Apparatus and method for converting a network message to a wireless transport message using a modular architecture

• US 6,347,340 B1
• Filed: 02/18/2000
• Issued: 02/12/2002
• Est. Priority Date: 02/18/2000
• Status: Expired due to Term

• Current Assignee: Mblox Incorporated (Sinch AB)
• Original Assignee: MobileSys, Inc. (Sinch AB)
• Inventors: Coelho, David R., Bernstein, David B.
• Primary Examiner(s): Luu, Le Hien
• Assistant Examiner(s): Jaroenchonwanit, Bunjob
• Application Number:
  US09/507,304
• Time in Patent Office: 725 Days
• Field of Search: 370/408, 370/466, 370/467, 370/913, 707/103, 709/203, 709/237, 709/246, 709/206, 709/103
• US Class Current: 709/246
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04L 51/58 Message adaptation for wireless communication
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• 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 4/12 Messaging; Mailboxes; Announcements
• CPC Class Codes: H04W 4/18 Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
• CPC Class Codes: Y10S 370/913 Wireless or radio

Abstract

A system to convert a network message into a wireless transport message includes a network-to-wireless transformation database with a message configuration table. An expansion agent processes a network message received from a computer network and information from the message configuration table to create a wireless transport message. The wireless transport message specifies attributes to facilitate the delivery of the network message to a wireless device. The attributes include a selected wireless message transport protocol and a selected wireless message transport conduit.

Claims

1. A system to convert a network message into a wireless transport message, comprising:

a network-to-wireless transformation database including a message configuration table, the message configuration table including a plurality of configuration nodes wherein at least a subset of the configuration nodes specify message handling attributes;

an expansion agent configured to create a wireless transport message from a network message received from a network source, the received network message including message information and a configuration node identifier for identifying a root configuration node, by;

constructing a directed acyclic graph (DAG) having a set of DAG nodes, in accordance with information from the configuration nodes and the received network message, each DAG node being associated with a respective configuration node;

traversing the DAG starting at the DAG node associated with the identified root configuration node to select a set of message handling attributes, including a selected wireless message transport protocol and a selected wireless message transport conduit; and

combining the selected set of message handling attributes with the message information;

a message-out structure for storing the wireless transport message; and

at least one message delivery mechanism for processing the wireless transport message from the message-out structure in accordance with the selected set of message handling attributes.

2. The system of claim 1, wherein the network source is selected from the group consisting of an electronic mail source, a web page source, a database source, a monitoring system source and a wireless receiver.

3. The system of claim 1 wherein each configuration node is defined by a first level node tag that specifies a unique identity and at least one of the following node classes:

default, agent, recipient, service, message, and license.

4. The system of claim 3 wherein at least one of the configuration nodes has a second level tag that includes information about at least one of the following node characteristics:

configuration, protocols, conduits, message content, node references, and license.

5. The system of claim 1 wherein the network-to-wireless transformation database includes a message-in table to receive the network message and the expansion agent processes the network message from the message-in table.

6. The system of claim 1 wherein the message-out structure includes a message status structure characterizing message parameters associated with the wireless transport message.

7. The system of claim 1 wherein the network-to-wireless transformation database includes an historical status structure to record delivery status of the wireless transport message.

8. The system of claim 1 wherein:

the network-to-wireless transformation database includes a protocol table and a conduit table;

each of the wireless message transport conduits supports a plurality of the wireless message transport protocols;

the protocol table includes a plurality of protocol entries, each protocol entry for one of the wireless message transport protocols supported by the network-to-wireless transformation database;

the conduit table includes a plurality of conduit entries, each conduit entry for one of the wireless message transport conduits supported by the network-to-wireless transformation database; and

the conduit entries are independent of the protocol entries.

9. The system of claim 1 wherein the at least one message delivery mechanism includes a first persistent message delivery mechanism that supports only a single pre-determined wireless message transport protocol and a single pre-determined wireless message transport conduit.

10. The system of claim 1 wherein the at least one message delivery mechanism includes a plurality of distinct persistent message delivery mechanisms, each of which supports only a respective single wireless message transport protocol and a respective single wireless message transport conduit, each of the distinct message delivery mechanisms supporting a distinct protocol and conduit combination.

11. The system of claim 1 wherein the at least one message delivery mechanism includes at least one of the following functions:

an initialization function, a clean-up function, a configuration function, a check function, a split function, a write function, a batch function, an open function and a close function.

12. The method of converting a network message into a wireless transport message, comprising:

receiving a network message from a network source, the received network message including message information and a configuration node identifier for identifying a root configuration node;

creating a wireless transport message by;

constructing a directed acyclic graph (DAG) having a plurality of DAG nodes, in accordance with information from configuration nodes in a message configuration table and the received network message, each DAG node associated with a respective configuration node; and

combining the message information with a set of message handling attributes selected by traversing the directed acyclic graph starting at the DAG node associated with the identified root configuration node, the selected set of message handling attributes including a selected wireless message transport protocol and a selected wireless message transport conduit;

storing the wireless transport message in a message-out structure; and

processing the wireless transport message from the message-out structure in accordance with the selected set of message handling attributes.

13. The method of claim 12 further comprising delivering the wireless transport message to a selected conduit corresponding to the selected wireless message transport conduit.

14. The method of claim 12 further comprising recording delivery status information for the wireless transport message.

15. The method of claim 12 wherein the processing the wireless transport message includes selecting one message delivery mechanism of a plurality of distinct respective message delivery mechanisms, each of which supports only a respective single wireless message transport protocol and a respective single wireless message transport conduit.

16. A system to convert a network message into a wireless transport message, comprising:

a network-to-wireless transformation database including a message configuration table, the message configuration table including a plurality of nodes containing information for assembling the nodes into a plurality of acyclic graphs;

at least a subset of the nodes in the message configuration table specifying message handling attributes;

an expansion agent to select a set of message handling attributes for a network message received from a network source, the received network message including message information and at least one node identifier for identifying at least one root node in the message configuration table, by;

processing nodes in the message configuration table reachable by traversing at least one of the acyclic graphs starting at the at least one identified root node; and

including message handling attributes, comprising a selected wireless message transport protocol and a selected wireless message transport conduit, specified by the processed nodes in the selected set of message handling attributes;

a message-out structure for storing the message information and the selected set of message handling attributes; and

at least one message delivery mechanism coupled to the message-out structure for delivering a wireless transport message in accordance with the message information and the selected set of message handling attributes stored in the message-out structure.

17. The system of claim 16, wherein the expansion agent is configured to:

generate an acyclic graph for the network message, the generated acyclic graph comprising nodes in the message configuration table reachable by traversing at least one of the acyclic graphs starting at the at least one root node identified by the received network message; and

process nodes of the generated acyclic graph to generate the selected set of message handling attributes.

18. The system of claim 16, wherein the network source is selected from the group consisting of an electronic mail source, a web page source, a database source, a monitoring system source and a wireless receiver.

19. The system of claim 16 wherein each node is defined by a first level node tag that specifies a unique identity and at least one of the following node classes:

default, agent, recipient, service, message, and license.

20. The system of claim 19 wherein at least one of the nodes has a second level tag that includes information about at least one of the following node characteristics:

configuration, protocols, conduits, message content, node references, and license.

21. The system of claim 16 wherein the network-to-wireless transformation database includes a message-in table to receive the network message and the expansion agent processes the network message from the message-in table.

22. The system of claim 16 wherein the message-out structure includes a message status structure characterizing message parameters associated with the wireless transport message.

23. The system of claim 16 wherein the network-to-wireless transformation database includes an historical status structure to record delivery status of the wireless transport message.

24. The system of claim 16 wherein:

the network-to-wireless transformation database includes a protocol table and a conduit table;

each of the wireless message transport conduits supports a plurality of the wireless message transport protocols;

the protocol table includes a plurality of protocol entries, each protocol entry for one of the wireless message transport protocols supported by the network-to-wireless transformation database;

the conduit table includes a plurality of conduit entries, each conduit entry for one of the wireless message transport conduits supported by the network-to-wireless transformation database; and

the conduit entries are independent of the protocol entries.

25. The system of claim 16 wherein the at least one message delivery mechanism includes a first message delivery mechanism that supports only a single pre-determined wireless message transport protocol and a single pre-determined wireless message transport conduit.

26. The system of claim 16 wherein the at least one message delivery mechanism includes a plurality of distinct message delivery mechanisms, each of which supports only a respective single wireless message transport protocol and a respective single wireless message transport conduit, each of the distinct message delivery mechanisms supporting a distinct protocol and conduit combination.

27. The system of claim 16 wherein the at least one message delivery mechanism includes at least one of the following functions:

an initialization function, a clean-up function, a configuration function, a check function, a split function, a write function, a batch function, an open function and a close function.

28. The method of converting a network message into a wireless transport message, comprising:

receiving a network message from a network source, the network message including message information and at least one node identifier for identifying at least one root node in the message configuration table;

selecting a set of message handling attributes for the network message by;

processing nodes in a message configuration table, a plurality of the nodes containing information for assembling the nodes into a plurality of acyclic graphs, the processed nodes comprising nodes reachable by traversing at least one of the acyclic graphs starting at the at least one identified root node; and

including message handling attributes, comprising a selected wireless message transport protocol and a selected wireless message transport conduit, specified by the processed nodes in the selected set of message handling attributes;

storing the message information and the selected set of message handling attributes in a message-out structure; and

delivering a wireless transport message in accordance with the message information and the selected set of message handling attributes stored in the message-out structure.

29. The method of claim 28 further comprising recording delivery status information for the wireless transport message.

30. The method of claim 28 wherein the delivering the wireless transport message includes selecting one message delivery mechanism of a plurality of distinct respective message delivery mechanisms, each of which supports only a respective single wireless message transport protocol and a respective single wireless message transport conduit.