Patent ID: 7885274

Claim:
A method comprising: generating by a mobile router a home test message that includes a prefix option field specifying at least one mobile network prefix claimed to be owned by the mobile router; and outputting the home test message by the mobile router to a correspondent node via a prescribed home agent assigned to the mobile router, for initiation of a reverse routability test between the mobile router and the correspondent node that verifies the mobile router owns the at least one mobile network prefix; receiving, as part of the reverse routability test, a reply addressed to the mobile router from the correspondent node that includes the at least one mobile network prefix and at least one corresponding signature; and outputting a binding update message to the correspondent node in response to the reply, the binding update message specifying the at least one mobile network prefix is reachable via a home address used by the mobile router, the binding update message including the corresponding at least one signature specified in the reply.