Patent ID: 7499448
Filing Date: 2009-03-03
Classification: H04L

Abstract:
1. A method for data exchange between network elements, wherein a first network element is arranged in a first network domain with an address valid in the first network domain, wherein a second network element is arranged in a second network domain with an address valid in the second network domain, wherein a network node device is arranged between the network domains for forwarding a data packet to be sent by the first network element to the second network element, wherein the data packet comprises a characterizing part and a data part, wherein a destination address characterizing a receiving network element in the characterizing part of the data packet is translated under the control of the network node device into a destination address valid in the second network domain, the method comprising an address discovery comprising: the method further comprising entering into the data part by the first network element a source address of the first network element valid in the second network domain.