WO2023005983A1 - 一种通道建立方法、装置、网络设备和存储介质 - Google Patents

一种通道建立方法、装置、网络设备和存储介质 Download PDF

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Publication number
WO2023005983A1
WO2023005983A1 PCT/CN2022/108294 CN2022108294W WO2023005983A1 WO 2023005983 A1 WO2023005983 A1 WO 2023005983A1 CN 2022108294 W CN2022108294 W CN 2022108294W WO 2023005983 A1 WO2023005983 A1 WO 2023005983A1
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Prior art keywords
service controller
request
information
network
data channel
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PCT/CN2022/108294
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English (en)
French (fr)
Inventor
白雪茜
周越
刘景磊
张剑寅
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2023005983A1 publication Critical patent/WO2023005983A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • 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
    • 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
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]

Definitions

  • the present application relates to the technical field of communications, and in particular to a channel establishment method, device, network equipment and storage medium.
  • Web Real-Time Communication is an application programming interface (API, Application Programming Interface) that supports real-time audio and video calls through a browser.
  • API Application Programming Interface
  • WebRTC users can add real-time communication capabilities to applications based on open standards.
  • WebRTC data channel DC, Data Channels
  • DC Data Channels
  • Embodiments of the present application provide a channel establishment method, device, network device, and storage medium.
  • the embodiment of the present application provides a method for establishing a channel, the method including:
  • the first service controller receives the first request from the second service controller, and the first request is used to request to establish a data channel; the first service controller is used for service processing based on the data channel, and the second service controller The controller is used to process the call service and interact with the first service controller;
  • the first service controller obtains first information for establishing a data channel from the media server based on the first request, and sends first confirmation information to the second service controller, where the first confirmation information includes the Describe the first information.
  • the first request comes from a first terminal device of the first network; the first service controller receives the first request via a border controller, a session controller, and the second service controller A request; the first information is used to establish a data channel between the first terminal device and the media server.
  • the first request comes from a network device of the second network; the first service controller receives the first request via the second service controller; the first information is used for A data channel is established between the first terminal device of the first network and the media server.
  • the first information includes at least one of the following information: a data channel identifier, an Internet Protocol (IP) address related to the data channel, a port number related to the data channel, and transmission protocol information related to the data channel.
  • IP Internet Protocol
  • the method further includes: the first service controller sending address information of the first service controller to the media server.
  • the method further includes: when the data channel has been established, the first service controller receives a second request, where the second request is used to request establishment of an application channel;
  • the first service controller obtains second information for establishing an application channel from the media server based on the second request.
  • the second request comes from a first terminal device of the first network; the first service controller receives the second request via a border controller, a session controller, and the second service controller Two requests: the second information is used to establish an application channel between the first terminal device and the media server.
  • the method further includes: the first service controller sending second confirmation information to the second service controller, where the second confirmation information includes the second information.
  • the second request is from a network device of the second network; the second information is used to establish an application channel between the terminal device of the second network and the media server.
  • the method further includes: the first service controller obtains third information of the terminal equipment of the first network, and the third information is used to establish a connection between the terminal equipment of the first network and an application channel between said media servers;
  • the first service controller sends third confirmation information to the network equipment of the second network, where the third confirmation information includes the second information.
  • the second information includes at least one of the following information: an application channel flow identifier, an IP address related to the application channel, a port number related to the application channel, and transmission protocol information related to the application channel.
  • the embodiment of the present application also provides a method for establishing a channel, the method including:
  • the second service controller receives the first request, and sends the first request to the first service controller; the first request is used to request establishment of a data channel; the first service controller is used for service processing based on the data channel, The second service controller is used for processing call services and interacting with the first service controller;
  • the second service controller receives first confirmation information from the first service controller, where the first confirmation information includes first information for establishing a data channel.
  • the first request comes from a first terminal device of the first network; the second service controller receives the first request via a border controller and a session controller; the first information It is used to establish a data channel between the first terminal device and the media server.
  • the method further includes: the second service controller sends a first request response to the first terminal device, the first request response is used to indicate that the first request has been confirmed ;
  • the first request response includes the first information.
  • the method further includes: the second service controller negotiates information for establishing a data channel with a network device of the second network.
  • the first request is from a network device of the second network; the first information is used to establish a data channel between the first terminal device of the first network and the media server.
  • the method further includes: the second service controller sending the first information to the first terminal device, and receiving fourth confirmation information from the first terminal device;
  • the fourth confirmation information indicates that the first information used to establish the data channel has been confirmed;
  • the second service controller sends a first request response to a network device of the second network, where the first request response is used to indicate that the first request has been confirmed.
  • the first information includes at least one of the following information: a data channel identifier, an IP address related to the data channel, a port number related to the data channel, and transmission protocol information related to the data channel.
  • the method further includes: when the data channel has been established, the second service controller receives a second request, and sends the second request to the first service controller device; the second request is used to request the establishment of an application channel, and the second request comes from the first terminal device of the first network; the second service controller receives the second request via a border controller and a session controller .
  • the method further includes: the second service controller receiving second confirmation information from the first service controller, the second confirmation information including second information, the The second information is used to establish an application channel between the first terminal device and the media server.
  • the method further includes: the second service controller sends a second request response to the first terminal device, the second request response is used to indicate that the second request has been confirmed ;
  • the second information is included in the second request response.
  • the method further includes: the second service controller negotiates with a network device of the second network on information for establishing an application channel, and the information for establishing an application channel is used to establish the An application channel between the second terminal device on the second network and the media server.
  • the second information includes at least one of the following information: an application channel flow identifier, an IP address related to the application channel, a port number related to the application channel, and transmission protocol information related to the application channel.
  • the embodiment of the present application further provides a service controller, the service controller is a first service controller; the service controller includes: a first receiving unit, a first processing unit and a first sending unit ;in,
  • the first receiving unit is configured to receive a first request from a second service controller, where the first request is used to request establishment of a data channel; the first service controller is used for service processing based on a data channel, and the The second service controller is used for processing the call service and interacting with the first service controller;
  • the first processing unit is configured to obtain first information for establishing a data channel from a media server based on the first request;
  • the first sending unit is configured to send first confirmation information to the second service controller, where the first confirmation information includes the first information.
  • the embodiment of the present application further provides a service controller, the service controller is a second service controller; the service controller includes: a second receiving unit and a second sending unit; wherein,
  • the second receiving unit is configured to receive a first request, and the first request is used for requesting establishment of a data channel; the second service controller is used for processing call services and interacting with the first service controller ;
  • the second sending unit is configured to send the first request to a first service controller; the first service controller is used for service processing based on a data channel;
  • the second receiving unit is further configured to receive first confirmation information from the first service controller, where the first confirmation information includes first information for establishing a data channel.
  • the embodiment of the present application also provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the steps of the method described in the first aspect or the second aspect of the embodiment of the present application are implemented .
  • the embodiment of the present application also provides a network device, including a memory, a processor, and a computer program stored in the memory and operable on the processor.
  • a network device including a memory, a processor, and a computer program stored in the memory and operable on the processor.
  • the processor executes the program, the implementation of the present application is realized. For example, the steps of the method described in the first aspect or the second aspect.
  • the first service controller receives a first request from the second service controller, and the first request is used to request establishment of a data channel; the first service controller receives a first request from the second service controller; A service controller is used for service processing based on data channels, and the second service controller is used for processing call services and interacting with the first service controller; the first service controller is based on the first request Obtain first information for establishing a data channel from the media server, and send first confirmation information to the second service controller, where the first confirmation information includes the first information.
  • DC data channel
  • IMS voice flow the establishment of the DC channel is realized on the basis of not affecting the IMS network.
  • FIG. 1 is a first schematic flow diagram of a method for establishing a channel according to an embodiment of the present application
  • FIG. 2 is a second schematic flow diagram of a method for establishing a channel in an embodiment of the present application
  • FIG. 3 is a third schematic flow diagram of a method for establishing a channel according to an embodiment of the present application.
  • FIG. 4 is a fourth schematic flow diagram of a method for establishing a channel according to an embodiment of the present application.
  • FIG. 5 is a first schematic diagram of an interaction process of a method for establishing a channel according to an embodiment of the present application
  • FIG. 6 is a second schematic diagram of the interaction process of the channel establishment method according to the embodiment of the present application.
  • FIG. 7 is a third schematic diagram of the interaction process of the channel establishment method according to the embodiment of the present application.
  • FIG. 8 is a schematic diagram 4 of the interactive flow of the channel establishment method according to the embodiment of the present application.
  • FIG. 9 is a first structural diagram of a service controller according to an embodiment of the present application.
  • FIG. 10 is a second schematic diagram of the composition and structure of the service controller in the embodiment of the present application.
  • FIG. 11 is a schematic diagram of a hardware structure of a network device according to an embodiment of the present application.
  • the WebRTC system architecture of the embodiment of the present application generally includes: a local network and a peer network, wherein the local network can also be called a local (Local) network or a calling network, and the peer network can also be called a remote network.
  • network, remote (Remote) network or called network Wherein, for example, for one side network (such as the local network or the peer network), it may include: a terminal, a border controller, a session controller, a basic service controller, a new service controller, and a new media server.
  • a terminal which may also be referred to as a terminal device or a communication device, etc., has the capability of registering and initiating and receiving fairy tales.
  • the border controller is used for border signaling control and media interaction between the terminal and the network.
  • the session controller has session request and routing capabilities.
  • the basic service controller is responsible for the control and negotiation of basic call services, and has the ability to exchange call/application events with the new service controller.
  • the new service controller is responsible for completing the new service control and media negotiation based on the DC channel, managing the media resources of the new media server, having the ability to interact with the basic service controller for call/application events, and to exchange media resources with the new media server ability.
  • the new media server is responsible for allocating and managing media resources, negotiating channel establishment with the new service controller, and so on.
  • the local network and the peer network may be respectively provided with new media servers, or the local network and the peer network may share the same new media server.
  • the new service controller in this embodiment can correspond to the data channel server (Data Channel Server), the data channel application repository (Data Channel Application Repository) and the offline program (Offline Procedures).
  • the new media server may correspond to the data channel server, that is to say, the data channel server may correspond to the new service controller and the new media server in the present application, and the data channel application repository may correspond to the new service control in the present application controller, the offline program may correspond to the new service controller in this application.
  • Fig. 1 is a schematic flow chart of a method for establishing a channel according to an embodiment of the present application; as shown in Fig. 1 , the method includes:
  • Step 101 the first service controller receives a first request from a second service controller, and the first request is used to request establishment of a data channel; the first service controller is used for service processing based on the data channel, and the second The second service controller is used for processing call services and interacting with the first service controller;
  • Step 102 The first service controller obtains first information for establishing a data channel from the media server based on the first request, and sends first confirmation information to the second service controller, and the first confirmation information includes the first information.
  • the channel establishment method in this embodiment is applied to the first service controller, and the first service controller is equivalent to the new service controller in the above system architecture example, or may also be called a data channel (DC) service controller;
  • the second service controller is equivalent to the basic service controller in the above system architecture example.
  • the media server is equivalent to the new media server in the above system architecture example.
  • the first information includes at least one of the following information: a data channel identifier, an Internet Protocol (IP) address related to the data channel, a port number related to the data channel, and transmission protocol information related to the data channel.
  • IP Internet Protocol
  • the establishment of the DC channel is realized on the basis of not affecting the IMS network, and a method based on the first service controller and the second
  • the interaction process between the service controller and the media server that is, the establishment of the DC channel and the transmission of media information based on the DC channel on the basis of the integration of the IMS call process, enhance the diversity of transmittable data types, and provide a basis for 5G calls based on this DC channel.
  • Business expansion provides network capabilities and foundations.
  • the first request comes from a first terminal device of the first network; the first service controller receives the request via a border controller, a session controller, and the second service controller A first request; the first information is used to establish a data channel between the first terminal device and the media server.
  • the first request for requesting to establish a data channel is initiated by the first terminal device of the first network (that is, the local network).
  • the first terminal device may serve as the calling device and initiate a call request, and the call request may carry the first request; the call request reaches the second service controller through the border controller and the session controller; If the second service controller has a call service processing function, the second service controller performs call service processing based on the call request, obtains the first request from the call request, and sends the first request to A first service controller.
  • the first request comes from a network device of the second network; the first service controller receives the first request through the second service controller; the first information It is used to establish a data channel between the first terminal device of the first network and the media server.
  • the first request for requesting to establish a data channel is initiated by a network device of the second network (that is, the peer network); the network device may be any network device in the second network, such as the first Second, the session controller in the network, the network device is not limited in this embodiment.
  • the network device sends the first request to the second service controller, and the second service controller sends the request to the first service controller.
  • the first service controller obtains first information for establishing a data channel from the media server based on the first request, and sends the first information to the second a service controller, wherein the second service controller sends the first information to the first terminal device through a first request response, thereby making the data between the first terminal device and the media server Channel establishment.
  • the method further includes: the first service controller sending address information of the first service controller to the media server. In order to complete the routing of later media subscriptions.
  • the method further includes:
  • Step 103 When the data channel has been established, the first service controller receives a second request, and the second request is used to request establishment of an application channel;
  • Step 104 The first service controller obtains second information for establishing an application channel from the media server based on the second request.
  • the above-mentioned data channel when the above-mentioned data channel has been established, it can be initiated by the terminal device of the first network or the network device of the second network, through the connection between the first service controller, the second service controller and the media server. The interaction between them establishes the application channel (Application channel).
  • Application channel Application channel
  • the second information includes at least one of the following information: an application channel flow identifier, an IP address related to the application channel, a port number related to the application channel, and transmission protocol information related to the application channel.
  • the second request comes from a first terminal device of the first network; the first service controller receives the second request via a border controller, a session controller, and the second service controller ;
  • the second information is used to establish an application channel between the first terminal device and the media server.
  • the second request for establishing the application channel between the first terminal device and the media server is initiated by the first terminal device of the first network (ie, the local network).
  • the first terminal device may serve as the calling device and initiate an application channel establishment request (that is, a second request), and the second request reaches the second service controller via the border controller and the session controller, and the second service
  • the controller sends the second request to the first service controller;
  • the second service controller may request an event notification message (or the first event notification message) through the application channel to send the second request to the first service controller controller.
  • the method further includes: the first service controller sends second confirmation information to the second service controller, and the second confirmation information includes the second information.
  • the second request for establishing the application channel between the first terminal device and the media server is from the first terminal device of the first network (ie, the local network)
  • the first service controller obtains second information for establishing an application channel from the media server based on the second request, it sends second confirmation information to the second service controller, and the second
  • the confirmation information is the confirmation of the above-mentioned first event notification message carrying the second request;
  • the second information can be sent to the second service controller through the second confirmation information, so that the subsequent second service The controller may feed back the second information to the first terminal device.
  • the second request comes from a network device of the second network; the second information is used to establish an application channel between the terminal device of the second network and the media server.
  • the second request for establishing the application channel between the first terminal device and the media server is initiated by a network device of the second network (that is, the peer network); the network device may It is any network device in the second network, for example, the second service controller in the second network, and the network device is not limited in this embodiment.
  • the method further includes: the first service controller obtains third information of the terminal equipment of the first network, and the third information is used to establish An application channel between a terminal device and the media server; the first service controller sends the third information to the media server; the first service controller sends the third information to a network device of the second network Three confirmation information, where the third confirmation information includes the second information.
  • the The first service controller obtains the third information of the terminal device in the first network by performing application channel negotiation with the terminal device in the first network.
  • the third information may be The relevant information of the terminal device in the first network is used to establish an application channel between the terminal device of the first network and the media server. Further, the first service controller sends the third information to the media server, so that the media server updates the information used to establish the application channel.
  • the first service controller sends third confirmation information to the network equipment of the second network, the third confirmation information includes the second information, and on the one hand informs the second information through the third confirmation information
  • the network device of the network that is, the peer network
  • the first network that is, the local network
  • the second information to the second network ( That is, the network device of the peer network), thereby enabling the establishment of the application channel between the second network and the media server.
  • Fig. 3 is a schematic flow diagram three of the channel establishment method of the embodiment of the present application; as shown in Fig. 3, the method includes:
  • Step 201 The second service controller receives the first request, and sends the first request to the first service controller; the first request is used to request the establishment of a data channel; the first service controller is used for data channel-based service processing, the second service controller is used to process call services and interact with the first service controller;
  • Step 202 The second service controller receives first confirmation information from the first service controller, where the first confirmation information includes first information for establishing a data channel.
  • the channel establishment method in this embodiment is applied to the second service controller, where the second service controller is equivalent to the basic service controller in the above system architecture example.
  • the first service controller is equivalent to the new service controller in the above example of system architecture, or may also be called a data channel (DC) service controller;
  • the media server is equivalent to the new media server in the above example of system architecture.
  • DC data channel
  • the first information includes at least one of the following information: a data channel identifier, an IP address related to the data channel, a port number related to the data channel, and transmission protocol information related to the data channel.
  • the first request comes from a first terminal device of the first network; the second service controller receives the first request via a border controller and a session controller; the first The information is used to establish a data channel between the first terminal device and the media server.
  • the first request for requesting to establish a data channel is initiated by the first terminal device of the first network (that is, the local network).
  • the first terminal device may serve as the calling device and initiate a call request, and the call request may carry the first request; the call request reaches the second service controller through the border controller and the session controller; If the second service controller has a call service processing function, the second service controller performs call service processing based on the call request, obtains the first request from the call request, and sends the first request to A first service controller.
  • the method further includes: the second service controller sends a first request response to the first terminal device, and the first request response is used to indicate that the first The request has been confirmed; the first information is included in the first request response.
  • the second service controller sends the The first information is sent to the first terminal device, and the first request response is an acknowledgment of the first request on the one hand, and the first information can be sent to the first terminal device through the first request response on the other hand.
  • a terminal device so as to establish a data channel between the first terminal device and the media server.
  • the method further includes: the second service controller negotiates information for establishing a data channel with a network device of the second network.
  • the second service controller may also communicate with the second network Negotiate the call with the network device and negotiate the information used to establish the data channel.
  • the first request comes from a network device of the second network; the first information is used to establish a data channel between the first terminal device of the first network and the media server.
  • the first request for requesting to establish a data channel is initiated by a network device of the second network (that is, the peer network); the network device may be any network device in the second network, such as the first Second, the session controller in the network, the network device is not limited in this embodiment.
  • the network device sends the first request to the second service controller, and the second service controller sends it to the first service controller, so that the first service controller can communicate with The media server performs channel negotiation, and obtains first information for establishing a data channel from the media server.
  • the method further includes: the second service controller sending the first information to the first terminal device, and receiving a fourth confirmation from the first terminal device information; the fourth confirmation information indicates that the first information used to establish the data channel has been confirmed; the second service controller sends a first request response to the network equipment of the second network, and the first request Acknowledgment is used to indicate that the first request has been confirmed.
  • the first request response includes relevant information used by the first terminal device to establish a data channel with the media server.
  • the method further includes:
  • Step 203 When the data channel has been established, the second service controller receives a second request, and sends the second request to the first service controller; the second request is used to request establishment An application channel, the second request comes from the first terminal device of the first network; the second service controller receives the second request via the border controller and the session controller.
  • the application can be performed through the interaction between the first service controller, the second service controller and the media server under the initiation of the first terminal device of the first network Channel (Application channel) establishment.
  • the second information includes at least one of the following information: an application channel flow identifier, an IP address related to the application channel, a port number related to the application channel, and transmission protocol information related to the application channel.
  • This embodiment is mainly aimed at the application scenario where the first terminal device on the first network (that is, the local network) initiates the establishment of the application channel. Specifically, the first terminal device sends the second request, and the border controller and the session controller make the second request. The second service controller receives the second request and sends it to the first service controller; further, the first service controller obtains second information for establishing an application channel from the media server based on the second request.
  • the method further includes: the second service controller receiving second confirmation information from the first service controller, the second confirmation information including second information, the The second information is used to establish an application channel between the first terminal device and the media server.
  • the method further includes: the second service controller sends a second request response to the first terminal device, and the second request response is used to indicate that the second The request has been confirmed; the second information is included in the second request response.
  • the second service controller sends the second information to the first terminal device through a second request response.
  • the second request response is an acknowledgment of the above-mentioned second request.
  • the second information may be sent to the first terminal device through a second request response, so as to establish an application channel between the first terminal device and the media server.
  • the method further includes: the second service controller negotiates information for establishing an application channel with a network device of the second network, and the information for establishing an application channel is used An application channel is established between the second terminal device of the second network and the media server.
  • the establishment of the DC channel is realized on the basis of not affecting the IMS network, and a method based on the first service controller and the second
  • the interaction process between the service controller and the media server that is, the establishment of the DC channel and the transmission of media information based on the DC channel on the basis of the integration of the IMS call process, enhance the diversity of transmittable data types, and provide a basis for 5G calls based on this DC channel.
  • Business expansion provides network capabilities and foundations.
  • a method for establishing an application channel is also proposed, which implements a mechanism in which the terminal initiates the establishment of an application channel to the network side or the network side to the terminal.
  • Fig. 5 is a schematic diagram of the first interaction flow of the channel establishment method of the embodiment of the present application; as shown in Fig. 5, the method includes:
  • Step 301 The local terminal device initiates a call and data channel establishment request, and the data channel establishment request is routed by the border controller to the session controller, and triggered to the second service controller by the session controller through user service verification.
  • the call and data channel establishment request includes a call request on the one hand and a data channel establishment request on the other hand.
  • the data channel establishment request is equivalent to the first request in the foregoing embodiment.
  • Step 302 The second service controller notifies the first service controller of the data channel establishment request through a data channel establishment request event.
  • the second service controller performs call service processing based on the call request, obtains the data channel establishment request from the call request, and sends the data channel establishment request to the first service controller.
  • Step 303 The first service controller performs business logic confirmation on the user based on the data channel establishment request, and after confirming that the user has opened a new business service (such as a DC service service), performs data channel negotiation with the media server to obtain a data channel identifier, Information such as the IP address related to the data channel, the port number related to the data channel, and the transmission protocol information related to the data channel.
  • a new business service such as a DC service service
  • the above-mentioned information such as the data channel identifier, the IP address related to the data channel, the port number related to the data channel, and the transmission protocol information related to the data channel are equivalent to the first information in the above embodiment.
  • Step 304 The first service controller and the media server exchange data channel media subscription information, specifically, inform the media server of the address information of the first service controller itself, so as to complete the subsequent media subscription routing.
  • Step 305 the first service controller sends a data channel establishment request event confirmation to the second service controller, so as to confirm the data channel establishment request.
  • the data channel establishment request event confirmation includes the first information.
  • Step 306 After the second service controller receives the data channel establishment request event confirmation from the first service controller, it triggers the data channel negotiation with the peer network device, so as to establish the data channel between the peer network devices through negotiation related information.
  • Step 307 The second service controller sends a call and data channel establishment confirmation message to the local terminal device, and the call and data channel establishment confirmation message is transmitted to the local terminal device through the session controller and the border controller.
  • the call and data channel establishment acknowledgment is equivalent to the first request response in the above embodiment, and the call and data channel establishment acknowledgment includes the first information.
  • the data channel may also be called a bootstrap channel.
  • Step 308 The call connection between the two ends is established.
  • FIG. 6 is a second schematic diagram of the interactive flow of the channel establishment method of the embodiment of the present application; as shown in FIG. 6, the method includes:
  • Step 401 The peer network device initiates a call and data channel establishment request to the second service controller, and the call and data channel establishment request is routed by the border controller to the session controller, and triggered by the session controller to the second service controller through user service verification.
  • Two business controllers Two business controllers.
  • the call and data channel establishment request includes a call request on the one hand and a data channel establishment request on the other hand.
  • the data channel establishment request is equivalent to the first request in the foregoing embodiment.
  • Step 402 the second service controller notifies the first service controller of the data channel establishment request through a data channel establishment request event.
  • the second service controller performs call service processing based on the call request, obtains the data channel establishment request from the call request, and sends the data channel establishment request to the first service controller.
  • Step 403 The first service controller performs business logic confirmation on the user based on the data channel establishment request, and after confirming that the user has opened a new business service (such as DC business service), performs data channel negotiation with the media server to obtain the data channel identifier, Information such as the IP address related to the data channel, the port number related to the data channel, and the transmission protocol information related to the data channel.
  • a new business service such as DC business service
  • the information such as the above-mentioned data channel identifier, the IP address related to the data channel, the port number related to the data channel, and the transmission protocol information related to the data channel is equivalent to the first information in the above-mentioned embodiment
  • Step 404 The first service controller and the media server exchange data channel media subscription information, specifically, inform the media server of the address information of the first service controller itself, so as to complete the subsequent media subscription routing.
  • Step 405 the first service controller sends a data channel establishment request event confirmation to the second service controller, so as to confirm the data channel establishment request.
  • the data channel establishment request event confirmation includes the first information.
  • Step 406 After the second service controller receives the confirmation of the data channel establishment request event from the first service controller, it triggers the data channel negotiation with the local terminal device, so as to establish the data channel between the local terminal devices through negotiation related information.
  • Step 407 The terminal device at the local end sends a data channel negotiation confirmation message to the second service controller to indicate that the data channel negotiation at the local end is completed.
  • the data channel negotiation confirmation message may include information used by the local terminal device to establish a connection with the media server.
  • Step 408 The second service controller sends a call and data channel establishment confirmation message to the peer network device, and the call and data channel establishment confirmation message includes information used by the local terminal device to establish a connection with the media server.
  • Step 409 The call connection between the two ends is established.
  • Fig. 7 is a schematic diagram of the interaction process III of the channel establishment method of the embodiment of the present application; as shown in Fig. 7, the method includes:
  • Step 501 The local terminal device initiates an application channel establishment request, and the application channel establishment request is routed by the border controller to the session controller, and then routed to the second service controller via the session controller.
  • the application channel establishment request is equivalent to the second request in the above embodiment.
  • Step 502 the second service controller reports the application channel establishment request to the first service controller.
  • the application channel establishment request may be reported to the first service controller through an application channel establishment request event notification.
  • Step 503 The first service controller negotiates with the media server on the application channel, and obtains the application channel flow identifier, the IP address related to the application channel, the port number related to the application channel, and the transmission protocol information related to the application channel.
  • the above-mentioned application channel flow identifier, IP address related to the application channel, port number related to the application channel, and transmission protocol information related to the application channel are equivalent to the second information in the above embodiment.
  • Step 504 the first service controller sends an application channel establishment request event confirmation message to the second service controller to confirm the application channel establishment request event notification.
  • the application channel establishment request event confirmation is equivalent to the second confirmation information in the above embodiment, and the application channel establishment request event confirmation includes the above second information.
  • Step 505 After receiving the application channel establishment request event confirmation message, the second service controller triggers the application channel negotiation with the peer network device, so as to obtain the relevant information for establishing the application channel of the peer device
  • Step 506 The second service controller sends an application channel establishment response to the local terminal device, and the application channel establishment response is sent to the local device via the session controller and the border controller.
  • the application channel establishment response is equivalent to the second request response in the above embodiment, and the application channel establishment response includes the above second information.
  • Fig. 8 is a schematic diagram 4 of the interactive flow of the channel establishment method of the embodiment of the present application; as shown in Fig. 8, the method includes:
  • Step 601 The peer network device initiates an application channel establishment request to the first service controller.
  • the application channel establishment request is equivalent to the second request in the above embodiment.
  • Step 602 The first service controller negotiates with the media server on the application channel, and obtains the application channel flow identifier, the IP address related to the application channel, the port number related to the application channel, and the transmission protocol information related to the application channel.
  • the above-mentioned application channel flow identifier, IP address related to the application channel, port number related to the application channel, and transmission protocol information related to the application channel are equivalent to the second information in the above embodiment.
  • Step 603 - Step 604 the first service controller performs application channel negotiation with the local terminal device, and the local terminal device sends an application channel negotiation confirmation to the first service controller.
  • the first service controller performs application channel negotiation with the local terminal device, and the first service controller obtains the third information of the terminal device of the first network, and the third information is used to establish the terminal device of the first network
  • the application channel with the media server; that is, the third information may be included in the application channel negotiation confirmation.
  • Step 605 The first service controller negotiates with the media server on updating the application channel, and updates the information about the application channel on the calling side to the media server.
  • the first service controller sends the third information to the media server, so that the media server updates the relevant information of the local network device used to establish the application channel.
  • Step 606 After receiving the application channel update confirmation message from the media server, the first service controller sends the application channel request confirmation message to the peer network device.
  • the application channel request confirmation message is equivalent to the third confirmation information in the above embodiment, and the application channel request confirmation message may include the second information.
  • an embodiment of the present application further provides a service controller, where the service controller is a first service controller.
  • Fig. 9 is a schematic diagram of the composition and structure of the service controller according to the embodiment of the present application; as shown in Fig. 9, the service controller includes: a first receiving unit 11, a first processing unit 12 and a first sending unit 13; wherein,
  • the first receiving unit 11 is configured to receive a first request from a second service controller, where the first request is used to request establishment of a data channel; the first service controller is used for service processing based on the data channel, so The second service controller is used for processing call services and interacting with the first service controller;
  • the first processing unit 12 is configured to obtain first information for establishing a data channel from a media server based on the first request;
  • the first sending unit 13 is configured to send first confirmation information to the second service controller, where the first confirmation information includes the first information.
  • the first request comes from the first terminal device of the first network; the first receiving unit 11 is configured to The controller receives the first request; the first information is used to establish a data channel between the first terminal device and the media server.
  • the first request comes from a network device of the second network; the first receiving unit 11 is configured to receive the first request via the second service controller; The first information is used to establish a data channel between the first terminal device on the first network and the media server.
  • the first information includes at least one of the following information: a data channel identifier, an IP address related to the data channel, a port number related to the data channel, and transmission protocol information related to the data channel.
  • the first sending unit 13 is further configured to send the address information of the first service controller to the media server.
  • the first receiving unit 11 is further configured to receive a second request when the data channel has been established, and the second request is used to request establishment of an application channel;
  • the first processing unit 12 is further configured to obtain second information for establishing an application channel from the media server based on the second request.
  • the second request comes from the first terminal device of the first network; the first receiving unit 11 is configured to The controller receives the second request; the second information is used to establish an application channel between the first terminal device and the media server.
  • the first sending unit 13 is further configured to send second confirmation information to the second service controller, where the second confirmation information includes the second information.
  • the second request is from a network device of the second network; the second information is used to establish an application channel between the terminal device of the second network and the media server .
  • the first receiving unit 11 is further configured to obtain third information of the terminal device of the first network, the third information is used to establish the terminal device of the first network an application channel with the media server;
  • the first sending unit 13 is further configured to send the third information to the media server; and is further configured to send third confirmation information to a network device of the second network, the third confirmation information including the Describe the second information.
  • the second information includes at least one of the following information: an application channel flow identifier, an IP address related to the application channel, a port number related to the application channel, and transmission protocol information related to the application channel.
  • the first processing unit 12 in the service controller can be composed of a central processing unit (CPU, Central Processing Unit), a digital signal processor (DSP, Digital Signal Processor), a micro control unit in practical applications (MCU, Microcontroller Unit) or programmable gate array (FPGA, Field-Programmable Gate Array) implementation;
  • the first receiving unit 11 and the first sending unit 13 in the service controller can pass the communication module in practical application (Including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.) and implementation of transceiver antenna.
  • an embodiment of the present application further provides a service controller, where the service controller is a second service controller.
  • FIG. 10 is a second schematic diagram of the composition and structure of the service controller according to the embodiment of the present application; as shown in FIG. 10 , the service controller includes: a second receiving unit 21 and a second sending unit 22; wherein,
  • the second receiving unit 21 is configured to receive a first request, and the first request is used for requesting establishment of a data channel; the second service controller is used for processing call services and communicating with the first service controller interact;
  • the second sending unit 22 is configured to send the first request to a first service controller; the first service controller is used for service processing based on a data channel;
  • the second receiving unit 21 is further configured to receive first confirmation information from the first service controller, where the first confirmation information includes first information for establishing a data channel.
  • the first request comes from a first terminal device of the first network; the second receiving unit 21 is configured to receive the first request via a border controller and a session controller ; The first information is used to establish a data channel between the first terminal device and the media server.
  • the second sending unit 22 is further configured to send a first request response to the first terminal device, and the first request response is used to indicate that the first request has been Acknowledgment; the first request response includes the first information.
  • the service controller further includes a second processing unit 23 configured to negotiate with a network device of the second network through the second sending unit 22 and the second receiving unit 21 Information used to establish a data channel.
  • the first request comes from a network device of the second network; the first information is used to establish a data channel between the first terminal device of the first network and the media server .
  • the second sending unit 22 is further configured to send the first information to the first terminal device
  • the second receiving unit 21 is further configured to receive fourth confirmation information from the first terminal device; the fourth confirmation information indicates that the first information for establishing a data channel has been confirmed;
  • the second sending unit 22 is further configured to send a first request response to a network device of the second network, where the first request response is used to indicate that the first request has been confirmed.
  • the first information includes at least one of the following information: a data channel identifier, an IP address related to the data channel, a port number related to the data channel, and transmission protocol information related to the data channel.
  • the second receiving unit 21 is further configured to receive a second request when the data channel has been established; the second request is used to request establishment of an application channel, The second request comes from the first terminal device of the first network; the second receiving unit 21 receives the second request via a border controller and a session controller;
  • the second sending unit 22 is further configured to send the second request to the first service controller.
  • the second receiving unit 21 is further configured to receive second confirmation information from the first service controller, where the second confirmation information includes second information, and the The second information is used to establish an application channel between the first terminal device and the media server.
  • the second sending unit 22 is further configured to send a second request response to the first terminal device, and the second request response is used to indicate that the second request has been Acknowledgment; the second request response includes the second information.
  • the second processing unit 23 in the service controller can be realized by CPU, DSP, MCU or FPGA in practical applications; the second receiving unit 21 and the second sending unit in the service controller 22. In practical applications, it can be realized through communication modules (including: basic communication suites, operating systems, communication modules, standardized interfaces and protocols, etc.) and transceiver antennas.
  • the service controller provided in the above embodiment establishes a channel
  • it only uses the division of the above-mentioned program modules as an example for illustration.
  • the above-mentioned processing allocation can be completed by different program modules as required That is, the internal structure of the service controller is divided into different program modules to complete all or part of the processing described above.
  • the service controller and the channel establishment method embodiment provided by the above embodiment belong to the same idea, and the specific implementation process is detailed in the method embodiment, and will not be repeated here.
  • FIG. 11 is a schematic diagram of a hardware structure of a network device according to an embodiment of the present application.
  • the network device includes a memory 32, a processor 31, and a computer program stored in the memory 32 and operable on the processor 31.
  • the processor 31 executes the program, it implements the steps of the channel establishment method applied to the first service controller or the second service controller in the embodiment of the present application.
  • the network device may further include one or more network interfaces 33 .
  • various components in the network device are coupled together through the bus system 34 .
  • the bus system 34 is used to realize connection and communication between these components.
  • the bus system 34 also includes a power bus, a control bus and a status signal bus.
  • the various buses are labeled as bus system 34 in FIG.
  • the memory 32 can be a volatile memory or a non-volatile memory, and can also include both volatile and non-volatile memories.
  • the non-volatile memory can be read-only memory (ROM, Read Only Memory), programmable read-only memory (PROM, Programmable Read-Only Memory), erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory) Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), Magnetic Random Access Memory (FRAM, Ferromagnetic Random Access Memory), Flash Memory (Flash Memory), Magnetic Surface Memory , CD, or CD-ROM (Compact Disc Read-Only Memory); magnetic surface storage can be disk storage or tape storage.
  • the volatile memory may be random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • RAM Random Access Memory
  • many forms of RAM are available, such as Static Random Access Memory (SRAM, Static Random Access Memory), Synchronous Static Random Access Memory (SSRAM, Synchronous Static Random Access Memory), Dynamic Random Access Memory Memory (DRAM, Dynamic Random Access Memory), synchronous dynamic random access memory (SDRAM, Synchronous Dynamic Random Access Memory), double data rate synchronous dynamic random access memory (DDRSDRAM, Double Data Rate Synchronous Dynamic Random Access Memory), enhanced Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), Synchronous Link Dynamic Random Access Memory (SLDRAM, SyncLink Dynamic Random Access Memory), Direct Memory Bus Random Access Memory (DRRAM, Direct Rambus Random Access Memory ).
  • the memory 32 described in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the methods disclosed in the foregoing embodiments of the present application may be applied to the processor 31 or implemented by the processor 31 .
  • the processor 31 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above method can be completed by an integrated logic circuit of hardware in the processor 31 or instructions in the form of software.
  • the aforementioned processor 31 may be a general processor, DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the processor 31 may implement or execute various methods, steps, and logic block diagrams disclosed in the embodiments of the present application.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the memory 32, and the processor 31 reads the information in the memory 32, and completes the steps of the foregoing method in combination with its hardware.
  • the network device may be implemented by one or more Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), Complex Programmable Logic Device (CPLD, Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, microprocessor (Microprocessor), or other electronic components are used to implement the aforementioned method.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Signal Processing Unit
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA general-purpose processor
  • controller MCU
  • microprocessor Microprocessor
  • the embodiment of the present application also provides a computer-readable storage medium, such as a memory 32 including a computer program, and the above-mentioned computer program can be executed by the processor 31 of the network device to complete the steps in the foregoing method.
  • the computer-readable storage medium can be memories such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; it can also be various devices including one or any combination of the above memories.
  • the computer-readable storage medium provided by the embodiment of the present application has a computer program stored thereon, and when the program is executed by the processor, the channel establishment method applied to the first service controller or the second service controller in the embodiment of the present application is implemented. A step of.
  • the disclosed devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division.
  • the coupling, or direct coupling, or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be electrical, mechanical or other forms of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units; Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, or each unit can be used as a single unit, or two or more units can be integrated into one unit; the above-mentioned integration
  • the unit can be realized in the form of hardware or in the form of hardware plus software functional unit.
  • the above-mentioned integrated units of the present application are realized in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.
  • the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes several instructions for Make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: various media capable of storing program codes such as removable storage devices, ROM, RAM, magnetic disks or optical disks.

Abstract

本申请实施例公开了一种通道建立方法、装置、网络设备和存储介质。所述方法包括：第一业务控制器接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；所述第一业务控制器基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息，向所述第二业务控制器发送第一确认信息，所述第一确认信息中包括所述第一信息。

Description

一种通道建立方法、装置、网络设备和存储介质
相关申请的交叉引用
本申请基于申请号为202110857978.X、申请日为2021年07月28日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以引入方式并入本申请。
技术领域
本申请涉及通信技术领域，具体涉及一种通道建立方法、装置、网络设备和存储介质。
背景技术
网页即时通信(WebRTC，Web Real-Time Communication)是一个支持通过浏览器进行实时音视频通话的应用程序编程接口(API，Application Programming Interface)。借助WebRTC，用户可以在基于开放标准的应用程序中添加实时通信功能。WebRTC数据通道(DC，Data Channels)是在两个浏览器之间进行音视频以及数据传输的架构，它可以实现在音视频通信过程中同步进行数据交换。
相关技术方案中，并未明确说明数据通道的建立机制，以及数据通道服务器(Data Channel Server)、数据通道应用存储库(Data Channel Application Repository)与IP多媒体子系统(IMS，IP Multimedia Subsystem)网元之间的交互机制。
发明内容
本申请实施例提供一种通道建立方法、装置、网络设备和存储介质。
本申请实施例的技术方案是这样实现的：
第一方面，本申请实施例提供了一种通道建立方法，所述方法包括：
第一业务控制器接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
所述第一业务控制器基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息，向所述第二业务控制器发送第一确认信息，所述第一确认信息中包括所述第一信息。
在一些可选实施例中，所述第一请求来自第一网络的第一终端设备；所述第一业务控制器经边界控制器、会话控制器和所述第二业务控制器接收所述第一请求；所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
在一些可选实施例中，所述第一请求来自第二网络的网络设备；所述第一业务控制器经所述第二业务控制器接收所述第一请求；所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
在一些可选实施例中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的互联网协议(IP)地址、数据通道相关的端口号、数据通道相关的传输协议信息。
在一些可选实施例中，所述方法还包括：所述第一业务控制器向所述媒体服务器发送所述第一业务控制器的地址信息。
在一些可选实施例中，所述方法还包括：在所述数据通道已建立的情况下，所述第一业务控制器接收第二请求，所述第二请求用于请求建立应用通道；
所述第一业务控制器基于所述第二请求从所述媒体服务器获得用于建 立应用通道的第二信息。
在一些可选实施例中，所述第二请求来自第一网络的第一终端设备；所述第一业务控制器经边界控制器、会话控制器和所述第二业务控制器接收所述第二请求；所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
在一些可选实施例中，所述方法还包括：所述第一业务控制器向所述第二业务控制器发送第二确认信息，所述第二确认信息中包括所述第二信息。
在一些可选实施例中，所述第二请求来自第二网络的网络设备；所述第二信息用于建立所述第二网络的终端设备与所述媒体服务器之间的应用通道。
在一些可选实施例中，所述方法还包括：所述第一业务控制器获得第一网络的终端设备的第三信息，所述第三信息用于建立所述第一网络的终端设备与所述媒体服务器之间的应用通道；
所述第一业务控制器向所述媒体服务器发送所述第三信息；
所述第一业务控制器向所述第二网络的网络设备发送第三确认信息，所述第三确认信息中包括所述第二信息。
在一些可选实施例中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号、应用通道相关的传输协议信息。
第二方面，本申请实施例还提供了一种通道建立方法，所述方法包括：
第二业务控制器接收第一请求，发送所述第一请求至第一业务控制器；所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
所述第二业务控制器接收来自所述第一业务控制器的第一确认信息，所述第一确认信息中包括用于建立数据通道的第一信息。
在一些可选实施例中，所述第一请求来自第一网络的第一终端设备；所述第二业务控制器经边界控制器和会话控制器接收所述第一请求；所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
在一些可选实施例中，所述方法还包括：所述第二业务控制器发送第一请求应答至所述第一终端设备，所述第一请求应答用于表示所述第一请求已确认；所述第一请求应答中包括所述第一信息。
在一些可选实施例中，所述方法还包括：所述第二业务控制器与第二网络的网络设备协商用于建立数据通道的信息。
在一些可选实施例中，所述第一请求来自第二网络的网络设备；所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
在一些可选实施例中，所述方法还包括：所述第二业务控制器向所述第一终端设备发送所述第一信息，接收来自所述第一终端设备的第四确认信息；所述第四确认信息表示用于建立数据通道的所述第一信息已确认；
所述第二业务控制器向所述第二网络的网络设备发送第一请求应答，所述第一请求应答用于表示所述第一请求已确认。
在一些可选实施例中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息。
在一些可选实施例中，所述方法还包括：在所述数据通道已建立的情况下，所述第二业务控制器接收第二请求，发送所述第二请求至所述第一业务控制器；所述第二请求用于请求建立应用通道，所述第二请求来自第一网络的第一终端设备；所述第二业务控制器经边界控制器和会话控制器 接收所述第二请求。
在一些可选实施例中，所述方法还包括：所述第二业务控制器接收来自所述第一业务控制器的第二确认信息，所述第二确认信息中包括第二信息，所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
在一些可选实施例中，所述方法还包括：所述第二业务控制器向所述第一终端设备发送第二请求应答，所述第二请求应答用于表示所述第二请求已确认；所述第二请求应答中包括所述第二信息。
在一些可选实施例中，所述方法还包括：所述第二业务控制器与第二网络的网络设备协商用于建立应用通道的信息，所述用于建立应用通道的信息用于建立所述第二网络的第二终端设备与所述媒体服务器之间的应用通道。
在一些可选实施例中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号、应用通道相关的传输协议信息。
第三方面，本申请实施例还提供了一种业务控制器，所述业务控制器为第一业务控制器；所述业务控制器包括：第一接收单元、第一处理单元和第一发送单元；其中，
所述第一接收单元，配置为接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
所述第一处理单元，配置为基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息；
所述第一发送单元，配置为向所述第二业务控制器发送第一确认信息， 所述第一确认信息中包括所述第一信息。
第四方面，本申请实施例还提供了一种业务控制器，所述业务控制器为第二业务控制器；所述业务控制器包括：第二接收单元和第二发送单元；其中，
所述第二接收单元，配置为接收第一请求，所述第一请求用于请求建立数据通道；所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
所述第二发送单元，配置为发送所述第一请求至第一业务控制器；所述第一业务控制器用于基于数据通道的业务处理；
所述第二接收单元，还配置为接收来自所述第一业务控制器的第一确认信息，所述第一确认信息中包括用于建立数据通道的第一信息。
第五方面，本申请实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现本申请实施例第一方面或第二方面所述方法的步骤。
第六方面，本申请实施例还提供了一种网络设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现本申请实施例第一方面或第二方面所述方法的步骤。
本申请实施例提供的通道建立方法、装置、网络设备和存储介质，第一业务控制器接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；所述第一业务控制器基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息，向所述第二业务控制器发送第一确认信息，所述第一确认信息中包括所述第一信息。通过本申请实施例的技术方案，通过数据通道(DC)技术与IMS话音流程相结合，在不影响IMS网络的基础上实 现了DC通道的建立。
附图说明
图1为本申请实施例的通道建立方法的流程示意图一；
图2为本申请实施例的通道建立方法的流程示意图二；
图3为本申请实施例的通道建立方法的流程示意图三；
图4为本申请实施例的通道建立方法的流程示意图四；
图5为本申请实施例的通道建立方法的交互流程示意图一；
图6为本申请实施例的通道建立方法的交互流程示意图二；
图7为本申请实施例的通道建立方法的交互流程示意图三；
图8为本申请实施例的通道建立方法的交互流程示意图四；
图9为本申请实施例的业务控制器的组成结构示意图一；
图10为本申请实施例的业务控制器的组成结构示意图二；
图11为本申请实施例的网络设备的硬件结构示意图。
具体实施方式
下面结合附图及具体实施例对本发明作进一步详细的说明。
本申请实施例的WebRTC的系统架构中，通常包括：本端网络和对端网络，其中，本端网络也可称为本地(Local)网络或主叫网络，对端网络也可称为远端网络、远程(Remote)网络或被叫网络。其中，示例性的，针对一侧网络(如本端网络或对端网络)，可包括：终端、边界控制器、会话控制器、基础业务控制器、新业务控制器和新媒体服务器。其中，终端，也可称为终端设备或通信设备等，具有注册和发起、接收童话的能力。边界控制器，用于终端与网络之间的边界信令控制和媒体交互。会话控制器作为会话管理设备，具备会话请求和路由能力。基础业务控制器，负责基础呼叫业务的控制与协商，并具备与新业务控制器交互呼叫/应用事件的能 力。新业务控制器，负责完成基于DC通道的新业务控制与媒体协商，对新媒体服务器进行媒体资源管理，具备与基础业务控制器交互呼叫/应用事件的能力，以及与新媒体服务器交互媒体资源的能力。新媒体服务器作为媒体承载设备，负责媒体资源分配和管理，和新业务控制器协商通道建立等等。
其中，示例性的，本端网络和对端网络可分别设置有新媒体服务器，或者本端网络和对端网络可共用相同的新媒体服务器。
与相关技术方案中的网元相比，本实施例中的新业务控制器，可以对应于数据通道服务器(Data Channel Server)、数据通道应用存储库(Data Channel Application Repository)以及离线程序(Offline Procedures)，新媒体服务器可以对应于数据通道服务器，也就是说，数据通道服务器可以对应于本申请中的新业务控制器和新媒体服务器，数据通道应用存储库可以对应于本申请中的新业务控制器，离线程序可以对应于本申请中的新业务控制器。
至少基于上述系统架构，提出本申请以下各实施例。
本申请实施例提供了一种通道建立方法。图1为本申请实施例的通道建立方法的流程示意图一；如图1所示，所述方法包括：
步骤101：第一业务控制器接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
步骤102：所述第一业务控制器基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息，向所述第二业务控制器发送第一确认信息，所述第一确认信息中包括所述第一信息。
本实施例的通道建立方法应用于第一业务控制器中，所述第一业务控 制器相当于上述系统架构示例中的新业务控制器，或者也可称为数据通道(DC)业务控制器；所述第二业务控制器相当于上述系统架构示例中的基础业务控制器。所述媒体服务器相当于上述系统架构示例中的新媒体服务器。
本实施例中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的互联网协议(IP)地址、数据通道相关的端口号、数据通道相关的传输协议信息。
通过本申请实施例的技术方案，通过数据通道(DC)技术与IMS话音流程相结合，在不影响IMS网络的基础上实现了DC通道的建立，并且提出了基于第一业务控制器、第二业务控制器以及媒体服务器的交互流程，即融合IMS呼叫流程的基础上实现DC通道的建立以及媒体信息基于DC通道的传输，增强了可传输数据类型的多样性，为基于此DC通道的5G通话业务扩展提供了网络能力和基础。
在一种可选实施例中，所述第一请求来自第一网络的第一终端设备；所述第一业务控制器经边界控制器、会话控制器和所述第二业务控制器接收所述第一请求；所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
本实施例中，用于请求建立数据通道的第一请求是由第一网络(即本端网络)的第一终端设备发起的。示例性的，第一终端设备可作为主叫设备，发起呼叫请求，所述呼叫请求中可携带所述第一请求；该呼叫请求经边界控制器和会话控制器到达第二业务控制器；所述第二业务控制器具有呼叫业务处理功能，则所述第二业务控制器基于所述呼叫请求进行呼叫业务处理，并从呼叫请求中获得所述第一请求，将所述第一请求发送至第一业务控制器。
在另一种可选实施例中，所述第一请求来自第二网络的网络设备；所 述第一业务控制器经所述第二业务控制器接收所述第一请求；所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
本实施例中，用于请求建立数据通道的第一请求是由第二网络(即对端网络)的网络设备发起的；所述网络设备可以是第二网络中的任一网络设备，例如第二网络中的会话控制器，本实施例中对网络设备不做限定。示例性的，网络设备发送第一请求至第二业务控制器，由所述第二业务控制器发送至所述第一业务控制器。
本实施例中，所述第一业务控制器基于所述第一请求从媒体服务器中获得用于建立数据通道的第一信息，通过第一确认信息将所述第一信息发送至所述第二业务控制器，由所述第二业务控制器通过第一请求应答将所述第一信息发送至所述第一终端设备，由此使得所述第一终端设备与所述媒体服务器之间的数据通道的建立。
在本申请的一些可选实施例中，所述方法还包括：所述第一业务控制器向所述媒体服务器发送所述第一业务控制器的地址信息。以便完成后期媒体订阅的路由。
基于上述实施例，如图2所示，在步骤101至步骤102的基础上，所述方法还包括：
步骤103：在所述数据通道已建立的情况下，所述第一业务控制器接收第二请求，所述第二请求用于请求建立应用通道；
步骤104：所述第一业务控制器基于所述第二请求从所述媒体服务器获得用于建立应用通道的第二信息。
本实施例中，在上述数据通道已建立的情况下，可在第一网络的终端设备或者第二网络的网络设备的发起下，通过第一业务控制器、第二业务控制器以及媒体服务器之间的交互进行应用通道(Application通道)的建立。
本实施例中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号、应用通道相关的传输协议信息。
作为一种实施方式，所述第二请求来自第一网络的第一终端设备；所述第一业务控制器经边界控制器、会话控制器和所述第二业务控制器接收所述第二请求；所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
本实施例中，用于建立所述第一终端设备与所述媒体服务器之间的应用通道的第二请求是由第一网络(即本端网络)的第一终端设备发起的。示例性的，第一终端设备可作为主叫设备，发起应用通道建立请求(即第二请求)，该第二请求经边界控制器和会话控制器到达第二业务控制器，所述第二业务控制器将第二请求发送至第一业务控制器；示例性的，所述第二业务控制器可通过应用通道请求事件通知消息(或第一事件通知消息)将第二请求发送至第一业务控制器。
在本申请的一些可选实施例中，所述方法还包括：所述第一业务控制器向所述第二业务控制器发送第二确认信息，所述第二确认信息中包括所述第二信息。
在本实施例中，也即在用于建立所述第一终端设备与所述媒体服务器之间的应用通道的第二请求是来自第一网络(即本端网络)的第一终端设备的场景下，所述第一业务控制器基于所述第二请求从所述媒体服务器获得用于建立应用通道的第二信息后，向所述第二业务控制器发送第二确认信息，所述第二确认信息一方面是对上述携带第二请求的第一事件通知消息的确认，另一方面可通过第二确认信息将所述第二信息发送至所述第二业务控制器，以便后续第二业务控制器可将第二信息反馈至第一终端设备。
作为另一种实施方式，所述第二请求来自第二网络的网络设备；所述 第二信息用于建立所述第二网络的终端设备与所述媒体服务器之间的应用通道。
本实施例中，用于建立所述第一终端设备与所述媒体服务器之间的应用通道的第二请求是由第二网络(即对端网络)的网络设备发起的；所述网络设备可以是第二网络中的任一网络设备，例如第二网络中的第二业务控制器，本实施例中对网络设备不做限定。
在本申请的一些可选实施例中，所述方法还包括：所述第一业务控制器获得第一网络的终端设备的第三信息，所述第三信息用于建立所述第一网络的终端设备与所述媒体服务器之间的应用通道；所述第一业务控制器向所述媒体服务器发送所述第三信息；所述第一业务控制器向所述第二网络的网络设备发送第三确认信息，所述第三确认信息中包括所述第二信息。
本实施例中，也即在用于建立所述第一终端设备与所述媒体服务器之间的应用通道的第二请求是来自第二网络(即对端网络)的网络设备的场景下，所述第一业务控制器通过与所述第一网络中的终端设备之间进行应用通道协商，获得所述第一网络中的终端设备的第三信息，示例性的，所述第三信息可以是所述第一网络中的终端设备的相关信息，用于建立所述第一网络的终端设备与所述媒体服务器之间的应用通道。进一步地，所述第一业务控制器向所述媒体服务器发送所述第三信息，以便所述媒体服务器对用于建立应用通道的信息进行更新。并且，所述第一业务控制器向所述第二网络的网络设备发送第三确认信息，所述第三确认信息中包括所述第二信息，一方面通过所述第三确认信息告知第二网络(即对端网络)的网络设备、第一网络(即本端网络)已准备好关于应用通道的建立，另一方面，将第二信息通过所述第三确认信息发送至第二网络(即对端网络)的网络设备，由此使得所述第二网络与所述媒体服务器之间的应用通道的建立。
基于上述实施例，本申请实施例还提供了一种通道建立方法。图3为本申请实施例的通道建立方法的流程示意图三；如图3所示，所述方法包括：
步骤201：第二业务控制器接收第一请求，发送所述第一请求至第一业务控制器；所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
步骤202：所述第二业务控制器接收来自所述第一业务控制器的第一确认信息，所述第一确认信息中包括用于建立数据通道的第一信息。
本实施例的通道建立方法应用于第二业务控制器中，所述第二业务控制器相当于上述系统架构示例中的基础业务控制器。所述第一业务控制器相当于上述系统架构示例中的新业务控制器，或者也可称为数据通道(DC)业务控制器；所述媒体服务器相当于上述系统架构示例中的新媒体服务器。
本实施例中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息。
在一种可选实施例中，所述第一请求来自第一网络的第一终端设备；所述第二业务控制器经边界控制器和会话控制器接收所述第一请求；所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
本实施例中，用于请求建立数据通道的第一请求是由第一网络(即本端网络)的第一终端设备发起的。示例性的，第一终端设备可作为主叫设备，发起呼叫请求，所述呼叫请求中可携带所述第一请求；该呼叫请求经边界控制器和会话控制器到达第二业务控制器；所述第二业务控制器具有呼叫业务处理功能，则所述第二业务控制器基于所述呼叫请求进行呼叫业务处理，并从呼叫请求中获得所述第一请求，将所述第一请求发送至第一 业务控制器。
在本申请的一些可选实施例中，所述方法还包括：所述第二业务控制器发送第一请求应答至所述第一终端设备，所述第一请求应答用于表示所述第一请求已确认；所述第一请求应答中包括所述第一信息。
本实施例中，在用于请求建立数据通道的第一请求是来自第一网络(即本端网络)的第一终端设备的场景下，所述第二业务控制器通过第一请求应答将所述第一信息发送至所述第一终端设备，所述第一请求应答一方面是对上述第一请求的确认，另一方面可通过第一请求应答将所述第一信息发送至所述第一终端设备，以便于建立第一终端设备与媒体服务器之间的数据通道。
可选地，所述方法还包括：所述第二业务控制器与第二网络的网络设备协商用于建立数据通道的信息。
本实施例中，同样在用于请求建立数据通道的第一请求是来自第一网络(即本端网络)的第一终端设备的场景下，所述第二业务控制器还可以与第二网络的网络设备进行呼叫协商，协商用于建立数据通道的信息。
在另一种可选实施例中，所述第一请求来自第二网络的网络设备；所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
本实施例中，用于请求建立数据通道的第一请求是由第二网络(即对端网络)的网络设备发起的；所述网络设备可以是第二网络中的任一网络设备，例如第二网络中的会话控制器，本实施例中对网络设备不做限定。示例性的，网络设备发送第一请求至第二业务控制器，由所述第二业务控制器发送至所述第一业务控制器，以便所述第一业务控制器基于所述第一请求与媒体服务器进行通道协商，并从媒体服务器获得用于建立数据通道的第一信息。
在本申请的一些可选实施例中，所述方法还包括：所述第二业务控制器向所述第一终端设备发送所述第一信息，接收来自所述第一终端设备的第四确认信息；所述第四确认信息表示用于建立数据通道的所述第一信息已确认；所述第二业务控制器向所述第二网络的网络设备发送第一请求应答，所述第一请求应答用于表示所述第一请求已确认。其中，示例性的，所述第一请求应答中包括所述第一终端设备用于与所述媒体服务器建立数据通道的相关信息。
基于上述实施例，在一种实施方式中，如图4所示，在步骤201至步骤202的基础上，所述方法还包括：
步骤203：在所述数据通道已建立的情况下，所述第二业务控制器接收第二请求，发送所述第二请求至所述第一业务控制器；所述第二请求用于请求建立应用通道，所述第二请求来自第一网络的第一终端设备；所述第二业务控制器经边界控制器和会话控制器接收所述第二请求。
本实施例中，在上述数据通道已建立的情况下，可在第一网络的第一终端设备的发起下，通过第一业务控制器、第二业务控制器以及媒体服务器之间的交互进行应用通道(Application通道)的建立。
本实施例中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号、应用通道相关的传输协议信息。
本实施例主要针对在第一网络(即本端网络)的第一终端设备发起应用通道建立的应用场景，具体通过第一终端设备发送第二请求，经边界控制器和会话控制器，使得第二业务控制器接收到该第二请求，并发送至第一业务控制器；进一步地，第一业务控制器基于所述第二请求从所述媒体服务器获得用于建立应用通道的第二信息。
在一些可选实施例中，所述方法还包括：所述第二业务控制器接收来 自所述第一业务控制器的第二确认信息，所述第二确认信息中包括第二信息，所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
在本申请的一些可选实施例中，所述方法还包括：所述第二业务控制器向所述第一终端设备发送第二请求应答，所述第二请求应答用于表示所述第二请求已确认；所述第二请求应答中包括所述第二信息。
本实施例中，第二业务控制器通过第二请求应答将所述第二信息发送至所述第一终端设备，一方面，所述第二请求应答是对上述第二请求的确认，另一方面，可通过第二请求应答将所述第二信息发送至所述第一终端设备，以便建立所述第一终端设备与所述媒体服务器之间的应用通道。
在本申请的一些可选实施例中，所述方法还包括：所述第二业务控制器与第二网络的网络设备协商用于建立应用通道的信息，所述用于建立应用通道的信息用于建立所述第二网络的第二终端设备与所述媒体服务器之间的应用通道。
通过本申请实施例的技术方案，通过数据通道(DC)技术与IMS话音流程相结合，在不影响IMS网络的基础上实现了DC通道的建立，并且提出了基于第一业务控制器、第二业务控制器以及媒体服务器的交互流程，即融合IMS呼叫流程的基础上实现DC通道的建立以及媒体信息基于DC通道的传输，增强了可传输数据类型的多样性，为基于此DC通道的5G通话业务扩展提供了网络能力和基础。另外还提出了应用通道建立的方法，实现了终端向网络侧或者网络侧向终端发起应用通道建立的实现机制。
下面结合具体的示例对本申请实施例的通道建立方法进行说明。
示例一
本示例是针对第一网络(即本端网络)的第一终端设备(本示例中简称为本端终端设备)发起的数据通道建立的具体示例，本示例中，第二网 络(即对端网络)的网络设备简称为对端网络设备。图5为本申请实施例的通道建立方法的交互流程示意图一；如图5所示，所述方法包括：
步骤301：本端终端设备发起呼叫与数据通道建立请求，所述数据通道建立请求由边界控制器路由到会话控制器，通过会话控制器经由用户业务验证触发至第二业务控制器。
其中，所述呼叫与数据通道建立请求一方面包括呼叫请求，另一方面包括数据通道建立请求。所述数据通道建立请求相当于上述实施例中的第一请求。
步骤302：第二业务控制器将数据通道建立请求通过数据通道建立请求事件通知给第一业务控制器。
这里，第二业务控制器基于所述呼叫请求进行呼叫业务处理，并从呼叫请求中获得所述数据通道建立请求，将所述数据通道建立请求发送至第一业务控制器。
步骤303：第一业务控制器基于所述数据通道建立请求对用户进行业务逻辑确认，确认用户已开通新业务服务(如DC业务服务)后，与媒体服务器进行数据通道协商，获得数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息等信息。
其中，上述数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息等信息相当于上述实施例中的第一信息。
步骤304：第一业务控制器与媒体服务器之间进行数据通道媒体订阅信息的交互，具体是将所述第一业务控制器自身的地址信息告知媒体服务器，以完成后期媒体订阅的路由。
步骤305：第一业务控制器向第二业务控制器发送数据通道建立请求事件确认，以对数据通道建立请求进行确认。
这里，所述数据通道建立请求事件确认中包括所述第一信息。
步骤306：第二业务控制器接收到第一业务控制器的数据通道建立请求事件确认后，即触发与对端网络设备的数据通道协商，以协商用于建立对端网络设备之间的数据通道的相关信息。
步骤307：所述第二业务控制器向所述本端终端设备发送呼叫与数据通道建立确认，所述呼叫与数据通道建立确认消息经由会话控制器，边界控制器传达至本端终端设备。
这里，所述呼叫与数据通道建立确认相当于上述实施例中的第一请求应答，所述呼叫与数据通道建立确认中包括所述第一信息。
至此，由本端终端设备发起的数据通道建立完成。在本申请各实施例中，所述数据通道也可称为bootstrap通道。
步骤308：两端通话连接建立。
示例二
本示例是针对第二网络(即对端网络)的网络设备(简称为对端网络设备)发起的数据通道建立的具体示例，本示例中，第一网络(即本端网络)的第一终端设备简称为本端终端设备。图6为本申请实施例的通道建立方法的交互流程示意图二；如图6所示，所述方法包括：
步骤401：对端网络设备向第二业务控制器发起呼叫与数据通道建立请求，所述呼叫与数据通道建立请求由边界控制器路由到会话控制器，通过会话控制器经由用户业务验证触发至第二业务控制器。
其中，所述呼叫与数据通道建立请求一方面包括呼叫请求，另一方面包括数据通道建立请求。所述数据通道建立请求相当于上述实施例中的第一请求。
步骤402：第二业务控制器将数据通道建立请求通过数据通道建立请求事件通知给第一业务控制器。
这里，第二业务控制器基于所述呼叫请求进行呼叫业务处理，并从呼叫请求中获得所述数据通道建立请求，将所述数据通道建立请求发送至第一业务控制器。
步骤403：第一业务控制器基于所述数据通道建立请求对用户进行业务逻辑确认，确认用户已开通新业务服务(如DC业务服务)后，与媒体服务器进行数据通道协商，获得数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息等信息。
其中，上述数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息等信息相当于上述实施例中的第一信息
步骤404：第一业务控制器与媒体服务器之间进行数据通道媒体订阅信息的交互，具体是将所述第一业务控制器自身的地址信息告知媒体服务器，以完成后期媒体订阅的路由。
步骤405：第一业务控制器向第二业务控制器发送数据通道建立请求事件确认，以对数据通道建立请求进行确认。
这里，所述数据通道建立请求事件确认中包括所述第一信息。
步骤406：第二业务控制器接收到第一业务控制器的数据通道建立请求事件确认后，即触发与本端终端设备的数据通道协商，以协商用于建立本端终端设备之间的数据通道的相关信息。
步骤407：本端终端设备向第二业务控制器发送数据通道协商确认消息，以表示本端数据通道协商完成。
这里，所述数据通道协商确认消息中可包括本端终端设备用于与媒体服务器建立连接的信息。
步骤408：第二业务控制器向对端网络设备发送呼叫与数据通道建立确认消息，所述呼叫与数据通道建立确认消息中包括本端终端设备用于与媒 体服务器建立连接的信息。
至此，由对端网络设备发起的数据通道建立完成。
步骤409：两端通话连接建立。
示例三
本示例是针对第一网络(即本端网络)的第一终端设备(本示例中简称为本端终端设备)发起的应用通道建立的具体示例，本示例中，第二网络(即对端网络)的网络设备简称为对端网络设备。本示例的前提均为数据通道已建立。图7为本申请实施例的通道建立方法的交互流程示意图三；如图7所示，所述方法包括：
步骤501：本端终端设备发起应用通道建立请求，所述应用通道建立请求由边界控制器路由到会话控制器，经由会话控制器路由到第二业务控制器。
这里，所述应用通道建立请求相当于上述实施例中的第二请求。
步骤502：第二业务控制器将应用通道建立请求上报到第一业务控制器。示例性的，所述应用通道建立请求可通过应用通道建立请求事件通知上报到第一业务控制器。
步骤503：第一业务控制器与媒体服务器进行应用通道协商，获得应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号以及应用通道相关的传输协议信息。
其中，上述应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号以及应用通道相关的传输协议信息相当于上述实施例中的第二信息。
步骤504：第一业务控制器向第二业务控制器发送应用通道建立请求事件确认消息，以对应用通道建立请求事件通知进行确认。
这里，所述应用通道建立请求事件确认相当于上述实施例中的第二确 认信息，所述应用通道建立请求事件确认中包括上述第二信息。
步骤505：第二业务控制器收到应用通道建立请求事件确认消息后，触发与对端网络设备的应用通道协商，以获得对端设备的用于建立应用通道的相关信息
步骤506：第二业务控制器向本端终端设备发送应用通道建立应答，应用通道建立应答经由会话控制器、边界控制器发送至本端设备。
这里，所述应用通道建立应答相当于上述实施例中的第二请求应答，所述应用通道建立应答中包括上述第二信息。
至此，由本端终端设备发起的应用通道建立完成。
示例四
本示例是针对第二网络(即对端网络)的网络设备(简称为对端网络设备)发起的应用通道建立的具体示例，本示例中，第一网络(即本端网络)的第一终端设备简称为本端终端设备。本示例的前提均为数据通道已建立。图8为本申请实施例的通道建立方法的交互流程示意图四；如图8所示，所述方法包括：
步骤601：对端网络设备发起应用通道建立请求到第一业务控制器。
这里，所述应用通道建立请求相当于上述实施例中的第二请求。
步骤602：第一业务控制器与媒体服务器进行应用通道协商，获得应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号以及应用通道相关的传输协议信息。
其中，上述应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号以及应用通道相关的传输协议信息相当于上述实施例中的第二信息。
步骤603-步骤604：第一业务控制器与本端终端设备进行应用通道协商，本端终端设备向第一业务控制器发送应用通道协商确认。
这里，第一业务控制器与本端终端设备进行应用通道协商，第一业务控制器获得第一网络的终端设备的第三信息，所述第三信息用于建立所述第一网络的终端设备与所述媒体服务器之间的应用通道；即所述应用通道协商确认中可包括所述第三信息。
步骤605：第一业务控制器与媒体服务器进行应用通道更新协商，将主叫侧的应用通道相关信息更新至媒体服务器。
这里，所述第一业务控制器将所述第三信息发送至媒体服务器，以使所述媒体服务器对用于建立应用通道的本端网络设备的相关信息进行更新。
步骤606：第一业务控制器收到媒体服务器的应用通道更新确认消息后，发送应用通道请求确认消息至对端网络设备。
这里，所述应用通道请求确认消息相当于上述实施例中的第三确认信息，所述应用通道请求确认消息中可包括所述第二信息。
至此，由对端网络设备发起的应用通道建立完成。
基于上述实施例，本申请实施例还提供了一种业务控制器，所述业务控制器为第一业务控制器。图9为本申请实施例的业务控制器的组成结构示意图一；如图9所示，所述业务控制器包括：第一接收单元11、第一处理单元12和第一发送单元13；其中，
所述第一接收单元11，配置为接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
所述第一处理单元12，配置为基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息；
所述第一发送单元13，配置为向所述第二业务控制器发送第一确认信 息，所述第一确认信息中包括所述第一信息。
在本申请的一些可选实施例中，所述第一请求来自第一网络的第一终端设备；所述第一接收单元11，配置为经边界控制器、会话控制器和所述第二业务控制器接收所述第一请求；所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
在本申请的一些可选实施例中，所述第一请求来自第二网络的网络设备；所述第一接收单元11，配置为经所述第二业务控制器接收所述第一请求；所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
在本申请的一些可选实施例中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息。
在本申请的一些可选实施例中，所述第一发送单元13，还配置为向所述媒体服务器发送所述第一业务控制器的地址信息。
在本申请的一些可选实施例中，所述第一接收单元11，还配置为在所述数据通道已建立的情况下，接收第二请求，所述第二请求用于请求建立应用通道；
所述第一处理单元12，还配置为基于所述第二请求从所述媒体服务器获得用于建立应用通道的第二信息。
在本申请的一些可选实施例中，所述第二请求来自第一网络的第一终端设备；所述第一接收单元11，配置为经边界控制器、会话控制器和所述第二业务控制器接收所述第二请求；所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
在本申请的一些可选实施例中，所述第一发送单元13，还配置为向所述第二业务控制器发送第二确认信息，所述第二确认信息中包括所述第二 信息。
在本申请的一些可选实施例中，所述第二请求来自第二网络的网络设备；所述第二信息用于建立所述第二网络的终端设备与所述媒体服务器之间的应用通道。
在本申请的一些可选实施例中，所述第一接收单元11，还配置为获得第一网络的终端设备的第三信息，所述第三信息用于建立所述第一网络的终端设备与所述媒体服务器之间的应用通道；
所述第一发送单元13，还配置为向所述媒体服务器发送所述第三信息；还配置为向所述第二网络的网络设备发送第三确认信息，所述第三确认信息中包括所述第二信息。
在本申请的一些可选实施例中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号、应用通道相关的传输协议信息。
本申请实施例中，所述业务控制器中的第一处理单元12，在实际应用中可由中央处理器(CPU，Central Processing Unit)、数字信号处理器(DSP，Digital Signal Processor)、微控制单元(MCU，Microcontroller Unit)或可编程门阵列(FPGA，Field－Programmable Gate Array)实现；所述业务控制器中的第一接收单元11和第一发送单元13，在实际应用中可通过通信模组(包含：基础通信套件、操作系统、通信模块、标准化接口和协议等)及收发天线实现。
基于上述实施例，本申请实施例还提供了一种业务控制器，所述业务控制器为第二业务控制器。图10为本申请实施例的业务控制器的组成结构示意图二；如图10所示，所述业务控制器包括：第二接收单元21和第二发送单元22；其中，
所述第二接收单元21，配置为接收第一请求，所述第一请求用于请求 建立数据通道；所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
所述第二发送单元22，配置为发送所述第一请求至第一业务控制器；所述第一业务控制器用于基于数据通道的业务处理；
所述第二接收单元21，还配置为接收来自所述第一业务控制器的第一确认信息，所述第一确认信息中包括用于建立数据通道的第一信息。
在本申请的一些可选实施例中，所述第一请求来自第一网络的第一终端设备；所述第二接收单元21，配置为经边界控制器和会话控制器接收所述第一请求；所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
在本申请的一些可选实施例中，所述第二发送单元22，还配置为发送第一请求应答至所述第一终端设备，所述第一请求应答用于表示所述第一请求已确认；所述第一请求应答中包括所述第一信息。
在本申请的一些可选实施例中，所述业务控制器还包括第二处理单元23，配置为通过所述第二发送单元22和所述第二接收单元21与第二网络的网络设备协商用于建立数据通道的信息。
在本申请的一些可选实施例中，所述第一请求来自第二网络的网络设备；所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
在本申请的一些可选实施例中，所述第二发送单元22，还配置为向所述第一终端设备发送所述第一信息；
所述第二接收单元21，还配置为接收来自所述第一终端设备的第四确认信息；所述第四确认信息表示用于建立数据通道的所述第一信息已确认；
所述第二发送单元22，还配置为向所述第二网络的网络设备发送第一请求应答，所述第一请求应答用于表示所述第一请求已确认。
在本申请的一些可选实施例中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息。
在本申请的一些可选实施例中，所述第二接收单元21，还配置为在所述数据通道已建立的情况下，接收第二请求；所述第二请求用于请求建立应用通道，所述第二请求来自第一网络的第一终端设备；所述第二接收单元21经边界控制器和会话控制器接收所述第二请求；
所述第二发送单元22，还配置为发送所述第二请求至所述第一业务控制器。
在本申请的一些可选实施例中，所述第二接收单元21，还配置为接收来自所述第一业务控制器的第二确认信息，所述第二确认信息中包括第二信息，所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
在本申请的一些可选实施例中，所述第二发送单元22，还配置为向所述第一终端设备发送第二请求应答，所述第二请求应答用于表示所述第二请求已确认；所述第二请求应答中包括所述第二信息。
本申请实施例中，所述业务控制器中的第二处理单元23，在实际应用中可由CPU、DSP、MCU或FPGA实现；所述业务控制器中的第二接收单元21和第二发送单元22，在实际应用中可通过通信模组(包含：基础通信套件、操作系统、通信模块、标准化接口和协议等)及收发天线实现。
需要说明的是：上述实施例提供的业务控制器在进行通道建立时，仅以上述各程序模块的划分进行举例说明，实际应用中，可以根据需要而将上述处理分配由不同的程序模块完成，即将业务控制器的内部结构划分成不同的程序模块，以完成以上描述的全部或者部分处理。另外，上述实施例提供的业务控制器与通道建立方法实施例属于同一构思，其具体实现过 程详见方法实施例，这里不再赘述。
本申请实施例还提供了一种网络设备，所述网络设备具体可以是前述实施例中的第一业务控制器和第二业务控制器。图11为本申请实施例的网络设备的硬件结构示意图，如图11所示，所述网络设备包括存储器32、处理器31及存储在存储器32上并可在处理器31上运行的计算机程序，所述处理器31执行所述程序时实现本申请实施例前述应用于第一业务控制器或第二业务控制器中的通道建立方法的步骤。
可选地，网络设备中还可包括一个或多个网络接口33。可以理解，网络设备中的各个组件通过总线系统34耦合在一起。可理解，总线系统34用于实现这些组件之间的连接通信。总线系统34除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图11中将各种总线都标为总线系统34。
可以理解，存储器32可以是易失性存储器或非易失性存储器，也可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(ROM，Read Only Memory)、可编程只读存储器(PROM，Programmable Read-Only Memory)、可擦除可编程只读存储器(EPROM，Erasable Programmable Read-Only Memory)、电可擦除可编程只读存储器(EEPROM，Electrically Erasable Programmable Read-Only Memory)、磁性随机存取存储器(FRAM，Ferromagnetic Random Access Memory)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(CD-ROM，Compact Disc Read-Only Memory)；磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(RAM，Random Access Memory)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(SRAM，Static Random Access Memory)、同步静态随机存取存储器(SSRAM，Synchronous Static Random Access Memory)、 动态随机存取存储器(DRAM，Dynamic Random Access Memory)、同步动态随机存取存储器(SDRAM，Synchronous Dynamic Random Access Memory)、双倍数据速率同步动态随机存取存储器(DDRSDRAM，Double Data Rate Synchronous Dynamic Random Access Memory)、增强型同步动态随机存取存储器(ESDRAM，Enhanced Synchronous Dynamic Random Access Memory)、同步连接动态随机存取存储器(SLDRAM，SyncLink Dynamic Random Access Memory)、直接内存总线随机存取存储器(DRRAM，Direct Rambus Random Access Memory)。本申请实施例描述的存储器32旨在包括但不限于这些和任意其它适合类型的存储器。
上述本申请实施例揭示的方法可以应用于处理器31中，或者由处理器31实现。处理器31可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器31中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器31可以是通用处理器、DSP，或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器31可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤，可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中，该存储介质位于存储器32，处理器31读取存储器32中的信息，结合其硬件完成前述方法的步骤。
在示例性实施例中，网络设备可以被一个或多个应用专用集成电路(ASIC，Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD，Programmable Logic Device)、复杂可编程逻辑器件(CPLD，Complex Programmable Logic Device)、FPGA、通用处理器、控制器、MCU、微处理器(Microprocessor)、或其他电子元件实现，用于执行前述方法。
在示例性实施例中，本申请实施例还提供了一种计算机可读存储介质，例如包括计算机程序的存储器32，上述计算机程序可由网络设备的处理器31执行，以完成前述方法所述步骤。计算机可读存储介质可以是FRAM、ROM、PROM、EPROM、EEPROM、Flash Memory、磁表面存储器、光盘、或CD-ROM等存储器；也可以是包括上述存储器之一或任意组合的各种设备。
本申请实施例提供的计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现本申请实施例前述应用于第一业务控制器或第二业务控制器中的通道建立方法的步骤。
本申请所提供的几个方法实施例中所揭露的方法，在不冲突的情况下可以任意组合，得到新的方法实施例。
本申请所提供的几个产品实施例中所揭露的特征，在不冲突的情况下可以任意组合，得到新的产品实施例。
本申请所提供的几个方法或设备实施例中所揭露的特征，在不冲突的情况下可以任意组合，得到新的方法实施例或设备实施例。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分 或全部单元来实现本实施例方案的目的。
另外，在本申请各实施例中的各功能单元可以全部集成在一个处理单元中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
或者，本申请上述集成的单元如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机、服务器、或者网络设备等)执行本申请各个实施例所述方法的全部或部分。而前述的存储介质包括：移动存储设备、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (27)

  1. 一种通道建立方法，所述方法包括：
    第一业务控制器接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
    所述第一业务控制器基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息，向所述第二业务控制器发送第一确认信息，所述第一确认信息中包括所述第一信息。
  2. 根据权利要求1所述的方法，其中，所述第一请求来自第一网络的第一终端设备；所述第一业务控制器经边界控制器、会话控制器和所述第二业务控制器接收所述第一请求；
    所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
  3. 根据权利要求1所述的方法，其中，所述第一请求来自第二网络的网络设备；所述第一业务控制器经所述第二业务控制器接收所述第一请求；
    所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
  4. 根据权利要求1所述的方法，其中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的互联网协议IP地址、数据通道相关的端口号、数据通道相关的传输协议信息。
  5. 根据权利要求1所述的方法，其中，所述方法还包括：
    所述第一业务控制器向所述媒体服务器发送所述第一业务控制器的地址信息。
  6. 根据权利要求1至5任一项所述的方法，其中，所述方法还包括：
    在所述数据通道已建立的情况下，所述第一业务控制器接收第二请求，所述第二请求用于请求建立应用通道；
    所述第一业务控制器基于所述第二请求从所述媒体服务器获得用于建立应用通道的第二信息。
  7. 根据权利要求6所述的方法，其中，所述第二请求来自第一网络的第一终端设备；所述第一业务控制器经边界控制器、会话控制器和所述第二业务控制器接收所述第二请求；
    所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
  8. 根据权利要求7所述的方法，其中，所述方法还包括：
    所述第一业务控制器向所述第二业务控制器发送第二确认信息，所述第二确认信息中包括所述第二信息。
  9. 根据权利要求6所述的方法，其中，所述第二请求来自第二网络的网络设备；
    所述第二信息用于建立所述第二网络的终端设备与所述媒体服务器之间的应用通道。
  10. 根据权利要求9所述的方法，其中，所述方法还包括：
    所述第一业务控制器获得第一网络的终端设备的第三信息，所述第三信息用于建立所述第一网络的终端设备与所述媒体服务器之间的应用通道；
    所述第一业务控制器向所述媒体服务器发送所述第三信息；
    所述第一业务控制器向所述第二网络的网络设备发送第三确认信息，所述第三确认信息中包括所述第二信息。
  11. 根据权利要求6所述的方法，其中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端 口号、应用通道相关的传输协议信息。
  12. 一种通道建立方法，所述方法包括：
    第二业务控制器接收第一请求，发送所述第一请求至第一业务控制器；所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
    所述第二业务控制器接收来自所述第一业务控制器的第一确认信息，所述第一确认信息中包括用于建立数据通道的第一信息。
  13. 根据权利要求12所述的方法，其中，所述第一请求来自第一网络的第一终端设备；所述第二业务控制器经边界控制器和会话控制器接收所述第一请求；
    所述第一信息用于建立所述第一终端设备与所述媒体服务器之间的数据通道。
  14. 根据权利要求13所述的方法，其中，所述方法还包括：
    所述第二业务控制器发送第一请求应答至所述第一终端设备，所述第一请求应答用于表示所述第一请求已确认；所述第一请求应答中包括所述第一信息。
  15. 根据权利要求13所述的方法，其中，所述方法还包括：
    所述第二业务控制器与第二网络的网络设备协商用于建立数据通道的信息。
  16. 根据权利要求12所述的方法，其中，所述第一请求来自第二网络的网络设备；
    所述第一信息用于建立第一网络的第一终端设备与所述媒体服务器之间的数据通道。
  17. 根据权利要求16所述的方法，其中，所述方法还包括：
    所述第二业务控制器向所述第一终端设备发送所述第一信息，接收来自所述第一终端设备的第四确认信息；所述第四确认信息表示用于建立数据通道的所述第一信息已确认；
    所述第二业务控制器向所述第二网络的网络设备发送第一请求应答，所述第一请求应答用于表示所述第一请求已确认。
  18. 根据权利要求12所述的方法，其中，所述第一信息包括以下至少一种信息：数据通道标识、数据通道相关的IP地址、数据通道相关的端口号、数据通道相关的传输协议信息。
  19. 根据权利要求12至18任一项所述的方法，其中，所述方法还包括：
    在所述数据通道已建立的情况下，所述第二业务控制器接收第二请求，发送所述第二请求至所述第一业务控制器；所述第二请求用于请求建立应用通道，所述第二请求来自第一网络的第一终端设备；所述第二业务控制器经边界控制器和会话控制器接收所述第二请求。
  20. 根据权利要求19所述的方法，其中，所述方法还包括：
    所述第二业务控制器接收来自所述第一业务控制器的第二确认信息，所述第二确认信息中包括第二信息，所述第二信息用于建立所述第一终端设备与所述媒体服务器之间的应用通道。
  21. 根据权利要求20所述的方法，其中，所述方法还包括：
    所述第二业务控制器向所述第一终端设备发送第二请求应答，所述第二请求应答用于表示所述第二请求已确认；所述第二请求应答中包括所述第二信息。
  22. 根据权利要求20所述的方法，其中，所述方法还包括：
    所述第二业务控制器与第二网络的网络设备协商用于建立应用通道的信息，所述用于建立应用通道的信息用于建立所述第二网络的第二终端设 备与所述媒体服务器之间的应用通道。
  23. 根据权利要求20所述的方法，其中，所述第二信息包括以下至少一种信息：应用通道流标识、应用通道相关的IP地址、应用通道相关的端口号、应用通道相关的传输协议信息。
  24. 一种业务控制器，所述业务控制器为第一业务控制器；所述业务控制器包括：第一接收单元、第一处理单元和第一发送单元；其中，
    所述第一接收单元，配置为接收来自第二业务控制器的第一请求，所述第一请求用于请求建立数据通道；所述第一业务控制器用于基于数据通道的业务处理，所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
    所述第一处理单元，配置为基于所述第一请求从媒体服务器获得用于建立数据通道的第一信息；
    所述第一发送单元，配置为向所述第二业务控制器发送第一确认信息，所述第一确认信息中包括所述第一信息。
  25. 一种业务控制器，所述业务控制器为第二业务控制器；所述业务控制器包括：第二接收单元和第二发送单元；其中，
    所述第二接收单元，配置为接收第一请求，所述第一请求用于请求建立数据通道；所述第二业务控制器用于对呼叫业务的处理以及与所述第一业务控制器的交互；
    所述第二发送单元，配置为发送所述第一请求至第一业务控制器；所述第一业务控制器用于基于数据通道的业务处理；
    所述第二接收单元，还配置为接收来自所述第一业务控制器的第一确认信息，所述第一确认信息中包括用于建立数据通道的第一信息。
  26. 一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现权利要求1至11任一项所述方法的步骤；或者，
    该程序被处理器执行时实现权利要求12至23任一项所述方法的步骤。
  27. 一种网络设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现权利要求1至11任一项所述方法的步骤；或者，所述处理器执行所述程序时实现权利要求12至23任一项所述方法的步骤。
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