Transaction accelerator for client-server communication systems

• US 8,321,580 B2
• Filed: 04/27/2012
• Issued: 11/27/2012
• Est. Priority Date: 10/30/2002
• Status: Expired due to Term

• Current Assignee: Riverbed Technology, LLC (Riverbed Technology Incorporated)
• Original Assignee: Riverbed Technology Incorporated
• Inventors: McCanne, Steven, Demmer, Michael
• Primary Examiner(s): NGUYEN, PHUOC H
• Application Number:
  US13/459,065
• Publication Number:
  US 20120209959A1
• Time in Patent Office: 214 Days
• Field of Search: 709/203, 709/217, 709/227, 709/231
• US Class Current: 709/231
• CPC Class Codes: H04L 67/288 Distributed intermediate devices, i.e. intermediate devices for interaction with other intermediate devices on the same level
• CPC Class Codes: H04L 67/289 Intermediate processing functionally located close to the data consumer application, e.g. in same machine, in same home or in same sub-network
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04L 67/5651 Reducing the amount or size of exchanged application data
• CPC Class Codes: H04L 67/5682 Policies or rules for updating, deleting or replacing the stored data
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]

Abstract

In a network having transaction acceleration, for an accelerated transaction, a client directs a request to a client-side transaction handler that forwards the request to a server-side transaction handler, which in turn provides the request, or a representation thereof, to a server for responding to the request. The server sends the response to the server-side transaction handler, which forwards the response to the client-side transaction handler, which in turn provides the response to the client.

Claims

1. A method for communicating data over a communication network, the method comprising:

a first apparatus receiving a data request from a first computer;

the first apparatus sending the data request to a second apparatus;

the second apparatus sending the data request to a second computer;

the second apparatus receiving response data from the second computer, wherein the second computer generates the response data based on the data request;

the second apparatus determining whether a portion of the response data is locally accessible to the first apparatus;

in response to determining that the portion of the response data is locally accessible to the first apparatus, the second apparatus modifying the response data to obtain modified response data, wherein said modifying includes replacing the portion of the response data with a reference to the portion of the response data, and wherein the modified response data instructs the first apparatus to use the reference to the portion of the response data to retrieve the portion of the response data from a storage that is locally accessible to the first apparatus;

the second apparatus sending the modified response data to the first apparatus;

the first apparatus retrieving the portion of the response data based on the reference to the portion of the response data, wherein the portion of the response data is retrieved from the storage that is locally accessible to the first apparatus; and

the first apparatus sending the response data to the first computer.

2. The method of claim 1, wherein the data request is part of a first communication from the first computer to the second computer, and wherein the first apparatus receives the data request by intercepting the first communication.

3. The method of claim 1, wherein the data request is part of a first communication from the first computer to the first apparatus.

4. The method of claim 1, wherein the response data is part of a second communication from the second computer to the first computer, and wherein the second apparatus receives the response data by intercepting the second communication.

5. The method of claim 1, wherein the response data is part of a second communication from the second computer to the second apparatus.

6. The method of claim 1, wherein the first computer communicates with the first apparatus over a first local area network, wherein the first apparatus communicates with the second apparatus over a wide area network, and wherein the second apparatus communicates with the second computer over a second local area network.

7. The method of claim 1, wherein the storage that is locally accessible to the first apparatus is a database.

8. A method for communicating data over a communication network, the method comprising:

a first apparatus receiving a data request from a first computer;

the first apparatus sending the data request to a second apparatus;

the second apparatus sending the data request to a second computer;

the second apparatus receiving response data from the second computer, wherein the second computer generates the response data based on the data request;

the second apparatus determining whether a portion of the response data is locally accessible to the first apparatus;

in response to determining that the portion of the response data is not locally accessible to the first apparatus, the second apparatus modifying the response data to obtain modified response data, wherein said modifying includes adding, to the response data, a reference to the portion of the response data, wherein the modified response data instructs the first apparatus to store the portion of the response data and the reference to the portion of the response data in a storage that is locally accessible to the first apparatus;

the second apparatus sending the modified response data to the first apparatus;

the first apparatus storing the portion of the response data and the reference to the portion of the response data in the storage that is locally accessible to the first apparatus; and

the first apparatus sending the response data to the first computer.

9. The method of claim 8, wherein the data request is part of a first communication from the first computer to the second computer, and wherein the first apparatus receives the data request by intercepting the first communication.

10. The method of claim 8, wherein the data request is part of a first communication from the first computer to the first apparatus.

11. The method of claim 8, wherein the response data is part of a second communication from the second computer to the first computer, and wherein the second apparatus receives the response data by intercepting the second communication.

12. The method of claim 8, wherein the response data is part of a second communication from the second computer to the second apparatus.

13. The method of claim 8, wherein the first computer communicates with the first apparatus over a first local area network, wherein the first apparatus communicates with the second apparatus over a wide area network, and wherein the second apparatus communicates with the second computer over a second local area network.

14. The method of claim 8, wherein the storage that is locally accessible to the first apparatus is a database.

15. An apparatus, comprising:

a first receiving mechanism configured to receive a data request from a remote apparatus;

a first sending mechanism configured to send the data request to a computer;

a second receiving mechanism configured to receive response data from the computer, wherein the computer generates the response data based on the data request;

a determining mechanism configured to determine whether a portion of the response data is locally accessible to the remote apparatus;

a modifying mechanism configured to;

in response to determining that the portion of the response data is locally accessible to the remote apparatus, replace the portion of the response data with a reference to the portion of the response data, thereby instructing the remote apparatus to use the reference to the portion of the response data to retrieve the portion of the response data from a storage that is locally accessible to the remote apparatus; and

a second sending mechanism configured to send the response data to the remote apparatus.

16. The apparatus of claim 15, wherein the response data is part of a communication from the computer to a remote computer, and wherein the second receiving mechanism is configured to intercept the communication.

17. The apparatus of claim 15, wherein the response data is part of a communication from the computer to the apparatus.

18. The apparatus of claim 15, wherein the first receiving mechanism is configured to receive the data request from the remote apparatus over a wide area network, and wherein the second sending mechanism configured to send the modified response data to the remote apparatus over the wide area network.

19. The apparatus of claim 15, wherein the first sending mechanism is configured to send the data request to the computer over a local area network, and wherein the second receiving mechanism is configured to receive the response data from the computer over the local area network.

20. An apparatus, comprising:

a first receiving mechanism configured to receive a data request from a remote apparatus;

a first sending mechanism configured to send the data request to a computer;

a second receiving mechanism configured to receive response data from the computer, wherein the computer generates the response data based on the data request;

a determining mechanism configured to determine whether a portion of the response data is locally accessible to the remote apparatus;

a modifying mechanism configured to;

in response to determining that the portion of the response data is not locally accessible to the remote apparatus, add, to the response data, a reference to the portion of the response data, thereby instructing the remote apparatus to store the portion of the response data and the reference to the portion of the response data in the storage that is locally accessible to the remote apparatus; and

a second sending mechanism configured to send the response data to the remote apparatus.

21. The apparatus of claim 20, wherein the response data is part of a communication from the computer to a remote computer, and wherein the second receiving mechanism is configured to intercept the communication.

22. The apparatus of claim 20, wherein the response data is part of a communication from the computer to the apparatus.

23. The apparatus of claim 20, wherein the first receiving mechanism is configured to receive the data request from the remote apparatus over a wide area network, and wherein the second sending mechanism configured to send the modified response data to the remote apparatus over the wide area network.

24. The apparatus of claim 20, wherein the first sending mechanism is configured to send the data request to the computer over a local area network, and wherein the second receiving mechanism is configured to receive the response data from the computer over the local area network.