Communications system providing multi-layered extensible protocol interface and related methods

• US 7,774,486 B2
• Filed: 02/12/2004
• Issued: 08/10/2010
• 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
• Primary Examiner(s): PATEL, ASHOKKUMAR B
• Application Number:
  US10/778,709
• Publication Number:
  US 20050036513A1
• Time in Patent Office: 2,371 Days
• Field of Search: 709/230, 709/231, 709/246, 709/250, 707/1, 707/2, 707/6, 707/7, 719/319, 370/395.52, 370/466, 370/467, 370/469, 715/238, 715/239, 715/864, 715/866
• 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 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• CPC Class Codes: H04L 67/2871 Implementation details of single intermediate entities
• 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 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• CPC Class Codes: H04L 69/18 Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor
• CPC Class Codes: H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: H04W 88/182 Network node acting on behalf of an other network entity, e.g. proxy

Abstract

A communications system may include data storage devices each using at least one of a plurality of different operating protocols, and mobile wireless communications devices (MWCDs) for accessing the data storage devices and each using at least one of the different operating protocols. The system may further include a protocol interface device, which may include a protocol engine module for communicating with the data storage devices using respective operating protocols. The protocol interface device may further include a front-end proxy module coupled to the protocol engine. The front-end proxy module may include a respective proxy module for communicating with the MWCDs using each different operating protocol. The front-end proxy module may also include one or more common core service modules coupled to the proxy modules and communicating therewith at a first layer, and communicating with the protocol engine module at a second layer lower than the first layer.

Claims

1. A communications system comprising:

a plurality of electronic mail (email) data storage devices each using at least one of a plurality of different operating protocols;

a plurality of mobile wireless communications devices for accessing email messages stored on said plurality of email data storage devices and each using at least one of the plurality of different operating protocols; and

a protocol interface device for processing data in accordance with a multi-layer protocol model and comprising

a protocol engine module for communicating with said plurality of email data storage devices using respective operating protocols,

a front-end proxy module coupled to said protocol engine and comprising

a respective proxy module for communicating with said plurality of mobile wireless communications devices using each different operating protocol, and

at least one common core service module coupled to said proxy modules and communicating therewith at a first layer of the multi-layer protocol model and communicating with said protocol engine module at a second layer of the multi-layer protocol model lower than the first layer, and

said at least one common core service module comprising a renderer module configurable to define and implement an interface between said proxy modules and said plurality of mobile wireless communications devices for supporting a new different operating protocol.

2. The communications system of claim 1 wherein the first layer comprises a network layer, and wherein the second layer comprises a data layer.

3. The communications system of claim 1 wherein said protocol interface device further comprises at least one configuration file module coupled to said at least one common core service module for storing a first set of configuration files for configuring common core services at the first layer, and for storing a second set of configuration files for configuring common core services at the second layer.

4. The communications system of claim 1 wherein said at least one common core service module is for at least one of routing traffic between said proxy modules and said protocol engine module, accessing data from said plurality of data storage devices, and rendering data for said plurality of mobile wireless communications devices.

5. The communications system of claim 1 wherein said plurality of proxy modules convert access requests from said plurality of mobile wireless communications devices to common access parameters supported by all of said email data storage devices;

and wherein said front-end proxy module further comprises a flow controller module for receiving the common access parameters from said plurality of proxy modules and selecting desired handlers for processing thereof.

6. The communications system of claim 1 wherein said at least one common core service module further comprises an extensible mark-up language (XML) engine module coupled to said renderer module.

7. The communications system of claim 6 wherein said XML engine module comprises an extensible stylesheet language transformations (XSLT) engine module.

8. The communications system of claim 6 wherein said at least one common core service module further comprises a memory coupled to said XML engine module for storing a plurality of templates corresponding to respective operating protocols.

9. A protocol interface device for interfacing a plurality of mobile wireless communications devices with a plurality of electronic mail (email) data storage devices, the mobile wireless communications devices and the email data storage devices each using at least one of a plurality of different operating protocols, and the protocol interface device processing data in accordance with a multi-layer protocol model, the protocol interface device comprising:

a protocol engine module for communicating with the plurality of email data storage devices using respective operating protocols;

a front-end proxy module coupled to said protocol engine and comprising

a respective proxy module for communicating with the plurality of mobile wireless communications devices using each different operating protocol, and

at least one common core service module coupled to said proxy modules and communicating therewith at a first layer of the multi-layer protocol model and communicating with said protocol engine module at a second layer of the multi-layer protocol model lower than the first layer,

said at least one common core service module comprising a renderer module configurable to define and implement an interface between said proxy modules and said plurality of mobile wireless communications devices for supporting a new different operating protocol.

10. The protocol interface device of claim 9 wherein the first layer comprises a network layer, and wherein the second layer comprises a data layer.

11. The protocol interface device of claim 9 further comprising at least one configuration file module coupled to said at least one common core service module for storing a first set of configuration files for configuring common core services at the first layer, and for storing a second set of configuration files for configuring common core services at the second layer.

12. The protocol interface device of claim 9 wherein said at least one common core service module is for at least one of routing traffic between said proxy modules and said protocol engine module, accessing data from the plurality of data storage devices, and rendering data for the plurality of mobile wireless communications devices.

13. The protocol interface device of claim 9 wherein said plurality of proxy modules convert access requests from the plurality of mobile wireless communications devices to common access parameters supported by all of the email data storage devices;

and wherein said front-end proxy module further comprises a flow controller module for receiving the common access parameters from the plurality of proxy modules and selecting desired handlers for processing thereof.

14. A protocol interface device for interfacing a plurality of communications devices with a plurality of electronic mail (email) data storage devices, the communications devices and the email data storage devices each using at least one of a plurality of different operating protocols, and the protocol interface device processing data in accordance with a multi-layer protocol model, the protocol interface device comprising:

a protocol engine module for communicating with the plurality of email data storage devices using respective operating protocols;

a front-end proxy module coupled to said protocol engine and comprising

a respective proxy module for communicating with the plurality of communications devices using each different operating protocol, and

at least one common core service module coupled to said proxy modules and communicating therewith at a first layer of the multi-layer protocol model and communicating with said protocol engine module at a second layer of the multi-layer protocol model lower than the first layer,

said at least one common core service module comprising a renderer module configurable to define and implement an interface between said proxy modules and said plurality of mobile wireless communications devices for supporting a new different operating protocol.

15. The protocol interface device of claim 14 wherein the first layer comprises a network layer, and wherein the second layer comprises a data layer.

16. The protocol interface device of claim 14 further comprising at least one configuration file module coupled to said at least one common core service module for storing a first set of configuration files for configuring common core services at the first layer, and for storing a second set of configuration files for configuring common core services at the second layer.

17. The protocol interface device of claim 14 wherein said at least one common core service module is for at least one of routing traffic between said proxy modules and said protocol engine module, accessing data from the plurality of data storage devices, and rendering data for the plurality of communications devices.

18. The protocol interface device of claim 14 wherein said plurality of proxy modules convert access requests from the plurality of communications devices to common access parameters supported by all of the email data storage devices;

and wherein said front-end proxy module further comprises a flow controller module for receiving the common access parameters from the plurality of proxy modules and selecting desired handlers for processing thereof.

19. A method for interfacing a plurality of mobile wireless communications devices with a plurality of electronic mail (email) data storage devices based upon a multi-layer protocol model, the mobile wireless communications devices and the email data storage devices each using at least one of a plurality of different operating protocols, the method comprising:

providing a protocol engine module for communicating with the plurality of email data storage devices using respective operating protocols;

providing a front-end proxy module comprising

a respective proxy module for communicating with the plurality of mobile wireless communications devices using each different operating protocol, and

at least one common core service module coupled to the proxy modules and communicating therewith at a first layer of the multi-layer protocol model and communicating with the protocol engine module at a second layer of the multi-layer protocol model lower than the first layer,

the at least one common core service module comprising a renderer module configurable to define and implement an interface between the proxy modules and said plurality of mobile wireless communications devices for supporting a new different operating protocol.

20. The method of claim 19 wherein the first layer comprises a network layer, and wherein the second layer comprises a data layer.

21. The method of claim 19 further comprising coupling at least one configuration file module to the at least one common core service module for storing a first set of configuration files for configuring common core services at the first layer, and for storing a second set of configuration files for configuring common core services at the second layer.

22. The method of claim 19 wherein the at least one common core service module is for at least one of routing traffic between the proxy modules and the protocol engine module, accessing data from the plurality of data storage devices, and rendering data for the plurality of mobile wireless communications devices.

23. The method of claim 19 wherein the plurality of proxy modules convert access requests from the plurality of mobile wireless communications devices to common access parameters supported by all of said email data storage devices;

and wherein the front-end proxy module further comprises a flow controller module for receiving the common access parameters from the plurality of proxy modules and selecting desired handlers for processing thereof.

24. A computer-readable medium for interfacing a plurality of mobile wireless communications devices with a plurality of electronic mail (email) data storage devices based upon a multi-layer protocol model, the mobile wireless communications devices and the email data storage devices each using at least one of a plurality of different operating protocols, the computer-readable medium comprising:

a protocol engine module for communicating with the plurality of email data storage devices using respective operating protocols;

a front-end proxy module comprising

a respective proxy module for communicating with the plurality of mobile wireless communications devices using each different operating protocol, and

at least one common core service module coupled to the proxy modules and communicating therewith at a first layer of the multi-layer protocol model and communicating with the protocol engine module at a second layer of the multi-layer protocol model lower than the first layer,

the at least one common core service module comprising a renderer module configurable to define and implement an interface between said proxy modules and said plurality of mobile wireless communications devices for supporting a new different operating protocol.

25. The computer-readable medium of claim 24 wherein the first layer comprises a network layer, and wherein the second layer comprises a data layer.

26. The computer-readable medium of claim 24 further comprising at least one configuration file module coupled to the at least one common core service module for storing a first set of configuration files for configuring common core services at the first layer, and for storing a second set of configuration files for configuring common core services at the second layer.

27. The computer-readable medium of claim 24 wherein the at least one common core service module is for at least one of routing traffic between the proxy modules and the protocol engine module, accessing data from the plurality of data storage devices, and rendering data for the plurality of mobile wireless communications devices.

28. The computer-readable medium of claim 24 wherein the plurality of proxy modules convert access requests from the plurality of mobile wireless communications devices to common access parameters supported by all of said email data storage devices;

and wherein the front-end proxy module further comprises a flow controller module for receiving the common access parameters from the plurality of proxy modules and selecting desired handlers for processing thereof.