WO2019010694A1 - Procédé et dispositif d'acquisition d'adresse de serveur local de noms de domaine et serveur de noms faisant autorité - Google Patents

Procédé et dispositif d'acquisition d'adresse de serveur local de noms de domaine et serveur de noms faisant autorité Download PDF

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Publication number
WO2019010694A1
WO2019010694A1 PCT/CN2017/092901 CN2017092901W WO2019010694A1 WO 2019010694 A1 WO2019010694 A1 WO 2019010694A1 CN 2017092901 W CN2017092901 W CN 2017092901W WO 2019010694 A1 WO2019010694 A1 WO 2019010694A1
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WIPO (PCT)
Prior art keywords
domain name
server
address
name server
resolution request
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PCT/CN2017/092901
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English (en)
Chinese (zh)
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代明
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深圳前海达闼云端智能科技有限公司
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Application filed by 深圳前海达闼云端智能科技有限公司 filed Critical 深圳前海达闼云端智能科技有限公司
Priority to CN201780002437.0A priority Critical patent/CN107980217B/zh
Priority to PCT/CN2017/092901 priority patent/WO2019010694A1/fr
Publication of WO2019010694A1 publication Critical patent/WO2019010694A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/10—Mapping addresses of different types
    • H04L61/106—Mapping addresses of different types across networks, e.g. mapping telephone numbers to data network addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5076—Update or notification mechanisms, e.g. DynDNS

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and an authoritative domain name server for obtaining a local domain name server address.
  • the domain name system includes a multi-level domain name server (DNS server). After receiving the domain name resolution request sent by the client in the local network, the local domain name servers at all levels recursively query the upper-level domain name server in turn, and finally resolve the domain name to an IP address and return it to the client through the authoritative domain name server.
  • DNS server multi-level domain name server
  • the IP address returned by the global load balancing system to the client is the closest CDN to the client in the CDN or ADN network. The IP address of the ADN node to improve network service efficiency.
  • the global load balancing system of ADN or CDN needs a method to obtain the location of the client.
  • this is achieved through a local domain name server IP address library, which has the IP address of the local domain name server and the corresponding geography around the world. position. But because the global network is constantly changing, this address pool is not 100% accurate.
  • a client is scheduled to the wrong ADN or CDN access node, a means is needed to obtain the client's local DNS server.
  • the client can only query the IP address of the local domain name server directly communicating with the client, for example, the local domain name server in the same cell as the client, and the IP address of the local domain name server is usually the intranet IP address. address. And the IP of the higher level local domain name server The address client cannot obtain the local domain name server with the public IP address.
  • the authoritative domain name server can receive the request from the server, but cannot correspond to the corresponding client.
  • the main purpose of the embodiment of the present invention is to provide a method, an apparatus, and an authoritative domain name server for obtaining a local domain name server address, which are used to solve the problem that the client cannot determine the IP address of the local DNS server in the prior art.
  • a first aspect of the embodiments of the present invention provides a method for obtaining a local domain name server address, where the method is applied to an authoritative domain name server, and the method includes:
  • the type of the domain name resolution request is the address detection type, extracting an IP address of the first local domain name server from the domain name resolution request, where the first local domain name server sends the Domain name server for domain name resolution request;
  • a second aspect of the embodiments of the present invention provides another method for obtaining a local domain name server address, where the method is applied to a client, and the method includes:
  • the response message includes an IP address of the first local domain name server
  • the second local domain name server is configured to receive the a domain name server of the domain name resolution request
  • the first local domain name server is a domain name server that sends the domain name resolution request to an authoritative domain name server
  • the IP address of the first local domain name server is displayed.
  • a third aspect of the embodiments of the present invention provides a device for acquiring a local domain name server address, and an application In the authoritative domain name server, the device for obtaining a local domain name server address includes:
  • a first receiving module configured to receive a domain name resolution request
  • a determining module configured to determine whether the type of the domain name resolution request is an address detection type
  • an extracting module configured to: when the type of the domain name resolution request is the address detection type, extract an IP address of the first local domain name server from the domain name resolution request, where the first local domain name server is the authority a domain name server that sends the domain name resolution request by the domain name server;
  • a sending module configured to send a response message for responding to the domain name resolution request, where the response message includes an IP address of the first local domain name server.
  • a fourth aspect of the embodiments of the present invention provides another apparatus for obtaining a local domain name server address, where the apparatus is applied to a client, and the apparatus includes:
  • a sending module configured to send a domain name resolution request
  • a receiving module configured to receive a response message sent by the second local domain name server in response to the domain name resolution request, where the response message includes an IP address of the first local domain name server, and the second local domain name server is configured to receive the client
  • the domain name server of the domain name resolution request sent by the end, the first local domain name server is a domain name server that sends the domain name resolution request to an authoritative domain name server;
  • a display module configured to display an IP address of the first local domain name server.
  • a fifth aspect of the embodiments of the present invention provides a non-transitory computer readable storage medium, where the non-transitory computer readable storage medium includes one or more programs, and the one or more programs are used to execute the first The method described in the aspects.
  • a sixth aspect of the embodiments of the present invention provides a non-transitory computer readable storage medium, where the non-transitory computer readable storage medium includes one or more programs, and the one or more programs are used to execute the second The method described in the aspects.
  • a seventh aspect of the embodiments of the present invention provides an authoritative domain name server, comprising: the non-transitory computer readable storage medium of the fifth aspect;
  • One or more processors for executing a program in the non-transitory computer readable storage medium.
  • An eighth aspect of the present invention provides a client, comprising: the non-transitory computer readable storage medium of the sixth aspect;
  • One or more processors for executing a program in the non-transitory computer readable storage medium.
  • a ninth aspect of the present invention provides a domain name system, comprising: the authoritative domain name server according to the seventh aspect, the client in the eighth aspect, and at least one local domain name server; wherein the domain name sent by the client The parsing request is sent to the authoritative domain name server by the at least one local domain name server, and the response message sent by the authoritative domain name server for responding to the domain name resolution request is returned to the client by the at least one local domain name server.
  • the authoritative domain name server may return the IP address of the local domain name server directly communicating with the client to the client, compared to the authoritative domain name server in the prior art. After receiving the domain name resolution request, the IP address of the CDN server or the ADN server allocated to the client is returned to the client.
  • the technical solution provided by the embodiment of the present disclosure can enable the client to know the IP address of the local domain name server, which is beneficial to further Perform network problem diagnosis.
  • FIG. 1 is a schematic diagram of a network system architecture according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for obtaining a local domain name server address according to an embodiment of the present invention schematic diagram
  • FIG. 3 is a schematic flowchart of another method for obtaining a local domain name server address according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of another method for obtaining a local domain name server address according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of an apparatus for acquiring a local domain name server address according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of another apparatus for obtaining a local domain name server address according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of another apparatus for obtaining a local domain name server address according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another apparatus for obtaining a local domain name server address according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another apparatus for obtaining a local domain name server address according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another apparatus for obtaining a local domain name server address according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of a network system, as shown in FIG. 1, including a network client 11, a first-level local domain name server 12 directly communicating with the network client 11, and a second direct communication with the authoritative domain name server 14.
  • the local local name server 13 and the CDN/ADN server 15 that provides network services to the network client 11.
  • the first-level local domain name server 12 generally refers to a cell DNS server in a cell where the network client 11 is located
  • the second-level local domain name server 13 may be a regional DNS server deployed by the operator in the area.
  • a domain name server is a DNS server that eventually resolves a domain name to an IP address.
  • the IP address of the local domain name server that the network client can view is the IP address of the local domain name server that directly communicates with the network client, that is, the first-level local domain name server 12 in FIG.
  • the IP address of the primary local domain name server 12 is usually an intranet IP.
  • the client cannot directly obtain the information in the prior art.
  • the domain name system may include two or more local domain name servers. It may also include a first-level local domain name server, that is, the local domain name server directly connected to the client is directly connected to the authoritative domain name server. In this case, the first-level local domain name server and the second-level local domain name server are The same domain name server.
  • the embodiment of the present invention provides a method for obtaining a local domain name server address, which is used to obtain an IP address of a local domain name server of a network client, and it is worth noting that the network client is obtained as described in the embodiment of the present invention.
  • the IP address of the local domain name server specifically refers to the IP address of the local domain name server that directly communicates with the authoritative domain name server.
  • the method is applied to an authoritative domain name server in the domain name system, as shown in FIG. 2, the method includes:
  • the domain name resolution request is sent by the client initially, and is performed by the client and the authoritative domain name.
  • the local domain name server between the servers is transferred to the authoritative domain name server.
  • the domain name resolution request is sent by the network client 11 to the first-level local domain name server 12, and is forwarded by the first-level local domain name server 12 to the second-level local domain name server 13 by way of example.
  • the second-level local domain name server 13 forwards to the authoritative domain name server 14 (corresponding to the above step S201).
  • FIG. 1 is only an example. In the specific implementation, there may be more than two levels of local domain name servers in the domain name system, which is not limited by the present invention.
  • the address detection type refers to a type of a domain name resolution request dedicated to detecting an IP address of a local domain name server of a network client.
  • whether the type of the domain name resolution request is an address detection type is determined by determining whether the domain name that is requested to be resolved by the domain name resolution request is a set domain name, where the domain name resolution is If the domain name requested to be resolved is the set domain name, the type of the domain name resolution request may be determined to be the address detection type.
  • the set domain name may be pre-configured in an authoritative domain name server.
  • the set domain name may be: www.example.com.
  • the set domain name can be set and modified according to actual needs.
  • the authoritative domain name server determines that the type of the domain name resolution request is the address detection type when receiving the domain name resolution request including the domain name www.example.com sent by the local domain name server directly communicating with the domain name server.
  • the first local domain name server is a local domain name server that directly communicates with the authoritative domain name server.
  • the network local system shown in FIG. 1 is used as an example.
  • the first local domain name server is the second-level local domain name server 13 shown in FIG. 1.
  • the first local domain name server after receiving the response message sent by the authoritative domain name server, the first local domain name server sends the response message to the local domain name server of the next level, so as to return the response message to the client.
  • the authoritative domain name server can return the IP address of the local domain name server directly communicating with the client to the client, and after receiving the domain name resolution request, the authoritative domain name server in the prior art receives the domain name resolution request.
  • the IP address of the CDN server or the ADN server allocated to the client is returned to the client.
  • the authoritative domain name server determines the network location of the client by sending the IP address of the local domain name server for the domain name resolution request, and returns the IP address of the CDN or ADN server closest to the client in the CDN or ADN network. Respond as a domain name resolution request.
  • the local domain name server IP address library in the authoritative domain name server will always encounter the non-existent or even the wrong local domain name server IP address.
  • the client may Being directed to a non-optimal CDN or ADN server, the service is degraded. Therefore, after obtaining the IP address of the local domain name server on the client side, the user can update the IP address pool of the authoritative domain name server by using the technical solution provided by the embodiment of the present invention.
  • the method for obtaining a local domain name server address may further include: receiving an instruction for updating an IP address pool of the authoritative domain name server, where the instruction includes the first local domain name server The IP address and the network location information corresponding to the IP address of the first local domain name server; and updating the IP address pool of the authoritative domain name server according to the instruction.
  • the authoritative domain name server receives the first local domain name server After the first domain name resolution request is sent, it may be determined whether the type of the first domain name resolution request is the address detection type, and when the type of the first domain name resolution request is not the address detection type, according to the
  • the updated IP address database of the authoritative domain name server determines network location information corresponding to the IP address of the first local domain name server, and allocates a CDN server or an ADN server according to the network location information, and sends the response to the first domain name. Parsing the first response message of the request, the first response message including an IP address of the CDN server or the ADN server.
  • the first local domain name server can send the IP address of the CDN server or the ADN server to the client through a secondary local domain name server. This directs the client to the optimal CDN or ADN server.
  • the user may also change the local domain name server accessed by the client after obtaining the IP address of the local domain name server on the client side, and the comparison of the present invention is not limited.
  • the corresponding address may be determined according to the IP address pool of the authoritative domain name server.
  • Network location information and distributing a network CDN server or an application delivery network ADN server according to the network location information, and transmitting a response message for responding to the domain name resolution request, the response message including the CDN server or The IP address of the ADN server.
  • the first local domain name server sends the IP address of the CDN server or the ADN server to the client through a secondary local domain name server. Therefore, the client can obtain the IP address of the local domain name server without affecting the existing functions of the authoritative domain name server.
  • the embodiment of the present invention further provides another method for obtaining a local domain name server address, where the method is applied to a client. As shown in FIG. 3, the method includes:
  • the second local domain name server is a domain name server that receives the domain name resolution request sent by the client
  • the first local domain name server is a domain name server that sends the domain name resolution request to an authoritative domain name server.
  • the domain name resolution request is sent by the client to the second local domain name server and forwarded by the local domain name servers at all levels, and finally sent by the first local domain name server to the authoritative domain name server.
  • the second local domain name server refers to the first-level local domain name server 12 shown in FIG. 1
  • the first local domain name server refers to the second-level local domain name server 13 shown in FIG. 1.
  • the method for the client to display the IP address of the first local domain name server to the user is not limited.
  • the client may use a pop-up window.
  • the IP address of the first local domain name server is displayed on the screen, and the IP address of the first local domain name server may also be sent to the user's handheld device.
  • the user when the user does not know the local domain name server currently accessed by the client, the user can access the domain name through the client access, and the authoritative domain name server can receive the domain name resolution request for requesting the resolution of the set domain name. Returning the IP address of the local domain name server to the client, so that the client can know the IP address of the local domain name server, which is helpful for further network problem diagnosis.
  • the method for obtaining the local domain name server address provided by the embodiment of the present invention is described below with reference to the network system shown in FIG.
  • the method includes:
  • the network client 11 sends a domain name resolution request to the first-level local domain name server 12.
  • the domain name resolution request includes domain name information.
  • the first-level local domain name server 12 After receiving the domain name resolution request, the first-level local domain name server 12 forwards the domain name resolution request to the second-level domain name server 13.
  • the second-level domain name server 13 After receiving the domain name resolution request, the second-level domain name server 13 forwards the domain name resolution request to the authoritative domain name server 14.
  • the authoritative domain name server 14 determines whether the type of the domain name resolution request is an address detection type.
  • the authoritative domain name server 14 reserves domain name information for the local domain name server IP address dedicated to detecting the client. After receiving the domain name resolution request, the authoritative domain name server can compare the domain name information in the domain name resolution request. The domain name information is the same as the reserved domain name information. If the information is consistent, the type of the domain name resolution request is determined to be an address detection type. If not, the domain name resolution request is not the address detection type.
  • steps S405 to S407 are performed, and if the type of the domain name resolution request is the address detection type, steps S408 to S411 are performed.
  • the authoritative domain name server 14 determines the network location of the client 11 according to the IP address of the second-level local domain name server 13 in the IP address pool.
  • the authoritative domain name server 14 allocates a CDN server or an ADN server to the client 11 according to the network location of the client 11.
  • the authoritative domain name server 14 returns the IP address of the CDN server or the ADN server allocated to the client 11 to the client 11 through the second-level local domain name server 12 and the second-level local domain name server 11.
  • the authoritative domain name server 14 extracts the IP address of the second-level local domain name server 14 from the domain name resolution request.
  • the authoritative domain name server 14 extracts the source IP from the domain name resolution request data packet, which is the IP address of the local domain name server of the client.
  • the authoritative domain name server 14 sends a response message including the IP address to the second-level local domain name server 13.
  • the second-level domain name server 13 forwards the response message to the first-level local domain name server 12.
  • the first-level domain name server 12 forwards the response message to the client 11.
  • the authoritative domain name server may return the IP address of the local domain name server directly communicating with the client to the client, and after receiving the domain name resolution request, the authoritative domain name server in the prior art receives the domain name resolution request.
  • the IP address of the CDN server or the ADN server allocated to the client is returned to the client.
  • FIG. 5 is a device 50 for obtaining a local domain name server address, which is used to implement the method steps provided by the foregoing corresponding method embodiment.
  • the device 50 can implement a domain name system by using software, hardware, or a combination of the two.
  • the apparatus 50 includes:
  • the first receiving module 501 is configured to receive a domain name resolution request.
  • the determining module 502 is configured to determine whether the type of the domain name resolution request is an address detection type.
  • the extracting module 503 is configured to: when the type of the domain name resolution request is the address detection type, extract an IP address of the first local domain name server from the domain name resolution request, where the first local domain name server is Sending, by the authoritative domain name server, the domain name server of the domain name resolution request;
  • the sending module 504 is configured to send a response message for responding to the domain name resolution request, where the response message includes an IP address of the first local domain name server.
  • the authoritative domain name server can return the IP address of the local domain name server directly communicating with the client to the client, and after receiving the domain name resolution request, the authoritative domain name server in the prior art receives the domain name resolution request.
  • the IP address of the CDN server or the ADN server allocated to the client is returned to the client.
  • the determining module 502 is configured to:
  • the domain name that is requested to be resolved by the domain name resolution request is a set domain name
  • it is determined that the type of the domain name resolution request is the address detection type.
  • the apparatus 50 further includes:
  • a determining module 505 configured to determine, according to the IP address pool of the authoritative domain name server, network location information corresponding to an IP address of the first local domain name server, when the type of the domain name resolution request is not the address detection type;
  • the distribution module 506 is configured to allocate a content distribution network CDN server or an application delivery network ADN server according to the network location information;
  • the sending module 504 is further configured to send a response message for responding to the domain name resolution request, where the response message includes an IP address of the CDN server or the ADN server.
  • the device 50 further includes:
  • the second receiving module 507 is configured to receive an instruction for updating an IP address pool of the authoritative domain name server, where the instruction includes an IP address of the first local domain name server and an IP address corresponding to the first local domain name server.
  • the network location information update module 508 is configured to update the IP address pool of the authoritative domain name server according to the instruction.
  • the first receiving module 501 is configured to receive a first domain name resolution request
  • the determining module 502 is configured to determine whether the type of the first domain name resolution request is an address detection type
  • the determining module 505 the type used in the first domain name resolution request is not the address detection And determining, according to the updated IP address database of the authoritative domain name server, corresponding network location information
  • the assigning module 506, configured to allocate a CDN server or an ADN server according to the network location information
  • the sending unit 404 is configured to send a first response message for responding to the first domain name resolution request, the first response message including an IP address of the CDN server or the ADN server.
  • FIG. 8 is a device 80 for obtaining a local domain name server address, which is used to implement the method steps provided by the foregoing corresponding method embodiment.
  • the device 80 may be a part of a client by software, hardware or a combination of the two. Or all, as shown in Figure 8, the apparatus 80 includes:
  • the sending module 801 is configured to send a domain name resolution request.
  • the receiving module 802 is configured to receive a response message sent by the second local domain name server in response to the domain name resolution request, where the response message includes an IP address of the first local domain name server, and the second local domain name server receives the a domain name server that is sent by the client to the domain name resolution request, and the first local domain name server is a domain name server that sends the domain name resolution request to an authoritative domain name server;
  • the display module 803 is configured to display an IP address of the first local domain name server.
  • the user when the user does not know the local domain name server currently accessed by the client, the user can access the domain name through the client access, and the authoritative domain name server can receive the domain name resolution request for requesting the resolution of the set domain name. Return the IP address of the local domain name server to the client, so that the client can know the IP address of the local domain name server, which is beneficial to further network query. Diagnosis.
  • FIG. 9 is a schematic structural diagram of another apparatus 90 for obtaining a local domain name server address according to an embodiment of the present invention.
  • the apparatus 90 may be provided as a server.
  • device 90 includes a processor 901, which may be one or more, and a memory 902 for storing a computer program executable by processor 901.
  • the computer program stored in memory 902 can include one or more modules each corresponding to a set of instructions.
  • the processor 902 can be configured to execute the computer program to perform the method of obtaining the local domain name server address on the authoritative domain name server side.
  • device 90 may also include a power component 903 that may be configured to perform power management of device 90, and a communication component 904 that may be configured to enable communication of device 90, such as wired or wireless communication . Additionally, the device 90 can also include an input/output (I/O) interface 905. Device 90 can operate based on an operating system stored in memory 902, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, and the like.
  • FIG. 10 is a schematic structural diagram of an apparatus 100 for obtaining a local domain name server address according to an embodiment of the present invention.
  • the apparatus 100 may be provided as a client.
  • the apparatus 100 can include a processor 101, a memory 102, a multimedia component 103, an input/output (I/O) interface 104, and a communication component 105.
  • the processor 101 is configured to control the overall operation of the apparatus 100 to complete all or part of the steps of the method for obtaining a local domain name server address.
  • Memory 102 is used to store various types of data to support operations at the device 100, such as may include instructions for any application or method operating on the device 100.
  • the memory 102 can be implemented by any type of volatile or non-volatile storage terminal device or a combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read only memory. (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable read-only memory (Erasable Programmable Read-Only Memory, EPROM for short), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), Magnetic Memory, Flash Memory, Disk Or a disc.
  • SRAM Static Random Access Memory
  • EEPROM Electrically erasable programmable Read only memory
  • EEPROM Electrically erasable programmable read-only memory
  • EPROM Erasable Programmable Read-Only Memory
  • PROM Programmable Read-Only Memory
  • ROM Read-Only Memory
  • Magnetic Memory Flash Memory
  • Disk Or a disc Disk Or a disc.
  • the multimedia component 103 can include a screen and an audio component.
  • the screen may be, for example, a touch screen, and the audio component is used to output and/or input an audio signal.
  • Communication component 105 is used for wired or wireless communication between the device 100 and other devices.
  • Wireless communication such as Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G or 4G, or a combination of one or more of them, so the corresponding communication component 105 can include: Wi-Fi module, Bluetooth module, NFC module.
  • the device 100 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing terminals ( Digital Signal Processing Device (DSPD), Programmable Logic Device (PLD), Field Programmable Gate Array (FPGA), controller, microcontroller, microprocessor or other electronics
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPD Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • controller microcontroller, microprocessor or other electronics
  • microcontroller microprocessor or other electronics
  • the embodiment of the present invention further provides a non-transitory computer readable storage medium 1 including one or more programs for performing a method for obtaining a local domain name.
  • the type of the domain name resolution request is the address detection type, extracting an IP address of the first local domain name server from the domain name resolution request, where the first local domain name server sends the Domain name server for domain name resolution request;
  • the determining whether the type of the domain name resolution request is an address detection type includes:
  • the type of the domain name resolution request is the address detection type.
  • the method further includes:
  • the response message including an IP address of the CDN server or the ADN server.
  • the method further includes:
  • Receiving an instruction for updating an IP address pool of the authoritative domain name server the instruction including an IP address of the first local domain name server and network location information corresponding to an IP address of the first local domain name server;
  • the method further includes:
  • the first domain name resolution request is not the address detection type, determining corresponding network location information according to the updated IP address pool of the authoritative domain name server;
  • the information includes the IP address of the CDN server or the ADN server.
  • An embodiment of the present invention further provides an authoritative domain name server 2, where the authoritative domain name server 2 includes:
  • the embodiment of the present invention further provides a non-transitory computer readable storage medium 3 including one or more programs for performing a method for obtaining a local domain name.
  • the response message includes an IP address of the first local domain name server
  • the second local domain name server is configured to receive the a domain name server of the domain name resolution request
  • the first local domain name server is a domain name server that sends the domain name resolution request to an authoritative domain name server
  • the IP address of the first local domain name server is displayed.
  • An embodiment of the present invention further provides a client 4, where the client 4 includes:
  • the embodiment of the present invention further provides a domain name system, including: an authoritative domain name server 2, a client 4, and at least one local domain name server; wherein the domain name resolution request sent by the client is sent by the at least one local domain name server.
  • a domain name system including: an authoritative domain name server 2, a client 4, and at least one local domain name server; wherein the domain name resolution request sent by the client is sent by the at least one local domain name server.
  • the response message sent by the authoritative domain name server for responding to the domain name resolution request is returned to the client by the at least one local domain name server.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un procédé et un dispositif servant à acquérir l'adresse d'un serveur de noms de domaine (DNS) local et un serveur de noms faisant autorité, utilisés pour résoudre le problème, rencontré dans l'état antérieur de la technique, de l'impossibilité pour un client de déterminer l'adresse IP du serveur DNS local. Le procédé comporte les étapes consistant à: recevoir une demande de résolution de nom de domaine; déterminer si le type de la demande de résolution de nom de domaine est un type de détection d'adresse; lorsque le type de la demande de résolution de nom de domaine est le type de détection d'adresse, extraire de la demande de résolution de nom de domaine l'adresse IP d'un premier serveur local de noms de domaine, le premier serveur local de noms de domaine étant un serveur de noms de domaine servant à envoyer la demande de résolution de nom de domaine au serveur de noms faisant autorité; et émettre un message de réponse servant à répondre à la demande de résolution de nom de domaine, le message de réponse comprenant l'adresse IP du premier serveur local de noms de domaine.
PCT/CN2017/092901 2017-07-14 2017-07-14 Procédé et dispositif d'acquisition d'adresse de serveur local de noms de domaine et serveur de noms faisant autorité WO2019010694A1 (fr)

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PCT/CN2017/092901 WO2019010694A1 (fr) 2017-07-14 2017-07-14 Procédé et dispositif d'acquisition d'adresse de serveur local de noms de domaine et serveur de noms faisant autorité

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