Communications system with data storage device interface protocol connectors and related methods

• US 7,289,975 B2
• Filed: 02/12/2004
• Issued: 10/30/2007
• Est. Priority Date: 08/11/2003
• Status: Active Grant

• Current Assignee: Malikie Innovations Limited (Key Patent Innovations Limited)
• Original Assignee: TeamOn Systems Incorporated (Blackberry Limited)
• Inventors: Clarke, David James, Roy, Shaibal, Kamat, Harshad N., Gorty, Suryanarayana Murthy, Cooper, Blair
• Primary Examiner(s): LEROUX, ETIENNE PIERRE
• Application Number:
  US10/777,959
• Publication Number:
  US 20050038915A1
• Time in Patent Office: 1,356 Days
• Field of Search: 707/1, 707/2, 707/9, 707/10, 726/14, 713/201, 709/224
• US Class Current: 1/1
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• 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 67/568 Storing data temporarily at an intermediate stage, e.g. caching
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• CPC Class Codes: Y10S 707/99931 Database or file accessing

Abstract

A communications system may include a plurality of data storage devices for storing data using at least one of a plurality of different operating protocols. The system may further include a plurality of mobile wireless communications devices for accessing the data storage devices and each using at least one of the plurality of different operating protocols. Moreover, a protocol interface device may also be included. The protocol interface device may include a front-end proxy module for communicating with the plurality of mobile wireless communications devices using respective operating protocols, and a protocol engine module communicating with the front-end proxy module using a common interface protocol. The protocol interface device may also include a respective interface connector module for translating communications between the protocol engine module and the plurality of data storage devices for each of the different operating protocols.

Claims

1. A communications system comprising:

a plurality of data storage devices storing data based upon at least one of a plurality of different operating protocols;

a plurality of mobile wireless communications devices each accessing said data storage devices based upon at least one of the plurality of different operating protocols; and

a protocol interface device comprising

a front-end proxy module communicating with said plurality of mobile wireless communications devices based upon respective operating protocols,

a protocol engine module communicating with said front-end proxy module,

a respective interface connector module translating communications between said protocol engine module and said plurality of data storage devices for each of the different operating protocols, and

a data store for storing supported operating protocols for each of said data storage devices and protocol capability ranking metrics for the operating protocols based upon a number of supported protocol features,

said protocol engine module cooperating with said data store for selecting a supported operating protocol for accessing each of said data storage devices based upon the protocol capability ranking metrics.

2. The communications system of claim 1 wherein said protocol engine module comprises a universal proxy servlet module.

3. The communications system of claim 2 wherein said protocol interface device further comprises a plurality of provider modules coupled between said universal proxy servlet module and said plurality of interface connector modules;

and wherein said universal proxy servlet module generates calls for said plurality of interface connector modules based upon respective data access requests from said front-end proxy module, and wherein said plurality of provider modules transfer the calls to respective interface connector modules.

4. The communications system of claim 1 wherein said interface connector modules comprise a Post Office Protocol (POP) connector module and an Internet Message Access Protocol (IMAP) connector module.

5. The communications system of claim 1 wherein said plurality of data storage devices, said plurality of mobile wireless communications devices, and said protocol interface device process electronic mail (e-mail) messages.

6. The communications system of claim 1 wherein said protocol interface device generates an error responsive to at least one non-supported operating protocol.

7. The communications system of claim 1 further comprising a wide area network (WAN) connecting at least one of said mobile wireless communications devices with said protocol interface device.

8. The communications system of claim 1 further comprising a wide area network (WAN) connecting at least one of said data storage devices with said protocol interface device.

9. A protocol interface device for interfacing a plurality of mobile wireless communications devices with a plurality of data storage devices, the mobile wireless communications devices and the data storage devices each using at least one of a plurality of different operating protocols, the protocol interface device comprising:

a front-end proxy module for communicating with the plurality of mobile wireless communications devices using respective operating protocols;

a protocol engine module communicating with the front-end proxy module,

a respective interface connector module for translating communications between said protocol engine module and the plurality of data storage devices f or each of the different operating protocols, and

a data store for storing supported operating protocols for each of said data storage devices and protocol capability ranking metrics for the operating protocols based upon a number of supported protocol features,

said protocol engine module cooperating with said data store for selecting a supported operating protocol for accessing each of said data storage devices based upon the protocol capability ranking metrics.

10. The protocol interface device of claim 9 wherein said protocol engine module comprises a universal proxy servlet module.

11. The protocol interface device of claim 10 further comprising a plurality of provider modules coupled between said universal proxy servlet module and said plurality of interface connector modules;

and wherein said universal proxy servlet module generates calls for said plurality of interface connector modules based upon respective data access requests from said front-end proxy module, and wherein said plurality of provider modules transfer the calls to respective interface connector modules.

12. The protocol interface device of claim 9 wherein the plurality of data storage devices, the plurality of mobile wireless communications devices, and the protocol interface device process electronic mail (e-mail) messages.

13. A protocol interface device for interfacing a plurality of communications devices with a plurality of data storage devices, the communications devices and the data storage devices each using at least one of a plurality of different operating protocols, the protocol interface device comprising:

a front-end proxy module for communicating with the plurality of communications devices using respective operating protocols;

a protocol engine module communicating with the front-end proxy module,

a respective interface connector module for translating communications between said protocol engine module and the plurality of data storage devices for each of the different operating protocols, and

a data store for storing supported operating protocols for each of said data storage devices and protocol capability ranking metrics for the operating protocols based upon a number of supported protocol features,

said protocol engine module cooperating with said data store for selecting a supported operating protocol for accessing each of said data storage devices based upon the protocol capability ranking metrics.

14. The protocol interface device of claim 13 wherein said protocol engine module comprises a universal proxy servlet module.

15. The protocol interface device of claim 14 further comprising a plurality of provider modules coupled between said universal proxy servlet module and said plurality of interface connector modules;

and wherein said universal proxy servlet module generates calls for said plurality of interface connector modules based upon respective data access requests from said front-end proxy module, and wherein said plurality of provider modules transfer the calls to respective interface connector modules.

16. The protocol interface device of claim 13 wherein the plurality of data storage devices, the plurality of mobile wireless communications devices, and the protocol interface device process electronic mail (e-mail) messages.

17. A method for interfacing a plurality of mobile wireless communications devices with a plurality of data storage devices, the mobile wireless communications devices and the data storage devices each using at least one of a plurality of different operating protocols, the method comprising:

providing a front-end proxy module for communicating with the plurality of mobile wireless communications devices using respective operating protocols;

providing a protocol engine module communicating with the front-end proxy module;

providing a respective interface connector module for translating communications between the protocol engine module and the plurality of data storage devices for each of the different operating protocols; and

providing a data store for storing supported operating protocols for each of said data storage devices and protocol capability ranking metrics for the operating protocols based upon a number of supported protocol features;

the protocol engine module cooperating with the data store for selecting a supported operating protocol for accessing each of said data storage devices based upon the protocol capability ranking metrics.

18. The method of claim 17 wherein the protocol engine module comprises a universal proxy servlet module.

19. The method of claim 18 further comprising a plurality of provider modules coupled between the universal proxy servlet module and the plurality of interface connector modules;

and wherein the universal proxy servlet module generates calls for the plurality of interface connector modules based upon respective data access requests from the front-end proxy module, and wherein the plurality of provider modules transfer the calls to respective interface connector modules.

20. The method of claim 17 wherein the plurality of data storage devices, the plurality of mobile wireless communications devices, and the protocol interface device process electronic mail (e-mail) messages.

21. A computer-readable medium having computer executable modules for interfacing a plurality of mobile wireless communications devices with a plurality of data storage devices, the mobile wireless communications devices and the data storage devices each using at least one of a plurality of different operating protocols, the computer-readable medium comprising:

a front-end proxy module for communicating with the plurality of mobile wireless communications devices using respective operating protocols;

a protocol engine module communicating with the front-end proxy module;

a respective interface connector module for translating communications between the protocol engine module and the plurality of data storage devices for each of the different operating protocols; and

a data store module for storing supported operating protocols for each of the data storage devices and protocol capability ranking metrics for the operating protocols based upon a number of supported protocol features;

said protocol engine module cooperating with said data store module for selecting a supported operating protocol for accessing each of the data storage devices based upon the protocol capability ranking metrics.

22. The computer-readable medium of claim 21 wherein the protocol engine module comprises a universal proxy servlet module.

23. The computer-readable medium of claim 22 further comprising a plurality of provider modules coupled between the universal proxy servlet module and the plurality of interface connector modules;

and wherein the universal proxy servlet module generates calls for the plurality of interface connector modules based upon respective data access requests from the front-end proxy module, and wherein the plurality of provider modules transfer the calls to respective interface connector modules.

24. The computer-readable medium of claim 21 wherein the plurality of data storage devices, the plurality of mobile wireless communications devices, and the protocol interface device process electronic mail (e-mail) messages.