System and method for propagating data

• US 20040243721A1
• Filed: 05/27/2003
• Published: 12/02/2004
• Est. Priority Date: 05/27/2003
• Status: Active Grant

• Current Assignee: Harris Corporation (L3Harris Technologies, Inc.)
• Original Assignee: Harris Corporation (L3Harris Technologies, Inc.)
• Inventors: Stultz, Robert D., Hamilton, John A., Overturf, John D., Whedbee, Kenneth C. Jr.
• Granted Patent: US 7,707,315 B2
• Time in Patent Office: Days
• US Class Current: 709/246
• CPC Class Codes: H04L 67/1095 Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04L 67/61 taking into account QoS or priority requirements
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A system and method for propagating data commutates data from different data sources into a data stream based on a commutation format. The data is received and decommutated to replicate the data. The commutation format can be changed for prioritizing different data from the data sources.

Claims

1. A system for propagating data comprising:

a commutation engine for commutating data from different data sources into a data stream based on a commutation format;

a decommutation engine for receiving the data stream, decommutating the data and replicating the data; and

a commutation database having commutation format definitions operative with the commutation and decommutation engines for changing the commutation format and prioritizing different data to be commutated and replicated.

2. A system according to claim 1, and further comprising a database for storing sampled data from different data sources from which data is commutated.

3. A system according to claim 1, and further comprising a commutation format generator operative with the commutation database for updating the commutation database with a new commutation format.

4. A system according to claim 1, wherein said commutation database stores multiple commutation format definitions to be used with multiple receivers.

5. A system according to claim 1, wherein the commutation format is changed based on a change in environment effecting the data stream.

6. A system according to claim 1, wherein the commutation format is changed based on a change in priority of data.

7. A system according to claim 1, wherein the commutation format is changed based on changing data requirements at a receiver.

8. A system according to claim 1, wherein a change in commutation format is initiated by a receiver.

9. A system according to claim 1, wherein a change in commutation format is initiated by a transmitter.

10. A system according to claim 1, and further comprising a distributed messaging system operative with the commutation engine and providing communications among modules that generate and format data into a data stream based on the commutation format.

11. A system for propagating data comprising:

a database for storing data sampled from different data sources;

a data transmitter including a commutation engine for commutating data from the database into a data stream based on a commutation format and propagating the data stream into a communications channel;

a data receiver including a decommutation engine for receiving the data stream propagated along the communications channel, decommunicating the data, and replicating the data within a database; and

a commutation database having commutation format definitions operative with the commutation and decommutation engines for changing the commutation format and prioritizing different data to be commutated and replicated.

12. A system according to claim 11, wherein said communications channel comprises a serial communications channel.

13. A system according to claim 11, and further comprising a commutation format generator mechanism operative with the commutation database for updating the commutation database with a new commutation format.

14. A system according to claim 11, wherein said commutation database stores multiple commutation format definitions to be used with multiple receivers.

15. A system according to claim 11, wherein the commutation format is changed based on a change in environment effecting the data stream.

16. A system according to claim 11, wherein the commutation format is changed based on a change in priority of data.

17. A system according to claim 11, wherein the commutation format is changed based on changing data requirements at a receiver.

18. A system according to claim 11, wherein a change in commutation format is initiated by a receiver.

19. A system according to claim 11, wherein a change in commutation format is initiated by a transmitter.

20. A system according to claim 11, wherein said data transmitter comprises a distributed messaging system that provides communications among modules that generate and format data into a data stream based on a commutation format.

21. A method of propagating data comprising the steps of:

commutating data from different data sources into a data stream based on a commutation format;

receiving the data and based on commutation format, decommutating the data stream to replicate the data; and

changing the commutation format for prioritizing different data from the data sources.

22. A method according to claim 21, and further comprising the step of decommutating data at a receiver based on the commutation format.

23. A method according to claim 21, and further comprising the step of sampling data from different data sources and storing the sampled data within a database from which data is commutated.

24. A method according to claim 21, and further comprising the step of storing definitions for the commutation format within a commutation database and updating the commutation database with a new commutation format.

25. A method according to claim 21, and further comprising the step of providing multiple commutation formats for multiple receivers.

26. A method according to claim 21, and further comprising the step of changing the commutation format based on a change in environment effecting the data stream.

27. A method according to claim 21, and further comprising the step of changing the commutation format based on a change in priority of data.

28. A method according to claim 21, and further comprising the step of changing the commutation format based on changing data requirements at a receiver.

29. A method according to claim 21, and further comprising the step of initiating a change in commutation format from a receiver that receives the data stream.

30. A method according to claim 21, and further comprising the step of initiating a change in commutation format from a transmitter that transmits the data stream.

31. A method of propagating data comprising the steps of:

sampling data from different data sources;

storing the sampled data within a database;

commutating data from the database into a data stream based on a commutation format;

propagating the commutated data over a communications channel to a receiver;

decommutating the commutated data at the receiver based on the commutation format to replicate data of the database; and

changing the commutation format for prioritizing different data to be commutated and replicated at the receiver.

32. A method according to claim 31, and further comprising the step of changing the commutation format based on congestion within the communications channel.

33. A method according to claim 31, and further comprising the step of decommutating data at the receiver based on the commutation format of transmitted data.

34. A method according to claim 31, and further comprising the step of storing definitions for the commutation format within a commutation database and updating the commutation database with a new commutation format.

35. A method according to claim 31, and further comprising the step of providing multiple commutation formats for multiple receivers.

36. A method according to claim 31, and further comprising the step of changing the commutation format based on a change in environment effecting the serial data stream.

37. A method according to claim 31, and further comprising the step of changing the commutation format based on a change in priority of data to be transmitted.

38. A method according to claim 31, and further comprising the step of changing the commutation format based on changing data requirements at the receiver.

39. A method according to claim 31, and further comprising the step of initiating a change in commutation format from a receiver that receives the data stream.

40. A method according to claim 31, and further comprising the step of initiating a change in commutation format from a transmitter that transmits the data stream.

41. A system for propagating data comprising:

a commutation engine for commutating data from different data sources into a data stream based on a commutation format; and

a commutation database having commutation format definitions operative with the commutation engine for changing the commutation format and prioritizing different data.

42. A system according to claim 41, and further comprising a database for storing sampled data from different data sources from which data is commutated.

43. A system according to claim 41, and further comprising a commutation format generator operative with the commutation database for updating the commutation database with a new commutation format.

44. A system according to claim 41, wherein said commutation database stores multiple commutation format definitions to be used with multiple receivers.