Methods and systems for optimizing network traffic using preemptive acknowledgment signals

• US 8,806,053 B1
• Filed: 04/29/2008
• Issued: 08/12/2014
• Est. Priority Date: 04/29/2008
• Status: Active Grant

• Current Assignee: F5 Networks, Inc. (F5 Incorporated)
• Original Assignee: F5 Networks, Inc. (F5 Incorporated)
• Inventors: Bollay, Benn
• Primary Examiner(s): JAKOVAC, RYAN J
• Application Number:
  US12/111,517
• Time in Patent Office: 2,296 Days
• Field of Search: 709/232
• US Class Current: 709/232
• CPC Class Codes: H04L 67/564 Enhancement of application control based on intercepted application data
• CPC Class Codes: H04L 67/5681 Pre-fetching or pre-delivering data based on network characteristics
• CPC Class Codes: H04L 69/163 In-band adaptation of TCP data exchange; In-band control procedures

Abstract

Methods and systems for efficient transmission of data between a requesting computer and a server. A request is received for server data from a requesting computer and the request is sent to the server over at least one network. The requested server data responsive to the request is forwarded on to the requesting computer. It is determined whether the requested server data has been previously forwarded either to the requesting computer or at least one other requesting computer. A preemptive acknowledgement signal is sent to the transmitting server substantially upon determining the requested server data has been previously forwarded for causing the transmitting server to cease transmitting any remaining, un-transmitted portions of the requested server data. These methods and systems increase the efficiency of transmission resources in a network.

Claims

1. A method for efficient transmission of data between a requesting computer and a server, the method comprising:

receiving, at a network traffic management device, a request for server data comprising a plurality of data packets from a requesting computer and sending the request to the server over at least one network;

receiving a first portion of the server data from the server at the network traffic management device;

determining, at the network traffic management device, whether a remaining portion of the server data, not yet received at the network traffic management device in response to the request, is stored at the network traffic management device based on the received first portion of the server data;

sending a preemptive acknowledgement signal from the network traffic management device to the server, subsequent to receiving the first portion of the server data, to cause the server to terminate transmission of the remaining portion of the server data, when the remaining portion of the sever data is determined to be stored at the network traffic management device; and

sending the remaining portion of the server data stored at the network traffic management device to the requesting computer.

2. The method in claim 1, wherein the determining whether the remaining portion of the server data is stored includes reading a header of one or more of the plurality of data packets of the received first portion of the server data for information associated with the server data.

3. The method of claim 2, wherein the header includes a unique value associated with the server data and wherein the unique value is used in determining whether the remaining portion of the server data is stored.

4. The method in claim 1, wherein the preemptive acknowledgment signal includes information relating to the data packets from the requesting computer matching the requested server data.

5. A non-transitory machine readable medium having stored thereon instructions for increasing data flow in a network, the stored instructions comprising machine executable code, which when executed by at least one processor in a network traffic management device, causes the processor to perform steps comprising

receiving a request for server data from the requesting computer and sending the request to the server over the network;

receiving a first portion of the server data from the server;

determining whether a remaining portion of the server data, not yet received at the network traffic management device in response to the request, is stored at the network traffic management device based on the received first portion of the server data;

sending a preemptive acknowledgement signal from the network traffic management device to the server, subsequent to receiving the first portion of the server data, to cause the server to terminate transmission of the remaining portion of the server data, when the remaining portion of the sever data is determined to be stored at the network traffic management device; and

sending the remaining portion of the server data stored at the network traffic management device to the requesting computer.

6. The machine readable medium of claim 5, wherein the determining whether the remaining portion of the server data is stored includes reading a header of one or more of the plurality of data packets of the received first portion of the server data for information associated with the server data.

7. The machine readable medium of claim 6, wherein the header includes a unique value associated with the server data and wherein the unique value is used in determining whether the remaining portion of the server data is stored.

8. The machine readable medium of claim 5, wherein the preemptive acknowledgment signal includes information relating to the data in the requesting computer matching the requested server data.

9. A network traffic management device comprising:

a network interface configured to receive and transmit data packets between a requesting computer and a server device over a network;

a memory having stored thereon code embodying machine executable programmable instructions for increasing data flow in the network; and

a processor configured to execute the stored programming instructions in the memory to perform steps comprising;

receiving a request for server data from the requesting computer and sending the request to the server over the network;

receiving a first portion of the server data from the server;

determining whether a remaining portion of the server data, not yet received at the network traffic management device in response to the request, is stored at the network traffic management device based on the received first portion of the server data;

sending a preemptive acknowledgement signal from the network traffic management device to the server, subsequent to receiving the first portion of the server data, to cause the server to terminate transmission of the remaining portion of the server data, when the remaining portion of the sever data is determined to be stored at the network traffic management device; and

sending the remaining portion of the server data stored at the network traffic management device to the requesting computer.

10. The device of claim 9, wherein the determining whether the remaining portion of the server data is stored includes reading a header of one or more of the plurality of data packets of the received first portion of the server data for information associated with the server data.

11. The device of claim 10, wherein the header includes a unique value associated with the server data and wherein the unique value is used in determining whether the remaining portion of the server data is stored.

12. The device of claim 9, wherein the preemptive acknowledgment signal includes information relating to the data in the requesting computer matching the requested server data.