Patent ID: 7385937
Filing Date: 2008-06-10
Classification: H04L

Abstract:
1. A method for determining a transmission path of datagrams in an IP network from a source device to a destination device, said method comprising the steps of: said source device receiving from a network manager station, a message for retrieving information related to the transmission path of datagrams to said destination device, said message comprising a destination address and a source address, said destination address being an IP address of the destination device, and said source address being an IP address of the network manager device; and said source device sending a plurality of probe datagrams to a respective plurality of IP network devices along the transmission path to the destination device, each of said probe datagrams comprising as destination address, the IP address of the destination device and as source address, the IP address of the network manager station, such that replies, if any, to said probe datagrams are sent back directly to the network manager station by the IP network device along the transmission path, bypassing said source device.