Network performance assessment apparatus, systems, and methods

• US 8,644,162 B2
• Filed: 12/19/2007
• Issued: 02/04/2014
• Est. Priority Date: 07/16/2007
• Status: Active Grant

• Current Assignee: Dish Technologies LLC (Dish Network Corporation)
• Original Assignee: Echostar Technologies LLC (Echostar Corporation)
• Inventors: Langille, Gary R., Kennedy, John T.
• Primary Examiner(s): Pham, Chi
• Assistant Examiner(s): ADHAMI, MOHAMMAD SAJID
• Application Number:
  US11/960,569
• Publication Number:
  US 20090024736A1
• Time in Patent Office: 2,239 Days
• Field of Search: None
• US Class Current: 370/237
• CPC Class Codes: H04H 20/426 Receiver side
• CPC Class Codes: H04L 41/5019 Ensuring fulfilment of SLA
• CPC Class Codes: H04L 41/5025 by proactively reacting to service quality change, e.g. by reconfiguration after service quality degradation or upgrade
• CPC Class Codes: H04L 43/0882 Utilisation of link capacity
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04L 65/1026 at the edge
• CPC Class Codes: H04L 65/612 for unicast
• CPC Class Codes: H04L 65/80 Responding to QoS

Abstract

Various embodiments of network performance assessment apparatus, systems and processes collect performance information pertaining to a current capacity utilization of a network, identify an occurrence of a capacity constraint on a portion of the network that is communicating the program to at least one presentation device, select one of a plurality of paths coupling the receiving device and the presentation device, and modify the program to a format compatible with the selected path.

Claims

1. An apparatus operable to communicate programs over networks, comprising:

a receiver operable to receive a user selection of a program;

a router operable to select among a plurality of paths of a network communicatively coupling the apparatus to a presentation device, the plurality of paths including network path segments not directly connected to the router;

a network formatter operable to format the selected program into information compatible with a communication format used by each of the plurality of paths, and operable to transmit the formatted program to the router; and

a network performance assessor operable to;

assess performance of the network including network path segments not directly connected to the network performance assessor;

determine an occurrence of a capacity constraint on the network;

access a priority system having a stored, prioritized selection of actions to be taken in response to the occurrence of the capacity constraint;

cause the router to select one of the plurality of paths to the presentation device, the selected path being a non-networked direct connection to the presentation device;

communicate control signals to the presentation device to indicate the selection of the direct connection; and

cause the network formatter to modify the program to the format of the selected path.

2. The apparatus of claim 1 wherein in response to the occurrence of the capacity constraint, the network performance assessor is operable to cause the receiver to communicate to the presentation device selectable options identifying the plurality of paths to the presentation device, wherein upon selection of an option by the user, the router is operable to select the path corresponding to the selected option.

3. The apparatus of claim 1 wherein the selected path comprises:

a wireless transmitter operable to communicate the program to the presentation device, the program formatted by the program formatter for wireless communication.

4. The apparatus of claim 1 wherein the selected path comprises:

a cable interface operable to communicate the program to the presentation device, the program formatted by the program formatter for communication over the cable.

5. The apparatus of claim 1 wherein the selected path comprises:

a high-definition multimedia interface (HDMI) connector interface operable to communicate the program to the presentation device, the program formatted by the program formatter for communication over the HDMI connector interface.

6. The apparatus of claim 1 comprising a module configured to communicate one or more control signals to the presentation device, wherein the control signals instruct the presentation device as to which of the plurality of paths to the presentation device is the selected path and which input port on the presentation device connected to the selected path to make as the active input port.

7. The apparatus of claim 6, wherein the control signals are dynamically provided to the presentation device.

8. The apparatus of claim 6, wherein the control signals instruct the presentation device as to the format of the program being provided on the selected path.

26. The apparatus of claim 1 wherein the network performance assessor is operable to assess performance of the network based on information representing the quality of the received program.

27. The apparatus of claim 26 wherein information representing the quality of the received program is information measured as one of the group of one way delay, round trip time, and fraction of packets lost.

28. The apparatus of claim 1 wherein the network performance assessor is operable to select a primary presentation device and another presentation device, and the network performance assessor is further operable to cause the router to select one of the plurality of paths to the another presentation device.

29. The apparatus of claim 28 wherein modifying the program to the format of the selected path includes halting communication of programming to the another presentation device.

30. The apparatus of claim 1 wherein the network performance assessor is operable to identify at least two alternate paths of the plurality of paths and operable to cause the router to select one of the at least two alternate paths of the plurality of paths to the presentation device.

9. A method for communication of at least one program over a network, comprising:

collecting performance information pertaining to a current capacity utilization of a plurality of network path segments of the network, the plurality of network path segments including segments that form at least two different paths between a receiving device and a presentation device wherein at least one of the at least two different paths includes a plurality of network path segments;

identifying with the receiving device an occurrence of a capacity constraint on a portion of the network that is communicating a program from the receiving device to the presentation device;

accessing a priority system having a stored, prioritized selection of actions to be taken in response to the occurrence of the capacity constraint;

selecting with the receiving device, based on the stored, prioritized selection of actions, one of the at least two different paths coupling the receiving device and the presentation device, the selected path being a non-networked direct connection to the presentation device;

communication control signals to the presentation device to direct the presentation device to enable the non-networked direct connection; and

modifying the program to a format compatible with the selected path.

10. The method of claim 9 wherein selecting with the receiving device comprises:

ceasing communication of the program over the portion of the network with the capacity constraint; and

communicating the program over the selected path, the selected path not part of the network.

11. The method of claim 9 wherein selecting with the receiving device comprises:

ceasing communication of the program over the portion of the network with the capacity constraint; and

communicating the program over a different portion of the network.

12. The method of claim 9 wherein modifying the program comprises:

reducing an amount of video information communicated over the selected path.

13. The method of claim 9 wherein modifying the program comprises:

changing a frame rate of video information communicated over the selected path.

14. The method of claim 9 wherein modifying the program comprises:

changing a format of the program between a high definition (HD) format and a standard definition format.

15. The method of claim 9 wherein modifying the program comprises:

changing the program in a high definition (HD) format to a program in a standard definition format, wherein the HD format program and the standard definition format program correspond to the same program content.

16. The method of claim 9 wherein modifying the program comprises:

changing the program between an MPEG-4 format and an MPEG-2 format.

17. The method of claim 9 wherein selecting with the receiving device comprises:

communicating to the presentation device a plurality of user selectable options, each user selectable option corresponding to one of the plurality of paths; and

receiving a user selection of one of the plurality of paths; and

wherein modifying the program includes modifying the program in accordance with the selected path.

18. The method of claim 9 wherein identifying with the receiving device the occurrence of the capacity constraint on the portion of the network comprises:

determining a total capacity utilization on the network, the total capacity utilization corresponding to a sum of all capacity utilizations by a plurality of endpoint devices, wherein one of the endpoint devices is the presentation device;

comparing the total capacity utilization with a predefined capacity of the network so that the capacity constraint is determined in response to the total capacity utilization equaling the predefined capacity of the network; and

wherein selecting with the receiving device includes communicating the program over the selected path, the selected path not part of the network.

19. The method of claim 9, comprising:

receiving the program via a satellite system communicatively coupled to the receiving device.

20. The method of claim 9 comprising:

communicating with the receiving device at least one command to the presentation device, in response to the selecting one of the plurality of paths coupling the receiving device and the presentation device, wherein the command instructs the presentation device to activate an input port connected to the selected path.

21. The method of claim 20, whereupon receipt of the command, the presentation device seamlessly switches between a previously active selected path and a currently active selected path, wherein the currently active selective path is identified in the at least one command.

22. A system operable to communicate at least one program over networked systems, comprising:

a network performance assessor operable to collect performance information pertaining to a current capacity utilization of a network, the network including network path segments not directly connected to the network performance assessor, and operable to access a priority system having a stored, prioritized selection of actions to be taken in response to an occurrence of a capacity constraint;

a processor unit operable to execute logic to identify the occurrence of the capacity constraint on a portion of the network that is communicating the program to a presentation device;

a router communicatively coupled to the processor unit and the presentation device, the router operable to select one of a plurality of paths that communicatively couple a receiving device to the presentation device, the plurality of paths including network path segments not directly connected to the router, the selected path being a non-networked direct connection to the presentation device, the selection arranged to cause communication of control signals to the presentation device to indicate the selection of the direct connection, the selection made in response to instructions from the processor unit, the instructions based on the stored, prioritized selection of actions; and

a program formatter operable to modify a characteristic of the program to be compatible with a communication format used by the selected path.

23. The system of claim 22 wherein the selected path comprises:

a wireless transmitter operable to communicate the program to the presentation device, the program formatted by the program formatter for wireless communication.

24. The system of claim 22 wherein the selected path comprises:

a cable operable to communicate the program to the presentation device, the program formatted by the program formatter for communication over the cable.

25. The system of claim 22 wherein the selected path comprises:

a high-definition multimedia interface (HDMI) cable operable to communicate the program to the presentation device, the program formatted by the program formatter for communication over the HDMI cable.