| 摘要 |
<p>A method of communication between a first node, second node, and a third node comprising the steps of providing a message to be transmitted from one of the first and third nodes to the other of said first and third nodes, said message being sent through said second node; applying any required security procedure; determining if said message is to have a security procedure applied thereto in the first and/or the third node; and providing information relating to said security procedure.</p> |
