Method of notifying a communications device

• US 8,082,354 B2
• Filed: 03/31/2009
• Issued: 12/20/2011
• Est. Priority Date: 03/31/2009
• Status: Expired due to Fees

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Emmerich, Mark, Srinivasan, Karamadai
• Primary Examiner(s): Shin, Kyung H
• Application Number:
  US12/414,826
• Publication Number:
  US 20100250760A1
• Time in Patent Office: 994 Days
• Field of Search: 709/217, 709/230, 455/411, 455/419
• US Class Current: 709/230
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/55 Push-based network services
• CPC Class Codes: H04L 69/28 Timers or timing mechanisms used in protocols

Abstract

In one aspect of the disclosure, a method of notifying a communications device in a network includes sending an http push request from a communications device through a network to a computing device, wherein the http push request having a first lifespan. The method also includes receiving a timeout error from the network and sending a second http push request from the communications device through the network to the computing device. The second http push request is of a second lifespan, which is less than the first lifespan.

Claims

1. A method of notifying a communications device in a network, comprising:

sending an http push request from a communications device through a network to a computing device, the http push request having a first lifespan;

receiving a timeout error from the network; and

sending a second http push request from the communications device through the network to the computing device, the second http push request having a second lifespan which is less than the first lifespan, wherein, prior to the second sending step, a calculating step is performed in which the lifespan of the second http push request is calculated by way of a quick convergence algorithm, and wherein the calculating step includes multiplying the value of the Current Timeout (CTO) by the number of times the communications device has consecutively received a timeout error at a given value of the CTO.

2. The method of claim 1, further comprising setting an Average Failed Timeout (AVG_FTO) equal to the value of the CTO when an absolute value of a difference between the CTO and the Avg_FTO is less than one half of a time increment used to increment the CTO.

3. The method of claim 1, further comprising sending a third http push request through the network to the computing device, the third http push request having a third lifespan, the third lifespan being greater than the second lifespan.

4. The method of claim 3, further comprising sending a fourth http push request through the network to the computing device, the fourth http push request having a fourth lifespan, the fourth lifespan being greater than the third lifespan.

5. The method of claim 4, further comprising sending a plurality of additional http push requests through the network to the computing device, the plurality of additional http push requests having a lifespan substantially equal to the fourth lifespan.

6. The method of claim 5, further comprising sending one additional http push request through the network to the computing device, the one additional http push request having a lifespan greater than the plurality of additional http push requests.

7. A method of notifying a communications device in a network, comprising:

sending an http push request from the communications device through a network to a computing device, the http push request having a first lifespan;

determining that the communications device has not received a timeout error from the network; and

sending a second http push request from the communications device through the network to the computing device, the second http push request having a second lifespan which is greater than the first lifespan, wherein, prior to the second sending step, a calculating step is performed in which the lifespan of the second http push request is calculated by way of a quick convergence algorithm, and wherein the calculating step includes multiplying the value of the Current Timeout (CTO) by the number of times the communications device has consecutively received a timeout error at a given value of the CTO.

8. The method of claim 7, further comprising sending a third http push request through the network to the computing device, the third http push request having a third lifespan which is greater than the second http push request, the third http push request being sent after the communications device determines that a timeout error has not been received from the network in response to sending the second http push request.

9. The method of claim 7, further comprising sending a third http push request through the network to the computing device, the third http push request having a third lifespan which is less than the lifespan of the second http push request, the third http push request being sent after the communications device determines that a timeout error has been received from the network.

10. The method of claim 7, further comprising setting an Average Failed Timeout (AVG_FTO) equal to the value of the CTO when an absolute value of a difference between the CTO and the Avg_FTO is less than one half of a time increment used to increment the CTO.

11. The method of claim 7, further comprising sending a plurality of http push requests through the network to the computing device, wherein each of the plurality of http push requests is sent after the communications device has determined that a previous one of the plurality of http push requests has not resulted in receiving a timeout error from the network.

12. A communications device including memory for storage of non-transitory computer readable instructions, comprising:

a transmitter for sending a first http push request to a network;

a receiver for receiving a response to the first http push request from the network; and

a processor for incrementing the lifespan of a second http push request upon determining that the receiver has not received a timeout error from the network in response to sending the first http push request, wherein the processor calculates the lifespan of the second http push request by way of a quick convergence algorithm, and wherein the calculating step includes multiplying a value of the Current Timeout (CTO) by the number of times the communications device has consecutively received a timeout error at a given value of the CTO.

13. The communications device of claim 12, wherein the processor additionally decrements the lifespan of a third http push request upon determining that the second http push request resulted in the receiver receiving a timeout error from the network in response to sending the second http push request.

14. The communications device of claim 12, further comprising setting an Average Failed Timeout (AVG_FTO) equal to the value of the CTO when an absolute value of a difference between the CTO and the Avg FTO is less than one half of a time increment used to increment the CTO.

15. The communications device of claim 12, wherein the processor sends a plurality of http push requests of a substantially similar lifespan, wherein each one of the plurality of http push requests is sent upon determining that a timeout error has not been received from the network in response to the communications device sending a preceding one of the plurality of http push requests.

16. The communications device of claim 15, wherein the processor occasionally sends an additional http push request having an incremented lifespan in the event that at least a portion of the plurality of http push requests have not resulted in receiving a timeout error from the network.