Methods, systems and program products for connecting users to operating nodes

• US 9,210,200 B1
• Filed: 02/15/2010
• Issued: 12/08/2015
• Est. Priority Date: 02/15/2010
• Status: Active Grant

• Current Assignee: Iocom UK Limited
• Original Assignee: inSORS Integrated Communications, Inc.
• Inventors: Chapweske, Adam, Colovic, Andrija, Swanson, Jon
• Primary Examiner(s): Nguyen, Minh-Chau
• Application Number:
  US12/705,894
• Time in Patent Office: 2,122 Days
• Field of Search: 709203-204, 709/226, 709/229
• US Class Current: 1/1
• CPC Class Codes: H04L 12/1827 Network arrangements for conference optimisation or adaptation
• CPC Class Codes: H04L 2101/663 Transport layer addresses, e.g. aspects of transmission control protocol [TCP] or user datagram protocol [UDP] ports
• CPC Class Codes: H04L 61/2517 using port numbers
• CPC Class Codes: H04L 65/403 Arrangements for multi-party communication, e.g. for conferences data switching systems for conference H04L12/18; arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities H04M3/56; television conferencing systems H04N7/15
• CPC Class Codes: H04L 65/4038 with floor control
• CPC Class Codes: H04N 21/4788 communicating with other users, e.g. chatting arrangements for providing for computer conferences, e.g. chat rooms, to substation in data switching networks H04L12/1813; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 7/152 Multipoint control units therefor

Abstract

A videoconference server for use with a videoconference system in which a plurality of users communicate video and audio data to each other, including at least one server external port, at least one resource distribution node operating on the server and having at least first and second internal ports, the first internal port in communication with the server external port, at least one operating node including at least one internal port which is in communication with the resource distribution node second internal port, and wherein the resource distribution node is configured to receive a request from a user over the server external port, the request for establishing a connection with the operating node, wherein the resource distribution node is configured to pass the connection with the server external port to the operating node to thereby establish a virtual connection between the user and the operating node using the server external port for communication of videoconference related data.

Claims

1. A single videoconference server for use with a videoconference system in which a plurality of users communicate video and audio data to each other, the single server comprising;

at least one physical server external port;

at least one resource distribution node operating on the single server and having at least a first internal port in communication with said physical server external port;

a plurality of operating nodes operating on the single server and including at least one internal port which is in communication with the resource distribution node, and

said resource distribution node being configured to receive a request for establishing a connection with one of the plurality of operating nodes from a user over the physical server external port, and when said request is received, establishing a virtual connection between the user and one of the plurality of operating nodes using the physical server external port for communication of videoconference related data, wherein the only connection between the user and said operating node is through the physical server external port in communication with said resource distribution node and through said resource distribution node, and the resource distribution node is configured to pass connections among the plurality of operating nodes on the single server based upon selection criteria.

2. The single videoconference server of claim 1 wherein the single server has exactly one physical server external port configured to receive videoconference-related data.

3. The videoconference server of claim 2 wherein the plurality of operating comprises at least one being a conference bridge that connects different users to one another for communicating streaming videoconference data to one another, at least one being a recorder for recording video data communicated during a conference, and at least one being an entertainment application.

4. The videoconference server of claim 1 further comprising an operating system embedded on a tangible memory in said single server, wherein a forwarding construct embedded in said operating system facilitates the passing of the connection.

5. The videoconference server of claim 4 wherein said operating system is Linux and said forwarding construct is a “

Send Message”

API, and wherein said request is a request to connect to a videoconference bridge operating node.

6. The videoconference server of claim 1 wherein at least one of said plurality of operating nodes is a videoconference bridge node, and wherein said resource distribution node has at least a second internal port that is in communication with the videoconference bridge node first internal port.

7. The videoconference server of claim 1 wherein said connection being passed is a connection established using TCP protocol.

8. The videoconference server of claim 1 wherein:

said plurality of operating nodes comprises a plurality of redundant operating nodes, each of which is suitable to execute said request;

if said request identifies one of said operating node as its destination, said resource distribution node passes its connection to said identified operating node; and

if said request does not identify one of said plurality of operating nodes as its destination said resource distribution node applies the selection criteria to select one of said plurality of redundant operating nodes to pass its connection to.

9. The videoconference server of claim 1 wherein said resource distribution node and said operating node are assigned the same security privileges whereby each of the resource distribution node and operating node can permit connection transfers to the user in response to a user request.

10. The videoconference server of claim 1 wherein at least one of said resource distribution node and said operating node internal ports are domain sockets.

11. The videoconference server of claim 1 wherein the request communicated from the user includes a unique operating node ID, and wherein the operating node corresponds to the received operating node ID.

12. A computer program product for establishing a connection between a user and an operating node included within a single videoconference server, the single videoconference server further comprising a resource distribution node, the program product comprising executable instructions stored on a non-transitory tangible medium, the instructions when executed causing the resource distribution node to perform steps comprising:

accepting an incoming connection request from the user communicated from a first server external port, thereby establishing a connection between the user and the resource distribution node over the first server external port;

receiving videoconference-related data over the connection;

determining whether said videoconference-related data identifies one of a plurality of operating nodes maintained on the server as its destination; and

,

if such said destination is identified, transferring the connection between the user and the resource distribution node to a modified connection between the user and one of the plurality of operating nodes selected by the resource distribution node according to selection criteria, whereby the selected one of the plurality of operating nodes communicates with the user over the first physical server external port, wherein the only connection between the user and said selected one of the plurality of operating nodes is through said resource distribution node.

13. The computer program product of claim 12 wherein the modified connection is established by using a Send Message API to pass connection data to an internal port of the selected one of the operating nodes, and wherein the selected one of the operating nodes uses a Receive Message API to receive connection data sent from the resource distribution node.

14. The computer program product of claim 13 wherein said operating node internal port is a domain socket.

15. The computer program product of claim 13 wherein the connection data includes a file descriptor.

16. The computer program product of claim 12 wherein the program product further causes the resource distribution node to use the selection criteria to select one of the plurality of operating nodes on the server when the resource distribution node determines that the videoconference related data does not identify one of the plurality of operating nodes.

17. The computer program product of claim 16 wherein the selection criteria includes one or more of amount of available memory resources and amount of available processor resources.

18. The computer program product of claim 12 wherein said step of transferring the connection is performed by the following steps:

extracting a unique operating node identifier from the videoconference-related data;

selecting one of the plurality of operating nodes with the corresponding operating node identifier; and

constructing the modified connection between the resource distribution node and the selected one of the plurality of operating nodes.

19. The computer program product of claim 12 wherein at least one of the plurality of operating nodes is a videoconference bridge node, and wherein an internal port is designated on the at least one of the plurality of operating nodes to receive data on the modified connection.

20. A single videoconference server for use with a videoconference system in which a plurality of users communicate video and audio data to each other, comprising;

at least one physical server external port;

at least one resource distribution node operating on the single video conference server and having at least a first domain socket, the first domain socket in communication with said physical server external port;

at least two videoconference bridge operating nodes each including at least one domain socket,

wherein said resource distribution node is configured to receive a first request from a first user over the physical server external port, the request for establishing a connection with a videoconference bridge operating node, wherein the resource distribution node is configured to apply selection criteria to determine the most suitable of said at least two videoconference bridge operating nodes to connect said first user to, and to pass the connection with the physical server external port to the selected videoconference bridge operating node using said videoconference bridge domain socket to thereby establish a virtual connection between the user and the selected videoconference bridge operating node using the physical server external port for communication of videoconference related data, wherein the only connection between the user and said operating node is through said resource distribution node, and

wherein said resource distribution node is configured to receive a second request from a second user to connect to a videoconference bridge operating node, said second request including an identifier that designates said selected videoconference bridge operating node, said resource distribution node passing its connection to said selected videoconference bridge operating node using said selected videoconference bridge operating node domain socket and without performing the step of using selection criteria to select said selected videoconference bridge operating node.