Method for transmitting data packets based on message type

• US 5,729,544 A
• Filed: 05/09/1994
• Issued: 03/17/1998
• Est. Priority Date: 05/09/1994
• Status: Expired due to Term

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Averbuch, Rod, Cimet, Israel A., Lev, Valy
• Primary Examiner(s): TON, DANG T
• Application Number:
  US08/239,656
• Time in Patent Office: 1,408 Days
• Field of Search: 370/60, 370/60.1, 370/94.1, 370/85.7, 370/95.3, 370/95.1, 370/85.2, 370/351, 370/352, 370/353, 370/354, 370/355-357, 370/360, 370/385, 370/387-389 , 370/392, 370/395, 370/401, 370/467, 370/466, 370/465, 370/474, 455/39, 455/68, 455/53.1, 455/54.1, 455/54.2, 455/55.1, 455/56.1
• US Class Current: 370/352
• CPC Class Codes: H04L 12/5692 Selection among different networks
• CPC Class Codes: H04L 12/6418 Hybrid transport
• CPC Class Codes: H04L 2012/6456 Channel and bandwidth allocation
• CPC Class Codes: H04L 2012/647 Frame Relay, X.25
• CPC Class Codes: H04L 2012/6472 Internet
• CPC Class Codes: H04L 2012/6475 N-ISDN, Public Switched Telephone Network [PSTN]
• CPC Class Codes: H04L 2012/6486 Signalling Protocols
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

Data to be transmitted from an information source (301), associated with a local/wide area network (303), to a target destination (317) is formatted into a plurality of data packets. Based on a message type of the data packets, either a circuit-switched network (311) or a packet-switched network (309) is selected. When the circuit-switched network is chosen, a circuit-switched channel (314) is established to the target destination, and the data packets are transmitted to the target destination via the circuit-switched channel. When the packet-switched network is chosen, a packet-switched channel (313) is established to the target destination, and the data packets are transmitted to the target destination via the packet-switched channel.

Claims

1. A method comprising the steps of:

providing information to be transmitted, which information comprises one message type of a plurality of message types as indicated by a TCP session header included in the information;

formatting the information into a plurality of data packets;

automatically selecting as between a circuit switched network and a packet switched network based on the one message type indicated by the TCP session header, wherein the circuit switched network is selected when a long type is indicated by the one message type, and wherein the packet switched network is selected when a short type is indicated by the one message type;

when the circuit switched network is selected, establishing a circuit switched channel and transmitting the plurality of data packets via the circuit switched channel;

when the packet switched network is selected, establishing a packet switched channel and transmitting the plurality of data packets via the packet switched channel.

2. The method of claim 1 wherein the step of establishing the circuit switched channel includes the step of establishing an RF-based communication channel as the circuit switched channel.

3. The method of claim 1 wherein the step of establishing the packet switched channel includes the step of establishing an RF-based communication channel as the packet switched channel.

4. A method for communicating information between a source and at least one destination, the method comprising the steps of:

at the source;

providing information to be transmitted, which information comprises one message type of a plurality of message types as indicated by a TOP session header included in the information;

formatting the information into a plurality of data packets;

automatically selecting as between a circuit switched network and a packet switched network based on the one message type indicated by the TCP session header, wherein the circuit switched network is selected when a long type is indicated by the one message type, and wherein the packet switched network is selected when a short type is indicated by the one message type;

when the circuit switched network is selected, establishing a circuit switched channel and transmitting the plurality of data packets via the circuit switched channel;

when the packet switched network is selected, establishing a packet switched channel and transmitting the plurality of data packets via the packet switched channel;

at the at least one destination;

determining that the plurality of data packets is being transmitted as between the circuit switched network and the packet switched network;

when the plurality of data packets is transmitted over the circuit switched network, receiving the plurality of data packets via the circuit switched channel; and

when the plurality of data packets is transmitted over the packet switched network, receiving the plurality of data packets via the packet switched channel.

5. The method of claim 4 wherein the step of establishing the circuit switched channel includes the step of establishing an RF-based communication channel as the circuit switched channel.

6. The method of claim 4 wherein the step of establishing the packet switched channel includes the step of establishing an RF-based communication channel as the packet switched channel.