.
  • the PC may also send a prompt message that the “association relationship has been released” to the mobile phone, and the mobile phone performs the display.
  • a fourth embodiment of the data transmission apparatus of the present disclosure corresponding to the fourth embodiment of the foregoing data transmission method, in the embodiment, the data transmission apparatus further includes :
  • an update module configured to: when receiving the connection information of the transmission of any Ad Hoc node in the Ad Hoc network, update the connection information of the Ad Hoc node that is stored by the IP node and transmits the connection information.
  • this embodiment further increases the update operation of the connection information of the Ad Hoc node based on the foregoing embodiment. For differences, description may be made. Others may refer to the foregoing embodiments, and details are not described herein again.
  • the Ad Hoc node when accessing the Ad Hoc converged communication system of the present disclosure, the Ad Hoc node automatically allocates an IP address (refer to the existing Ad Hoc technology for IP address allocation), and broadcasts an online notification.
  • the Ad Hoc node is a mobile phone
  • the online notification broadcast by the Ad Hoc node includes the mobile phone number, the MAC address, the IP address, and the node identifier.
  • the MAC address and IP address of the Ad Hoc node are the connection information, and the MAC address is specifically Layer 2 connection information, and the IP address is specifically Layer 3 connection information.
  • the update module parses out the connection information, and updates the connection information associated with the same node identifier stored by the IP node to the parsed connection according to the node identifier carried in the online notification.
  • Information including updates to MAC addresses and IP addresses.
  • the IP node automatically assigns an IP address when accessing the Ad Hoc converged communication system of the present disclosure, wherein the IP node accesses the network card of the Ad Hoc network by default because the IP node accesses the IP network and the Ad Hoc network at the same time. Assign an IP address.
  • the update module also broadcasts the online notification of the IP node. Specifically, when the IP node is a PC, the online notification of the broadcasted IP node includes a host name, an IP address, a MAC address, a node identifier, and a terminal type.
  • the IP node and each Ad Hoc node periodically broadcast their connection information.
  • the IP node and the Ad Hoc node broadcast an offline notification before leaving the accessed Ad Hoc converged communication system.
  • both the IP node and the Ad Hoc node are provided with a buddy list for displaying when needed.
  • the buddy list of the IP node includes the mobile phone number and the MAC address of each Ad Hoc node in the Ad Hoc converged communication system;
  • the buddy list of the Ad Hoc node includes the IP node. Host name and MAC address.
  • the update module deletes the related entry of the Ad Hoc node that broadcasts the offline notification in the buddy list of the IP node.
  • the Ad Hoc node When receiving an offline notification broadcast by another Ad Hoc node or an IP node, the Ad Hoc node deletes related entries of other Ad Hoc nodes or IP nodes in the buddy list that broadcast the offline notification.

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Abstract

L'invention porte sur un procédé de transmission de données. Le procédé de transmission de données consiste : lorsqu'un nœud IP reçoit des données de service, à extraire un identificateur de nœud d'un nœud de destination porté par les données de service ; lorsque l'identificateur de nœud du nœud de destination est le même qu'un identificateur de nœud du nœud IP, à acquérir des informations de connexion stockées concernant un nœud ad hoc associé au nœud IP ; et selon les informations de connexion, à transmettre, sur la base d'un réseau ad hoc, les données de service au nœud ad hoc associé. L'invention porte également sur un dispositif de transmission de données. La présente invention peut réduire le coût d'un terminal mobile en vue de réaliser une fonction de communication instantanée.
PCT/CN2017/090642 2016-07-19 2017-06-28 Procédé et dispositif de transmission de données WO2018014708A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610575004.1 2016-07-19
CN201610575004.1A CN107634896B (zh) 2016-07-19 2016-07-19 数据传输方法及装置

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WO2018014708A1 true WO2018014708A1 (fr) 2018-01-25

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