WO2015051517A1 - Procédé, dispositif et système de routage - Google Patents

Procédé, dispositif et système de routage Download PDF

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Publication number
WO2015051517A1
WO2015051517A1 PCT/CN2013/084972 CN2013084972W WO2015051517A1 WO 2015051517 A1 WO2015051517 A1 WO 2015051517A1 CN 2013084972 W CN2013084972 W CN 2013084972W WO 2015051517 A1 WO2015051517 A1 WO 2015051517A1
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WO
WIPO (PCT)
Prior art keywords
requested content
identifier
authoritative
identification
content
Prior art date
Application number
PCT/CN2013/084972
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English (en)
Chinese (zh)
Inventor
轩辕哲
严哲峰
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2013/084972 priority Critical patent/WO2015051517A1/fr
Priority to CN201380001584.8A priority patent/CN104756465B/zh
Publication of WO2015051517A1 publication Critical patent/WO2015051517A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/63—Routing a service request depending on the request content or context

Definitions

  • the present invention relates to the field of communications, and in particular, to a routing method, device, and system.
  • the Information Centric Network is an information-centric new network architecture.
  • the Internet structure is host-centric.
  • a requesting party such as a user device or a terminal
  • the requesting request sent by the requesting party must clearly indicate which host the content is stored on, and then Access the host based on the specific host location to obtain content.
  • the requesting party such as a user equipment or a terminal
  • the content request includes a content name, and the common content name may be a content identifier.
  • the routing and forwarding node in the network can find the routing information corresponding to the content according to the content identifier in the content name, and obtain the content of the request according to the routing information and return it to the user, thereby implementing a routing method according to the content name.
  • the ICN is routed by extending the content name.
  • a number of auxiliary routing information corresponding to the content identifier is added to assist the routing.
  • These several auxiliary routing information may be referred to as a container.
  • the collection, the container collection may include the prefix information of the content identifier and the information related to the content identifier, and the information may be arranged according to a preset priority from high to low, when the content request cannot be forwarded through the content identifier.
  • the container in the container is obtained by the requester sending a container parsing request containing the content identifier to the network. Specifically, in the network, the parsing request is responded step by step according to a preset rule, and the container obtained by the response is returned. To the requesting party.
  • an embodiment of the present invention provides a routing method, including: an authoritative resolution server receives a request content sent by a first device according to an identifier of an authoritative resolution server.
  • the identifier of the requesting content is used to search for the correspondence between the identifier of the currently requested content and the container set according to the identifier of the requested content, and obtain the first container set corresponding to the identifier of the current request content;
  • the authoritative resolution server acquires the requested content according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content.
  • the authoritative resolution server obtains the requested content according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content, including: The authoritative resolution server sends the first container set corresponding to the identifier of the current request content to the first device, so that the first device forwards the first container according to the current identifier of the requested content. Declaring the content of the request content, obtaining the requested content.
  • the authoritative resolution server is configured according to the first container set corresponding to the identifier of the current request content and the request And obtaining, by the authoritative resolution server, the identifier of the requested content according to the current container set corresponding to the current request content identifier, and acquiring the requested content.
  • the method further includes: the authoritative resolution server receiving the registration request sent by the request content providing device
  • the registration request includes an identifier of the requested content and a first container set corresponding to the identifier of the currently requested content; the authoritative resolution server establishes the identifier of the requested content and the container set according to the registration request. Correspondence between the two.
  • the format of the registration request is an interest package, where the format of the content name in the interest package of the registration request is:
  • the method further includes: the authoritative resolution server receiving the request content providing device And sending, by the first container set corresponding to the identifier of the request content, an update request sent after the update, the update request includes an identifier of the requested content and the updated container set; and the authoritative resolution server according to the update request
  • the first container set corresponding to the identifier of the current request content in the correspondence between the identifier of the request content and the container set is updated to the updated container set.
  • the format of the update request is an interest packet, where a format of the content name in the interest packet of the update request is: / The authoritative resolution server identifier / UPDATE / the identifier of the requested content / CONTAINER / the updated container collection.
  • the embodiment of the present invention provides a routing method, including: the first device sending an identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, so that the authoritative resolution server is configured according to the The identifier of the request content is used to search for a correspondence between the identifier of the currently requested content and the container set, and obtain a first container set corresponding to the identifier of the current request content; the first device receives the authority And parsing the first container set corresponding to the identifier of the current request content sent by the server; the first device forwarding the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, to obtain the Describe the content of the request.
  • the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, including: the first device to the authority
  • the parsing server sends a parsing request, where the parsing request includes an identifier of the authoritative parsing server and an identifier of the request content, where the identifier of the authoritative parsing server indicates routing information of the authoritative parsing server.
  • the format of the parsing request is an interest packet
  • the format of the parsing request interest packet is specifically:
  • the method before the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, the method further includes: The device acquires a request message for requesting content, where the request The message includes an identifier of the requested content, a second container set corresponding to the requested content identifier, and an identifier of the authoritative resolution server.
  • the first device is configured according to the preset policy and the identifier of the authoritative resolution server.
  • the identifier of the authoritative resolution server sending the requested content including:
  • the identifier of the requested content is sent to the authoritative analysis server.
  • the embodiment of the present invention provides a routing method, including: the first device sending an identifier of the requested content to the authoritative resolution server according to a preset policy and an identifier of an authoritative resolution server, so that the authority resolves
  • the server searches for the correspondence between the identifier of the currently requested content and the container set according to the identifier of the requested content, and obtains a first container set corresponding to the identifier of the current request content, and according to the first container
  • the collection sends the identifier of the requested content to obtain the requested content.
  • the method further includes:
  • the first device acquires a request message for requesting content, where the request message includes an identifier of the requested content, and a second container corresponding to the requested content identifier
  • the set and the identifier of the authoritative resolution server correspondingly, the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, where: the first device determines the Whether the second container set in the request message is empty, and if yes, sending the identifier of the requested content to the authoritative resolution server; or the first device acquiring the requested content according to the identifier of the requested content If the acquisition fails, sending the identifier of the requested content by using the second container set included in the request message to obtain the requested content; if the identifier of the requested content is sent by using the second container set included in the request message; If the content of the request fails to be obtained, the identifier of the requested content is sent to the authoritative resolution server.
  • an embodiment of the present invention provides an authoritative resolution server, including: a receiving unit, configured to receive an identifier of a request content sent by a first device according to an identifier of an authoritative resolution server; and an acquiring unit, configured to use the request according to the request
  • the identifier of the content is used to search for the correspondence between the identifier of the currently requested content and the container set, and obtain the first container set corresponding to the identifier of the current request content; the obtaining unit is further configured to: according to the current description The first container set corresponding to the identifier of the requested content and the identifier of the requested content acquire the requested content.
  • the acquiring unit is specifically configured to: send, to the first device, a first container set corresponding to the identifier of the current request content, so that the first And the device forwards the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, and acquires the requested content.
  • the acquiring unit is specifically configured to: forward the identifier of the requested content according to the current container set corresponding to the request content identifier, and obtain the requested content.
  • the receiving unit is further configured to: receive the registration request sent by the request content providing device, according to any one of the fourth aspect, the first or the second possible implementation manner
  • the registration request includes a first container set corresponding to the identifier of the requested content and the identifier of the current request content, and an establishing unit, configured to establish the identifier of the requested content and the container according to the registration request The correspondence between the collections.
  • the format of the registration request is an interest package, where the format of the content name in the interest package of the registration request is:
  • the receiving unit is further configured to: receive the requested content providing device, as currently described And sending, by the first container set corresponding to the identifier of the request content, an update request sent after the update, where the update request includes the identifier of the requested content and the updated container set; and further comprising an update unit, configured to update according to the update And requesting to update the first container set corresponding to the identifier of the current request content in the correspondence between the identifier of the request content and the container set to the updated container set.
  • the format of the update request is an interest packet, where a format of the content name in the interest packet of the update request is: / The authoritative resolution server identifier / UPDATE / the identifier of the requested content / CONTAINER / the updated container collection.
  • the embodiment of the present invention provides a first device, including: a sending unit, configured to send, according to a preset policy and an identifier of an authoritative resolution server, an identifier of the requested content to the authoritative resolution server, so that the authority
  • the parsing server searches for the correspondence between the identifier of the currently requested content and the container set according to the identifier of the requested content, and obtains a first container set corresponding to the identifier of the current request content; and a receiving unit, configured to receive The first container set corresponding to the identifier of the current request content sent by the authoritative resolution server; the forwarding unit, configured to forward the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, To obtain the requested content.
  • the sending unit is configured to send a parsing request to the authoritative parsing server, where the parsing request includes an identifier of the authoritative parsing server and an identifier of the requested content,
  • the identifier of the authoritative resolution server represents routing information of the authoritative resolution server.
  • the format of the parsing request is an interest packet
  • the format of the parsing request interest packet is specifically:
  • the method further includes: an obtaining unit, configured to acquire a request message for requesting content, where the request message includes an identifier of the requested content, and the requested content identifier corresponds to The second container set and the identifier of the authoritative resolution server; correspondingly, the sending unit is configured to determine whether the second container set in the request message is empty, and if yes, sending the identifier of the requested content To the authoritative resolution server; Or the acquiring unit is configured to acquire the requested content according to the identifier of the requested content;
  • the forwarding unit is configured to: forward the request message by using a second container set included in the request message to obtain the requested content; and if the forwarding unit includes the second information included by the request message When the container set forwards the request message to obtain the content of the request, the forwarding unit is configured to send the identifier of the requested content to the authoritative resolution server.
  • the embodiment of the present invention provides a first device, including: a sending unit, configured to send, according to a preset policy and an identifier of an authoritative resolution server, an identifier of the requested content to the authoritative resolution server, so that the authority
  • the parsing server searches for the correspondence between the identifier of the currently requested content and the container set according to the identifier of the requested content, and obtains a first container set corresponding to the identifier of the current request content, and according to the first
  • the container collection sends an identification of the requested content to obtain the requested content.
  • the method further includes: an obtaining unit, configured to acquire a request message for requesting content, where the request message includes an identifier of the requested content, and the requested content identifier Corresponding second container set and identifier of the authoritative resolution server; correspondingly, the sending unit is configured to determine whether the second container set in the request message is empty, and if yes, sending the requested content And the obtaining unit is further configured to obtain the request inner valley according to the identifier of the requested content,
  • the sending unit is configured to be included by the request message.
  • the second container set sends the identifier of the requested content to obtain the requested content; and if the sending unit sends the identifier of the requested content through the second container set included in the request message to obtain the requested content, And the sending unit is configured to send the identifier of the requested content to the authoritative resolution server.
  • an embodiment of the present invention provides an authoritative resolution server, including: a communication unit, configured to receive an identifier of a request content sent by a first device according to an identifier of an authoritative resolution server; and a processor, configured to perform, according to the request
  • the identifier of the content is searched for the corresponding relationship between the identifier of the currently requested content and the container set, and the first container set corresponding to the identifier of the current request content is obtained; and the identifier corresponding to the identifier of the current request content is corresponding.
  • a container collection and an identification of the requested content obtains the requested content.
  • the processor is configured to: instruct the communication unit to send, to the first device, a first container set corresponding to an identifier of the current request content, so that The first device forwards the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, and acquires the requested content.
  • the processor is configured to: forward the identifier of the requested content according to the current container set corresponding to the request content identifier, and obtain the requested content.
  • the communication unit is further configured to receive the registration request sent by the request content providing device The registration request includes a first container set corresponding to the identifier of the request content and the identifier of the current request content, and the processor is further configured to: establish a label of the requested content according to the registration request Correspondence between the identification and the collection of containers.
  • the format of the registration request is an interest package, where the format of the content name in the interest package of the registration request is:
  • the communication unit is further configured to: receive the requested content providing device, as currently described And sending, by the first container set corresponding to the identifier of the request content, an update request sent after the update, where the update request includes the identifier of the requested content and the updated container set; the processor is further configured to: The update request updates the first container set corresponding to the identifier of the current request content in the correspondence between the identifier of the request content and the container set to the updated container set.
  • the format of the update request is an interest packet, where the format of the content name in the interest packet of the update request is:
  • an embodiment of the present invention provides a first device, including: a communication unit, configured to communicate with an external device; and a processor, configured to indicate the communication unit according to a preset policy and an identifier of an authoritative resolution server Sending an identifier of the requested content to the authoritative resolution server, so that the authoritative resolution server searches for the correspondence between the identifier of the current request content and the container set obtained in advance according to the identifier of the requested content, and obtains the current current relationship.
  • the processor is configured to: instruct the communication unit to send a resolution request to the authoritative resolution server, where the resolution request includes an identifier of the authoritative resolution server and the An identifier of the requested content, where the identifier of the authoritative resolution server represents routing information of the authoritative resolution server.
  • the format of the parsing request is an interest packet
  • the format of the parsing request interest packet is specifically:
  • the processor is further configured to: obtain a request message for requesting content, where the request message includes an identifier of the requested content, and the requested content identifier Corresponding second container set and identifier of the authoritative resolution server; correspondingly, the processor is configured to: determine whether the second container set in the request message is empty, and if yes, instruct the communication unit to send The identifier of the request content is sent to the authoritative resolution server; or, the request content is obtained according to the identifier of the request content; if the acquisition fails, the communication unit is instructed to forward through the second container set included in the request message Determining, by the request message, the request content; if the request message is forwarded by the second container set included in the request message to obtain the request content, the communication unit is instructed to send the identifier of the requested content to The authoritative resolution server.
  • a ninth aspect the embodiment of the present invention provides a first device, including: a communication unit, configured to communicate with an external device; and a processor, configured to indicate the communication unit according to a preset policy and an identifier of an authoritative resolution server Sending an identifier of the requested content to the authoritative resolution server, so that the authoritative resolution server searches for the correspondence between the identifier of the current request content and the container set obtained in advance according to the identifier of the requested content, and obtains the current current relationship. And requesting the first container set corresponding to the identifier of the content, and sending the identifier of the requested content according to the first container set to obtain the requested content.
  • the processor is further configured to: obtain a request message for requesting content, where the request message includes an identifier of the requested content, and the requested content identifier Corresponding second container set and identifier of the authoritative resolution server; correspondingly, the processor is configured to determine whether the second container set in the request message is empty, and if yes, instructing the communication unit to send Determining the identifier of the requested content to the authoritative resolution server; or acquiring the requested content according to the identifier of the requested content; if the obtaining fails, instructing the communication unit to send the second container set by the request message Determining an identifier of the requested content to obtain the requested content; if the identifier of the requested content is sent by the second container set included in the request message to obtain the requested content fails, instructing the communication unit to send the requested content
  • the identifier is to the authoritative resolution server.
  • the embodiment of the present invention provides a routing system, comprising the authoritative resolution server according to any of the fourth aspect or the seventh aspect, and the fifth aspect, the sixth aspect, the eighth aspect, and the ninth aspect
  • An embodiment of the present invention provides a routing method, device, and system, where a first container set corresponding to an identifier of a current request content is obtained by a fixed authoritative resolution server, The request content can be obtained according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content, which not only improves the efficiency of obtaining the container set, but also improves the scalability of the name resolution system.
  • FIG. 1 is a schematic flowchart of a routing method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another routing method according to an embodiment of the present invention
  • FIG. 4 is a detailed flowchart of a routing method according to an embodiment of the present invention
  • FIG. 5 is a specific flowchart of step 402
  • FIG. 6 is a specific flowchart of step 405;
  • FIG. 8 is a schematic flowchart of another routing method according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an apparatus for authoritatively analyzing a server according to an embodiment of the present invention;
  • FIG. 9 is a schematic diagram of another apparatus for authoritatively analyzing a server according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of an apparatus for a first device according to an embodiment of the present invention
  • FIG. 11 is a schematic diagram of another apparatus for a first device according to an embodiment of the present invention
  • FIG. 13 is a schematic diagram of another apparatus of a first device according to an embodiment of the present invention
  • FIG. 14 is a hardware device diagram of an authoritative resolution server according to an embodiment of the present invention
  • FIG. 15 is a hardware device diagram of a first device according to an embodiment of the present invention
  • FIG. 17 is a schematic diagram of a routing system according to an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a routing method according to an embodiment of the present disclosure, which may specifically include:
  • the authoritative resolution server receives the identifier of the request content sent by the first device according to the identifier of the authoritative resolution server; exemplarily, in the existing ICN network, the container set corresponding to the content identifier is stepped through the network.
  • the parsing server responds to the container parsing request. Specifically, the parsing server can parse the container parsing request and obtain the container set that the parsing server can provide. Therefore, the number of devices that can respond to the container parsing request can be realized.
  • a separate authoritative resolution server is set, which mainly plays the role of parsing the container set corresponding to the content identifier. This eliminates the need for multi-level parsing, and there is also the advantage of this approach when the content-providing device or the content provided changes, only the authoritative parsing server needs to be updated and modified, increasing scalability.
  • the authoritative resolution server searches for the correspondence between the identifier of the current request content and the container set according to the identifier of the requested content, and obtains the first container set corresponding to the identifier of the current request content; for example, the authoritative resolution server may Receiving the request content providing device in advance And sending a registration request, and then establishing a correspondence between the identifier of the request content and the container set according to the registration request, where the registration request includes the identifier of the requested content and the first container set corresponding to the identifier of the current request content;
  • the format of the registration request may be an interest package, where the format of the content name in the interest package of the registration request may be:
  • the authoritative resolution server may further receive an update request sent by the request content providing device after the update of the first container set corresponding to the identifier of the current request content, and then request the content according to the update request.
  • the first container set corresponding to the identifier of the current request content in the correspondence between the identifier and the container set is updated to the updated container set, wherein the update request includes the identifier of the requested content and the updated container set;
  • the format of the update request may be an interest package, where the format of the content name in the interest package of the update request may be:
  • the authoritative resolution server acquires the request content according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content.
  • the step S103 may include: the authoritative resolution server sends the first container set corresponding to the identifier of the current request content to the first device, so that the first device forwards the request according to the first container set corresponding to the identifier of the current request content.
  • the identification of the content the content of the request.
  • the step S103 may include: the authoritative resolution server obtains the request content according to the identifier of the first container set forwarding request content corresponding to the current request content identifier.
  • An embodiment of the present invention provides a routing method, where a first container set corresponding to an identifier of a current request content is obtained by a fixed authoritative resolution server, so that the first container set corresponding to the identifier of the current request content and the identifier of the requested content are enabled.
  • Getting the requested content not only improves the efficiency of getting container collections, but also improves the name resolution system. Scalability.
  • FIG. 2 is a schematic flowchart diagram of another routing method according to an embodiment of the present disclosure, which may include:
  • the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, so that the authoritative resolution server searches for the pre-determined identifier of the current request content and the container set according to the identifier of the requested content.
  • the first device may be a device that needs to request content, including a wireless terminal, a requesting node, or a client, etc. It is a routing node in the network, and is not described here.
  • the first device may further include the first device acquiring a request message for requesting content, where the request message includes an identifier of the requested content, a second container set corresponding to the requested content identifier, and an identifier of the authoritative resolution server.
  • the first device is a device that needs to request the content, including the wireless terminal, Request node or When the client waits, the first device may obtain the request message by directly generating a request message.
  • the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, which may include: the first device may determine whether the second container set in the request message is empty, if If it is empty, the identifier of the requested content is sent to the authoritative resolution server.
  • the first device may obtain the request message by receiving a request message sent by the device that needs to request the content, and correspondingly, the first device is configured according to the preset policy.
  • the identifier of the authoritative resolution server sends the identifier of the request content to the authoritative resolution server, and the method includes: the first device acquiring the request content according to the identifier of the requested content; if the obtaining fails, forwarding the request message by using the second container set included in the request message to obtain the request content; If the request message is forwarded by the second container set included in the request message to obtain the requested content, the identifier of the requested content is sent to the authoritative resolution server.
  • the specific manner in which the first device sends the identifier of the requested content to the authoritative resolution server may be to send a resolution request to the authoritative resolution server, where the resolution request includes an identifier of the authoritative resolution server and an identifier of the requested content, where The identifier of the authoritative resolution server indicates the routing information of the authoritative resolution server;
  • the format of the parsing request may be an interest package
  • the format of the parsing request interest packet may be:
  • the first device receives the first container set corresponding to the identifier of the current request content sent by the authoritative resolution server.
  • S203 The first device forwards the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, to obtain the requested content.
  • An embodiment of the present invention provides a routing method, where a first container set corresponding to an identifier of a current request content is obtained by a fixed authoritative resolution server, so that the first container set corresponding to the identifier of the current request content and the identifier of the requested content are enabled. Getting the requested content not only improves the efficiency of getting the container collection, but also improves the extensibility of the name resolution system.
  • FIG. 3 is a schematic flowchart diagram of still another routing method according to an embodiment of the present invention, including:
  • the first device sends an identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, so that the authoritative resolution server searches for the pre-obtained identifier of the current request content and the container set according to the identifier of the requested content.
  • the authoritative resolution server searches for the pre-obtained identifier of the current request content and the container set according to the identifier of the requested content.
  • acquiring a first container set corresponding to the identifier of the current request content and sending the identifier of the requested content according to the first container set to obtain the requested content.
  • the first device may be a device that needs to request content, including a wireless terminal, a requesting node, or a client, and the like, and may also be a routing node in the network, and details are not described herein; Specifically, before the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, the method may further include: the first device acquiring a request message for requesting the content, where the request message includes the requested content.
  • the first device sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server, which may include: the first device may determine whether the second container set in the request message is empty, if If it is empty, the identifier of the requested content is sent to the authoritative resolution server.
  • the first device may obtain the request message by receiving a request message sent by the device that needs to request the content, and correspondingly, the first device is configured according to the preset policy.
  • the identifier of the authoritative resolution server sends the identifier of the request content to the authoritative resolution server, and the method includes: the first device acquiring the request content according to the identifier of the requested content; if the obtaining fails, forwarding the request message by using the second container set included in the request message to obtain the request Content; if the request message is forwarded by the second container set included in the request message to obtain the requested content, the identifier of the requested content is sent to the authoritative resolution server.
  • the specific manner in which the first device sends the identifier of the requested content to the authoritative resolution server may be: sending the request message acquired by the first device to the authoritative resolution server, so that the authoritative resolution server directly according to the request message Get the content of the request.
  • An embodiment of the present invention provides a routing method, where a first container set corresponding to an identifier of a current request content is obtained by a fixed authoritative resolution server, so that the first container set corresponding to the identifier of the current request content and the identifier of the requested content are enabled. Getting the requested content not only improves the efficiency of getting the container collection, but also improves the extensibility of the name resolution system.
  • FIG. 4 is a detailed flowchart of a routing method according to an embodiment of the present invention.
  • the first device may include the first device.
  • the first device is configured as a routing node in the network, and the specific method may be include:
  • the routing node obtains the request message for requesting the content.
  • the request message includes an identifier of the requested content, a second container set corresponding to the requested content identifier, and an identifier of the authoritative resolution server.
  • the routing A node can receive a request message sent by a device that needs to request content.
  • step 402 may include:
  • the routing node obtains the content of the request according to the identifier of the content of the request.
  • the routing node may search for the content corresponding to the identifier of the requested content in the local cache according to the identifier of the requested content, and the specific process and the existing ICN network. The technology is similar, and details are not described herein. If the search is successful, the routing node returns the obtained request content to the device that needs to request the content. If the search is unsuccessful, step 502 is performed.
  • the routing node forwards the request message by using the second container set that is included in the request message to obtain the content of the request.
  • the specific process is similar to the existing ICN network technology, and is not described here. If the routing node can pass the request message, the second part is included. If the container set forwarding request message acquires the requested content, the obtained request content is returned to the device that needs to request the content; if the requested content cannot be obtained, step 503 is performed.
  • the routing node sends the identifier of the requested content to the authoritative resolution server. Specifically, the routing node sends the identifier of the requested content to the authoritative resolution server.
  • the method may be: sending a parsing request to the authoritative parsing server, where the parsing request includes an identifier of the authoritative parsing server and an identifier of the requesting content, where the identifier of the authoritative parsing server indicates routing information of the authoritative parsing server;
  • Interest package the format of the parsing request interest package can be:
  • the authoritative resolution server receives the identifier of the request content sent by the routing node according to the identifier of the authoritative resolution server.
  • the authoritative resolution server searches for a correspondence between the identifier of the current request content and the container set according to the identifier of the requested content, and obtains a first container set corresponding to the identifier of the current request content; for example, the authoritative resolution server may advance Receiving a registration request sent by the request content providing device, and then establishing a correspondence between the identifier of the request content and the container set according to the registration request, where the registration request includes the identifier of the requested content and the first container set corresponding to the identifier of the current request content;
  • the format of the registration request may be an interest package, where the format of the content name in the interest package of the registration request may be:
  • the authoritative resolution server may further receive an update request sent by the request content providing device after the update of the first container set corresponding to the identifier of the current request content, and then request the content according to the update request.
  • the first container set corresponding to the identifier of the current request content in the correspondence between the identifier and the container set is updated to the updated container set, wherein the update request includes the identifier of the requested content and the updated container set;
  • the format of the update request may be an interest package, where the format of the content name in the interest package of the update request may be:
  • step 405 The authoritative resolution server obtains the request content according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content.
  • step 405 may include:
  • the authoritative resolution server sends the first container set corresponding to the identifier of the current request content to the routing node;
  • the routing node receives the first container set corresponding to the identifier of the current request content sent by the authoritative resolution server.
  • the routing node forwards the identifier of the request content according to the first container set corresponding to the identifier of the current request content, to obtain the request content. Specifically, after receiving the first container set corresponding to the identifier of the current request content, the routing node requests The second container set in the message is updated to the first container set, and the updated request message is forwarded.
  • the specific forwarding process is similar to the existing ICN network technology, and is not described again. Finally, the requested content is obtained, and the request is obtained. The content is returned to the device that needs to request the content, completing the entire routing process.
  • the step 405 may include: the authoritative resolution server retrieving the identifier of the request content according to the first container set corresponding to the current request content identifier, acquiring the requested content, and returning the obtained request content to the device that needs to request the content, thereby completing the entire Routing process.
  • An embodiment of the present invention provides a routing method, where a first container set corresponding to an identifier of a current request content is obtained by a fixed authoritative resolution server, so that the first container set corresponding to the identifier of the current request content and the identifier of the requested content are enabled. Getting the requested content not only improves the efficiency of getting the container collection, but also improves the extensibility of the name resolution system.
  • the first device may include the first device. It may be a device that needs to request content, including a wireless terminal, a requesting node, or a client, etc., or may be a routing node in the network. In this embodiment, the first device is configured as a device that needs to request content, in order to be clear.
  • the preferred embodiment of the present invention is a requesting node, and the first method in this embodiment is not limited to the requesting node.
  • the specific method may include:
  • the requesting node obtains the request message for requesting the content; for example, the requesting node is the device that needs to request the content, so the requesting node may obtain the request message by directly generating the request message, where, the request message
  • the identifier of the requested content, the second container set corresponding to the requested content identifier, and the identifier of the authoritative resolution server are included.
  • the requesting node sends the identifier of the requested content to the authoritative resolution server according to the preset policy and the identifier of the authoritative resolution server.
  • the requesting node may determine whether the second container set in the request message is empty, if not, The requesting node sends the request message to the routing node to obtain the content of the request.
  • the specific process is similar to the embodiment shown in FIG. 4, and details are not described herein; if it is empty, the identifier of the request content is sent to the authoritative resolution server, specifically In this embodiment, the requesting node sends the request message directly to the authoritative resolution server.
  • the authoritative resolution server receives the identifier of the request content sent by the requesting node according to the identifier of the authoritative resolution server.
  • the authoritative resolution server searches for the correspondence between the identifier of the current request content and the container set according to the identifier of the requested content, and obtains the first container set corresponding to the identifier of the current request content.
  • the exemplary process is as follows. The description of the embodiments is not repeated here.
  • the authoritative resolution server obtains the request content according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content.
  • the authoritative resolution server may update the first container set to the request message, and then directly forward or send the request message to the routing node for forwarding, to obtain the requested content, and the specific process is as described in the foregoing embodiment. As described, it will not be repeated here.
  • An embodiment of the present invention provides a routing method, where a first container set corresponding to an identifier of a current request content is obtained by a fixed authoritative resolution server, so that the first container set corresponding to the identifier of the current request content and the identifier of the requested content are enabled. Getting the requested content not only improves the efficiency of getting the container collection, but also improves the extensibility of the name resolution system.
  • an authoritative resolution server 80 includes: a receiving unit 801, configured to receive an identifier of a request content sent by a first device according to an identifier of an authoritative resolution server 80; And obtaining a first container set corresponding to the identifier of the current request content according to the identifier of the request content, and obtaining a correspondence between the identifier of the currently requested content and the container set; the obtaining unit 802 further uses And acquiring the requested content according to the first container set corresponding to the identifier of the current request content and the identifier of the requested content.
  • the receiving unit 801 is further configured to: receive, in advance, a registration request sent by the request content providing device, where the registration request includes an identifier of the requested content and a first container set corresponding to an identifier of the current requested content.
  • the authoritative resolution server 80 may further include an establishing unit 803, configured to establish, according to the registration request, a correspondence between the identifier of the requested content and the container set; preferably, in this embodiment
  • the format of the registration request may be an interest package, where the format of the content name in the interest package of the registration request may be:
  • the receiving unit 801 may further receive an update request that is sent by the content providing device after the first container set corresponding to the identifier of the current request content is updated; as shown in FIG.
  • the parsing server 80 may further include an updating unit 804, Updating the first container set corresponding to the identifier of the current request content in the correspondence between the identifier of the request content and the container set according to the update request to the updated container set, wherein the update request includes the identifier of the requested content and the updated
  • the format of the update request may be an interest package, where the format of the content name in the interest package of the update request may be:
  • the obtaining unit 802 is configured to: send, by the first device, the first container set corresponding to the identifier of the current request content to the first device, so that the first device is configured according to the current identifier of the requested content.
  • the corresponding first container set forwards the identifier of the requested content, and obtains the requested content.
  • the obtaining unit 802 is configured to: forward the identifier of the requested content according to the current container set corresponding to the request content identifier, and obtain the requested content.
  • An embodiment of the present invention provides an authoritative resolution server 80, which acquires, by a fixed authoritative resolution server 80, a first container set corresponding to an identifier of a current request content, so as to enable a first container set and a request according to an identifier of the currently requested content.
  • the identification of the content obtains the requested content, which not only improves the efficiency of obtaining the container collection, but also improves the scalability of the name resolution system.
  • FIG. 10 is a schematic diagram of an apparatus for a first device 100 according to an embodiment of the present invention.
  • the first device 100 may be a device that needs to request content, including a wireless terminal, a requesting node, or a client, or the like.
  • the routing device, the first device 100 may include: a sending unit 1001, configured to send, according to the preset policy and the identifier of the authoritative resolution server, an identifier of the requested content to the authoritative resolution server, so that the authoritative resolution server searches for the pre-acquired according to the identifier of the requested content.
  • the receiving unit 1002 is configured to receive the first container set corresponding to the identifier of the current request content sent by the authoritative resolution server ;
  • the forwarding unit 1003 is configured to forward the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, to obtain the requested content.
  • the first device 100 may further include: an obtaining unit 1004, configured to acquire a request message for requesting content, where the request message includes an identifier of the requested content, and a second container set corresponding to the requested content identifier. And the identity of the authoritative resolution server;
  • the obtaining unit 1004 may obtain the request message by directly generating a request message.
  • the sending unit 1001 can be configured to determine whether the second container set in the request message is empty. If it is empty, send the identifier of the requested content to the authoritative resolution server.
  • the obtaining unit 1004 may obtain the request message by receiving a request message sent by the device that needs to request the content;
  • the obtaining unit 1004 is configured to obtain the requested content according to the identifier of the requested content. If the obtaining fails, the forwarding unit 1003 is configured to: by requesting the second container set forwarding request message included in the request message, to obtain the requested content; and if the forwarding unit 1003 The forwarding unit 1003 is configured to send the identifier of the requested content to the authoritative resolution server by forwarding the request message by the second container set included in the request message to obtain the content of the request.
  • the specific manner of the sending unit 1001 sending the identifier of the requested content to the authoritative resolution server may be to send a parsing request to the authoritative parsing server, where the parsing request includes an identifier of the authoritative parsing server and an identifier of the requested content, where The identifier of the authoritative resolution server indicates the routing information of the authoritative resolution server;
  • the format of the parsing request may be an interest package
  • the format of the parsing request interest packet may be:
  • the forwarding unit 1003 forwards the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, to obtain the requested content, which may be the forwarding unit 1003. Update the second container set in the request message to the first container set, and forward the updated request message, and the specific forwarding process is similar to the existing ICN network technology, and will not be described again, and finally the requested content is obtained, and The request content is returned to the device that needs to request the content, thereby completing the entire routing process.
  • An embodiment of the present invention provides a first device 100, which acquires, by a fixed authoritative resolution server, a first container set corresponding to an identifier of a current request content, so as to enable a first container set and a request content according to an identifier of the currently requested content.
  • the identification of the request content can not only improve the efficiency of obtaining the container collection, but also improve the scalability of the name resolution system.
  • FIG. 12 is a schematic diagram of another apparatus for a first device 120 according to an embodiment of the present invention.
  • the first device 120 may be a device that needs to request content, including a wireless terminal, a requesting node, or a client, or may be in a network.
  • the routing device, the first device 120 may include: a sending unit 1201, configured to send, according to the preset policy and the identifier of the authoritative resolution server, an identifier of the requested content to the authoritative resolution server, so that the authoritative resolution server obtains the identifier according to the identifier of the requested content.
  • the first device 120 may further include an obtaining unit 1202, configured to acquire a request message for requesting content, where the request message includes an identifier of the requested content, a second container set corresponding to the requested content identifier, and an authority.
  • the identifier of the server is obtained.
  • the obtaining unit 1202 may obtain the request message by directly generating a request message.
  • the sending unit 1201 is configured to determine whether the second container set in the request message is empty. If it is empty, send the identifier of the requested content to the authoritative resolution server.
  • the first device 120 is a routing node in the network. At the time, the obtaining unit 1202 can obtain the request by receiving a request message sent by the device that needs to request the content. Ask for news;
  • the obtaining unit 1202 is further configured to acquire the request valley according to the identifier of the requested content.
  • the sending unit 1201 is configured to: send, by using the second container set included in the request message, the identifier of the requested content to obtain the requested content; and if the sending unit 1201 sends the identifier of the requested content by using the second container set included in the request message.
  • the sending unit 1201 is configured to send the identifier of the requested content to the authoritative resolution server.
  • An embodiment of the present invention provides a first device 120, which acquires, by a fixed authoritative resolution server, a first container set corresponding to an identifier of a current request content, so as to enable a first container set and a request content according to an identifier of a current request content.
  • the identification of the request content can not only improve the efficiency of obtaining the container collection, but also improve the scalability of the name resolution system.
  • FIG. 14 is a hardware device diagram of an authoritative resolution server 80 according to an embodiment of the present invention, including at least one communication unit 1401, at least one processor 1402, at least one memory 1403, and at least one communication bus 1404 for implementing these Connections between devices and mutual communication. among them,
  • the communication bus 1404 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Wait.
  • the bus 1404 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 14, but it does not mean that there is only one bus or one type of bus.
  • the memory 1403 is for storing executable program code, the program code including computer operating instructions.
  • the memory 1403 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory.
  • the processor 1402 may be a central processing unit (CPU) or a specific integrated circuit (Application Specific Integrated) Circuit, abbreviated as ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.
  • the processor 1402 is configured to execute executable program code stored in the memory 1403, such as a computer program, to execute a program corresponding to the executable code.
  • the communication unit 1401 is configured to receive an identifier of the requested content sent by the first device according to the identifier of the authoritative resolution server;
  • the processor 1402 is configured to search, according to the identifier of the content requested by the communication unit 1401, the correspondence between the identifier of the content requested by the current communication unit 1401 and the container set, and obtain the first container set corresponding to the identifier of the content requested by the current communication unit 1401. And the first container set corresponding to the identification of the content requested by the current communication unit 1401 and the communication unit 1401 requesting the identification of the content acquisition communication unit 1401 to request the content.
  • the processor 1402 is configured to: instruct the communication unit 1401 that the communication unit 1401 sends the first container set corresponding to the identifier of the content requested by the current communication unit 1401 to the first unit of the communication unit 1401, so that the communication unit 1401 is configured by the first device according to
  • the communication unit 1401 requests the first container set forwarding communication unit 1401 corresponding to the identifier of the content to request the identification of the content, and acquires the communication unit 1401 to request the content.
  • the processor 1402 is configured to: according to the communication unit 1401, the current communication unit 1401 requests the container set corresponding to the content identifier to forward the identifier of the content requested by the communication unit 1401, and obtain the communication unit 1401 request content.
  • the communication unit 1401 is further configured to: receive, by the communication unit 1401, a registration request sent by the content providing device, where the communication unit 1401 registration request includes the identifier of the content requested by the communication unit 1401 and the first corresponding to the identifier of the current communication unit 1401 requesting the content.
  • Container collection includes the identifier of the content requested by the communication unit 1401 and the first corresponding to the identifier of the current communication unit 1401 requesting the content.
  • the communication unit 1401 processor 1402 is further configured to establish, according to the communication unit 1401 registration request, a correspondence between the identifier of the communication unit 1401 requesting the content and the communication unit 1401 container set.
  • the format of the registration request of the communication unit 1401 is an interest package, wherein the format of the content name in the interest packet registered by the communication unit 1401 is: / Authoritative resolution server ID / REGISTER / request content identification / CONTAINER / container collection.
  • the communication unit 1401 is further configured to: receive, by the communication unit 1401, an update request sent by the content providing device after the current communication unit 1401 requests the first container set corresponding to the identifier of the content to be updated, and the communication unit 1401 update request includes the communication The unit 1401 requests the identification of the content and the updated container set of the communication unit 1401;
  • the communication unit 1401 processor 1402 is further configured to: according to the communication unit 1401 update request, update the first container set corresponding to the identifier of the content requested by the current communication unit 1401 in the correspondence between the identifier of the content requested by the communication unit 1401 and the container set to The updated container collection of the communication unit 1401.
  • the format of the update request of the communication unit 1401 is an interest package, wherein the format of the content name in the interest package of the communication unit 1401 update request is:
  • An embodiment of the present invention provides an authoritative resolution server 80, which acquires, by a fixed authoritative resolution server 80, a first container set corresponding to an identifier of a current request content, so as to enable a first container set and a request according to an identifier of the currently requested content.
  • the identification of the content obtains the requested content, which not only improves the efficiency of obtaining the container collection, but also improves the scalability of the name resolution system.
  • a hardware device diagram of a first device 100 includes: at least one communication unit 1501, a processor 1502, a memory 1503, and a bus 1504.
  • the at least one communication unit 1501 and the processor 1502 The memory 1503 is connected through the bus 1504 and completes communication with each other.
  • the bus 1504 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Wait.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 1504 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 15, but it does not mean that there is only one bus or one type of bus. among them:
  • Memory 1 503 is for storing executable program code, which includes computer operating instructions.
  • the memory 1503 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory.
  • the storage device stores: an operating system, an application, and program code for implementing an embodiment of the present invention.
  • the operating system is used to control and implement the processing functions performed by the processing unit.
  • the application contains program code such as word processing software and email software.
  • the processor 1 502 may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more configured to implement the embodiments of the present invention. Integrated circuits.
  • the communication unit 1501 is configured to communicate with the external device.
  • the processor 1502 is configured to: according to the preset policy and the identifier of the authoritative resolution server, instruct the communication unit 1501 to send the identifier of the requested content to the authoritative resolution server, so that the authoritative resolution server according to the request.
  • the identifier of the content is used to search for the correspondence between the identifier of the current request content and the container set, and obtain the first container set corresponding to the identifier of the current request content; and the communication unit 1 501 is configured to receive the current request content sent by the authoritative resolution server. Identifying a corresponding first container set; and instructing the communication unit 1 501 to forward the identifier of the requested content according to the first container set corresponding to the identifier of the current request content, to obtain the requested content.
  • the processor 1502 is configured to: instruct the communication unit 1 501 to send a parsing request to the authoritative parsing server, where the parsing request includes an identifier of the authoritative parsing server and an identifier of the requested content, where the identifier of the authoritative parsing server indicates the routing of the authoritative parsing server
  • the format of the parsing request is an interest packet
  • the format of the parsing request interest packet is specifically:
  • the processor 1502 is further configured to: obtain a request message for requesting content,
  • the request message includes an identifier of the requested content, a second container set corresponding to the requested content identifier, and an identifier of the authoritative resolution server.
  • the processor 1502 is configured to determine whether the second container set in the request message is empty, if If yes, the communication unit 1 501 is configured to send the identifier of the requested content to the authoritative resolution server; or, the request content is obtained according to the identifier of the requested content; if the acquisition fails, the communication unit 1501 is instructed to forward the request message by using the second container set included in the request message.
  • An embodiment of the present invention provides a first device 100, which acquires, by a fixed authoritative resolution server, a first container set corresponding to an identifier of a current request content, so as to enable a first container set and a request content according to an identifier of the currently requested content.
  • the identification of the request content can not only improve the efficiency of obtaining the container collection, but also improve the scalability of the name resolution system.
  • a hardware device diagram of another first device 120 includes: at least one communication unit 1 601, a processor 1602, a memory 1603, and a bus 1604, and the at least one communication unit 1601
  • the processor 1602 and the memory 1 603 are connected by the bus 1604 and complete communication with each other.
  • the bus 1604 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Wait.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 1604 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 16, but it does not mean that there is only one bus or one type of bus.
  • the memory 1 603 is for storing executable program code, the program code including computer operating instructions.
  • the memory 1603 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory. Storage in the storage device: an operating system, an application, a program code for implementing an embodiment of the present invention.
  • the operating system is used to control and implement the processing functions performed by the processing unit.
  • the application contains program code, such as word processing software, email software.
  • the processor 1 602 may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more configured to implement the embodiments of the present invention. Integrated circuits.
  • the communication unit 1601 is configured to communicate with an external device.
  • the processor 1602 is configured to: according to the preset policy and the identifier of the authoritative resolution server, instruct the communication unit 1601 to send an identifier of the requested content to the authoritative resolution server, so that the authoritative resolution server according to the request.
  • the identifier of the content is searched for the corresponding relationship between the identifier of the current request content and the container set, and the first container set corresponding to the identifier of the current request content is obtained, and the identifier of the requested content is sent according to the first container set to obtain the requested content.
  • the processor 1 602 is further configured to: obtain a request message for requesting content, where the request message includes an identifier of the requested content, a second container set corresponding to the requested content identifier, and an identifier of the authoritative resolution server; The processor 1 602 is configured to determine whether the second container set in the request message is empty, and if yes, instruct the communication unit 1601 to send the identifier of the requested content to the authoritative resolution server; or obtain the requested content according to the identifier of the requested content; If the acquisition fails, the communication unit 1601 sends the identifier of the requested content to obtain the requested content by using the second container set included in the request message; if the identifier of the requested content is sent by the second container set included in the request message to obtain the requested content, the indication is The communication unit 1601 sends the identification of the requested content to the authority Parse the server.
  • An embodiment of the present invention provides a first device 120, which acquires, by a fixed authoritative resolution server, a first container set corresponding to an identifier of a current request content, so as to enable a first container set and a request content according to an identifier of a current request content.
  • the identification of the request content can not only improve the efficiency of obtaining the container collection, but also improve the scalability of the name resolution system.
  • a routing system 170 includes any of the authoritative resolution servers 80 of the foregoing embodiments and any of the first devices 100 or 120 of the foregoing embodiments.
  • the embodiment of the present invention provides a routing system 170, which acquires, by a fixed authoritative resolution server 80, a first container set corresponding to the identifier of the current request content, so as to enable the first container set and the requested content according to the identifier of the current request content.
  • the identification of the request content can not only improve the efficiency of obtaining the container collection, but also improve the scalability of the name resolution system.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or may be two or two.
  • the upper unit is integrated in one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the software functional unit described above is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform portions of the steps of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a disk or an optical disk, and the like, which can store program codes. Medium.

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Abstract

Un mode de réalisation de la présente invention fournit un procédé, un dispositif et un système de routage, améliorant non seulement l'efficacité d'acquisition d'un ensemble de contenants, mais également la variabilité dimensionnelle d'un système de résolution de nom. Le procédé consiste en ce que : un serveur de résolution d'autorité reçoit l'identifiant du contenu demandé transmis par un premier dispositif conformément à l'identifiant du serveur de résolution d'autorité ; le serveur de résolution d'autorité recherche une correspondance entre l'identifiant obtenu au préalable du contenu demandé actuel et l'ensemble de contenants conformément à l'identifiant du contenu demandé, et acquiert un premier ensemble de contenants correspondant à l'identifiant du contenu demandé actuel ; et le serveur de résolution d'autorité acquiert le contenu demandé conformément au premier ensemble de contenants correspondant à l'identifiant du contenu demandé actuel et à l'identifiant du contenu demandé.
PCT/CN2013/084972 2013-10-10 2013-10-10 Procédé, dispositif et système de routage WO2015051517A1 (fr)

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