WO2018086575A1 - Procédé et dispositif de commande de ressource multimédia - Google Patents

Procédé et dispositif de commande de ressource multimédia Download PDF

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Publication number
WO2018086575A1
WO2018086575A1 PCT/CN2017/110382 CN2017110382W WO2018086575A1 WO 2018086575 A1 WO2018086575 A1 WO 2018086575A1 CN 2017110382 W CN2017110382 W CN 2017110382W WO 2018086575 A1 WO2018086575 A1 WO 2018086575A1
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WO
WIPO (PCT)
Prior art keywords
resource
media
media resource
cdn
policy server
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PCT/CN2017/110382
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English (en)
Chinese (zh)
Inventor
张神力
蔡忠鹏
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深圳创维数字技术有限公司
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Publication of WO2018086575A1 publication Critical patent/WO2018086575A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14—Network analysis or design
    • H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for controlling media resources.
  • the video on demand service can be based on a Content Delivery Network (CDN) system.
  • CDN Content Delivery Network
  • the CDN system can reduce the number of links on the Internet that may affect the speed and stability of data transmission, making content transmission faster and more stable.
  • the CDN system can real-time according to the network traffic and the connection of multiple service nodes, the load status, and the distance between the service node and the user and the user access time.
  • Comprehensive information such as response time redirects the user's request to the service node closest to the user.
  • the CDN system allows users to get the content they need, solve the network congestion and improve the response speed of users visiting the website.
  • the edge server is installed in the front-end equipment room or the front-end equipment room.
  • the layout of the edge server may lead to high construction costs, the network is easily congested and the terminal resources cannot be fully utilized.
  • a method and device for controlling media resources are proposed, which can improve the utilization of terminal hardware resources and reduce the construction cost of the CDN system.
  • a method of controlling media resources including:
  • the content distribution network CDN resource policy server searches for resource information of the media resource requested by the user equipment in the resource list;
  • the CDN resource policy server sends a media resource request to multiple cable modems CM according to the media resource;
  • the CDN resource policy server selects a target CM according to the media resource response, and sends a media resource confirmation message to the target CM, so that the target CM sends the media resource to the user equipment.
  • the resource list includes a resource identifier, a resource name, a resource description, a resource type, and a resource location, where the resource identifier is used to uniquely identify the media resource, and the resource location is used to describe the media of the CDN resource policy server.
  • Access path information that controls MAC address and resource storage;
  • the media resource response includes: a CM resource usage, a resource identifier of the media resource, a resource name of the media resource, a resource description of the media resource, a resource type of the media resource, and a resource of the media resource. position.
  • the CDN resource policy server sends a media resource request to multiple CMs according to the media resource, including:
  • the CDN resource policy server forwards the media resource request to the plurality of CMs by using a cable modem terminal system CMTS, where the media resource request includes: the resource identifier, the resource name, the resource description, The resource type and the resource location;
  • the CDN resource policy server selects a target CM according to the media resource response, and sends a media resource confirmation message to the target CM, including:
  • the CDN resource policy server selects a target CM with the lowest resource usage rate as the sending server of the media resource according to the media resource response sent by the plurality of CMs, and sends the media resource confirmation message to the target CM.
  • the method further includes:
  • the CDN resource policy server sends a resource query request to the plurality of CMs, receives a response of the resource query request sent by the multiple CMs, and updates the resource list; Returning to the step of executing the resource information of the media resource requested by the user equipment in the resource list by the CDN resource policy server.
  • a method of controlling media resources including:
  • the cable modem CM receives a media resource request sent by the content distribution network CDN resource policy server according to the media resource;
  • a media resource control device includes:
  • the query module is configured to: in the resource list, search for resource information of the media resource requested by the user equipment;
  • a first sending module configured to: if the media resource is in the resource list, send a media resource request to multiple cable modems CM according to the media resource;
  • the receiving module is configured to receive a media resource response sent by the multiple CMs, select a target CM according to the media resource response, and send a media resource confirmation message to the target CM, so that the target CM sends the target CM to the user equipment. Said media resources.
  • the resource list includes a resource identifier, a resource name, a resource description, a resource type, and a resource location, where the resource identifier is used to uniquely identify the media resource, and the resource location is used to describe the media of the CDN resource policy server.
  • Access path information that controls MAC address and resource storage;
  • the media resource response includes: a CM resource usage, a resource identifier of the media resource, a resource name of the media resource, a resource description of the media resource, a resource type of the media resource, and a resource of the media resource. position.
  • the first sending module is configured to: forward the media resource request to the multiple CMs by using a cable modem terminal system CMTS, where the media resource request includes: the resource identifier, the a resource name, the resource description, the resource type, and the resource location;
  • the receiving module is configured to: select, according to the media resource response sent by the multiple CMs, a target CM with the lowest resource usage rate as a sending server of the media resource, and send the media resource confirmation message to the target CM.
  • the device further includes:
  • the second sending module is configured to: after searching for the resource information of the media resource requested by the user equipment in the resource list, if the resource information is not in the resource list, send the information to the multiple CMs
  • the source query request receives the response of the resource query request sent by the plurality of CMs, updates the resource list, and returns a step of performing the resource information of the media resource requested by the user equipment in the resource list.
  • a media resource control device includes:
  • a receiving module configured to receive a media resource request sent by the content distribution network CDN resource policy server according to the media resource
  • a sending module configured to send a media resource response to the CDN resource policy server, so that the CDN resource policy server selects a cable modem CM according to the media resource response, and sends a media resource confirmation message to the CM;
  • the second receiving module is configured to receive the media resource confirmation message and send the media resource to the user equipment.
  • a computer readable storage medium storing computer executable instructions arranged to perform the method of any of the above.
  • a content distribution network CDN resource policy server comprising:
  • At least one processor At least one processor
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to cause the at least one processor to perform the method performed by the CDN resource policy server described above.
  • a cable modem CM comprising:
  • At least one processor At least one processor
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to cause the at least one processor to perform the method of CM execution described above.
  • FIG. 1 is a schematic flowchart of a method for controlling a media resource according to an embodiment
  • FIG. 2 is a schematic flowchart of a method for controlling a media resource according to another embodiment
  • FIG. 3 is a schematic flowchart of a method for controlling a media resource according to another embodiment
  • FIG. 4 is a schematic structural diagram of a media resource control apparatus according to an embodiment
  • FIG. 5 is a schematic structural diagram of a media resource control apparatus according to another embodiment
  • FIG. 6 is a schematic structural diagram of a CDN system according to another embodiment
  • FIG. 7 is a schematic diagram of a hardware structure of a CDN resource policy server according to an embodiment
  • FIG. 8 is a schematic structural diagram of hardware of a CM according to an embodiment.
  • FIG. 1 is a schematic flowchart diagram of a method for controlling a media resource according to an embodiment.
  • the method for controlling a media resource includes the following steps.
  • step 101 the CDN resource policy server queries the resource list.
  • the resource list may include a resource identifier, a resource name, a resource description, a resource type, and a resource location, where the resource identifier is used to uniquely identify a media resource, and the resource name is used to describe a resource name, and the resource description is used to describe Describe resource content, the resource type is used to describe a classification of the resource, and the resource location is used to describe a Media Access Control (MAC) address of the CDN resource policy server and path information of the resource storage.
  • MAC Media Access Control
  • the user equipment sends a media resource request;
  • the user equipment refers to a device that can connect to the Internet, including a computer, a tablet PAD, a mobile phone, a television, and a network set top box.
  • the media resource includes at least one of video, audio, and pictures.
  • the media resource request of the user equipment is sent to the Cable Modem Terminal Systems (CMTS) via a Cable Modem (CM) and forwarded to the CDN Resource Policy Server via the CMTS.
  • CMTS Cable Modem Terminal Systems
  • CM Cable Modem
  • step 102 the CDN resource policy server determines whether the media resource requested by the user equipment is in the resource list.
  • step 103 if the CDN resource policy server determines that the media resource is in the resource list, the CDN resource policy server sends a media resource request to multiple CMs according to the media resource.
  • the sending, by the CDN resource policy server, the media resource request to the multiple CMs according to the media resource includes: the CDN resource policy server includes the media according to the media resources requested by the user equipment in the CM.
  • the CM of the resource sends a media resource request.
  • the CDN resource policy server sends a media resource request to multiple CMs according to the media resource, including:
  • the CDN resource policy server forwards the media resource request to the multiple CMs by using a CMTS, where the media resource request includes: the resource identifier, the resource name, the resource description, the resource type, and The resource location.
  • the CM after receiving the resource query request sent by the CDN resource policy server, the CM sends a resource query response to the CDN resource policy server, where the resource query response includes whether the CM (CDN edge server) has the resource requested by the CDN resource policy server. feedback of. If the CM (CDN Edge Server) does not have the resources requested by the CDN Resource Policy Server, the CDN Resource Policy Server may request resources from the content provider's front-end server.
  • the CDN resource policy server sends a media resource request to multiple CMs according to the media resource.
  • the same media resource may be on multiple CMs (CDN edge servers), and the CDN resource policy server may send all CMs with the requested media resources ( The CDN Edge Server sends a media resource request, which can be forwarded via the CMTS.
  • the CDN resource policy server receives a media resource response sent by the multiple CMs, and the CDN resource policy server selects a target CM according to the media resource response, and sends a media resource confirmation message to the target CM. So that the target CM sends the media resource to the user equipment.
  • the media resource response may include: a CM resource usage, a resource identifier of the media resource, the resource name, the resource description, the resource type, and the resource location.
  • the resource location of the media resource describes a MAC address of the CDN resource policy server and path information of the media resource storage.
  • CM resource usage refers to the case where other devices use CM resources.
  • the CDN resource policy server selects a target CM according to the media resource response, and sends a media resource confirmation message to the target CM, including:
  • the CDN resource policy server selects a target CM with the lowest resource usage rate as the sending server of the media resource according to the media resource response sent by the plurality of CMs, and sends the media resource confirmation message to the target CM.
  • FIG. 2 is a schematic flowchart diagram of a method for controlling a media resource according to an embodiment.
  • the method for controlling a media resource includes the following steps.
  • step 201 the CDN resource policy server queries the resource list.
  • step 202 the CDN resource policy server determines whether the media resource is in the resource list.
  • step 203 if the CDN resource policy server determines that the media resource is in the resource list, the CDN resource policy server sends a media resource request to multiple CMs according to the media resource.
  • step 204 if the CDN resource policy server determines that the media resource is not in the resource list, the CDN resource policy server sends a resource query request to the multiple CMs, and receives the resource query request sent by the multiple CMs. In response, the list of resources is updated and returns to step 202.
  • the CDN resource policy server receives a media resource response sent by the multiple CMs, and the CDN resource policy server selects a target CM according to the media resource response, and sends a media resource confirmation message to the target CM. So that the target CM sends the media resource to the user equipment.
  • FIG. 3 is a schematic flowchart diagram of a method for controlling a media resource according to an embodiment.
  • the method for controlling a media resource includes the following steps.
  • step 301 the CM receives a media resource request sent by the CDN resource policy server according to the media resource.
  • the CM sends a media resource response to the CDN resource policy server, so that the CDN resource policy server selects the CM according to the media resource response, and sends a media resource confirmation message to the CM.
  • step 303 the media resource confirmation message is received, and the media resource is sent to the user equipment.
  • FIG. 4 is a schematic structural diagram of a media resource control apparatus according to an embodiment.
  • the media resource control device can be set in the CDN resource policy server.
  • the query module 401 is set to query the resource list.
  • the resource list may include a resource identifier, a resource name, a resource description, a resource type, and a resource location, where the resource identifier is used to uniquely identify the media resource, and the resource location is used to describe a MAC of the CDN resource policy server. Path information for the address and resource storage.
  • the determining module 402 is configured to determine whether the media resource is in the resource list.
  • the first sending module 403 is configured to: if the media resource is in the resource list, send a media resource request to multiple CMs according to the media resource.
  • the first sending module 403 is configured to:
  • the media resource request includes: the resource identifier, the resource name, the resource description, the resource type, and the resource location.
  • the receiving module 404 is configured to receive a media resource response sent by the multiple CMs, select a target CM according to the media resource response, and send a media resource confirmation message to the target CM, so that the target of the media resource confirmation message is received.
  • the CM sends the media resource to the user equipment.
  • the media resource response includes: a CM resource usage, a resource identifier of the media resource, a resource name of the media resource, a resource description of the media resource, a resource type of the media resource, and the The resource location of the property.
  • the receiving module 404 is configured to:
  • the CM with the lowest resource usage rate as the target CM (the target CM as the sending server of the media resource), and sending the media resource confirmation message to the target CM.
  • the device further includes: a second sending module 405.
  • the second sending module 405 is configured to: after determining whether the media resource is in the resource list, if the media resource is not in the resource list, send a resource query request to the multiple CMs, and receive the multiple CM sending The resource query request response, update the resource list, and return to execute to determine whether the media resource is in the resource list.
  • the above technical solution may be embodied in the form of a software product stored in a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to execute All or part of the steps of the method described in the above embodiments.
  • the foregoing storage medium may be a non-transitory storage medium, including: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • FIG. 5 is a schematic structural diagram of a media resource control apparatus according to an embodiment of the present invention.
  • the media resource control apparatus may be disposed in a CM.
  • the apparatus includes: a receiving module 501 and a sending module 502.
  • the receiving module 501 is configured to receive a media resource request sent by the CDN resource policy server according to the media resource.
  • the sending module 502 is configured to send a media resource response to the CDN resource policy server, so that the CDN resource policy server selects a target CM according to the media resource response, and sends a media resource confirmation message to the target CM. After receiving the media resource confirmation message, the target CM sends the media resource to the user equipment.
  • FIG. 6 is a schematic structural diagram of a CDN system according to an embodiment.
  • the system includes: a CMTS 601, a CDN resource policy server 602 configured to set resource policies and resource scheduling, a CM 603 configured to provide network access functions for user equipment, an Internet 604, and a user equipment 605.
  • the CMTS 601 is connected to the Internet 604, the CMTS 601 is connected to the CDN resource policy server 602, the CMTS 601 is connected to the CM 603, and the CM 603 is connected to the user equipment 605.
  • the CDN resource policy server 602 queries the resource list to determine whether the media resource is in the resource list. If the CDN resource policy server 602 determines that the media resource is in the resource list, the CDN resource policy server 602 sends a media resource request to the plurality of CMs 603 according to the media resource, and receives the media resource response sent by the multiple CMs. The target CM 603 is selected according to the media resource response, and the media resource confirmation message is sent to the target CM 603, so that the target CM 603 that receives the media resource confirmation message sends the media resource to the user equipment 605.
  • the target CM 603 receives the media resource request sent by the CDN resource policy server 602 according to the media resource, and sends a media resource response to the CDN resource policy server 602. If the target CM 603 receives the media resource confirmation message, the target CM 603 sends the media resource to the user equipment 605.
  • the CDN resource policy server includes:
  • At least one processor 70 is exemplified by a processor 70 in FIG. 7; a memory 71; and a communication interface 72 and a bus 73.
  • the processor 70, the memory 71, and the communication interface 72 can complete communication with each other through the bus 73.
  • Communication interface 72 can transmit data and signals.
  • the processor 70 can invoke the logic instructions in the memory 71 to perform the method performed by the CDN resource policy server in the above embodiments.
  • logic instructions in the memory 71 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the memory 71 is a computer readable storage medium, and can be configured to store a software program, a computer executable program, such as a program instruction or a module corresponding to a method executed by the CDN resource policy server in the above embodiment.
  • the processor 70 executes the function application and the data processing by executing a software program, an instruction or a module stored in the memory 71, that is, the method performed by the CDN resource policy server in the above embodiment.
  • the memory 71 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the terminal, and the like. Further, the memory 71 may include a high speed random access memory, and may also include a nonvolatile memory.
  • CM includes:
  • At least one processor 80 which is exemplified by a processor 80 in FIG. 8; a memory 81; and a communication interface 82 and a bus 83.
  • the processor 80, the memory 81, and the communication interface 82 can complete communication with each other through the bus 83.
  • Communication interface 82 can transmit data and signals.
  • the processor 80 can call the logic instructions in the memory 81 to perform the method performed by the CM in the above embodiment.
  • logic instructions in the memory 81 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the memory 81 is a computer readable storage medium, and can be configured to store a software program, a computer executable program, such as a program instruction or a module corresponding to the method executed by the CM in the above embodiment.
  • the processor 80 executes the function application and the data processing by executing a software program, an instruction or a module stored in the memory 81, that is, the method of the CM execution in the above embodiment.
  • the memory 81 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the terminal, and the like. Further, the memory 81 may include a high speed random access memory, and may also include a nonvolatile memory.
  • the method and device for controlling the media resources can improve the utilization of the hardware resources of the terminal and reduce the construction cost of the CDN system.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer And Data Communications (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de commande de ressource multimédia comprenant les étapes suivantes : un serveur de politique de ressources de réseau de distribution de contenu (CDN) détermine si une ressource multimédia est présente dans une liste de ressources ; si la ressource multimédia est présente dans la liste de ressources, le serveur de politique de ressources de CDN envoie une demande de ressource multimédia à une pluralité de modems câblés (CM) en fonction de la ressource multimédia ; le serveur de politique de ressources de CDN reçoit des réponses de ressource multimédia envoyées par la pluralité de CM ; et le serveur de politique de ressources de CDN sélectionne un CM cible en fonction des réponses de ressource multimédia en vue d'envoyer un message d'accusé de réception de ressource multimédia, de telle sorte que le CM cible envoie la ressource multimédia à un équipement utilisateur. L'invention concerne également un dispositif de commande de ressource multimédia.
PCT/CN2017/110382 2016-11-10 2017-11-10 Procédé et dispositif de commande de ressource multimédia WO2018086575A1 (fr)

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CN201610998952.6A CN106533760B (zh) 2016-11-10 2016-11-10 一种在cm网络中构建cdn系统的方法及装置

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