Method of transmitting packets of data in a telecommunication network and system implementing that method

• US 20050201374A1
• Filed: 03/11/2005
• Published: 09/15/2005
• Est. Priority Date: 03/12/2004
• Status: Active Grant

• Current Assignee: RPX Corporation
• Original Assignee: Alcatel SA (Nokia Corporation)
• Inventors: Marce, Olivier, Galand, Damien
• Granted Patent: US 7,567,563 B2
• Time in Patent Office: Days
• US Class Current: 370/389
• CPC Class Codes: H04L 45/00 Routing or path finding of packets in data switching networks routing or path finding in wireless networks H04W40/00
• CPC Class Codes: H04L 45/22 Alternate routing
• CPC Class Codes: H04L 45/28 using route fault recovery

Abstract

There is disclosed a method of transmitting data packets in a telecommunication network made up of nodes for dynamically routing successive packets sent by a sender to a receiver so that the packets may be routed along different routes and using a protocol such that a receiver receiving a request transmits a response to the sender of the request. At one or more nodes of the network the response is routed dynamically to the sender and a supplemental packet is generated that is sent to the sender of the request and whose route is predetermined.

Claims

1. A method of transmitting data packets in a telecommunication network made up of nodes for dynamically routing successive packets sent by a sender to a receiver so that said packets may be routed along different routes and using a protocol such that a receiver receiving a request transmits a response to the sender of said request, in which method, at one or more nodes of the network, said response is routed dynamically to said sender and a supplemental packet is generated that is to be sent to the sender of said request and whose route is predetermined.

2. The packet transmission method claimed in claim 1, wherein said predetermined route comprises at least one node on the route of said request.

3. The packet transmission method claimed in claim 2, wherein said predetermined route corresponds to the converse of the route of the request.

4. The packet transmission method claimed in claim 1, wherein said supplemental packet comprises a body identical to the body of said response.

5. The packet transmission method claimed in claim 1, wherein said node is a router using dynamic routing tables to forward a packet as a function of parameters such as the transmission delay or the network traffic.

6. The packet transmission method claimed in claim 1, wherein said network is the Internet.

7. The packet transmission method claimed in claim 1, wherein the route of the request is recorded as it passes through nodes of the network.

8. A server for transmitting data packets in a telecommunication network made up of nodes for dynamically routing successive packets sent by a sender to a receiver so that said packets may be routed along different routes and using a protocol such that a receiver receiving a request transmits a response to the sender of said request, which server comprises means whereby said response is routed dynamically to said sender and means whereby a supplemental packet is generated that is to be sent to the sender of said request and whose route is predetermined.

9. The server claimed in claim 8, comprising means whereby said predetermined route comprises at least one node on the route of said request.

10. The server claimed in claim 9, comprising means whereby said predetermined route corresponds-to the converse of the route of the request.

11. The server claimed in claim 8, comprising means whereby said supplemental packet comprises a body identical to the body of said response.

12. The server claimed in claim 8, wherein said node is a router using dynamic routing tables to forward a packet as a function of parameters such as the transmission delay or the network traffic.

13. The server claimed in claim 8, wherein said network is the Internet.

14. The server claimed in claim 8, comprising means whereby the route of the request is recorded as it passes through nodes of the network.