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WO2008134956A1 - Procédé, système, dispositif de commande multimédia et dispositif de combinaison de services multimédia - Google Patents

Procédé, système, dispositif de commande multimédia et dispositif de combinaison de services multimédia Download PDF

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Publication number
WO2008134956A1
WO2008134956A1 PCT/CN2008/070766 CN2008070766W WO2008134956A1 WO 2008134956 A1 WO2008134956 A1 WO 2008134956A1 CN 2008070766 W CN2008070766 W CN 2008070766W WO 2008134956 A1 WO2008134956 A1 WO 2008134956A1
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WO
WIPO (PCT)
Prior art keywords
media
media resource
resource server
client
server
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2008/070766
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English (en)
Chinese (zh)
Inventor
Xiao Wang
Peili Xu
Peng Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2008134956A1 publication Critical patent/WO2008134956A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a media control method, system, device, and media service combination device.
  • IP Internet Protocol
  • IP IMS IP Multimedia Subsystem
  • IMS is a subsystem superimposed on the existing packet domain in the WCDMA (Wideband Code Division Multiple Access) network added in the 3GPP R5 phase, using the packet domain for its upper layer control signaling and media transmission.
  • the bearer channel, the SIP (Session Initiation Protocol) is introduced as a service control protocol, and the SIP is simple, easy to expand, and the media combination is convenient. By separating the service control from the bearer control, a rich multimedia service is provided.
  • the main functional entities in the IMS include CSCF (Call Session Control Function) entities that control user registration and session control functions, AS (Application Server) that provides various service logic control functions, and centralized management users.
  • CSCF Call Session Control Function
  • AS Application Server
  • HSS Home Subscriber Server
  • MGCF Media Gateway Control Function
  • IM-MGW IP Multimedia Media Gateway Function, IP Multimedia Gateway Function
  • SIP Session Initiation Protocol
  • RTP Real-time Transport Protocol
  • RTCP Real-time Transport Control Protocol
  • Protocols such as Control Protocol), SDP (Session Description Protocol), RTSP (Real Time Streaming Protocol), DNS (Domain Name Service Protocol, i or Mingyue Agreement), etc. Session establishment and media negotiation; Once a session is established, the media stream will be directly transmitted in the bearer layer using the RTP protocol, and multiple media can be flexibly interacted in one session.
  • a fixed media resource server (MRS, Media Resource Service) is statically configured on each media resource client (MRC) to provide services.
  • the media resource server receives the media processing request information of the media client, and performs specific media processing operations, such as: playback, recording, media mixing, etc.; the media client sends a message to the media resource server, requests to process the media resource; the media client passes the SIP (Session Initiation Protocol) Performs SDP interaction with the media server to negotiate to establish a media control channel.
  • SIP Session Initiation Protocol
  • the embodiments of the present invention provide a media control method, system, device, and media service combination device, which can implement flexible management of a media resource server in a network.
  • the embodiment of the present invention provides a media control system, including: a media resource server, configured to report registration information and status information; a media resource client, configured to send a session establishment request message; and a media service processing device, configured to receive a media resource server The registered registration information and the status information, and the session establishment request message sent by the media resource client; and according to the media service capability requested in the session establishment request message and the registration information and status information reported by the media resource server, A media resource server that provides a media service to a media resource client.
  • the embodiment of the present invention further provides a media service processing device, including: a storage management unit, configured to receive and manage registration information and status information reported by a media resource server; and a media service combination routing unit, configured to receive a session from a media resource client Establishing a request message, and selecting, according to the media service capability requested in the session establishment request message and the registration information and status information of the media resource server, A media resource server that provides media services for the media resource client.
  • a media service processing device including: a storage management unit, configured to receive and manage registration information and status information reported by a media resource server; and a media service combination routing unit, configured to receive a session from a media resource client Establishing a request message, and selecting, according to the media service capability requested in the session establishment request message and the registration information and status information of the media resource server, A media resource server that provides media services for the media resource client.
  • the embodiment of the present invention further provides a media service combination device, including: a receiving unit, configured to receive a session message and a media control message from a media resource client, where the session message includes at least a session establishment request message; The media service capability requested in the session establishment request message selects at least one media resource server; and the proxy unit is configured to proxy a session message and a media control message between the media resource client and the selected media resource server.
  • a receiving unit configured to receive a session message and a media control message from a media resource client, where the session message includes at least a session establishment request message
  • the media service capability requested in the session establishment request message selects at least one media resource server
  • the proxy unit is configured to proxy a session message and a media control message between the media resource client and the selected media resource server.
  • the embodiment of the present invention further provides a media control method, including: receiving a session establishment request message sent by a media resource client; performing media service capability requested in the session establishment request message and registration information and status information reported by the media resource server And selecting a media resource server that provides media services for the media resource client.
  • FIG. 1 is a schematic diagram of a system according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a system according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram of a system according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic diagram of a system according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic diagram of a system according to Embodiment 5 of the present invention.
  • FIG. 6 is a schematic diagram of a device according to an embodiment of the present invention.
  • FIG. 7 is a flowchart provided by an embodiment of the present invention.
  • Embodiment 8 is a first signaling flowchart provided by Embodiment 4 of the present invention.
  • FIG. 9 is a second signaling flowchart provided by Embodiment 4 of the present invention.
  • FIG. 10 is a third signaling flowchart of Embodiment 4 of the present invention.
  • FIG. 11 is a first signaling flowchart provided by Embodiment 3 of the present invention.
  • FIG. 12 is a second signaling flowchart of Embodiment 3 of the present invention.
  • FIG. 13 is a signaling flowchart provided by Embodiment 2 of the present invention.
  • the embodiment of the invention provides a media control system, which is respectively listed according to different networking modes. The embodiment is described in detail:
  • Embodiment 1 is a schematic diagram of a system according to Embodiment 1 of the present invention, including:
  • the media resource server 11 is configured to register and report status information
  • a media resource client 12 configured to send a session establishment request message
  • the media resource management device 13 is configured to receive and manage registration information and status information reported by the media resource server 11;
  • the data storage device 14 is configured to acquire and save the registration information and status information from the media resource management unit 13;
  • the data storage device 14 requests the media service combination device 15 or the media resource routing device 16 to perform a query according to a certain policy, such as load balancing, the media resource server is selected, and the address of the media resource server is returned;
  • the server selects, returns the media resource server status information, and the media service combining device 15 or the media resource routing device 16 performs the selection of the media resource server according to the status information of the returned media resource server.
  • the media service combination device 15 is configured to: after registering with the media resource management device 13, select at least one media resource server according to the media service capability requested in the session establishment request message, and the registration information and status information of the media resource server 11 Providing the media service required by the media resource client 12; the media service combining device 15 acts as an intermediate control point, and proxies the session message and the media control message between the media resource client 12 and the media resource server 11; negotiates to establish the media resource client 12 A segmented media control channel between the media service combination device 15 and the media service combination device 15 and the media resource server 11.
  • the media resource routing device 16 is configured to receive a session establishment request message from the media resource client 12, query the data storage device 14 for the media resource server 11 having the specified media service capability according to the request in the session establishment request message; or query the media.
  • the service combining device performs the media service combination and routes the session establishment request message to the selected media resource server, or media service combining device, based on the information fed back by the data storage device 14.
  • the media resource management device 13 requests the data storage device 14 to delete the information related to the media resource server 11 and the information related to the media resource combination device 15.
  • the media resource management device 13, the data storage device 14, and the media service combination exists separately, and performs its respective functions.
  • FIG. 2 is a schematic diagram of a system according to Embodiment 2 of the present invention.
  • the data storage device 14 and the media resource management device 13 are integrated in the storage management device 21, and the storage management device 21 implements the data storage device. 14 and the function of the media resource management device 13.
  • the system specifically includes:
  • the media resource server 11 is configured to register and report status information
  • a media resource client 12 configured to send a session establishment request message
  • the storage management device 21 is configured to receive, save, and manage registration information and status information reported by the media resource server 11;
  • the media service combination device 15 is configured to: after registering with the storage management device 21, select at least one media resource server according to the media service capability requested in the session establishment request message, and the registration information and status information acquired from the storage management device 21. Cooperating with the media service required by the media resource client 12; the media service composition device 15 acts as an intermediate control point, and proxies the session message and media control message between the media resource client 12 and the media resource server 11; negotiates to establish a media resource client. A segmented media control channel between the media service combination device 15, the media service combination device 15, and the media resource server 11.
  • the media resource routing device 16 receives the session establishment request message from the media resource client 12, and queries the data storage device 14 for the media resource server 11 having the specified media service capability according to the request in the session establishment request message; or queries the media service combination.
  • the device performs the media service combination and routes the session establishment request message to the selected media resource server, or media service combination device, based on the information fed back by the data storage device 14.
  • a certain policy such as load balancing
  • Embodiment 3 is a schematic diagram of a system according to Embodiment 3 of the present invention.
  • the media service combining device 15 and the media resource routing device 16 are integrated in the media service combination routing device 31, and the media service combination route is used.
  • the device 31 implements the media service combination device 15 and the media resource The function of routing device 16.
  • the system specifically includes:
  • the media resource server 11 is configured to register and report status information
  • a media resource client 12 configured to send a session establishment request message
  • the storage management device 21 is configured to receive, save, and manage registration information and status information reported by the media resource server 11;
  • the media service combination routing device 31 is configured to select at least two media resource servers to jointly provide the media resource client according to the media service capability requested in the session establishment request message, and the registration information and the status information acquired from the storage management device 21. 12 required media service, if at least two media resource servers or session establishment request messages are selected to indicate that the media service combination function is provided, the media service composition routing device 31 needs to act as an intermediate node, proxy media resource client 12 and media resource server.
  • a session message and a media control message between the 11 routing the session establishment request message to the selected media resource server, negotiating to establish the media resource client 12 and the media service combination routing device 31, the media service combination routing device 31 and the media A segmented media control channel between the resource servers 11; or, a media resource server is selected to route the session establishment request message to the selected media resource server.
  • the storage management device 21 requests the media service combination routing device 31 to query the media service combination routing device 31. If the media resource server is selected according to a certain policy, such as load balancing, the address of the media resource server is returned; if the media resource server is not used. The selection returns the media resource server status information, and the media service combination routing device 31 performs the selection of the media resource server according to the status information of the returned media resource server.
  • a certain policy such as load balancing
  • Embodiment 4 is a schematic diagram of a system according to Embodiment 4 of the present invention.
  • the media resource management device 13, the data storage device 14, the media service combination device 15, and The media resource routing device 16 is integrated in the media service processing device 41, and the functions of the media resource management device 13, the data storage device 14, the media service combining device 15, and the media resource routing device 16 are implemented by the media service processing device 41.
  • the system specifically includes:
  • the media resource server 11 is configured to register and report status information
  • a media resource client 12 configured to send a session establishment request message
  • the media service processing device 41 is configured to receive, save, and manage registration information and status information reported by the media resource server 11 according to the media service request in the session establishment request message. And the registration information and the status information, selecting one or at least two media resource servers to jointly provide the media service required by the media resource client 12. If at least two media resource servers or session establishment request messages are selected to indicate that the media service composition function is provided, the media service processing device 41 acts as an intermediate control point to proxy session messages and media between the media resource client 12 and the media resource server 11. Controlling the message; routing the session establishment request message to the selected media resource server, and negotiating to establish the segmented media control between the media resource client 12 and the media service processing device 41, the media service processing device 41 and the media resource server 11 aisle. If a media resource server is selected, the session establishment request message is routed to the selected media resource server.
  • FIG. 5 it is a schematic diagram of a system according to Embodiment 5 of the present invention.
  • a media resource proxy device 51 is connected to the media service processing device 41, and is used for receiving and reporting, and cannot directly communicate with the media service processing device 41.
  • the registration information and status information of the connected media resource server are sent to the media service processing device 41.
  • the media resource server is aged and cannot directly access the media service processing device 41.
  • the media resource proxy device 51 registers and reports the status information to the media service processing device 41 according to the received registration information and status information of the aged media resource server.
  • the first media resource server 52 can directly access the media service processing device 41, while the second media resource server 53 cannot directly access the media service processing device 41, and the second media resource server 53 accesses the media through the proxy of the media resource proxy device 51.
  • Service processing device 41 can directly access the media service processing device 41, while the second media resource server 53 cannot directly access the media service processing device 41, and the second media resource server 53 accesses the media through the proxy of the media resource proxy device 51.
  • Service processing device 41 can directly access the media service processing device 41, while the second media resource server 53 cannot directly access the media service processing device 41, and the second media resource server 53 accesses the media through the proxy of the media resource proxy device 51.
  • Service processing device 41 can directly access the media service processing device 41, while the second media resource server 53 cannot directly access the media service processing device 41, and the second media resource server 53 accesses the media through the proxy of the media resource proxy device 51.
  • the embodiment of the present invention increases the flexibility of the network architecture and can reduce the dependency on the configuration data.
  • FIG. 6 is a schematic diagram of a device according to an embodiment of the present invention, including:
  • a media resource management unit 61 configured to receive and manage registration information and status information reported by the media resource server;
  • a data storage unit 62 configured to acquire and save the registration information and status information from the media resource management unit 61;
  • the media resource routing unit 63 is configured to receive and route a session establishment request message, and negotiate to establish a media control channel.
  • the media service combining unit 64 is configured to select a media resource server according to the media service capability requested in the session establishment request message, and the registration information and status information acquired from the data storage unit 62, and notify the media resource routing unit 63 to The session establishment request message is sent to the selected Media resource server.
  • the media resource management unit 61, the data storage unit 62, the media resource routing unit 63, and the media service combining unit 64 are respectively assumed by the corresponding functional entities.
  • the present invention also provides a media service combination device, including:
  • a receiving unit configured to receive a session establishment request message from a media resource client, and registration information and status information of the media resource server;
  • a selecting unit configured to select at least one media resource server according to the media service capability requested in the session establishment request message, and the registration information and the status information;
  • a proxy unit configured to proxy a session message and a media control message between the media resource client and the selected media resource server
  • the device when the media resource server selected by the selecting unit is at least two, the device further includes:
  • a decomposing unit configured to decompose the media service capability requested in the session establishment request message, and notify the selecting unit to select at least two media resource servers to provide a media combination service.
  • the media service processing device receives and saves registration information and status information of the media resource server;
  • the method further includes: deleting the registration information and the status information of the media resource server when receiving the media resource server logout information.
  • the routing the session establishment request message to the media resource server includes: sending the received session establishment request message to the selected media resource server; or performing a redirect response, that is, the selected media resource server The address is returned to the media resource client, and when the media resource client receives the address, the session establishment request message is directly sent to the media resource server.
  • the selecting a media resource server includes:
  • the media resource server is selected according to the load balancing or the location of the media resource server;
  • the media service is decomposed and at least two media resource servers capable of providing the decomposed media service are selected.
  • the receiving and storing the registration information and the status information of the media resource server further includes: performing a security policy such as identity authentication on the media resource server.
  • the receiving a session establishment request message initiated by the media resource client further includes: performing an identity policy, such as identity authentication, on the media resource client.
  • FIG. 8 is a first signaling flowchart provided by Embodiment 4 of the present invention.
  • the process of establishing a media control channel between the media resource client and the media resource server is as follows:
  • the media resource server has registered and reported the status to the media service processing device.
  • the media resource client sends a session establishment request message to the media service processing device, requesting to establish a media control channel with a media resource server having the specified media service capability;
  • the media service processing device authenticates the media resource client according to the configuration, selects a media resource server with the specified media service capability from the registered media resource server, and connects the media resource client according to a policy such as load balancing or a location of the media resource server. Pass the request to the selected media resource server before establishing the request;
  • the media resource server sends a response message to the session establishment request, and is routed to the media resource client by the media service processing device; 805 ⁇ 806: The media resource client confirms the response message and routes the media service processing device to the media resource server;
  • a media control channel is established between the media resource client and the media resource server.
  • FIG. 9 is a second signaling flowchart provided by Embodiment 4 of the present invention:
  • a media service combination is required, and the media resource client establishes a media control channel with the media service processing device, and the media service processing device establishes a media control channel with the first media resource server and the second media resource server respectively as follows:
  • the first media resource server and the second media resource server respectively have registered and reported the status to the media service processing device;
  • the media resource client sends a session establishment request message to the media service processing device, requesting to establish a media control channel with a media resource server having the specified media service capability;
  • the media service processing device authenticates the media resource client according to the configuration, and selects a media resource server having the specified media service capability from the registered media resource servers based on a policy such as load balancing or a location of the media resource server. Since the already registered media resource server on the media service processing device does not have all the media service capabilities with the media resource client request, the media service processing device selects multiple media resource server combinations to provide media services for the media resource client.
  • the media service processing device selects the first media resource server and the second media resource server, and sends a session establishment request to the first media resource server and the second media resource server respectively; Steps 904-907, the media service processing device and the first media respectively.
  • the resource server and the second media resource server complete the session interaction, and respectively establish a media control channel between the media service processing device and the first media resource server and the media service processing device and the second media resource server;
  • Steps 908 ⁇ 909, the media resource client and the media service processing device complete the session interaction, and establish a media control channel.
  • FIG. 10 it is a third signaling flowchart provided by Embodiment 4 of the present invention:
  • the media service processing device returns the media resource server address through the redirection manner, and the process of the media resource client directly interacting with the media resource server to establish a media control channel is as follows: The media resource server has registered and reported the status to the media service processing device.
  • the media resource client sends a session establishment request message to the media service processing device, requesting to establish a media control channel with a media resource server having the specified media service capability;
  • 1002 - 1003 The media service processing device authenticates the media resource client according to the configuration, and selects a media resource server with the specified media service capability from the registered media resource server based on a policy such as load balancing or location of the media resource server. And carrying the selected media resource server address to the media resource client by using a redirect response message;
  • the media resource client takes the media resource server address from the response message of the media service processing device, and sends a session establishment request message to the media resource server.
  • the media resource client interacts with the media resource server through a session to establish a media control channel.
  • a first signaling flowchart provided by Embodiment 3 of the present invention is:
  • the process of establishing a media control channel between the media resource client and the media resource server is as follows:
  • the media resource server has registered with the storage management device and reported the status.
  • the media resource client sends a session establishment request message to the media service combination routing device, requesting to establish a media control channel with the media resource server having the specified media service capability; and the media service combination routing device authenticates the media resource client according to the configuration.
  • the media service combination routing device queries the storage management device for the media resource server with the specified media service capability, and the storage management device can return two types of query results: A) the capability and status information of the media resource server, which may be multiple media resources. Server; B) performing media resource server selection based on policies such as load balancing or location of the media resource server, and returning the media resource server address.
  • the media service combination routing device receives the query result.
  • the media service combination routing device needs to perform the media resource server selection process according to the policy such as load balancing or the location of the media resource server, and then establish the session.
  • the request is forwarded to the selected media resource server;
  • the media resource server sends a response message to the session establishment request, and is routed to the media resource client by the media service combination routing device;
  • the media resource client confirms the response message, and the media service combination routing device routes to the media resource server;
  • a media control channel is established between the media resource client and the media resource server.
  • FIG. 12 it is a second signaling flowchart provided by Embodiment 3 of the present invention:
  • a media service combination is required, and a media resource client and a media service combination routing device are used to establish a medium.
  • the process of establishing a media control channel by the media service combination routing device and the first media resource server and the second media resource server respectively is as follows:
  • the first media resource server and the second media resource server have respectively registered and reported the status to the storage management device.
  • the media resource client sends a session establishment request message to the media service combination routing device, requesting to establish a media control channel with the media resource server having the specified media service capability;
  • the media service combination routing device authenticates the media resource client according to the configuration, and the media service combination routing device queries the storage management device for the media resource server with the specified media service capability. Since none of the media resource servers registered on the storage management device has all the media service capabilities requested by the media resource client, the storage management device returns a specific failure response; or decomposes the media service queried by the media service combination routing device, and selects more The media resource servers (here the first media resource server and the second media resource server) are combined to provide media services.
  • the media service combination routing device receives the query result. If it is a specific failure response, the media service is decomposed into smaller media services and then queried to the storage management device to obtain a media service combination first media resource server and second media resource server. . Sending a session establishment request to the first media resource server and the second media resource server, respectively;
  • the media service combination routing device completes a session interaction with the first media resource server and the second media resource server, respectively, and combines the routing device with the first media resource server and the media service routing device and the second media respectively.
  • a media control channel is established between the resource servers; 1208 ⁇ 1209, the media resource client and the media service combination routing device complete the session interaction, and establish a media control channel;
  • FIG. 13 it is a signaling flowchart provided by Embodiment 2 of the present invention:
  • the process of establishing a media control channel between the media resource client and the first media resource server is as follows:
  • the first media resource server and the second media resource server have respectively registered and reported the status to the storage management device, and the media service combination device registers with the storage management device.
  • the media resource client sends a session establishment request message to the media resource routing device, requesting to establish a media control channel with the media resource server having the specified media service capability;
  • the media resource routing device authenticates the media resource client according to the configuration, and the media resource routing device
  • the storage management device queries the media resource server with the specified media service capability, and the storage management device can return two types of query results: A) the capability and status information of the media resource server (which may be multiple media resource servers);
  • the storage management device performs media resource server selection based on policies such as load balancing or location of the media resource server, and returns the media resource server address.
  • the media resource routing device receives the query result. If it is the capability and status information of the media resource server, the media resource routing device needs to perform the media resource server selection process according to the load balancing policy, and then forwards the session establishment request to the selected media resource server.
  • the first media resource server When the first media resource server is the selected media resource server, the first media resource server sends a response message to the session establishment request, and is routed to the media resource client by the media resource routing device;
  • the media resource client confirms the response message, and passes the media resource routing device to the first media resource server;
  • a media control channel is established between the media resource client and the first media resource server.
  • the media resource client and the media service combination device establish a media control channel, and the media service combination device establishes a media control channel with the first media resource server and the second media resource server, respectively.
  • the media resource client sends a session establishment request message to the media resource routing device, requesting to establish a media control channel with the media resource server having the specified media service capability;
  • the media resource routing device authenticates the media resource client according to the configuration, and the media resource routing device queries the storage management device for the media resource server with the specified media service capability, and the storage management device returns a specific failure message indicating that the media service combination is required.
  • the media resource routing device can obtain the media service combination device address in two ways: A) the storage management device carries the media service combination device address that provides the media service combination in the specific failure message; B) the media resource routing device provides the storage management device query Media service combination device of media service combination;
  • the media resource routing device forwards the session establishment request to the media service combination device.
  • the media service combination device receives the session established by the media resource routing device.
  • the device decomposes the media service carried by the session establishment request into several smaller media services, and sequentially queries the storage management device for the media resource that can provide the service.
  • Server media service combination equipment is not divided
  • the media service is directly queried to the storage management device, and the storage management device executes the decomposition media service, and selects the processing of the media resource server, and the storage management device returns the finally selected plurality of media resource servers to the media service combination device.
  • the media service combination device completes the session interaction with the first media resource server and the second media resource server, respectively, and is respectively between the media service combination device and the first media resource server and the media service combination device and the second media resource server Establish a media control channel;
  • the media resource client and the media service combination device complete the session interaction and establish a media control channel.
  • the media resource server is selected to provide a media service for the media resource client, thereby realizing the media resource.
  • the dynamic selection of the server and the load balancing allocation greatly increase the flexibility compared to the existing media service provided by the fixed media resource server for the media client based on the static configuration information.
  • the registered media resource server does not have a media resource server that provides media services independently for the media resource client, at least two media resource servers may be selected to jointly undertake the media requested in the session establishment request message according to the service capability of the media.
  • Service a media service combination that implements a media resource server.
  • the session establishment request message is separately routed to the selected media resource server, negotiated to establish a media control channel between the media resource client and the media resource server, or act as an intermediate node proxy media resource client to multiple media with different capabilities.
  • the resource server sends a media control message to implement a media service combination.
  • the management of the media resource server with different processing capabilities when the media processing capabilities provided by the different media resource servers are different is implemented; and the system embodiment provided by the present invention can adopt different networking modes and increase the network architecture. Flexibility, reducing reliance on configuration data.

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  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
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  • Computer And Data Communications (AREA)

Abstract

Un système de commande multimédia comprend : des serveurs de ressource multimédia (11), utilisés pour rapporter des informations d'enregistrement et des informations d'état ; un client de ressource multimédia (12), utilisé pour envoyer un message de requête d'établissement de session ; un dispositif (41) de traitement de service multimédia, utilisé pour recevoir les informations d'enregistrement et les informations d'état rapportées par les serveurs de ressource multimédia (11), pour recevoir le message de requête d'établissement de session envoyé par le client de ressource multimédia (12) et, selon la capacité du service multimédia demandé dans le message de requête d'établissement de session et les informations d'enregistrement et informations d'état rapportées par les serveurs de ressource multimédia (11), pour choisir un serveur de ressource multimédia (11) qui peut fournir un service multimédia au client de ressource multimédia (12). L'invention concerne également un dispositif de traitement de service multimédia, un dispositif de combinaison de services multimédia et un procédé de commande multimédia.
PCT/CN2008/070766 2007-04-30 2008-04-22 Procédé, système, dispositif de commande multimédia et dispositif de combinaison de services multimédia Ceased WO2008134956A1 (fr)

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CN101924782A (zh) * 2009-06-16 2010-12-22 鸿富锦精密工业（深圳）有限公司 网络资源服务系统及方法
WO2011143804A1 (fr) * 2010-05-17 2011-11-24 中兴通讯股份有限公司 Procédé et système permettant de retourner à un état multimédia précédent
CN103095664B (zh) 2011-10-31 2015-12-16 国际商业机器公司 Ip多媒体会话建立方法和系统
CN106254408A (zh) * 2015-06-12 2016-12-21 财团法人工业技术研究院 移动边缘计算的控制方法、网络系统与服务平台
CN113098864B (zh) * 2021-03-31 2022-07-01 杭州海康威视系统技术有限公司 一种数据传输系统

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