WO2023246488A1 - Procédé et appareil de fourniture de contenu - Google Patents

Procédé et appareil de fourniture de contenu Download PDF

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Publication number
WO2023246488A1
WO2023246488A1 PCT/CN2023/098323 CN2023098323W WO2023246488A1 WO 2023246488 A1 WO2023246488 A1 WO 2023246488A1 CN 2023098323 W CN2023098323 W CN 2023098323W WO 2023246488 A1 WO2023246488 A1 WO 2023246488A1
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WIPO (PCT)
Prior art keywords
content
ont
acquisition method
target
cdn node
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PCT/CN2023/098323
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English (en)
Chinese (zh)
Inventor
袁林
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华为云计算技术有限公司
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Publication of WO2023246488A1 publication Critical patent/WO2023246488A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing

Definitions

  • This application relates to the fields of information technology (IT) and communication technology, and in particular to content providing methods and devices.
  • CDN Content delivery network
  • CDN nodes By placing node servers throughout the network to form a layer of intelligent virtual network based on the existing Internet, the CDN system can real-time analyze the network traffic and the connection and load conditions of each node, as well as the distance to the user and response time. And other comprehensive information redirects the user's request to the CDN node closest to the user, improving the data transmission rate.
  • CDN nodes are generally located in computer rooms, and users will pay high broadband costs when downloading content through CDN nodes.
  • the embodiments of the present application provide content providing methods and devices. By using the embodiments of the present application to provide content, the required traffic overhead is small, the transmission delay is small, and the transmission efficiency is high.
  • embodiments of the present application provide a content providing method, including:
  • the acquisition method of the content is the acquisition method from the CDN node or the acquisition method from other network nodes;
  • obtaining from other network nodes refers to obtaining from network nodes other than CDN nodes.
  • These network nodes usually have the ability to cache content or return content, and can return content to users.
  • the above implementation may be implemented by a CDN node.
  • the CDN node may include multiple nodes, and the CDN node that implements the above content providing method and the target CDN node that returns the content may or may not be the same node.
  • the content attribute includes an identifier of the content, and the identifier of the content is used to determine the service type of the content.
  • the content access policy includes the following policy: if the service type corresponding to the content belongs to the first type, the content is obtained from a CDN node.
  • the first type of service includes the first segment of the video.
  • the terminal device when a user uses a terminal device to view a video, the terminal device usually has a caching mechanism for pre-downloading the video. Therefore, when the user views a certain segment of a certain video, the client can pre-load the subsequent segments of the video to improve usage. experience.
  • the pre-download method is not suitable for the first segment of the video. First, the terminal does not know which video the user is about to select to view, so it cannot be pre-cached; secondly, if the terminal caches every video that may be clicked, Preloading will cause network bandwidth congestion and waste of storage space.
  • the first type of service is user-defined.
  • users have different sensitivities to different types of services. Therefore, users can define the types of services they need to obtain through CDN according to their own needs.
  • the content access policy includes:
  • the acquisition method of the content is the acquisition method from the ONT.
  • mapping these contents to the acquisition method obtained from the ONT will neither It affects user experience and also reduces bandwidth costs.
  • the second type of content is obtained from the ONT.
  • the second type is preset, or is provided by the management device of the CDN network, or the second type of service is user-defined. This setting can improve flexibility and accuracy in determining how to obtain content.
  • the content request address can be included in the request header of the get request.
  • the acquisition method can be obtained from the CDN.
  • the URL is usually represented by a multi-segment string.
  • the content is obtained through a CDN.
  • the URL of the content contains the second string, the content is obtained through the ONT. This setting allows precise control over how content is obtained and improves user experience.
  • the target provider may be a provider of a public benefit nature or with special functions.
  • a fire protection agency provides users with safety protection videos.
  • the fire protection agency is set as the target provider.
  • users obtain the safety protection videos they can quickly obtain them, which improves the user experience and is beneficial to users in learning knowledge. .
  • the content providing device is used to receive the acquisition request
  • the target CDN node is used to return the content to the terminal device.
  • the terminal device is further configured to request the content from the target ONT;
  • the acquisition method of the content is the acquisition method from the ONT.
  • the content access policy includes:
  • the content attribute is a request address of the content; the content providing device is further configured to determine a method of obtaining the content based on the request address of the content.
  • the provider of the content is a target provider or a provider of a target service
  • the content is obtained from a CDN node.
  • the target CDN node is used to implement the method described in any one of the first aspects, or to implement part of the operations of the above method.
  • the communication unit is configured to receive an acquisition request for content sent by a terminal device, where the acquisition request includes a content attribute of the content;
  • the processing unit is configured to determine the acquirer of the content according to the content access policy corresponding to the content attribute.
  • the acquisition method of the content is the acquisition method from the content distribution network CDN node or the acquisition method from the optical network terminal ONT;
  • the communication unit is also configured to instruct the target CDN node to return the content to the terminal device if the content is obtained from a CDN node.
  • the acquisition method of the content is the acquisition method from the ONT, instruct the terminal device to redirect to the target ONT to obtain the content.
  • the content attribute is a service type of the content or an identifier of the content, and the identifier of the content is used to determine the service type of the content;
  • the content access policy includes the following policy: if the service type corresponding to the content belongs to the first type, the content is obtained from a CDN node.
  • the acquisition method of the content is the acquisition method from the ONT;
  • the acquisition method of the content is the acquisition method from the ONT.
  • the content attribute is a request address of the content; the processing unit is further configured to determine a method of obtaining the content based on the request address of the content.
  • the provider of the content is a target provider or a provider of a target service
  • the content is obtained from a CDN node.
  • the communication unit is also used to:
  • the communication unit is also used to:
  • the content providing device instructs the target CDN node to return the content to the terminal device.
  • the computing device further includes a communication interface, the communication interface is used to receive and/or send data, and/or the communication interface is used to provide input and/or output to the processor.
  • the above embodiments are explained by taking a processor (or a general-purpose processor) specified by calling a computer to execute a method as an example.
  • the processor may also be a dedicated processor, in which case the computer instructions have been preloaded in the processor.
  • the processor may also include both a dedicated processor and a general-purpose processor.
  • the processor and the memory may be integrated into one device, that is, the processor and the memory may be integrated together.
  • embodiments of the present application further provide a computing device cluster, the computing device cluster includes at least one computing device, and each computing device includes a processor and a memory;
  • the processor of the at least one computing device is configured to execute instructions stored in the memory of the at least one computing device, so that the cluster of computing devices executes the method described in any one of the first aspects.
  • the present application provides a computer program product.
  • the computer program product includes computer instructions. When the instructions are run by a computing device (or a cluster of computing devices), the computing device (or a cluster of computing devices) causes the computing device (or a cluster of computing devices) to implement the foregoing.
  • the computer program product can be a software installation package or image file. If the foregoing method needs to be used, the computer program product can be obtained and executed on the computing device.
  • Figure 1 is a schematic diagram of a distributed content distribution network
  • Figure 2 is an architectural schematic diagram of a content providing system provided by an embodiment of the present application.
  • Figure 3 is a schematic flowchart of a content providing method provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of yet another content providing method provided by an embodiment of the present application.
  • Figure 5 is a schematic structural diagram of a content providing device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a computing device provided by an embodiment of the present application.
  • CDN Content Delivery Network
  • CDN distributes the content of the origin site to nodes that are physically close to the user, so that the user can obtain the required content nearby, solving the congestion of the Internet network, and improving the response speed and success rate of user access.
  • Client 1051 in Region 1 sends a domain name access request for the source site node domain name (optionally including the content to be accessed requested by the user).
  • the domain name access request reaches the public network domain name system (domain name system, DNS) server, and the public network DNS server Obtain the public IP addresses of multiple regional edge cache nodes 1041-1045 corresponding to the domain name.
  • DNS domain name system
  • the edge cache node 1041 queries whether the content to be accessed is cached locally. If so, it is directly returned to the client 1051. If not, the upper level cache node (center cache node 1021) requests the content to be accessed (sends a back-to-origin request). The central cache node 1021 queries whether the content to be accessed is cached locally. If so, it is directly returned to the edge cache node 1041. If not, the content to be accessed is requested from the upper-level origin node 101.
  • edge cache node 1041 caches content to be accessed, it can be returned to the client 1051 nearby, thereby increasing the speed at which the client 1051 accesses the content to be accessed.
  • xDSL is the collective name for various types of digital subscriber lines (DSL), including asymmetric digital subscriber line (ADSL), rate adaptive digital subscriber line (rate adaptive digital subscriber line, RADSL), very high-bit-rate digital subscriber line (VDSL), symmetrical digital subscriber line (SDSL), integrated services digital network (Integrated digital subscriber line, IDSL) and High-speed Digital Subscriber Line (HDSL), etc.
  • DSL digital subscriber line
  • ADSL asymmetric digital subscriber line
  • rate adaptive digital subscriber line rate adaptive digital subscriber line
  • VDSL very high-bit-rate digital subscriber line
  • SDSL symmetrical digital subscriber line
  • IDSL integrated services digital network
  • HDSL High-speed Digital Subscriber Line
  • network nodes are only examples, and other nodes with content caching capabilities may also be included in the specific implementation process.
  • 302 is a status code that indicates that the requested resource exists but is not at the currently accessed location.
  • 302 scheduling refers to scheduling based on the 302 status code.
  • the user's request for content reaches the scheduling module (or other scheduling nodes, scheduling servers, etc.) in the CDN network, and the scheduling module (or other scheduling nodes, scheduling servers, etc.) passes the 302 method, feedback to the user the address (such as IP address, etc.) where the content can be obtained.
  • the terminal can send a content access request to the address again, thereby obtaining the content at the node corresponding to the address.
  • embodiments of the present application provide a content providing method and device.
  • the required traffic overhead is small, the transmission delay is small, and the transmission efficiency is high.
  • the system architecture of the embodiment of the present application is exemplarily described below. It should be noted that the system architecture described in this application is for the purpose of explaining the technical solutions of this application more clearly and does not constitute a limitation on the technical solutions provided by this application. Those of ordinary skill in the art will know that with the evolution of system architecture and With the emergence of new business scenarios, the technical solutions provided in this application are also applicable to similar technical problems.
  • network nodes other than CDN nodes that can return content are introduced by taking ONT as an example.
  • This application is also applicable to other types of network nodes.
  • the content providing system may include several nodes capable of returning content, such as one or more of ONTs, routers, xDSL modems, etc.
  • the content providing device 201 is a device with computing capabilities and communication capabilities, and can communicate with one or more devices among the terminal device, the CDN node 203, and the ONT 204.
  • the content providing device 201 can be integrated in a CDN node (such as CDN node 203, or CDN access gateway, etc.), or the content providing device 201 can serve as a node in the CDN network (such as a scheduling node, CDN access gateway, etc.) gateway, etc.), or the content providing device can be integrated in the DNS server.
  • a terminal device also called User Equipment (UE) in some embodiments, is a device with communication capabilities that can initiate requests for content.
  • the terminal device can interact with the user, such as presenting a user interface, or receiving user input operations, etc.
  • terminal devices include, but are not limited to, handheld terminals, wearable devices, entertainment devices, transportation devices, etc.
  • handheld devices such as mobile phones, tablets, laptops, or police communications, etc.
  • Wearable devices such as smart bracelets, smart watches, or smart glasses.
  • Transportation equipment such as vehicles, ships, aircraft, rail transit (such as subways, high-speed rails, etc.), or logistics robots, etc.
  • Leisure and entertainment equipment such as virtual reality (VR) equipment, mixed reality (MR) equipment, massage chairs, or 4D theater cockpits, etc.
  • VR virtual reality
  • MR mixed reality
  • the CDN node 203 is a node in the CDN network and can return content to the terminal device. Generally speaking, CDN nodes have storage space and communication capabilities. Storage space users cache content, and communication capabilities allow CDN nodes to provide content to terminal devices.
  • the CDN node 203 includes but is not limited to a CDN access node, an edge cache node shown in Figure 1, etc.
  • the link of the communication connection may include one or more types of connection media, including wired links (such as optical fibers), wireless links or wired links. Links and combinations of wireless links, etc.
  • the connection medium can be a wireless link that uses short-range connection technology, such as 802.11b/g technology, Bluetooth (Blue Tooth) technology, Zigbee technology, and Radio Frequency Identification (RFID) technology, ultra-wideband (UWB) technology, wireless short-range communication (such as vehicle-mounted wireless short-range communication) technology or vehicle to everything (V2X, vehicle-to-everything information exchange) technology, etc.
  • short-range connection technology such as 802.11b/g technology, Bluetooth (Blue Tooth) technology, Zigbee technology, and Radio Frequency Identification (RFID) technology, ultra-wideband (UWB) technology, wireless short-range communication (such as vehicle-mounted wireless short-range communication) technology or vehicle to everything (V2X, vehicle-to-everything information exchange) technology, etc.
  • the wireless link uses long-distance connection technology, such as Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Universal Mobile Telecommunications System (Universal Mobile Telecommunications System) , UMTS), LTE, or 5G and other wireless access type technologies.
  • GSM Global System for Mobile communications
  • GPRS General Packet Radio Service
  • Universal Mobile Telecommunications System Universal Mobile Telecommunications System
  • UMTS Universal Mobile Telecommunications System
  • LTE Long-distance connection technology
  • the acquisition method of the ONT node can be matched. In this way, even if the content exists on the target CDN node, it can be provided through the ONT node to control bandwidth costs.
  • user U2 requests content B through terminal device 2022.
  • Content B is obtained from an ONT.
  • the content providing device can feed back the instruction information of ONT 204 to terminal device 2022.
  • the terminal device 2022 may request content B from the ONT, and the ONT returns content B to the terminal device 2022. Since the ONT is usually idle and the bandwidth cost is low, the transmission cost can be reduced by returning content B through the ONT.
  • embodiments of the present application can utilize idle network nodes (such as ONTs, routers, etc.) in home networks, office networks, etc., and integrate the computing resources, storage resources, bandwidth resources, etc. provided by them to provide content distribution services. In this way, network traffic can be optimized and the utilization of network nodes can be improved.
  • idle network nodes such as ONTs, routers, etc.
  • Figure 3 is a schematic flowchart of a content providing method provided by an embodiment of the present application.
  • this method can be applied to a system including a terminal device, a content providing device, a target CDN, and a target ONT (optional), such as the content providing system shown in Figure 2.
  • the content providing method as shown in FIG. 3 may include a plurality of steps S301 to S307. It should be understood that this application describes the sequence of steps S301 to S307 for convenience of description, and is not intended to limit execution to the above sequence. The embodiments of the present application do not limit the execution sequence, execution time, number of executions, etc. of one or more of the above steps.
  • the details of steps S301 to S307 are as follows:
  • Step S301 The terminal device sends an acquisition request for content.
  • the content providing device obtains the content acquisition request sent by the terminal device.
  • the content acquisition request includes the content attribute of the content.
  • the content attributes of the content include one or more of the content's identity (identification, ID), request address, uniform resource locator (uniform resource locator, URL), type, service quality requirements, content provider identification, user information, etc. item.
  • the acquisition request may be sent directly by the terminal device to the content providing device, or may be dispatched by other devices to reach the content providing device.
  • This application does not limit the manner in which the content providing device obtains the access request.
  • the acquisition request may first arrive at a DNS server, and the DNS server may dispatch (or redirect) it to the content providing device.
  • the acquisition request first reaches the CDN access gateway, and the CDN access gateway allocates the access request to the content providing device.
  • Step S302 The content providing device determines the content acquisition method according to the content access policy corresponding to the content attribute.
  • the access policy describes the corresponding relationship between content attributes and content acquisition methods, and can be used to determine which acquisition method is used to obtain a certain content.
  • Design 1 The method of obtaining content is related to the business type of the content.
  • the business type can be predefined, preset, or follow a certain standard.
  • the service type includes but is not limited to one of video services, audio services, live broadcast services, file download services, web page services (for example: ticket purchase services, shopping services, news services, or book reading services, etc.), etc. Or multiple items.
  • the access policy may include: if the service type corresponding to the content belongs to the first type, the content is obtained from a CDN node. That is, for the first type of service, it is obtained from the CDN node.
  • the first type may be preset, or provided by the CDN network, or customized by the user. Taking the first type of user-defined business as an example, if a certain part of the CDN network serves financial practitioners, the user can determine the acquisition method of financial-related services as the acquisition method from the CDN.
  • Table 1 shows the classification of several service types. It can be seen that the first type of service may include video service, audio service, live broadcast service, ticket purchase service, or shopping service, etc.
  • the acquisition method is the acquisition method from CDN. Since these services are sensitive to latency, obtaining them from CDN nodes can significantly improve the service quality of the content providing network.
  • Table 1 is an exemplary service classification for the convenience of understanding the first service, and is not limited to this application.
  • the first type may contain more or fewer service types, or the names of the service types may be replaced.
  • the first type of service includes the first segment of the video.
  • the first segment of the video is the first segment of the video.
  • it can be mapped to the acquisition method obtained from the CDN.
  • the target CDN node will provide the content of the first segment of the video, reducing latency and improving transmission efficiency, improving user experience and increasing the stickiness of CDN video customers.
  • the access policy may include: if the service type of the content belongs to the second type, the acquisition method of the content is the acquisition method from the ONT.
  • the corresponding acquisition method for the second type of content is to obtain it from the ONT.
  • This setting can divert the acquisition of content and control the cost of content provision.
  • mapping these contents to the acquisition method obtained from the ONT will neither It affects user experience and also reduces bandwidth costs.
  • the acquisition method of content A is from the CDN node; the business type of content B belongs to the second type, then the content B
  • the acquisition method is the acquisition method from the ONT.
  • the second type is preset, or is provided by the management device of the CDN network, or the second type of service is user-defined.
  • the second type of business includes book reading business, file downloading business, etc.
  • the content access policy includes:
  • the acquisition method of the content is the acquisition method from the ONT.
  • the acquisition method of almost all content can be determined based on the business type, which can reduce the complexity of determining the acquisition method and improve the efficiency of determining the acquisition method.
  • the content providing device may first determine the service type of the content.
  • the business type of the content can also be directly included in the attributes of the content.
  • the business type of the content can be determined by the attributes of the content.
  • the attributes used to determine the service type of the content may include one or more of the identification of the content, the access address of the content, the service quality requirements of the content, and the like.
  • the attribute of the content includes the identifier of the content
  • the content providing device can determine the service type according to the identifier of the content.
  • Table 2 shows the service type corresponding to the user's identity in an example of this embodiment of the present application.
  • the service providing device can determine that the content belongs to the video service according to the identifier of the content, thereby determining that the service type corresponding to the content is the first type.
  • the content is obtained from CDN.
  • the service providing device can determine that the content belongs to the book reading service according to the content identifier, thereby determining that the service type corresponding to the content is the second type. Based on the content access policy of Design 1, the content is obtained from the ONT.
  • the business type corresponding to the business can also be represented by a corresponding relationship set, a database table, etc.
  • Table 2 is an exemplary service classification for the convenience of understanding the first service, and is not intended to limit the embodiments of the present application.
  • the content may contain more or fewer business types, or the names of the business types, identification of the content, etc. may be replaced.
  • the identifier of the content can directly correspond to the type of the service type. That is, it can be determined according to the identifier of the content whether the service type of the content belongs to the first type. At this time, the content service device can determine that the content corresponds to the first type according to the identifier "C001" of the content, and then the acquisition method of the content is the acquisition method from the CDN.
  • the content access policy may include: the service providing device determines how to obtain the content based on the request address of the content.
  • the request address can be represented by a URL.
  • the service providing device performs regular expression matching on the URL corresponding to the content to determine how to obtain the content. This setting allows precise control over how content is obtained and improves user experience.
  • the URL is usually represented by a multi-segment string.
  • the URL corresponding to the content contains the first string
  • the content is obtained through a CDN.
  • the URL of the content contains the second string
  • the content is obtained through the ONT.
  • Design 3 The method of obtaining content is related to the provider of the content.
  • the access policy may include: if the provider of the content is the target provider, the acquisition method of the content is from a CDN node.
  • the target provider may be a provider that subscribes to additional services.
  • the target provider can be a certain type of provider.
  • the user or the CDN management device can predefine which providers belong to the target provider.
  • the target provider may be a provider that has subscribed to additional services. These additional services are usually provided to the target provider after purchasing or reaching some kind of cooperation. This setting is equivalent to paying the high bandwidth cost of CDN through the provider's purchase of services. At this time, when users access the content provided by these providers, they can obtain it from the CDN node, which improves the user experience of obtaining content.
  • the target provider may be a provider with a public welfare nature or with special functions.
  • a fire protection agency provides users with safety protection videos.
  • the fire protection agency is set as the target provider.
  • users obtain the safety protection videos they can quickly obtain them, which improves the user experience and is beneficial to users in learning knowledge. .
  • the access policy may include: if the provider of the content is a provider of the target service, the acquisition method of the content is from a CDN node.
  • the content can be obtained from a CDN.
  • Step S303 If the content is obtained from a CDN node, the content providing device instructs the target CDN node to return the content to the terminal device.
  • the target CDN node is not the optimal CDN node for returning content to the terminal, and redirection may be triggered in this case. That is, the content may be provided to the terminal device by another CDN node.
  • the content providing device queries and obtains ONTs with available content, and the aforementioned target ONT belongs to the available ONTs.
  • the embodiments of the present application can flexibly determine the content acquisition method, and provide the content with low traffic overhead, small transmission delay, and high transmission efficiency.
  • step S410 to step S412 are as follows:
  • Step S401 User Equipment (UE) requests content.
  • UE User Equipment
  • the CDN node can receive the request from the UE.
  • Step S402 The CDN node access gateway queries the content access policy.
  • the CDN node access gateway can be a module in the CDN node and can receive requests from the UE.
  • the content access policy is provided by the CDN node content scheduling module.
  • the CDN node access gateway queries the content access policy from the CDN node content scheduling module.
  • the CDN access gateway can obtain all content access policies.
  • the CDN node access gateway can also query only part of the content access policy. For example, the CDN node access gateway can only query the access policy corresponding to the content attribute.
  • the CDN node access gateway has obtained some or all of the content access policies.
  • the CDN node access gateway may also perform step S204, but determine the content acquisition method based on the acquired content access policy.
  • Step S403 The CDN node content scheduling module returns the content access policy to the CDN node access gateway.
  • the CDN node access gateway receives the content return policy.
  • the CDN node content scheduling module is a module in the CDN node, used to manage and maintain content access policies, and can provide content access policies to other devices.
  • the content scheduling policy can be defined by turning on/off a certain content acquisition method. Two possible implementations are listed below:
  • Implementation method 1 Users (operation and maintenance personnel, administrators or CDN network users, etc.) can enable (or disable) ONT acceleration based on domain names (that is, the acquisition method obtained from ONT). For example, if ONT acceleration is enabled for domain name A, then when the user device accesses the content provided by the domain name, the content can be obtained from the ONT.
  • Implementation method 2 Based on the first fragment of the video, ONT acceleration can be turned off by default. At this time, the first fragment of the video can be obtained from a CDN. At this time, when the user device requests content of the first segment type of the video, the content is provided by the CDN node, allowing the user device to quickly open the video and improving the user experience.
  • Step S404 If the content is obtained from a CDN, the CDN node access gateway queries the CDN node cache.
  • the content acquisition method is related to the content attribute and content access policy of the content.
  • the content attribute and content access policy of the content please refer to the above.
  • Step S406 If the content is obtained from an ONT, the CDN node accesses the gateway to query the available ONT.
  • ONT scheduling is scheduled by the ONT resource scheduling brain.
  • the CDN node access gateway queries the available ONTs from the ONT resource scheduling brain.
  • the ONT resource scheduling brain receives the query request from the CDN access gateway.
  • Step S407 The ONT resource scheduling brain returns the query results.
  • the ONT resource scheduling brain determines available ONTs from multiple ONTs based on the content index and generates query results.
  • the query result may include one or more of the following contents: whether there are available ONTs, indication information of available ONTs, or the priority of available ONTs, etc.
  • the ONT resource scheduling brain can obtain the content stored on multiple ONTs.
  • Table 3 shows a schematic table of contents stored on the ONT. It contains one or more of the ONT's identification, ONT's IP address, stored content index, etc. It can be seen that the ONT identified as "D001” stores content identified as the following: “C001, "C002”, “C003", “C004", etc.
  • the ONT resource scheduling brain determines the available ONTs based on the content index. For example, if the CDN access gateway queries the available gateways for content "C001", the ONT resource scheduling brain can return the indication information of ONT "D001", such as the identification, IP address, or MAC address of ONT "D001".
  • available ONTs include ONT "D001” and ONT "D002".
  • the query result may include information indicating ONT "D001” and ONT "D002”.
  • query results It can contain the instruction information of one of the ONTs.
  • the resource scheduling brain can determine an ONT from ONT "D001” and ONT "D002" as the ONT of the returned content.
  • the resource scheduling brain can determine the priorities of the multiple available ONTs to facilitate the CDN node access gateway and/or terminal to determine the target ONT from the multiple available ONTs.
  • the priority of available ONTs can be included in the query results.
  • Table 3 is a possible schematic table made to facilitate understanding of the process of determining available ONTs, and is not intended to limit the embodiments of the present application. During the specific implementation process, the fields in the table can be more or less; the ONT identification, IP address, content index, etc. can be replaced with other designs.
  • the query result may indicate that an available ONT exists or may indicate that an available ONT does not exist.
  • the following describes the situation where there is no available ONT.
  • Step S408 If there is no available ONT, the CDN node accesses the gateway to access the cache.
  • the CDN node cache is a module in the CDN node that stores content.
  • the CDN node cache can request the content from the upper level.
  • Step S409 The CDN node cache returns content to the UE.
  • Step S410 If there is an available ONT, the CDN node access gateway returns an HTTP 302 redirect request.
  • the redirection request includes indication information of available ONTs, such as one or more of the identification of the ONT, the IP address of the ONT, the MAC address of the ONT, and the name of the ONT.
  • the available ONT can be one or multiple.
  • the redirection request also contains the priority of the ONT.
  • Step S411 The UE requests content from the ONT.
  • the ONT here belongs to the available ONT.
  • ONT is also called ONT acceleration end.
  • Step S412 The ONT returns the content to the UE.
  • the CDN node access gateway can determine the acquisition method suitable for the current content from multiple acquisition methods based on the content and content access policy, which improves the flexibility of content acquisition.
  • Using the above method to provide content requires small traffic overhead, small transmission delay, and high transmission efficiency.
  • the process of providing content may include steps S401 to S405.
  • the process of providing content includes steps S401 to S403, and steps S406 to S409.
  • the process of providing content includes step S401-step S401, step S406-step S407, and step S410-step S412.
  • the CDN node access gateway, CDN node content scheduling module and CDN node cache can be included in the same CDN node.
  • the above three modules can also be integrated in different CDN nodes.
  • the CDN node access gateway and the CDN node content scheduling module are included in the same CDN node, and the CDN node cache is included in another CDN node.
  • FIG. 5 is a schematic structural diagram of a content providing device 50 provided by an embodiment of the present application.
  • the content providing device 50 may include a processing unit 501 and a communication unit 502.
  • the content providing device 50 is used to implement the aforementioned content providing method, such as the content providing method in the embodiment shown in FIG. 3 or FIG. 4 .
  • the communication unit 502 is configured to receive an acquisition request for content sent by a terminal device, where the acquisition request includes the content attribute of the content;
  • the processing unit 501 is configured to determine the acquisition method of the content according to the content access policy corresponding to the content attribute.
  • the acquisition method of the content is an acquisition method from a content distribution network CDN node or from an optical network terminal. How to obtain ONT;
  • the communication unit 502 is also used to:
  • the acquisition method of the content is the acquisition method from the ONT, instruct the terminal device to redirect to the target ONT to obtain the content.
  • the content attribute is a service type of the content or an identifier of the content, and the identifier of the content is used to determine the service type of the content;
  • the content access policy includes one or more of the following:
  • the acquisition method of the content is the acquisition method from the ONT;
  • the acquisition method of the content is the acquisition method from the ONT.
  • the content attribute is a request address of the content; the processing unit 501 is further configured to determine a method of obtaining the content according to the request address of the content.
  • the communication unit 502 is also used to:
  • the acquisition method of the content is from an ONT
  • query and obtain the ONT available for the content and the target ONT belongs to the ONT available for the content.
  • the communication unit 502 is also used to:
  • the content providing device instructs the target CDN node to return the content to the terminal device.
  • the computing device 60 includes: a processor 602, a memory 601, a bus 604, and optionally a communication interface 603.
  • the processor 602, the memory 601, etc. communicate through the bus 604. It should be understood that this application does not limit the number of processors and memories in the computing device 60 .
  • the computing device cluster includes at least one computing device 60 .
  • the same instructions for executing the content providing method may be stored in the memory 601 of one or more computing devices 60 in the computing device cluster.
  • the memory 601 of one or more computing devices 60 in the computing device cluster may also store part of the instructions for executing the content providing method respectively.
  • a combination of one or more computing devices 60 may collectively execute instructions for performing a content providing method.
  • An embodiment of the present application also provides a computer program product containing instructions.
  • the computer program product may be a software or program product containing instructions capable of running on a computing device or stored in any available medium.
  • the computer program instructions are used to implement the aforementioned content providing method, such as the content providing method in embodiments such as Figure 3 or Figure 4.
  • At least one mentioned in the embodiments of this application means one or more, and “multiple” means two or more. “At least one of the following” or similar expressions thereof refers to any combination of these items, including any combination of a single item (items) or a plurality of items (items).
  • at least one of a, b, or c can represent: a, b, c, (a and b), (a and c), (b and c), or (a and b and c), where a, b, c can be single or multiple.
  • “And/or” describes the relationship between related objects, indicating that there can be three relationships. For example, A and/or B can mean: A alone exists, A and B exist simultaneously, and B exists alone, where A and B can be singular or plural. The character "/" generally indicates that the related objects are in an "or” relationship.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

Les modes de réalisation de la présente demande concernent un procédé et un appareil de fourniture de contenu, qui sont appliqués aux domaines de la technologie de l'information et de la technologie de communication. Dans les modes de réalisation de la présente demande, un mode d'acquisition approprié pour le contenu actuel peut être déterminé à partir d'une pluralité de modes d'acquisition sur la base d'une politique d'accès correspondant à des attributs de contenu, de sorte que la flexibilité d'acquisition de contenu est améliorée. Au moyen de la fourniture d'un contenu à l'aide des modes de réalisation de la présente demande, de faibles surdébits de flux sont requis, le retard de transmission est court, et l'efficacité de transmission est élevée.
PCT/CN2023/098323 2022-06-24 2023-06-05 Procédé et appareil de fourniture de contenu WO2023246488A1 (fr)

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CN202210724237.9A CN117319500A (zh) 2022-06-24 2022-06-24 内容提供方法及装置

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106464712A (zh) * 2014-04-29 2017-02-22 阿尔卡特朗讯 用于对流送请求进行响应的方法和设备、接入节点及用于操作接入节点的方法
CN106911701A (zh) * 2017-03-06 2017-06-30 北京电信规划设计院有限公司 基于无源光网络实现内容分发的方法
US20190068701A1 (en) * 2017-08-31 2019-02-28 Boe Technology Group Co., Ltd. Content Scheduling Method Based on CDN and P2P Network, and Communication Network
CN114301848A (zh) * 2021-12-10 2022-04-08 阿里巴巴（中国）有限公司 基于cdn的通信方法、系统、设备及存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106464712A (zh) * 2014-04-29 2017-02-22 阿尔卡特朗讯 用于对流送请求进行响应的方法和设备、接入节点及用于操作接入节点的方法
CN106911701A (zh) * 2017-03-06 2017-06-30 北京电信规划设计院有限公司 基于无源光网络实现内容分发的方法
US20190068701A1 (en) * 2017-08-31 2019-02-28 Boe Technology Group Co., Ltd. Content Scheduling Method Based on CDN and P2P Network, and Communication Network
CN114301848A (zh) * 2021-12-10 2022-04-08 阿里巴巴（中国）有限公司 基于cdn的通信方法、系统、设备及存储介质

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