SYSTEM AND METHOD FOR IMPROVED HANDSHAKE PROTOCOL

• US 20120254460A1
• Filed: 04/02/2011
• Published: 10/04/2012
• Est. Priority Date: 04/02/2011
• Status: Active Grant

• Current Assignee: Open Invention Network LLC
• Original Assignee: Recursion Software, Inc.
• Inventors: Ye, Qin, Peterson, Robert W., Wheeler, Thomas T.
• Granted Patent: US 9,998,545 B2
• Time in Patent Office: Days
• US Class Current: 709/237
• CPC Class Codes: H04L 67/01 Protocols
• CPC Class Codes: H04L 67/141 Setup of application sessions admission control or resource allocation in data switching networks H04L47/70

Abstract

In order to enable a dynamic handshake procedure, a client device is configured with a list of handshake contributors. The client device initiates a handshake by determining the handshake contributors and writing properties of the handshake contributors in a client handshake, which is then sent to a server device. The client handshake is processed at the server device by invoking an appropriate handler, which handles the handshake result. The server can also send its contributors and their properties to the client. Once the client receives the properties, the client can call an appropriate handler to handle the properties. Connections may be created based on the exchanged properties. New contributors and contributor handlers may be added to both the client and server devices.

Claims

1. A method for handshake between a first device and a second device, the method comprising:

determining, in the first device, one or more handshake contributors for the first device;

writing one or more properties of the one or more contributors to a first device handshake; and

sending the handshake from the first device to the second device.

2. The method of claim 1 comprising:

receiving the handshake from the first device in the second device;

determining the one or more properties of the one or more contributors from the handshake; and

handling the one or more properties of the one or more contributors from the handshake.

3. The method of claim 2 wherein handling the one or more properties of the one or more contributors from the handshake comprises calling a handler in the second device for the respective contributor.

4. The method of claim 2 comprising creating a connection for the first device in the second device based on the one or more properties from the handshake.

5. The method of claim 2 comprising:

determining one or more contributors for the second device;

writing one or more properties of the one or more contributors for the second device to a second device handshake; and

sending the second device handshake from the second device to the first device.

6. The method of claim 5 comprising handling the one or more properties of the one or more contributors for the second device in the first device.

7. The method of claim 6 wherein handling the one or more properties of the one or more contributors for the second device in the first device comprises creating a connection for the second device in the first device.

8. The method of claim 1 comprising determining a plurality of handshake contributors for the first device and writing one or more properties for each of the plurality of contributors to the handshake.

9. A method for handshake between a client and a server comprising:

deriving a client list of handshake contributors in the client, each client handshake contributor specifying one or more properties;

sending a client handshake from the client to the server, the client handshake indicating the client handshake contributors;

receiving the client handshake in the server;

processing the client handshake in the server;

deriving a server list of handshake contributors in the server, each server handshake contributor specifying one or more properties;

sending a server handshake to the client device, the server handshake indicating the server handshake contributors for the server;

receiving the server handshake in the client device; and

processing the server handshake in the client device.

10. The method of claim 9 wherein sending the client handshake comprises determining one or more handshake properties for each client handshake contributor and writing the one or more handshake properties to the client handshake.

11. The method of claim 10 comprising:

determining, in the server, the contributor for a handshake property of the client handshake;

calling a handler in the server for the determined contributor; and

handling the handshake property of the client handshake in the server using the called handler.

12. The method of claim 9 wherein sending a server handshake comprises determining one or more handshake properties for each server handshake contributor and writing the one or more handshake properties to the server handshake.

13. The method of claim 12 comprising:

determining, in the client, the contributor for a handshake property of the server handshake;

calling a handler in the client for the determined contributor; and

handling the handshake property of the server handshake in the client using the called handler.

14. A first device executing an application for establishing a connection from the first device to a second device, the application configured to:

generate a handshake comprising;

an indication of at least one contributor; and

one or more properties of the at least one contributor; and

send the handshake to the second device.

15. The first device of claim 14 wherein the application is configured to generate a handshake indicating a plurality of contributors and at least one handshake property for each contributor.

16. The first device of claim 14 wherein the application is configured to:

receive a second device handshake from the second device;

determining one or more contributors of the second device handshake;

determine one or more properties of the one or more contributors of the second device handshake; and

handle the one or more properties of the second device handshake.

17. The first device of claim 16 wherein the application comprises one or more handlers for the one or more contributors of the second device handshake.

18. The first device of claim 16 wherein the application is configured to create a connection for the second device using the one or more properties of the second device handshake.

19. The first device of claim 14 wherein the application is configured to add one or more contributors.

20. The first device of claim 14 wherein the application is configured to add one or more contributor handlers.