WO2015100647A1 - Procédé et dispositif de distribution de contenu - Google Patents

Procédé et dispositif de distribution de contenu Download PDF

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Publication number
WO2015100647A1
WO2015100647A1 PCT/CN2013/091181 CN2013091181W WO2015100647A1 WO 2015100647 A1 WO2015100647 A1 WO 2015100647A1 CN 2013091181 W CN2013091181 W CN 2013091181W WO 2015100647 A1 WO2015100647 A1 WO 2015100647A1
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WO
WIPO (PCT)
Prior art keywords
information
downstream
user equipment
controller
identification information
Prior art date
Application number
PCT/CN2013/091181
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English (en)
Chinese (zh)
Inventor
吴问付
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/CN2013/091181 priority Critical patent/WO2015100647A1/fr
Priority to CN201380018862.0A priority patent/CN105027532B/zh
Publication of WO2015100647A1 publication Critical patent/WO2015100647A1/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
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching

Definitions

  • Embodiments of the present invention relate to communication technologies, and in particular, to a content distribution method and apparatus. Background technique
  • FIG. 1 is a schematic diagram of a prior art content distribution network architecture.
  • CDNI is a layered CDN (Content Distribution Network). , content distribution network) mechanism, divided into upstream CDN (Upstream CDN) and downstream CDN (Downstream CDN), wherein the upstream CDN belongs to the CDN provider, and the downstream CDN belongs to the NSP (Network Service Provider, network service provider, such as mobile The operator), ICP (Internet Content Provider, content provider, such as Google) signed a commercial agreement with the upstream CDN, the upstream CDN and the downstream CDN signed a commercial agreement; during the content distribution process, the upstream CDN redirected the user's content distribution request to the downstream The CDN distributes the content to the UE (User Equipment) by the downstream CDN.
  • NSP Network Service Provider, network service provider, such as mobile The operator
  • ICP Internet Content Provider, content provider, such as Google
  • the upstream CDN may enter into a commercial agreement with multiple downstream CDNs.
  • the upstream CDN cannot determine which downstream CDN to select for the user, thereby making it possible. Selecting a faulty downstream CDN, the downstream CDN does not belong to the NSP accessed by the user, and thus cannot serve the user, resulting in failure to provide the content service requested by the user, and the user experience is poor, or the selected downstream CDN may be located closer to the UE.
  • the transmission delay is large, the QoS (Quality of Service) is low, and the user experience is poor.
  • the embodiment of the invention provides a content distribution method and device, which is controlled by an upstream controller, a downstream main controller, and a downstream slave controller to select a cache device that provides a cache service for the UE, shortens the transmission delay, improves content distribution efficiency, and improves Content distribution uses QoS to improve the user experience.
  • a first aspect of the present invention provides a content distribution method, including:
  • the upstream controller receives content request information of the user equipment;
  • the upstream controller sends a first query request to the first downstream main controller, where the first query request is used to request the first downstream main controller to provide the identifier information of the cache device that provides the cache service for the user equipment. ;
  • the upstream controller sends the identifier information of the cache device to the user equipment, so that the user equipment sends the content request information to the cache device according to the identifier information of the cache device.
  • the upstream controller acquires network service provider information of the access of the user equipment; the network controller provider information according to the access of the user equipment, and the network stored by the upstream controller itself Querying and acquiring the network service provider information of the one or more downstream primary controllers and the network accessed by the user equipment, and the identifier information of the one or more downstream primary controllers Identification information of the first downstream primary controller having the same service provider information;
  • the sending, by the upstream controller, the first query request to the first downstream primary controller, the method includes: sending, by the upstream controller, a first query request to the first downstream primary controller corresponding to the identifier information;
  • the upstream controller sends the network service provider information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server is configured according to the user equipment.
  • Querying and obtaining the network service provider information of the access and the identification information of one or more downstream primary controllers in the network stored in the domain name server or the application layer transmission optimization server and the network service provider information thereof The identification information of the first downstream primary controller that belongs to the network service provider information of the one or more downstream primary controllers and the network service provider information that is accessed by the user equipment, the upstream controller receives the The identifier information of the first downstream main controller returned by the domain name server or the application layer transport optimization server;
  • the upstream controller sends a first query request to the first downstream primary controller, including: The upstream controller sends a first query request to the first downstream primary controller corresponding to the identifier information.
  • the acquiring, by the upstream controller, network service provider information of the access of the user equipment includes:
  • the content request information includes network service provider information that is accessed by the user equipment, and the upstream controller acquires network service provider information that is accessed by the user equipment from the content request information of the user equipment; or ,
  • the upstream controller sends an access network service provider information query request to the user equipment, and the upstream controller receives the accessed network service provider information returned by the user equipment;
  • the upstream controller receives network service provider information accessed by the user equipment sent by the content server.
  • the method further includes:
  • the upstream controller receives registration information of one or more downstream primary controllers in the network, where the registration information includes identification information of one or more downstream primary controllers in the network and a network service provider to which the network controller belongs Information; or,
  • the upstream controller acquires the identification information of one or more downstream primary controllers in the network and the network service provider information to which it belongs; or
  • the upstream controller acquires the identification information of one or more downstream primary controllers in the network and the network service provider information to which it belongs from the operation support system or the service support system.
  • the content request information includes Access location information of the user equipment
  • the upstream controller receives the first downstream master sent by the first downstream primary controller.
  • the method further includes: sending, by the upstream controller, access location information of the user equipment to the first downstream main controller, to And causing, by the first downstream main controller, the access location information of the user equipment and one or more downstream slave controllers connected by the first downstream main controller stored by the first downstream main controller itself Identification information and location area information of the service, querying and obtaining the identifier of the first downstream slave controller of the location area information of the one or more downstream slave controllers and the access location information of the user equipment And the information that is used by the first downstream main controller to send a second query request to the first downstream slave controller according to the identifier information of the first downstream slave controller, requesting the first downstream slave controller to select and send the
  • the user equipment provides the identification information of the cache device of the cache service to the first downstream main controller.
  • a content distribution method comprising:
  • the first downstream main controller receives the first query request sent by the upstream controller, where the first query request is used to request the first downstream main controller to provide the identifier information of the cache device that provides the cache service for the user equipment;
  • the first downstream main controller sends a second query request to the first downstream slave controller, where the second query request is used to request the first downstream slave controller to provide a cache device that provides a cache service for the user equipment.
  • Identification information ;
  • the first downstream main controller sends the identification information of the cache device to the upstream controller.
  • the method before the first downstream main controller sends the second query request to the first downstream slave controller, the method further includes:
  • the first query request received by the first downstream main controller includes the access location information of the user equipment; or
  • the first downstream from the controller invokes a location application interface provided by the open platform to obtain access location information of the user equipment;
  • the first downstream main controller is configured according to the access location information of the user equipment, and the identifier information of one or more downstream slave controllers in the network stored by the first downstream host controller and the location of the service thereof. Area information, querying and obtaining the location area of the one or more downstream slave controllers The identifier information of the first downstream slave controller whose domain information is the same as the access location information of the user equipment;
  • the first downstream primary controller sends a second query request to the first downstream slave controller, including: the first downstream primary controller sends a second query request to the first downstream slave controller corresponding to the identifier information. .
  • the method before the sending, by the first downstream main controller, the first downstream slave controller to the second query request, the method further includes:
  • the first query request received by the first downstream main controller includes the access location information of the user equipment; or
  • the first downstream from the controller invokes a location application interface provided by the open platform to obtain access location information of the user equipment;
  • the first downstream main controller sends the access location information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server is configured according to the user equipment. And accessing the location information and the location information of one or more downstream slave controllers in the network stored in the domain name server or the application layer transport optimization server, and the location area information of the service, querying and acquiring the one or more
  • the location information of the downstream slave controller is the same as the identifier information of the first downstream slave controller of the user equipment, and the first downstream host controller receives the domain name server or the application layer transmission optimization server. Returning identification information of the first downstream slave controller;
  • the first downstream primary controller sends a second query request to the first downstream slave controller, including: the first downstream primary controller sends a second query request to the first downstream slave controller corresponding to the identifier information. .
  • the first downstream main controller is configured according to the user equipment Querying and acquiring the one or more downstream slave controllers by entering location information, and identification information of one or more downstream slave controllers in the network stored in the first downstream master controller and location information of the services thereof
  • the location information includes:
  • the first downstream main controller receives registration information of one or more downstream slave controllers in the network, where the registration information includes the identifier of one or more downstream slave controllers in the network Location and location information of the information and its services; or,
  • the first downstream main controller acquires the identification information of one or more downstream slave controllers in the network and the location area information of the service from the operation support system or the service support system.
  • the method further includes: sending, by the first downstream master controller, access location information of the user equipment to the first downstream slave a controller, so that the first downstream slave controller according to the access location information of the user equipment and the identifier information and service of multiple cacheable cache devices in the network stored by the first downstream slave controller itself
  • the location area information is used to query and obtain the identification information of the cache device that has the same location area information of the service in the one or more cache devices and the access location information of the user equipment.
  • a third aspect of the present invention provides a content distribution method, including:
  • the first downstream slave controller sends the determined identifier information of the cache device that provides the cache service to the user equipment to the first downstream host controller.
  • the first downstream slave controller determines, in the one or more cache devices of the network, a cache device that provides a cache service for the user equipment, specifically:
  • the first downstream slave controller according to the access location information of the user equipment and the first Querying and obtaining the location of the service of the one or more cache devices from the identifier information of one or more cache-capable cache devices and the location area information of the plurality of cache device services in the network stored by the controller itself
  • the area information is the same as the access location information of the user equipment, and the identifier information of the cache device that provides the cache service for the user equipment.
  • the first downstream slave controller sends a flow rule instruction to the cache device that provides the cache service for the user equipment, where the flow rule instruction is used to indicate that the cache device that provides the cache service for the user equipment performs A content distribution request of the user equipment.
  • the first downstream acquires, from the controller, the identification information of one or more cache devices in the network and the location area information of the service.
  • a fourth aspect of the present invention provides a content distribution apparatus, including:
  • a first receiving module configured to receive content request information of the user equipment
  • a first sending module configured to send a first query request to the first downstream main controller, where the first query request is used to request the first downstream main controller to provide a cache device that provides a cache service for the user equipment Identification information;
  • a second receiving module configured to receive, by the first downstream main controller, identifier information of the cache device that is sent by the first downstream host controller from the first downstream slave controller;
  • the second sending module is configured to send the identifier information of the cache device to the user equipment, so that the user equipment sends the content request information to the cache device according to the identifier information of the cache device.
  • the method further includes:
  • a processing module configured to obtain network service provider information of access of the user equipment;
  • the processing module is configured according to network service provider information of the access of the user equipment, and one or more downstream channels in the network that is stored by itself Querying and obtaining the network service provider information of the one or more downstream main controllers and the network service provider information accessed by the user equipment, Identification information of the first downstream main controller;
  • the first sending module is specifically configured to:
  • the processing module sends the network service provider information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server is configured according to the user equipment.
  • Querying and obtaining the network service provider information of the access and the identification information of one or more downstream primary controllers in the network stored in the domain name server or the application layer transmission optimization server and the network service provider information thereof Determining, by the processing module, the identifier information of the first downstream main controller, where the network service provider information of the one or more downstream main controllers is the same as the network service provider information accessed by the user equipment, and the processing module receives the domain name server Or the identification information of the first downstream primary controller returned by the application layer transmission optimization server;
  • the first sending module is specifically configured to:
  • the processing module by the processing module, the network service provider information that is accessed by the user equipment, specifically includes:
  • the content request information includes network service provider information that is accessed by the user equipment, and the processing module acquires network service provider information that is accessed by the user equipment from the content request information of the user equipment; or
  • the processing module sends an access network service provider information query request to the user equipment, and the processing module receives the accessed network service provider information returned by the user equipment; or the processing module receives the content server to send Network service provided by the user equipment access Business information.
  • the processing module is configured according to the network service provider information of the user equipment access Querying and acquiring the network service provider information of the one or more downstream main controllers and the user equipment access information of the one or more downstream main controllers in the network Before the network service provider information is identical to the identification information of the first downstream primary controller, it is also used to:
  • Registration information of one or more downstream primary controllers in the network where the registration information includes identification information of one or more downstream primary controllers in the network and network service provider information to which the network controller belongs;
  • the content request information includes Access location information of the user equipment
  • the first receiving module receives the first sending information sent by the first downstream main controller before the first downstream main controller receives the identification information of the cache device sent by the first downstream slave controller, and the first sending The module is also used to:
  • the first downstream main controller Sending the access location information of the user equipment to the first downstream main controller, so that the first downstream main controller according to the access location information of the user equipment and the first downstream main controller itself Querying and acquiring location information of one or more downstream slave controllers connected by the first downstream master controller and location information of the services thereof, and querying and acquiring location regions of the one or more downstream slave controllers And the identifier information of the first downstream slave controller that is the same as the access location information of the user equipment, where the first downstream master controller sends the second query request according to the identifier information of the first downstream slave controller.
  • the first downstream slave controller Up to the first downstream slave controller, requesting the first downstream slave controller to select and send the identifier information of the cache device that provides the cache service for the user equipment to the first downstream master controller.
  • a fifth aspect of the present invention provides a content distribution apparatus, including: a first receiving module, configured to receive a first query request sent by the upstream controller, where the first query request is used to request the first downstream host controller to provide identifier information of a cache device that provides a cache service for the user equipment;
  • a first sending module configured to send a second query request to the first downstream slave controller, where the second query request is used to request the first downstream slave controller to provide a cache device that provides a cache service for the user equipment Identification information;
  • a second receiving module configured to receive identifier information of the cache device sent by the first downstream slave controller
  • the first query request received by the first receiving module includes access location information of the user equipment; or
  • a processing module configured to invoke a location application interface provided by the open platform, to obtain access location information of the user equipment
  • the processing module queries and acquires the one or more according to the access location information of the user equipment, and the identifier information of one or more downstream slave controllers in the network that is stored in the network and the location area information of the service.
  • the first sending module is specifically configured to:
  • the method further includes: the first query request received by the first receiving module includes the access location information of the user equipment; or
  • the processing module invokes a location application interface provided by the open platform to obtain access location information of the user equipment;
  • the processing module sends the access location information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server according to the access location of the user equipment And the location information of one or more downstream slave controllers in the network stored in the domain name server or the application layer transport optimization server and the location area information of the service, querying and acquiring the one or more downstream slave controls
  • the location information of the device is the same as the identification information of the first downstream slave controller of the access location information of the user equipment, and Receiving identification information of the first downstream slave controller returned by the domain name server or the application layer transmission optimization server;
  • the first sending module is specifically configured to:
  • the processing module is configured according to the access location information of the user equipment, and the foregoing Querying and acquiring location area information of the one or more downstream slave controllers and the user by identifying information of one or more downstream slave controllers in the network stored in the downstream master controller and location information of the services thereof Before the device's access location information is the same as the first downstream slave controller's identification information, it is also used to:
  • Registration information of one or more downstream slave controllers in the network where the registration information includes the identifier information of one or more downstream slave controllers in the network and location area information of the service;
  • the identification information of one or more downstream slave controllers in the network and the location area information of the service are obtained from an operation support system or a service support system.
  • the second receiving module receives Before the first downstream is sent by the controller, the first sending module is further configured to:
  • the first downstream slave controller Transmitting the access location information of the user equipment to the first downstream slave controller, so that the first downstream slave controller is configured according to the access location information of the user equipment and the first downstream slave controller Locating and acquiring the location area information of the service in the one or more cache devices and the access location of the user equipment, where the identifier information of the cache-capable cache device and the location area information of the service are stored in the network. The identification information of the same cache device.
  • a sixth aspect of the present invention provides a content distribution apparatus, including:
  • a receiving module configured to receive a second query request sent by the first downstream main controller, where the second query request is used to request the first downstream slave controller to provide an identifier of a cache device that provides a cache service for the user equipment information
  • a processing module configured to determine, in the one or more cache devices in the network, a cache device that provides a cache service for the user device, and obtain identifier information of the cache device that provides a cache service for the user device;
  • a sending module configured to send the determined identifier information of the cache device that provides the cache service to the user equipment to the first downstream main controller.
  • the method includes:
  • the processing module queries and acquires the one according to the access location information of the user equipment, the identifier information of multiple cache devices having cache capability in the network that is stored in the network, and the location area information of the plurality of cache device services. Or the location information of the service of the plurality of cache devices is the same as the access location information of the user equipment, and the identifier information of the cache device that provides the cache service for the user equipment.
  • the processing module queries and acquires location area information and location information of the service of the one or more cache devices After the information about the access location information of the user equipment is the same as the identifier information of the cache device that provides the cache service for the user equipment, the sending module is further configured to:
  • the processing module queries and acquires the one or
  • the processing module is further configured to: before the location information of the service in the multiple cache devices is the same as the access location information of the user equipment, and the identifier information of the cache device that provides the cache service for the user equipment, the processing module is further configured to:
  • Registration information of one or more cache devices in the network where the registration information includes identifier information of the one or more cache devices and location area information of the service;
  • a seventh aspect of the present invention provides a content distribution apparatus, including: a memory and a processor, A memory is in communication with the processor, the memory is for storing computer program instructions, the processor is for invoking computer program instructions stored in the memory, and the method of the first aspect is performed.
  • An eighth aspect of the present invention provides a content distribution apparatus, including: a memory and a processor, wherein the memory is in communication with the processor, the memory is configured to store computer program instructions, and the processor is configured to call the memory to store Computer program instructions to perform the method of the second aspect.
  • a ninth aspect of the present invention provides a content distribution apparatus, including: a memory and a processor, wherein the memory is in communication with the processor, the memory is configured to store computer program instructions, and the processor is configured to call the memory to store Computer program instructions to perform the method of the third aspect.
  • the content distribution method and device provided by the embodiments of the present invention provide a cache and content distribution service for the user equipment by selecting a cache device, and on the other hand, reduce the processing load of the content server, thereby achieving the purpose of energy saving and emission reduction; on the other hand, saving
  • the network transmits bandwidth, reduces latency, and improves content distribution efficiency, thereby improving the user experience.
  • FIG. 1 is a schematic diagram of a prior art content distribution network architecture
  • FIG. 2 is a schematic structural diagram of a content distribution system according to the present invention.
  • FIG. 3 is a flow chart of an embodiment of a content distribution method according to the present invention.
  • FIG. 4 is a flowchart of another embodiment of a content distribution method provided by the present invention.
  • FIG. 5 is a flowchart of still another embodiment of a content distribution method provided by the present invention.
  • FIG. 6 is a flowchart of still another embodiment of a content distribution method provided by the present invention.
  • FIG. 7 is a schematic diagram of an embodiment of a content distribution apparatus according to the present invention.
  • FIG. 8 is a schematic diagram of another embodiment of a content distribution apparatus according to the present invention.
  • FIG. 9 is a schematic diagram of still another embodiment of a content distribution apparatus according to the present invention.
  • FIG. 10 is a schematic diagram of an embodiment of a content distribution entity device according to the present invention.
  • FIG. 11 is a schematic diagram of another embodiment of a content distribution entity device according to the present invention.
  • FIG. 12 is a schematic diagram of still another embodiment of a content distribution entity device according to the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the network includes: an upstream controller (UC), a downstream main controller (DMC), and a downstream downstream controller (DSC).
  • the network may include one or more upstream controllers, each upstream controller may be connected to multiple downstream main controllers, and each downstream main controller is connected to multiple downstream slave controllers.
  • the network service system also has a plurality of cache-capable devices connected to the downstream slave controller, and the cache device may be a cache-capable access network element, a gateway, or a packet data network gateway.
  • the user equipment can communicate directly with the upstream controller or downstream content distribution network.
  • the downstream slave controller, the downstream master controller, and the upstream controller may be independent network elements, or may be functional modules integrated in other network elements, for example: the downstream slave controller may be a gateway integrated in the mobile network.
  • the functional module in .
  • the various controllers involved above may be either a Software Defined Network (SDN) controller, a Content Delivery Network (CDN) controller, or a Domain Name System (Domain Name). System, DNS) controller, etc.
  • the interface between network elements can be either a message interface or an application programming interface (API).
  • API application programming interface
  • FIG. 3 is a flowchart of an embodiment of a content distribution method according to the present invention.
  • the content distribution method of the present invention relates to three device upstream controllers, a downstream main controller, and a downstream slave controller, specifically for:
  • the upstream controller is configured to select the first downstream primary controller according to the location information accessed by the UE, and receive the device identifier of the cache device that is used by the first downstream primary controller to provide a cache service for the user equipment, And sending the identification information of the cache device to the user equipment, so that the user equipment sends content request information to the cache device, and obtains content from the cache device.
  • the first downstream master controller acquires a first downstream slave controller of the service according to the location information accessed by the user equipment, and instructs the first downstream slave controller to select a cache device with a cache capability for the user equipment, and the first downstream master control
  • the device notifies the upstream controller of the identification information of the cache device.
  • the first downstream acquires the caching capability of each network element in the network service provider from the controller, and selects a caching device with caching capability according to the location information accessed by the user equipment, and selects the identification information of the caching device (eg, the device)
  • the address information or the device's Uniform Resource Locator (URL) information is notified to the first downstream primary controller.
  • the upstream controller receives content request information of the user equipment.
  • the content request information is sent to the upstream controller to obtain the required content.
  • the content request information may carry the identifier information of the content that the user equipment is to request, and the identifier information may be a URL, or may be a Uniform Resource Identifier (URI).
  • URI Uniform Resource Identifier
  • the upstream controller sends a first query request to the first downstream primary controller, where the first query request is used to request the first downstream primary controller to provide the identification information of the cache device that provides the cache service for the user equipment.
  • the upstream controller after receiving the content request information sent by the user equipment, the upstream controller sends a first query request to the first downstream main controller, where the first query request may include the user's access location information,
  • the first downstream main controller is requested to provide the identifier information of the cache device that provides the cache service for the user equipment, where the identifier information of the cache device is selected by the first downstream controller and returned to the first downstream main controller.
  • the upstream controller receives, by the first downstream main controller sent by the first downstream main controller, identifier information of the cache device that is sent by the first downstream slave controller.
  • the first downstream main controller returns the identification information of the cache device obtained by the first downstream control to the upstream controller, where the identifier information of the cache device may be the address information of the cache device, or may be The URL or URI or FQDN of the cache device.
  • the upstream controller sends the identifier information of the cache device to the user equipment, so that the user equipment sends the content request information to the cache device according to the identifier information of the cache device.
  • the upstream controller after receiving the identifier information of the cache device, sends the identifier information of the cache device to the user equipment, so that the user equipment sends the content request information to the cache device to obtain the user equipment from the device. Content.
  • the upstream controller sends the cached device identification information that is provided by the first downstream host controller to the user equipment to provide a cache service to the user equipment, so that the user equipment is redirected to the cache again.
  • the device sends the content request information to obtain the required content, and the content of the user device is directly provided by the cache device in the network, which reduces the processing load of the content server, shortens the transmission delay, and improves the content distribution efficiency.
  • the upstream controller before the upstream controller sends the first query request to the first downstream primary controller, the connected one or Determining a first downstream main controller among the plurality of downstream main controllers, specifically, the upstream controller acquires network service provider information of the user equipment, and identification information of each downstream main controller in the network (eg, a downstream main controller) Address information, or, FQDN (Fully Qualified Domain Name) of the downstream primary controller, etc.) and its network service provider NSP (Network Service Provider) information (eg, network service provider identity, PLMN (Public) Land Mobile Network, Public Land Mobile Network) ID).
  • NSP Network Service Provider
  • one possible way for the upstream controller to determine the first downstream main control is: the upstream controller according to the network service provider information of the access of the user equipment, and one of the networks stored by the upstream controller itself or Querying and obtaining the network service provider information of one or more downstream primary controllers and the network service provider information accessed by the user equipment by the identifier information of the plurality of downstream primary controllers and the network service provider information thereof
  • the identification information of the first downstream primary controller determines a first downstream primary controller according to the corresponding mapping relationship of the query.
  • the upstream controller sends a first query request to the first downstream primary controller corresponding to the identifier information.
  • the upstream controller sends the accessed network service provider information of the user equipment to the domain name server.
  • the domain name server or the application layer transmission optimization server provides network service access according to the access of the user equipment.
  • the identity information of the one or more downstream primary controllers in the network stored in the domain name server or the application layer transmission optimization server, and the network service provider information thereof query and acquire one or more Identification information of the first downstream primary controller in which the network service provider information of the downstream primary controller is the same as the network service provider information accessed by the user equipment, and the upstream controller receives the domain name server or the application layer transmission optimization server returns The identification information of the first downstream main controller; determining the first downstream main controller according to the returned identification information of the first downstream main controller. Then, the upstream controller sends a first query request to the first downstream primary controller corresponding to the identifier information.
  • the address information of the downstream primary controller and its associated network service provider information may be obtained by:
  • the upstream controller may acquire the downstream primary controller in the registration process of the downstream primary controller, specifically: the upstream controller receives registration information of each downstream primary controller in the network, and the registration information includes the downstream primary controller.
  • the user may pre-configure the identifier information of each downstream host controller in the network and the network service provider information to which the network belongs, in the upstream controller, the upstream control
  • the configuration information is saved in the device;
  • the upstream controller may configure the first downstream slave controller identifier and its service from an operator's Operation Support System (OSS) or a Business Support System (BSS).
  • OSS Operation Support System
  • BSS Business Support System
  • the area information obtains the identification information of each downstream primary controller in the network and the network service provider information to which it belongs.
  • the upstream controller obtains the network service provider information of the access of the user equipment, and the possible implementation manners are as follows:
  • the content request information includes the network service provider information accessed by the user equipment, and the upstream controller obtains the network service provider information accessed by the user equipment from the content request information of the user equipment; or
  • the upstream controller sends an access network service provider information query request to the user equipment, where the upstream controller receives the accessed network service provider information returned by the user equipment;
  • the upstream controller receives network service provider information accessed by the user equipment sent by the content server.
  • the upstream controller After determining the first downstream primary controller, the upstream controller sends a first query request to the first downstream primary controller to request identification information of the cache device that provides the cache service for the user equipment.
  • the first downstream host controller is determined by the upstream controller, and the identifier of the cache device that provides the cache service for the user equipment returned by the first downstream host controller is received.
  • the information is sent to the user equipment, so that the user equipment sends the content request information to the cache device again to obtain the required content, and the content of the user equipment is directly provided by the cache device in the network, and the content server is lowered. Handling load, shortening transmission delay, and improving content distribution efficiency.
  • FIG. 4 is a flowchart of another embodiment of a content distribution method according to the present invention.
  • the embodiment provides a specific process for the upstream controller, the downstream main controller, and the downstream slave controller to implement content distribution in the network, which specifically includes:
  • S401 is a process for the cache device to report the buffer capability notification
  • S402-S407 is a process for the upstream controller to determine the interaction of the first downstream slave controller and request the cache device
  • S408-S410 determine the first downstream for the first downstream master controller.
  • S411-S414 is a process of submitting the content of the user device and the cache device.
  • the cache device capable of buffering is sent to the downstream slave controller in the NSP.
  • the cache device of the cache capability may be an access network element, for example, a radio network controller (RNC), and a base station control. (Base Station Controller, BSC) or E-UTRAN NodeB (eNodeB), etc., may also be a gateway, for example, a Gateway GPRS Support Node (GGSN) or a Packet Data Network Gateway (Packet Data Network) Gateway, PDN GW), etc., can also be devices such as CDN.
  • RNC radio network controller
  • BSC Base Station Controller
  • eNodeB E-UTRAN NodeB
  • GGSN Gateway GPRS Support Node
  • PDN GW Packet Data Network Gateway
  • the cache capability advertisement is used to indicate that the cache device has the storage content and the content exchange capability.
  • the downstream slave controller is configured to have a cache capability and can perform content data interaction.
  • the first downstream host controller or the domain name server or the application layer transport optimization server obtains the identifier of the first downstream slave controller and the location area information of the service. Specifically include:
  • the first downstream slave controller sends registration information to the first downstream host controller or the domain name server/application layer transport optimization server, where the registration information includes the location information of the downstream slave controller identifier and its service;
  • the first downstream host controller or the domain name server/application layer transmission optimization server configures the location information of the first downstream slave controller identifier and its service location area;
  • the operator's Operation Support System (OSS) or The first downstream slave controller identifier and the location area information of the service are configured in the Business Support System (BSS), and the first downstream host controller or the domain name server/application layer transport optimization server obtains the first from the 0SS or the BSS. Location area information from downstream controller services.
  • BSS Business Support System
  • the location area served by the downstream slave controller includes a Routing Area (RA), a Location Area (LA), a Tracking Area (TA), or a Cell (Cell).
  • RA Routing Area
  • LA Location Area
  • TA Tracking Area
  • Cell Cell
  • the upstream controller or the domain name server or the application layer transmission optimization server obtains the first downstream primary controller identifier information and the NSP information, and the obtained methods are specifically:
  • the first downstream main controller is registered to the upstream controller or the domain name server or the application layer transmission optimization server, and the registration information includes the first downstream main controller identification information and the NSP information;
  • the first downstream host controller identifier and the NSP information are configured in the upstream controller or the domain name server or the application layer transport optimization server.
  • the first downstream host controller identifier and the NSP information are stored in the operator's 0SS or BSS, and the upstream controller or the domain name server or the application layer transport optimization server obtains the first downstream master controller identifier information and the NSP from the 0SS or the BSS. information.
  • the upstream controller receives content request information of the user equipment, where the request information carries identifier information (eg, a URL or a URI, etc.) of the content requested by the user equipment.
  • identifier information eg, a URL or a URI, etc.
  • the upstream controller obtains the first downstream primary controller identifier information of the service according to the NSP information of the user equipment (eg, the PLMN ID), and the obtaining method is as follows:
  • the upstream controller queries and obtains according to the network service provider information of the access of the user equipment, and the identifier information of one or more downstream primary controllers in the network stored by the upstream controller and the network service provider information thereof. Identification information of the first downstream primary controller in which the network service provider information of the one or more downstream primary controllers is the same as the network service provider information accessed by the user equipment;
  • the upstream controller sends the network service provider information of the user equipment access to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmits the network service provider according to the access of the user equipment in the optimization server.
  • Information and identity information of one or more downstream primary controllers in the network stored in the domain name server or application layer transport optimization server and their associated network service provider information query and acquire the network belonging to one or more downstream primary controllers
  • the identifier information of the first downstream primary controller that is the same as the network service provider information accessed by the user equipment, and the upstream controller receives the identifier information of the first downstream primary controller returned by the domain name server or the application layer transmission optimization server. .
  • the upstream controller sends a first query request to the first downstream host controller corresponding to the identifier information obtained by the foregoing, where the first query request is used to request the first downstream host controller to provide an identifier of the cache device that provides the cache service for the user equipment.
  • the upstream controller obtains the cache device identification information of the service provided by the first downstream main controller after obtaining the first downstream main controller identification information of the service according to the NSP information accessed by the user equipment.
  • the first query request may further include identification information of the content requested by the user equipment.
  • the first downstream main controller acquires the access location information of the user equipment; if the upstream controller acquires the user equipment access location information, sends the access location information of the user equipment to the first downstream main controller; The controller does not send the access location information of the user equipment to the first downstream main controller, and the first downstream main controller needs to obtain the access location information of the user equipment, for example, the first downstream main controller invokes the provided by the open platform.
  • the location API obtains access location information of the user equipment.
  • the first downstream primary controller determines a first downstream slave controller from the controller.
  • the first downstream master controller acquires the first downstream slave controller identifier information of the service according to the access location information of the user equipment.
  • the first downstream main controller queries according to the access location information of the user equipment, and the identifier information of one or more downstream slave controllers in the network stored by the first downstream host controller and the location area information of the service. Obtaining identification information of the first downstream slave controller of the location area information of the one or more downstream slave controllers and the access location information of the user equipment;
  • the first downstream primary controller sends the access location information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server obtains the location information according to the user equipment and the domain name server or
  • the application layer transmits the identification information of one or more downstream slave controllers in the network stored in the optimization server and the location area information of the service, and queries and acquires the location area information of one or more downstream slave controllers and the access of the user equipment.
  • the identifier information of the first downstream slave controller with the same location information the first downstream master controller receives the identifier information of the first downstream slave controller returned by the domain name server or the application layer transport optimization server.
  • the first downstream main controller sends a second query request to the first downstream slave controller, to request the first downstream slave controller to provide a cache service request content for storing the user equipment. And storing, by the first downstream main controller, a cache device address device identifier information that is provided by the first downstream slave controller, where the request includes the access location information of the user equipment, and may further include the identifier information of the content requested by the user equipment. .
  • the first downstream slave controller sends the determined identifier information of the cache device to the first downstream primary controller.
  • the first downstream slave controller selects a cache device to serve the user equipment according to the access location information of the user equipment. For example, the first downstream slave controller according to the access location information of the user equipment and the identifier information of the cache device having the cache capability and the location area information of the plurality of cache device services in the network stored by the first downstream slave controller itself And querying and obtaining the location information of the service of the one or more cache devices is the same as the access location information of the user equipment, and the identifier information of the cache device that provides the cache service for the user equipment.
  • the cache device may be selected according to the identifier information of the content requested by the user equipment, so that the content requested by the user equipment is cached in the selected cache device, so that the cache device can directly distribute the cached content to the user equipment, without The content provider obtains content, thereby saving network transmission bandwidth and reducing latency.
  • the first downstream slave controller sends a flow rule instruction to the determined cache device.
  • the first downstream sends a flow rule from the controller to the selected cache device, and indicates that the cache device receives the service request content of the user device. After the stream is done for caching and content exchange processing.
  • the user receives the identifier information of the cache device that provides the cache service for the user equipment, and the user equipment sends the content request information to the cache device, including the identifier information of the requested content, to obtain the user needs to obtain the cached device.
  • Content the identifier information of the cache device that provides the cache service for the user equipment
  • the user equipment sends the content request information to the selected cache device, where the request information includes the identifier information of the requested content.
  • This embodiment provides a content distribution method. Determining, by the upstream controller, the first downstream main controller, the first downstream main controller determines the first downstream slave controller according to the access location information of the user, and the first downstream slave controller selects the nearest one according to the access location information of the user equipment.
  • the cache device performs a content distribution service to save network transmission bandwidth, thereby reducing the processing load of the content server and improving the content distribution efficiency. Improve the user experience.
  • FIG. 5 is a flowchart of still another embodiment of a content distribution method provided by the present invention. The specific steps are as follows: S501: The first downstream main controller receives the first query request sent by the upstream controller, where the first query request is used to request the first downstream main controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the first query request may further include identifier information of the content requested by the user equipment.
  • the first downstream main controller may be an independent network element, or may be a functional module integrated in another network element, and configured to acquire a first downstream slave controller of the service according to the location information accessed by the user equipment, The first downstream slave controller is instructed to select a cache device with a cache capability for the user equipment, and the first downstream master controller notifies the upstream controller of the identifier information of the cache device.
  • the first downstream primary controller sends a second query request to the first downstream slave controller, where the second query request is used to request the first downstream slave controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the first downstream master After receiving the first query request, the first downstream master sends a second query request to the first downstream slave controller according to the first query request, where the first downstream slave controller is the first downstream master controller. Determining, according to the access location information of the user equipment, a downstream slave controller whose location area information in the one or more downstream slave controllers is the same as the user equipment access location information, and determining the downstream slave controller as the first downstream slave control Device.
  • the first downstream main controller receives the identifier information of the cache device that is sent by the first downstream slave controller and provides a cache service for the user equipment.
  • the first downstream slave controller queries and determines a cache device that provides a cache service for the user equipment according to the access location information of the user and the identifier information of the requested content according to the second query request according to the second query request information.
  • the identification information is returned to the first downstream main controller.
  • the first downstream primary controller sends the identifier information of the cache device to the upstream controller.
  • the first downstream main controller sends the identifier information of the received cache device to the upstream controller, so that the upstream controller sends a flow rule to the user device to send the content request information to the selected cache device to obtain the required content. .
  • the content distribution method provided in this embodiment simplifies the network device architecture by determining the most suitable first downstream slave controller in the plurality of downstream slave control, so that the content request of the user equipment is directly provided by the cache device in the network, and the transmission delay is shortened. Improve the efficiency of content distribution.
  • the content distribution method provided by the present invention is further In an embodiment, before the first downstream downstream primary controller determines the first downstream slave controller from the one or more downstream slave controllers, the first downstream master controller needs to obtain the identifier of one or more downstream slave controllers.
  • Information and location information of the service are as follows:
  • the first downstream main controller receives registration information of one or more downstream slave controllers in the network, and the registration information includes identification information of one or more downstream slave controllers in the network and location area information of the service; or
  • the first downstream main controller acquires identification information of one or more downstream slave controllers in the network stored by the first downstream main controller itself and location area information of the service; or
  • the first downstream main controller acquires identification information of one or more downstream slave controllers in the network and location area information of the service from the operation support system or the service support system.
  • the first downstream main controller receives the first query request from the upstream controller, and determines a first downstream slave controller from the connected plurality of downstream slave controllers according to the access information of the user equipment, where The access information of the user equipment is obtained as follows:
  • the first query request received from the first downstream main controller includes the access location information of the user equipment; or the first downstream slave controller invokes the location application interface provided by the open platform to obtain the access location information of the user equipment.
  • the method for determining the first downstream slave controller from the connected plurality of downstream slave controllers according to the access information of the user equipment is as follows:
  • the first downstream main controller is configured according to the access location information of the user equipment, and the identifier information of one or more downstream slave controllers in the network stored by the first downstream host controller and the location area information of the service. And querying and obtaining identification information of the first downstream slave controller of the location area information of the one or more downstream slave controllers and the access location information of the user equipment.
  • the first downstream main controller sends the access location information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server obtains the location information according to the user equipment.
  • the location information of the one or more downstream slave controllers in the network stored in the domain name server or the application layer transport optimization server and the location area information of the service, and query and obtain the location area information and the user of the one or more downstream slave controllers
  • the identifier information of the first downstream slave controller that has the same access location information of the device, and the first downstream master controller receives the identifier information of the first downstream slave controller returned by the domain name server or the application layer transport optimization server.
  • the first downstream host controller sends the access location information of the user equipment to the first downstream slave controller, to Querying and acquiring one or the first downstream slave controller according to the access location information of the user equipment and the identifier information of the cache device having the cache capability and the location area information of the service in the network stored by the first downstream slave controller itself
  • the identification information of the cache device of the location area information of the service in the plurality of cache devices is the same as the access location information of the user equipment.
  • the first downstream main controller determines the most suitable first downstream slave controller from the plurality of downstream slave controls according to the access location information of the user equipment, and sends the first downstream slave controller to the first downstream slave controller.
  • the controller sends a second query request, so that the first downstream slave controller queries and acquires the identifier information of the cache device that provides the cache service for the user equipment according to the access location information of the user equipment, and returns the identifier information of the cache device.
  • the upstream controller so that the upstream controller returns the identification information to the user equipment, instructing the user equipment to re-acquire content to the cache device.
  • Simplify the network device architecture so that the content request of the user equipment is directly provided by the cache device in the network, shortening the transmission delay and improving the content distribution efficiency.
  • FIG. 6 is a flowchart of still another embodiment of a content distribution method provided by the present invention, and the specific steps are as follows:
  • the first downstream slave controller receives a second query request sent by the first downstream master controller, where the second query request is used to request the first downstream slave controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the first downstream slave controller of the first downstream slave controller may be an independent network element, or may be a function module integrated in other network elements, for acquiring the cache capability of each network element in the network service provider. And selecting a cache device with a cache capability according to the location information accessed by the user equipment, and notifying the identifier information of the selected cache device to the first downstream host controller.
  • the second query request includes the location information of the user equipment access, and is used to request the first downstream slave controller to provide the identifier information of the cache device that provides the cache service for the user equipment, and the second query request may further include the identifier of the content requested by the user equipment. information.
  • the first downstream slave controller determines, in one or more cache devices in the network, a cache device that provides a cache service for the user equipment, and obtains identifier information of the cache device that provides the cache service for the user equipment.
  • the first downstream slave controller according to the access location information of the user equipment included in the received second query request and the cache with a cache capability in the network stored by the first downstream slave controller itself
  • the identification information of the device and the location area information of the one or more cache device services, and the location area information of the service of the one or more cache devices is the same as the access location information of the user equipment, and the cache of the cache service is provided for the user equipment. Identification information of the device.
  • the first downstream slave controller sends the determined identifier information of the cache device that provides the cache service for the user equipment to the first downstream host controller.
  • the first downstream slave controller After determining the cache device serving the user equipment, the first downstream slave controller returns the identifier information of the cache device to the first downstream host controller, and the first downstream master controller returns the identifier information of the cache device to the upstream controller.
  • the device returns to the user equipment through the upstream controller, and the user equipment re-sends the content request message to the cache device to establish a connection for content delivery.
  • This embodiment provides a content distribution method. Determining, by the first downstream controller, a cache device that provides a cache service for the user equipment, acquiring identifier information of the cache device that is closest to the access location of the user equipment, and returning the identifier information to the first downstream main controller, the first downstream The primary controller then returns the identification information of the cached device to the upstream controller, so that the upstream controller sends the flag information to the user equipment, and instructs the user equipment to send a content request message to the cache device for content delivery, saving the network. Transmit bandwidth, which reduces the processing load on the content server.
  • the first downstream slave controller is configured according to the access location information of the user equipment and the plurality of cacheable capabilities in the network.
  • the identification information of the cache device and the location area information of the service determine the first cache device among the plurality of cache devices.
  • the first downstream slave controller queries and obtains the location area information of the service in the one or more cache devices and the identifier information of the cache device that provides the cache service for the user equipment, Also includes:
  • the first downstream slave controller receives registration information of one or more cache devices in the network, and the registration information includes identification information of one or more cache devices and location area information of the service.
  • the first downstream acquires, from the controller, identification information of one or more cache devices in the network stored by itself and location area information of the service.
  • the first downstream slave controller determines, according to the access location information of the user equipment and the buffering capability of the cache device, a cache device that provides a cache service for the user device in each cache device, and the first downstream slave controller determines the The cache device sends a flow rule instruction, and the flow rule instruction is used to indicate that the content distribution request of the user equipment is performed. If the second query request in the step S601 includes the identifier information of the content requested by the user equipment, the first downstream slave controller further selects a cache device to serve the user equipment according to the identifier information of the content requested by the user equipment.
  • the cache device is selected according to the identifier information of the content requested by the user equipment, so that the content requested by the user equipment is cached in the selected cache device, so that the cache device can directly distribute the cached content to the user equipment without acquiring content from the content provider. , thereby saving network transmission bandwidth and reducing delay.
  • This embodiment provides a content distribution method. Determining, by the first downstream controller, a cache device that provides a cache service for the user equipment, acquiring identifier information of the cache device that is closest to the access location of the user equipment, and returning the identifier information to the first downstream main controller, the first downstream The primary controller then returns the identification information of the cached device to the upstream controller, so that the upstream controller sends the flag information to the user equipment, and instructs the user equipment to send a content request message to the cache device for content delivery, saving the network. Transmit bandwidth, which reduces the processing load on the content server.
  • FIG. 7 is a schematic diagram of an embodiment of a content distribution apparatus according to the present invention. As shown in FIG. 7, the content distribution apparatus in this embodiment includes:
  • the first receiving module 71 is configured to receive content request information of the user equipment.
  • the first sending module 72 is configured to send a first query request to the first downstream main controller, where the first query request is used to request the first downstream main controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the second receiving module 73 is configured to receive, by the first downstream main controller, the identifier information of the cache device that is sent by the first downstream slave controller from the first downstream slave controller.
  • the second sending module 74 is configured to send the identifier information of the cache device to the user equipment, and send, by the user equipment, the content request information to the cache device according to the identifier information of the cache device.
  • it also includes:
  • the processing module 75 is configured to obtain network service provider information of access of the user equipment; the processing module 75 is configured according to network service provider information of the access of the user equipment, and one or more downstream main controllers in the network that is stored by itself.
  • the first sending module 72 is specifically configured to: Sending a first query request to the first downstream primary controller corresponding to the identifier information;
  • the processing module 75 sends the network service provider information of the access of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmits the network service provider information according to the access of the user equipment in the optimization server and
  • the name server or the application layer transmits the identification information of one or more downstream primary controllers in the network stored in the optimization server and the network service provider information thereof, and queries and acquires the network service provider of one or more downstream primary controllers.
  • the processing module 75 receives the identifier information of the first downstream host controller that is the same as the network service provider information that is accessed by the user equipment, and the processing module 75 receives the identifier information of the first downstream host controller returned by the domain name server or the application layer transmission optimization server;
  • the first sending module 72 is specifically configured to:
  • the processing module 75 obtains the network service provider information of the access of the user equipment, and specifically includes:
  • the content request information includes the network service provider information accessed by the user equipment, and the processing module 75 obtains the network service provider information accessed by the user equipment from the content request information of the user equipment; or
  • the processing module 75 sends an access network service provider information query request to the user equipment, and the processing module receives the accessed network service provider information returned by the user equipment; or
  • the processing module 75 receives network service provider information accessed by the user equipment sent by the content server.
  • the processing module 75 queries and acquires one according to the network service provider information of the access of the user equipment, and the identifier information of one or more downstream primary controllers in the network that is stored in the network and the network service provider information that belongs to the network device. Or before the identifier information of the first downstream host controller in which the network service provider information of the plurality of downstream main controllers is the same as the network service provider information accessed by the user equipment, and is further used for:
  • Receiving registration information of one or more downstream primary controllers in the network where the registration information includes identification information of one or more downstream primary controllers in the network and information about the network service provider to which the network belongs; or, acquiring one of the networks stored by itself Or identification information of multiple downstream primary controllers and their associated network service provider information; or The identification information of one or more downstream primary controllers in the network and the network service provider information to which they belong are obtained from the operation support system or the service support system.
  • the content request information includes access location information of the user equipment
  • the first sending module 72 is further configured to:
  • the first downstream main controller Sending the access location information of the user equipment to the first downstream main controller, so that the first downstream main controller is connected according to the access location information of the user equipment and the first downstream main controller stored by the first downstream main controller itself Querying and obtaining the first downstream of the one or more downstream slave controllers and the location information of the services, and querying and acquiring the location area information of the one or more downstream slave controllers and the access location information of the user equipment
  • the identifier information of the slave controller is used by the first downstream master controller to send the second query request to the first downstream slave controller according to the identifier information of the first downstream slave controller, requesting the first downstream slave controller to select and send the user as the user
  • the device provides the identification information of the cache device of the cache service to the first downstream main controller.
  • the content distribution apparatus provided in this embodiment corresponds to the method embodiment provided in FIG. 3 and FIG. 4 of the present invention.
  • the method, the principle, and the technical effect of the content distribution apparatus can be referred to the method embodiment 1, and details are not described herein again.
  • FIG. 8 is a schematic diagram of another embodiment of a content distribution apparatus according to the present invention. As shown in FIG. 8, the content distribution apparatus in this embodiment includes:
  • the first receiving module 81 is configured to receive a first query request sent by the upstream controller, where the first query request is used to request the first downstream host controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the first sending module 82 is configured to send a second query request to the first downstream slave controller, where the second query request is used to request the first downstream slave controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the second receiving module 83 is configured to receive identifier information of the cache device sent by the first downstream slave controller.
  • the second sending module 84 is configured to send the identifier information of the cache device to the upstream controller.
  • it also includes:
  • the first query request received by the first receiving module includes the access location information of the user equipment; or By,
  • the processing module 85 is configured to invoke a location application interface provided by the open platform, and obtain access location information of the user equipment;
  • the processing module 85 queries and acquires one or more downstream slave controllers according to the access location information of the user equipment, and the identifier information of one or more downstream slave controllers in the network that is stored in the network and the location area information of the service.
  • the first sending module 82 is specifically configured to:
  • it also includes:
  • the first query request received by the first receiving module 81 includes the access location information of the user equipment; or
  • the processing module 85 calls the location application interface provided by the open platform to obtain the access location information of the user equipment;
  • the processing module 85 sends the access location information of the user equipment to the domain name server or the application layer transmission optimization server, so that the domain name server or the application layer transmission optimization server optimizes the access location information according to the user equipment and the domain name server or the application layer transmission. Querying and obtaining the location area information of one or more downstream slave controllers and the access location information of the user equipment, the identifier information of one or more downstream slave controllers in the network stored in the server and the location area information of the services thereof And identifier information of the first downstream slave controller, and receiving identifier information of the first downstream slave controller returned by the domain name server or the application layer transmission optimization server;
  • the first sending module 82 is specifically configured to:
  • the processing module 85 queries and obtains according to the access location information of the user equipment, and the identifier information of one or more downstream slave controllers in the network stored in the first downstream host controller and the location area information of the service. Before the location information of the one or more downstream slave controllers is the same as the identifier information of the first downstream slave controller of the user equipment, the information is further used for:
  • Registration information of one or more downstream slave controllers in the network where the registration information includes identification information of one or more downstream slave controllers in the network and location area information of the service; or acquiring the first downstream master controller itself The label of one or more downstream slave controllers in the stored network Information about the location of the information and its services; or,
  • the identification information of one or more downstream slave controllers in the network and the location area information of the service are obtained from the operation support system or the service support system.
  • the first sending module 82 is further configured to:
  • the identification information of the cache device and the location area information of the service and query and obtain the identification information of the cache device of the location area information of the service in the one or more cache devices and the access location information of the user equipment.
  • the content distribution apparatus provided in this embodiment corresponds to the method embodiment provided in FIG. 4 and FIG. 5 of the present invention.
  • the principle, and the technical effect of the content distribution apparatus refer to the second embodiment of the method, and details are not described herein again.
  • FIG. 9 is a schematic diagram of still another embodiment of a content distribution apparatus according to the present invention. As shown in FIG. 9, the content distribution apparatus in this embodiment includes:
  • the receiving module 91 is configured to receive a second query request sent by the first downstream main controller, where the second query request is used to request the first downstream slave controller to provide the identifier information of the cache device that provides the cache service for the user equipment.
  • the processing module 92 is configured to determine, in one or more cache devices in the network, a cache device that provides a cache service for the user equipment, and obtain identifier information of the cache device that provides the cache service for the user equipment.
  • the sending module 93 is configured to send the determined identification information of the cache device that provides the cache service to the user equipment to the first downstream main controller.
  • the receiving module 91 receives the access location information of the user equipment sent by the first downstream main controller; the processing module 92 according to the access location information of the user equipment and the identifier information of the cache device with multiple caching capabilities in the network stored by the processing module
  • the location area information of the cache device service, and the location information of the location information of the service of the one or more cache devices is the same as the access location information of the user equipment, and the identifier information of the cache device that provides the cache service for the user equipment.
  • the processing module 92 queries and obtains the same location area information of the service of the one or more cache devices, and the cache device that provides the cache service for the user equipment, which is the same as the access location information of the user equipment.
  • the sending module is also used to:
  • the flow rule instruction is sent to the cache device that provides the cache service for the user equipment, and the flow rule instruction is used to execute the content distribution request of the user equipment for the cache device indicating that the user equipment is provided with the cache service.
  • the processing module 92 queries and obtains the location information of the service in the one or more cache devices, and the same as the access location information of the user equipment, before the identifier information of the cache device that provides the cache service for the user equipment, the processing module 92 Also used for:
  • Registration information of one or more cache devices in the network where the registration information includes identifier information of one or more cache devices and location area information of the service;
  • the content distribution apparatus provided in this embodiment corresponds to the method embodiment provided in FIG. 4 and FIG. 6 of the present invention.
  • the principle, and the technical effect of the content distribution apparatus refer to the third embodiment of the method, and details are not described herein again.
  • FIG. 10 is a schematic diagram of an embodiment of a content distribution entity device according to the present invention. As shown in FIG. 10, the content distribution entity device in this embodiment includes:
  • the memory 101 and the processor 102 the memory 101 is in communication with the processor 102, the memory 101 is for storing computer program instructions, and the processor 102 is for calling the computer program instructions stored in the memory 101 to execute the content distribution method as shown in FIG.
  • the content distribution entity device provided in this embodiment corresponds to the method embodiment provided in FIG. 4 of the present invention.
  • the method, the principle, and the technical effect of the content distribution device can be referred to the method embodiment, and details are not described herein again.
  • FIG. 11 is a schematic diagram of another embodiment of a content distribution entity device according to the present invention. As shown in FIG. 11, the content distribution entity device in this embodiment includes:
  • the memory 111 and the processor 112 the memory 111 is in communication with the processor 112, the memory 111 is for storing computer program instructions, and the processor 112 is for calling the computer program instructions stored in the memory 111 to execute the content distribution method as shown in FIG.
  • the content distribution entity device provided in this embodiment corresponds to the method embodiment provided in FIG. 5 of the present invention.
  • the method, the principle, and the technical effect of the content distribution device can be referred to the method embodiment, and details are not described herein again.
  • FIG. 12 is a schematic diagram of still another embodiment of a content distribution entity device according to the present invention, as shown in FIG.
  • the content distribution entity device in the embodiment includes:
  • the memory 121 and the processor 122 the memory 121 is in communication with the processor 122, the memory 121 is used to store computer program instructions, and the processor 122 is configured to call the computer program instructions stored in the memory 121 to execute the content distribution method as shown in FIG.
  • the content distribution apparatus provided in this embodiment corresponds to the method embodiment provided in FIG. 6 of the present invention.
  • the method, the principle, and the technical effect of the content distribution apparatus can be referred to the method embodiment, and details are not described herein again.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de distribution de contenu dans lesquels un contrôleur amont : reçoit des informations de demande de contenu d'un équipement d'utilisateur ; envoie une première requête d'interrogation à un premier contrôleur maître aval, la première requête d'interrogation étant utilisée pour demander au premier contrôleur maître aval de fournir des informations d'identification relatives à un dispositif cache qui fournit un service cache à l'équipement d'utilisateur ; reçoit les informations d'identification relatives au dispositif cache, qui sont reçues par le premier contrôleur maître aval d'un premier contrôleur asservi aval et envoyées par le premier contrôleur maître aval ; et envoie les informations d'identification relatives au dispositif cache à l'équipement d'utilisateur, de sorte que l'équipement d'utilisateur envoie les informations de demande de contenu au dispositif cache d'après les informations d'identification relatives au dispositif cache. La sélection d'un dispositif cache proche fournissant un service cache à un utilisateur diminue le retard de transmission, et améliore l'efficacité de distribution d'un contenu ainsi que la qualité de service.
PCT/CN2013/091181 2013-12-31 2013-12-31 Procédé et dispositif de distribution de contenu WO2015100647A1 (fr)

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