Service entry device

• US 9,854,297 B2
• Filed: 07/17/2013
• Issued: 12/26/2017
• Est. Priority Date: 10/21/2009
• Status: Active Grant

• Current Assignee: Comcast Cable Communications LLC (Comcast Corporation)
• Original Assignee: Comcast Cable Communications LLC (Comcast Corporation)
• Inventors: Francisco, Mark
• Primary Examiner(s): BEZUAYEHU, SOLOMON G
• Application Number:
  US13/944,414
• Publication Number:
  US 20140026170A1
• Time in Patent Office: 1,623 Days
• Field of Search: 379 93, 379 8801- 8819, 455436, 455439, 455442, 455 74
• CPC Class Codes: H04L 12/2834 Switching of information between an external network and a home network access arrangements H04L12/2856
• CPC Class Codes: H04L 12/5692 Selection among different networks
• CPC Class Codes: H04L 45/24 Multipath
• CPC Class Codes: H04L 47/70 Admission control; Resource allocation
• CPC Class Codes: H04N 21/43615 Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals home Audio Video Interoperability [HAVI] data switching networks H04L12/2805

Abstract

A system is described in which, in some embodiments, a centralized service entry device may be used to coordinate communications going into and out of a home or premises. The service entry device may be physically connected to a plurality of external access networks, such as a cable television coaxial or fiber connection and a twisted-pair wire connection, and may coordinate access to those networks by a plurality of in-home devices. Within the home, the system may include a plurality of client devices to assist in the coordination of communications with devices in different rooms within the home.

Claims

1. A method comprising:

receiving, by a computing device and from a requesting device, a request for a content item;

receiving, by the computing device and from a first source device associated with a first external access network, a first portion of the content item;

transmitting, by the computing device and to the requesting device, the first portion of the content item in response to the request for the content item; and

responsive to a change in a bitrate associated with the requesting device;

transmitting, by the computing device and to each of the first source device associated with the first external access network and a second source device associated with a second external access network, an instruction indicating a switch from the first external access network and to the second external access network for supplying a second portion of the content item, wherein the instruction comprises a current playback time of the content item and a time at which the switch is to occur, and wherein the second external access network is different from the first external access network;

buffering the second portion of the content item received from the second external network; and

transmitting, by the computing device and to the requesting device, the buffered second portion of the content item when the switch from the first portion to the second portion is to occur.

2. The method of claim 1, wherein the switch occurs during playback of the content item by the requesting device.

3. The method of claim 1, further comprising:

responsive to the change in the bitrate associated with the requesting device, transmitting, by the computing device, to a plurality of source devices associated with different external access networks, and via a plurality of external network interfaces, a plurality of requests for the second portion of the content item, wherein the plurality of source devices comprises the second source device associated with the second external access network.

4. The method of claim 3, further comprising:

in response to transmitting the plurality of requests, receiving, by the computing device and from at least the second source device associated with the second external access network, a response.

5. The method of claim 1, wherein the time at which the switch is to occur is specified as an offset relative to the current playback time of the content item.

6. The method of claim 1, further comprising:

scheduling the time at which the switch is to occur; and

performing the switch at the scheduled time.

12. The method of claim 1, further comprising:

determining, based on a timestamp at which there is a scene change in the content item, the time at which the switching is to occur.

13. The method of claim 1, further comprising:

determining, based on a timestamp at which there is a change in a group of pictures in the content item, the time at which the switching is to occur; and

performing the switch based upon the determined time at which the switching is to occur.

7. A method comprising:

receiving, by a computing device and from a requesting device, a request for a content item;

transmitting the content item from a first source device associated with a first network, to the requesting device via a first network interface of the computing device that is associated with the first network; and

in response to determining that a network change condition associated with a bitrate has been satisfied by the requesting device,

transmitting, by the computing device and to each of the first source device associated with the first network and a second source device associated with a second network, an instruction indicating a switch from the first source device and to the second source device for supplying the content item, wherein the instruction comprises a current playback time and a time at which the switch is to occur, and wherein the second network is different from the first network;

buffering, by the computing device, a portion of the content item received from the second network;

responsive to a determination that the time at which the switch is to occur has occurred, stopping the buffering of the portion of the content item; and

switching from transmitting the content item from the first source device to transmitting the buffered portion of the content item from the second source device associated with the second network, to the requesting device, and via a second network interface of the computing device that is associated with the second network, wherein the switching occurs during playback of the content item by the requesting device.

8. The method of claim 7, wherein the first network comprises a cable television network and the second network comprises a twisted-pair telephone network or a fiber optic network.

9. The method of claim 7, further comprising:

transmitting, by the computing device and to a plurality of source devices, a plurality of requests for servicing the request, wherein the plurality of source devices comprises the second source device.

10. The method of claim 9, further comprising:

in response to transmitting the plurality of requests, receiving, by the computing device and from at least the second source device, a response.

11. The method of claim 7, further comprising:

determining, based on a timestamp at which there is a scene change in the content item, the time at which the switching is to occur.

14. An apparatus comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the apparatus to;

receive, from a requesting device, a request for a content item;

receive, from a first source device associated with a first external access network, a first portion of the content item;

transmit, to the requesting device, the first portion of the content item in response to the request for the content item; and

responsive to a change in a bitrate associated with the requesting device;

transmit, to each of the first source device associated with the first external access network and a second source device associated with a second external access network, an instruction indicating a switch from the first external access network and to the second external access network for supplying a second portion of the content item, wherein the instruction comprises a current playback time of the content item and a time at which the switch is to occur, and wherein the second external access network is different from the first external access network;

buffer the second portion of the content item received from the second external network; and

transmit, to the requesting device, the buffered second portion of the content item when the switch from the first portion to the second portion is to occur.

15. The apparatus of claim 14, wherein the switch occurs during playback of the content item by the requesting device.

16. The apparatus of claim 14, wherein the memory further stores instructions that, when executed by the one or more processors, cause the apparatus to:

responsive to the change in the bitrate associated with the requesting device, transmit, to a plurality of source devices associated with different external access networks, and via a plurality of external network interfaces, a plurality of requests for the second portion of the content item, wherein the plurality of source devices comprises the second source device associated with the second external access network.

17. The apparatus of claim 16, wherein the memory further stores instructions that, when executed by the one or more processors, cause the apparatus to:

in response to transmitting the plurality of requests, receive, from at least the second source device associated with the second external access network, a response.

18. The apparatus of claim 14, wherein the memory further stores instructions that, when executed by the one or more processors, cause the apparatus to:

schedule the time at which the switch is to occur; and

perform the switch at the scheduled time.

19. The apparatus of claim 14, wherein the memory further stores instructions that, when executed by the one or more processors, cause the apparatus to:

determine, based on a timestamp at which there is a scene change in the content item, the time at which the switching is to occur.

20. The apparatus of claim 14, wherein the memory further stores instructions that, when executed by the one or more processors, cause the apparatus to:

determine, based on a timestamp at which there is a change in a group of pictures in the content item, the time at which the switching is to occur; and

perform the switch based upon the determined time at which the switching is to occur.