KR100280130B1 - How to create your own conference in a multipoint access controller - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a method for generating a self conference in a multipoint access control apparatus.

2. The technical problem to be solved by the invention

The present invention provides a natural conference by allowing all conference setting methods to be implemented by creating a conference by itself in a multipoint connection control system without requiring a client to create a conference in a multipoint access control unit (MCU). To provide a way to create your own meetings to enable participation, invitations, and closures.

3. Summary of Solution to Invention

The present invention includes a first step in which a device controller for controlling a multi-point connection controller requests creation of a conference to a general conference control providing unit to generate a conference in the multi-point connection controller by itself; After the general conference control provider configures a profile for the conference and forms a multipoint conference area, the second step of accessing the multipoint conference area and subscribing to the user identification channel and the broadcast channel for data communication with clients ; And a third step in which the general conference control provider informs the device controller of the conference creation.

4. Important uses of the invention

The present invention is used for multi-point multimedia conference service.

Description

How to create your own conference in a multipoint access controller

The present invention allows all conference setting methods to be implemented by creating a conference in a multipoint access control unit (MCU), which is essential for providing a multi-point conference service without requiring a client to create a conference. The present invention relates to a method for creating a conference, which can naturally create, join, invite, and close a conference.

Multi-point access control unit (MCU) is an essential element that plays a role of server for multimedia service between multi-points, receives, processes, and redistributes each user's video, audio and data. Perform all functions related to setting up, canceling, and controlling conferences.

The International Telecommunication Union (ITU-T) Recommendation T.120 Series defines a data protocol for multimedia conferencing services and consists of the infrastructure for communication and the application protocols that use it. Here, the infrastructure for communication provides a reliable data transfer function between the multi-point, T.124 general conference control (hereinafter referred to as GCC), T.122 / 125 multi-point communication service (Multipoint It consists of three standardized layers: Communication Service (hereinafter referred to as MCS) and Network Specific Transport Protocols (hereinafter referred to as T.123).

GCC provides a mechanism to control multipoint meetings, including the ability to create a meeting to create a new meeting, join a meeting to join an ongoing meeting, and invite meeting participants to invite other participants to an ongoing meeting. (Invite) function, conference query function to get the conference information in progress, conference disconnect from the conference, and conference terminate function to terminate the whole conference.

In addition, GCC uses the Conference Profile and the Conference Roster in relation to ongoing meetings, including data chat, file transfer, whiteboard, and application sharing. Responsible for creating and removing Application Roster and Application Registry to support data collaboration, etc., and manage these databases during the conference for all nodes participating in the conference. .

Such an object that provides GCC functionality is called a GCC provider.

MCS defines how to deliver data accurately and efficiently to multiple attendees in meetings, and provides area management, channel management, data delivery management, and token management. Specifically, it is as follows.

First, the MCS collects point-to-point transport connections provided by the lower layer to form a multi-point conference area (MCS Domain) to register MCS users in this area.

The MCS then joins the MCS user to the appropriate channel in order to exchange data in various forms among the users in the area. And, when the data is sent from several places at the same time with the Simple Send function, which is a point-to-point and point-to-multipoint data transmission, all receivers deliver the same order. Provides uniformly sequenced send. It also provides a means for mutually exclusive use of resources.

The object providing the MCS function is called an MCS provider.

MCS wants a lower layer network protocol that is reliable, sequential, and flow control capable, and for this purpose, the Transmission Control Protocol and the Internet Protocol (TCP / IP) Use a protocol.

In order for MCS to run over TCP / IP, the T.123 protocol exists between MCS and TCP / IP and supports functions for establishing a connection to TCP / IP, sending and receiving data, and disconnecting.

There are largely meeting setting using MCU, meet-me method, call-out method, and call-through method.

First, look at the Meet-me method, the meeting is created in the MCU (M), other clients join the meeting created in the MCU (Join). Here, the meeting is generated by the MCU itself, or by the client that first made a meeting creation request to the MCU.

Next, looking at the call-out method, the meeting is created in the MCU itself, and other clients are invited to the meeting created in the MCU.

Finally, looking at the call-through method, the meeting is created in the MCU at the request of the client, and other clients are invited to the meeting created in the MCU.

As mentioned above, the International Telecommunications Union (ITU-T) T.124 GCC Recommendation has previously been concerned with the control of conferences in a multipoint access control unit (MCU), which is conventionally required to provide multi-point multimedia conference services. Although the procedure for creating meetings by request is defined, the procedure for creating meetings in MCU is not defined. Therefore, the Meet-me method or the Call-out method could not be fully implemented.

Accordingly, clients cannot join a meeting created in the MCU in the conference setup implemented in the call-through method, and only an invitation is possible.

Therefore, by creating a conference on its own within a MCU that satisfies the content of ITU-T's T.124 GCC Recommendations without requiring the client to create a conference, all conference setup methods can be implemented, creating a natural conference creation, participation, invitation, and There is a need for a way to enable termination.

The present invention devised to meet the above-described demands, the present invention, in the system for providing a multi-point multimedia conferencing service in the multi-point access control unit (MCU) by creating a conference by itself without creating a meeting request of the client, It is an object of the present invention to provide a method for creating a conference, and a computer-readable recording medium recording a program for realizing the conference.

1 is an exemplary configuration of a multi-point connection control device (MCU) to which the present invention is applied.

2 is a flow diagram of an embodiment of a method for generating a self-meeting in a multipoint access control unit (MCU) in accordance with the present invention.

* Explanation of symbols for the main parts of the drawings

11: T.122 / 125 Multipoint Communication Service (MCS) Provider

12: General Conference Control (GCC) Provider in T.124

13: Multipoint Access Control Unit (MCU) Control Program

In order to achieve the above object, the present invention provides a conference creation method applied to a multi-point multimedia conference providing system, wherein the multi-point connection control device is used to generate a conference in itself in a multi-point connection controller (MCU). A first step of the device control means for controlling the request to create a meeting by the general meeting control (GCC) providing means; After the general conference control providing means forms a profile for the conference, forms a multipoint conference area, and accesses the multipoint conference area to subscribe to the user identification number channel and the broadcast channel for data communication with clients. Two steps; And a third step of said general conference control providing means informing the device control means of creating a conference.

In addition, the present invention is to provide a multi-point multi-point multimedia conference providing system having a processor, the apparatus control means for controlling the multi-point connection control device in order to create a conference itself in the multi-point connection control device (MCU) Requesting to create a meeting by means of providing general meeting control (GCC); After the general conference control providing means forms a profile for the conference and forms a multipoint conference area, accesses the multipoint conference area and subscribes to a user identification number channel and a broadcast channel for data communication with clients. ; And a computer readable recording medium having recorded thereon a program for realizing a function of informing the conference generating means of the conference control providing means to the device control means.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary configuration diagram of a multi-point connection controller (MCU) to which the present invention is applied.

The multi-point access controller (MCU) to which the present invention is applied is composed of an MCU control program 13, a GCC provider 12 providing a GCC function, and an MCS provider 11 providing an MCS function for generating a conference. do.

In order to create a conference in itself in the MCU, the following primitives must be provided between the MCU control program 13, the GCC provider 12, and the MCS provider 11 in order.

In order to create a conference in itself, the MCU control program 13 controlling the MCU first transmits a conference creation request primitive (GCC-Conference-Create.request) 101 to the GCC provider 12.

Thereafter, after the GCC provider 12 configures a conference profile for the conference characteristic, the MCS provider 11 generates an MCS domain for an MCS connection with the clients. When the MCS domain creation request primitive (MCS-Create-Domain.request) 102 is transmitted to the MCS domain 11, the MCS provider 11 that has generated the MCS domain sends an MCS domain creation confirmation primitive (MCS-Create-Domain.request) to the GCC provider 12. .confirm) (103).

Next, when the MCS domain is created and the GCC provider 12 sends the MCS domain access request primitive (MCS-Attach-User.request) 104 to the MCS provider 11 to access the MCS domain, the MCS provider ( 11) connects the GCC provider 12 to the MCS domain and assigns an MCS user identification number (ID), and then, via the MCS domain access confirmation primitive (MCS-Attach-User.confirm) 105, the GCC provider 12 Inform)

Subsequently, the GCC provider 12 accessing the MCS domain receives an MCS channel join request primitive (MCS-Channel-Join.request) from the MCS provider 11 to subscribe to a user ID channel allocated by the GCC provider 12. 106), the MCS provider 11 subscribes the GCC provider 12 to the user ID channel and then sends it to the GCC provider (MCS-Channel-Join.confirm) 107 via the MCS channel subscription confirmation primitive (107). 12)

Subsequently, the GCC provider 12 subscribing to the user ID channel transmits an MCS channel subscription request primitive (MCS-Channel-Join.request) 108 to the MCS provider 11 to subscribe to the broadcast channel again. After joining the GCC provider 12 to the user broadcast channel, the MCS provider 12 notifies the GCC provider 12 through the MCS channel subscription confirmation primitive (MCS-Channel-Join.confirm) 109.

Finally, the GCC provider 12 determines that the meeting has been created by itself through the primitives 102 to 109, and controls the MCU through the meeting creation confirmation primitive (GCC-Conference-Create.confirm) 110. Notified to the program 13.

2 is a flow diagram of an embodiment of a method for generating a self-meeting in a multipoint access control unit (MCU) in accordance with the present invention.

As shown in FIG. 2, the self-conference creation method for generating a conference by itself without requiring a client to create a conference in the MCU, first, the MCU control program 13 requests a conference creation request primitive (GCC-Conference-Create.request). (101) is transmitted to the GCC provider 12 (201).

Thereafter, after the GCC provider 12 configures a conference profile for the conference characteristics, the MCS domain is created to create an MCS domain for MCS connection with clients who want to attend the conference. When the request primitive (MCS-Create-Domain.request) 102 is sent to the MCS provider 11 (202), the MCS domain creation confirmation primitive (MCS-Create-) after creating the MCS domain in the MCS provider 11 Inform the GCC provider 12 via Domain.confirm) (103) (203).

Next, when the MCS domain is created and the GCC provider 12 sends the MCS domain access request primitive (MCS-Attach-User.request) 104 to the MCS provider 11 to access the MCS domain (204), After the GCC provider 12 connects the GCC provider 12 to the MCS domain and assigns an MCS user ID to the GCC provider's MCS domain connection request, the MCS domain access confirmation primitive (MCS-Attach-User.confirm) ( Notify GCC provider 12 via 105).

Subsequently, the GCC provider 12 accessing the MCS domain requests to join the MCS channel with the MCS provider 11 in order to subscribe to a user ID channel assigned to it among the MCS channels for data communication with the clients. When the primitive (MCS-Channel-Join.request) 106 is transmitted (206), the MCS provider 11 joins the GCC provider 12 to the user ID channel, and when the user ID channel subscription is completed, the MCS channel is completed. Notify GCC provider 12 via subscription confirmation primitive (MCS-Channel-Join.confirm) 107 (207).

Subsequently, the GCC provider 12 subscribing to the user ID channel receives an MCS channel join request primitive (MCS-Channel-Join. 1) to the MCS provider 11 to subscribe to the broadcast channel again for data communication with the clients. request (108), the MCS provider 11 subscribes the GCC provider 12 to the broadcast channel, and when the broadcast channel subscription is completed, the MCS channel subscription confirmation primitive (MCS-Channel-Join. confirm 109 to the GCC provider 12 (209).

Finally, the GCC provider 12 configures a conference profile for the conference to be created in the GCC, forms an MCS domain, and then connects to the domain to subscribe to the user ID channel and broadcast channel to establish data communication with the clients. When it is ready to do so, it determines that the meeting has been created by itself and informs the MCU control program 13 of this fact via the meeting creation confirmation primitive (GCC-Conference-Create.confirm) 110 (210).

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains, and the above-described embodiments and accompanying It is not limited to the drawing.

As described above, the present invention provides a method for generating a conference by itself without requiring a client to create a conference in an MCU essential for providing a multimedia conference service between multi-points. All meeting setup methods using the MCUs described in the 124 GCC Recommendations can be implemented, resulting in the ability to create, join, invite, and close meetings naturally.

Claims (5)

In the conference generation method applied to the multi-point multimedia conference providing system, A first step of the device control means for controlling the multipoint connection control device requesting the creation of a conference to a general conference control (GCC) providing means to create a conference in itself in the multipoint connection controller (MCU); After the general conference control providing means forms a profile for the conference, forms a multipoint conference area, and accesses the multipoint conference area to subscribe to the user identification number channel and the broadcast channel for data communication with clients. Two steps; And A third step of the general conference control providing means notifying the device control means of creating a conference How to create your own meeting, including. The method of claim 1, The general conference control providing means, Practically, create meetings to create new meetings, join to join in-progress meetings, invite invite to invite other participants to ongoing meetings, and conferences to get ongoing meeting information. General Conference Control in ITU-T Recommendation T.124, which provides query functionality, the ability to disconnect from a meeting, and the ability to terminate the meeting in progress. Self-meeting creation method characterized in that the provider. The method according to claim 1 or 2, The second step, After the general conference control providing means configures a conference profile for conference characteristics, a multipoint conference area creation request message (MCS Domain) for generating a multipoint conference area (MCS Domain) for connecting with a multipoint conference with clients who want to attend the conference ( When MCS-Create-Domain.request is transmitted to the multipoint conference (MCS) providing means, after the multipoint conference providing means creates the multipoint conference area, the multipoint conference area creation confirmation message (MCS-Create- A fourth step of informing the general conference control providing means through Domain.confirm); If the general conference control providing means transmits a multipoint conference area access request message (MCS-Attach-User.request) to the multipoint conference providing means to access the multipoint conference area, the multipoint conference providing means After the general conference control providing means is connected to the multipoint conference area and assigned a multipoint conference user identification number, the general conference control providing means via a multipoint conference area access confirmation message (MCS-Attach-User.confirm). A fifth step of notifying with; When the general conference control providing means transmits a multipoint conference channel join request message (MCS-Channel-Join.request) to the multipoint conference providing means to subscribe to the user identification number channel, the multipoint conference providing means A sixth step of joining the general conference control providing means to the user identification number channel and informing the general conference control providing means through a multipoint conference channel subscription confirmation message (MCS-Channel-Join.confirm); And If the general conference control providing means transmits a multipoint conference channel join request message (MCS-Channel-Join.request) to the multipoint conference providing means to subscribe to a broadcast channel, the multipoint conference providing means is configured to the general conference. A seventh step of subscribing the control providing means to the broadcasting channel and informing the general conference control providing means through a multipoint conference channel subscription confirmation message (MCS-Channel-Join.confirm); How to create your own meeting, including. The method of claim 3, wherein The multi-point conference (MCS) providing means, The point-to-point transport connections provided by the lower layers are gathered to form a multipoint conference area to register multipoint conference users and to exchange data in various forms among the users in the area. It is a simple send function that delivers data in the form of point-to-point and point-to-multipoint, and all recipients are sent in the same order when data is sent from multiple locations at the same time. A method for creating a self-conference, characterized by providing a uniformly sequenced send function that can be received and providing mutually exclusive use of resources. In the multi-point multimedia conference providing system having a processor, A function of the device control means for controlling the multipoint connection controller to request creation of a conference with a general conference control (GCC) providing means, in order to create a conference in itself in the multipoint connection controller (MCU); After the general conference control providing means forms a profile for the conference and forms a multipoint conference area, accesses the multipoint conference area and subscribes to a user identification number channel and a broadcast channel for data communication with clients. ; And The general conference control providing means for notifying the device control means of creating a conference A computer-readable recording medium having recorded thereon a program for realizing this.