Application Number: 00102604
Application Date: 2000.02.24
Publication Number: 1264977
Publication Date: 2000.08.30
Priority Information: 1999/2/26 EP 99301437.2
International: H04L29/06;H04L29/12
Applicant(s) Name: Lucent Technologies Inc.
Address:
Inventor(s) Name: Chen Xiaobao;Roannes Kriyaras;Anderia Paparaila
Patent Agency Code: 11038
Patent Agent: jiang shixun
Abstract There is provided a method of directing an internet protocol IP packet to a mobile node. The mobile node has a home address in a home network and is temporarily connectable in a foreign network having a foreign agent. The IP packet has a header portion including the destination address to which the IP packet is to be sent. The method comprises the steps of: receiving, in the home network, the IP packet including a destination address corresponding to the home address of the mobile node; modifying the IP packet by: removing the home address of the mobile node from the header portion of the IP packet and replacing it with the foreign agent care-of address; appending a mobile node identifier to the IP packet; and transmitting the modified IP packet.