| 摘要 |
<p>This invention relates to a communications system comprising a first node, said first node arranged to have a plurality of addresses during a session a second node connectable to said first node, a secure connection being establishable between said first node and said second node, said first node being arranged to send information when the address of said first node changes during a session, said information comprising new address information and information relating to the identity of the first node.</p> |
