Patent ID: 8027343
Filing Date: 2011-09-27
Classification: H04L,H04W

Abstract:
1. A communication system, comprising: at least one first communication network designed for communication according to a first protocol; at least one second communication network designed for communication according to a second protocol; at least one third communication network designed for communication according to the first and the second protocol, wherein the at least one first communication network and/or the at least one second communication network and/or the at least one third communication networks are coupled to one another for the exchange of messages; a mobile computer designed for communication according to the first and the second protocol; and a target computer that is designed for communication according to the first and/or second protocol and is a computer of the first or of the second or of the third communication network, and wherein when the mobile computer is connected to a network connection computer of the third communication network, the protocol to be used for communication with the network connection computer is determined before the establishment of a communication connection to the target computer, wherein the determination comprises a query message being transmitted by a sending computer to the target computer using a hop-by-hop message transmission mechanism, and at least one reply message being transmitted by the target computer to the sending computer and evaluated by the sending computer, the sending computer being either the mobile computer or the network connection computer.