Method and system for implementing redundancy for streaming data in audio video bridging networks

• US 8,254,248 B2
• Filed: 09/25/2007
• Issued: 08/28/2012
• Est. Priority Date: 03/20/2007
• Status: Expired due to Fees

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Oren, Amit, Kim, Yongbum
• Primary Examiner(s): Ly, Anh-Vu H
• Assistant Examiner(s): HOPKINS, MATTHEW A
• Application Number:
  US11/860,867
• Publication Number:
  US 20080232243A1
• Time in Patent Office: 1,799 Days
• Field of Search: 370/216
• US Class Current: 370/216
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04N 21/631 Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
• CPC Class Codes: H04N 21/64322 IP

Abstract

Aspects of a method and system for implementing redundancy for streaming data in audio video bridging networks are provided. Network resources may be reserved over a plurality of network paths. Reserved resources may be utilized for the transmission and/or reception of a corresponding plurality of data streams, wherein one or more of the streams may comprise redundant data. A plurality of data streams may be transmitted and/or received by a plurality of network interface hardware devices. Similarly, a plurality of data streams may be transmitted and/or received by a plurality of ports integrated into a single network interface hardware device. Each of the plurality of data streams may be assigned a unique identifier and the identifier of a first data stream may differ by one bit from an identifier of a data stream comprising data redundant to the first data stream.

Claims

1. A method for computer networking, the method comprising:

in an audio video bridging network device;

communicating one or more stream reservation protocol (SRP) messages to reserve network resources over a plurality of network paths;

transmitting a plurality of data streams over said reserved network resources of said plurality of network paths, wherein one or more supplemental data streams of said plurality of data streams comprises data that is redundant to a first data stream of said plurality of data streams;

determining a plurality of latencies, wherein each of said latencies corresponds to one of said plurality of data streams;

sizing one or more buffers utilized for buffering said first data stream such that a size of said one or more buffers corresponds to an amount of data received from said first data stream during a time period corresponding to a difference between;

one or more of said plurality of latencies which are associated with said first data stream, and

one or more of said plurality of latencies which are associated with one of said supplemental data streams;

assigning a first stream identifier to said first data stream; and

assigning an additional unique stream identifier to each of said one or more supplemental data streams, wherein each of said additional unique stream identifiers differs from said first stream identifier.

2. The method according to claim 1, comprising transmitting said plurality of data streams utilizing a corresponding plurality of aggregated ports integrated into one or more network interface hardware devices.

3. The method according to claim 1, wherein each of said additional unique stream identifiers differs from said first stream identifier by one bit.

4. The method according to claim 1, wherein each of said plurality of network paths is separate from others of said plurality of network paths.

5. The method according to claim 1, wherein each of said plurality of network paths is independent from others of said plurality of network paths.

6. A method for computer networking, the method comprising:

in an audio video bridging network device;

communicating one or more stream reservation protocol (SRP) messages to reserve network resources over a plurality of network paths;

receiving a plurality of data streams over said reserved network resources of said plurality of network paths, wherein one or more supplemental data streams of said plurality of data streams comprises data that is redundant to a first data stream of said plurality of data streams;

determining a plurality of latencies, wherein each of said latencies corresponds to one of said plurality of data streams;

sizing one or more buffers utilized for buffering said first data stream such that a size of said one or more buffers corresponds to an amount of data received from said first data stream during a time period corresponding to a difference between;

one or more of said plurality of latencies which are associated with said first data stream, and

one or more of said plurality of latencies which are associated with one of said supplemental data streams;

identifying said first data stream based on a first stream identifier comprising said first data stream; and

identifying each of said one or more supplemental data streams based on a unique stream identifier associated with each of said one or more supplemental data streams, wherein each said unique stream identifier differs from said first stream identifier.

7. The method according to claim 6, comprising receiving said plurality of data streams utilizing a corresponding plurality of aggregated ports integrated into one or more network interface hardware devices.

8. The method according to claim 6, wherein each said unique stream identifier differs from said first stream identifier by one bit.

9. The method according to claim 6, wherein each of said plurality of network paths is separate from others of said plurality of network paths.

10. The method according to claim 6, wherein each of said plurality of network paths is independent from others of said plurality of network paths.

11. The method according to claim 6, comprising processing said plurality of data streams based on sequencing information associated with said plurality of data streams.

12. A system for computer networking, the system comprising:

in an audio video bridging network device, one or more processors that enable;

communicating one or more stream reservation protocol (SRP) messages to reserve network resources over a plurality of network paths;

transmitting a plurality of data streams over said reserved network resources of said plurality of network paths, wherein one or more supplemental data streams of said plurality of data streams comprises data that is redundant to a first data stream of said plurality of data streams;

determining a plurality of latencies, wherein each of said latencies corresponds to one of said plurality of data streams;

sizing one or more buffers utilized for buffering said first data stream such that a size of said one or more buffers corresponds to an amount of data received from said first data stream during a time period corresponding to a difference between;

one or more of said plurality of latencies which are associated with said first data stream, and

one or more of said plurality of latencies which are associated with one of said supplemental data streams;

said one or more processors enable assigning a first stream identifier to said first data stream; and

said one or more processors enable assigning an additional unique stream identifier to each of said one or more supplemental data streams, wherein each of said additional unique stream identifiers differs from said first stream identifier.

13. The system according to claim 12, wherein said one or more processors enable transmitting said plurality of data streams utilizing a corresponding plurality of aggregated ports integrated into one or more network interface hardware device.

14. The system according to claim 12, wherein each of said additional unique stream identifiers differs from said first stream identifier by one bit.

15. The system according to claim 12, wherein each of said plurality of network paths is separate from others of said plurality of network paths.

16. The system according to claim 12, wherein each of said plurality of network paths is independent from others of said plurality of network paths.

17. A system for computer networking, the system comprising:

in an audio video bridging network device, one or more processors that enable;

communicating one or more stream reservation protocol (SRP) messages to reserve network resources over a plurality of network paths;

receiving a plurality of data streams over said reserved network resources of said plurality of network paths, wherein one or more supplemental data streams of said plurality of data streams comprises data that is redundant to a first data stream of said plurality of data streams;

determining a plurality of latencies, wherein each of said latencies corresponds to one of said plurality of data streams;

sizing one or more buffers utilized for buffering said first data stream such that a size of said one or more buffers corresponds to an amount of data received from said first data stream during a time period corresponding to a difference between;

one or more of said plurality of latencies which are associated with said first data stream, and

one or more of said plurality of latencies which are associated with one of said supplemental data streams;

said one or more processors enable identifying said first data stream based on a first stream identifier comprising said first data stream; and

said one or more processors enable identifying each of said one or more supplemental data streams based on a unique stream identifier associated with each of said one or more of supplemental data streams, wherein each said unique stream identifier differs from said first stream identifier.

18. The system according to claim 17, wherein said one or more processors enable receiving said plurality of data streams utilizing a corresponding plurality of aggregated ports integrated into one or more network interface hardware devices.

19. The system according to claim 17, wherein each said unique stream identifier differs from said first stream identifier by one bit.

20. The system according to claim 17, wherein each of said plurality of network paths is separate from others of said plurality of network paths.

21. The system according to claim 17, wherein each of said plurality of network paths is independent from others of said plurality of network paths.

22. The system according to claim 17, wherein said one or more processors enable processing said plurality of data streams based on sequencing information associated with said plurality of data streams.