Distributed computing environment

• US 20010052008A1
• Filed: 02/16/2001
• Published: 12/13/2001
• Est. Priority Date: 03/28/2000
• Status: Active Grant

• Current Assignee: Cybernet Systems Corporation
• Original Assignee: Cybernet Systems Corporation
• Inventors: Jacobus, Charles J.
• Granted Patent: US 8,463,839 B2
• Time in Patent Office: Days
• US Class Current: 709/223
• CPC Class Codes: H04L 12/18 for broadcast or conference , e.g. multicast
• CPC Class Codes: H04L 12/1818 Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties
• CPC Class Codes: H04L 12/185 with management of multicast group membership
• CPC Class Codes: H04L 45/00 Routing or path finding of packets in data switching networks routing or path finding in wireless networks H04W40/00
• CPC Class Codes: H04L 45/851 Dynamic network selection or re-selection, e.g. after degradation of quality
• CPC Class Codes: H04L 67/131 Protocols for games, networked simulations or virtual reality
• CPC Class Codes: H04L 67/63 Routing a service request depending on the request content or context
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A method is described which allows a very large (greater than 100,000) number of applications to communicate logically through a many-to-many multicast cloud on the common carrier Internet efficiently by exploiting characteristics of the applications'"'"' data streams which allow substantial message culling as well as more standard routing optimization (conventional multicast and optimization standard to normal Internet routing systems). The method describes the function and type of three types of systems which operate together to implement the method. The first is a network enabled client application, such as a distributed simulation or game, which joins an application cloud or federation and communicates its internal state changes into the cloud via a communication applications programming interface. The second is a lobby manager or broker which accepts entry into a communication cloud or federation and provides information to the federation and the client application for establishing communications between them. And third, is a applications-specific routing system which provides the normal function of routing packets between Internet hosts (client applications running on these hosts), but also allows the routing functions to affected by modules in the router which are associated with the distributed application or simulation being implemented. These application “personalized” routing modules implement substantial application-specific message culling through message omission, rerouting, and other quality of service modifications to substantially reduce overall federation communication traffic and at the same time still effectively implement a point-to-multipoint distributed communications model between clients.

Claims

1. A distributed network computing environment, comprising:

a plurality of clients communicating within a multicast cloud using a stream-specific behavior to implement a groupware application; and

one or more network routing modules or router embedded applets operative to support the stream-specific behavior in addition to normal packet-routing.

2. The environment of

claim 1

, wherein the application is a distributed simulation or game.

3. The environment of

claim 1

, wherein the application is a client selectable and controllable data service associated with the distribution of audio, video, or other digital signal stream.

4. The environment of

claim 1

, wherein the clients enter, leave, and interact with the cloud through a lobby manager.

5. The environment of

claim 4

, wherein the lobby manager is further operative to validate the application in terms of compatibility and download data to correct for deficiencies.

6. The environment of

claim 4

, wherein the lobby manager is further operative to simultaneous support multiple clouds through multicast or replicated unicast protocols.

7. The environment of

claim 1

, wherein the routing modules implement application-specific message culling to reduce client-cloud communications.

8. The environment of

claim 7

, wherein the message culling includes message omission, rerouting, and other quality-of-service modifications.

9. The environment of

claim 7

, wherein the application communicates internal state changes into the cloud through an API.

10. The environment of

claim 1

, wherein the application is a massive groupware application involving thousands of world-wide participants.

11. A distributed network computing environment, comprising:

a network-enabled client application;

at least one lobby manager that facilitates communications between the client application and a federation; and

one or more network routing modules or router embedded applets that implement application-specific message culling to reduce the communications with the federation.

12. The environment of

claim 11

, wherein the application is a distributed simulation.

13. The environment of

claim 11

, wherein the application is a game.

14. The environment of

claim 11

, wherein the application is a client selectable and controllable data service.

15. The environment of

claim 14

, wherein the data service includes audio, video, or other type of digital signal feed.

16. The environment of

claim 11

, wherein the routing modules further support a point-to-multipoint distributed communications model between clients.

17. The environment of

claim 11

, wherein:

at least some of the client applications run on host platforms; and

the routing modules further support conventional internet packet routing among the hosts.

18. The environment of

claim 11

, wherein the routing modules further support one or more conventional multicast protocols.

19. The environment of

claim 11

, wherein the application communicates internal state changes into the federation through an API.

20. The environment of

claim 11

, wherein the message culling includes message omission, rerouting, and other quality-of-service modifications.

21. The environment of

claim 11

, wherein the lobby manager is further operative to validate the client application for compatibility with the federation and download data to correct for deficiencies.

22. The environment of

claim 11

, wherein the lobby manager is further operative to simultaneous process multiple federations.

23. The environment of

claim 22

, wherein the federations communicate through multicast or replicated unicast protocols.