A method of providing data integrity for data traffic for a mobile terminal during handover

摘要

The invention relates according to claim 1 to method of providing data integrity for data traffic (130) for a mobile terminal (102) during handover of the mobile terminal from a first foreign network (104) to a second foreign network (106), said mobile terminal being associated with a home agent (114) of a home network (108), said home network and said first and second foreign networks being linked with each other, said home agent being adapted to perform the method, said method comprising:- detecting the handover of the mobile terminal;- sending a first message (140) from said home agent to a first foreign agent (116) in response to the detection of the handover, said first foreign agent being hosted by the first foreign network, said first message indicating to the first foreign agent that further data packets (132,...,138) of the data traffic will be sent to a second foreign agent of the second foreign network, said first message (140) being further routed by the first foreign agent to the second foreign agent;- sending further data packets (136, 138) of the data traffic to the second foreign agent.