Patent ID: 8514777

Claim:
A method comprising: transmitting, by a mobile node to a home agent, a first request to discover if the home agent supports location privacy solutions associated with concealing location information or movement information of the mobile node from eavesdroppers, wherein the first request comprises a first pseudo home address mobility option of a first payload packet, wherein the first pseudo home address mobility option of the first payload packet does not include any pseudo home address, wherein the first pseudo home address mobility option of the first payload packet comprises a first length field that is set to zero based on the first pseudo home address mobility option of the first payload packet not including any pseudo home address, and wherein the mobile node implements a host-based mobility protocol during wireless communications with the home agent; and in response to transmitting the first request, receiving, by the mobile node from the home agent, a first acknowledgement acknowledging that the home agent supports location privacy solution, wherein the first acknowledgement comprises a first pseudo home address acknowledgement mobility option, wherein the first pseudo home address acknowledgement mobility option does not include any pseudo home address, and wherein the first pseudo home address acknowledgement mobility option comprises a second length field that is set to zero based on the first pseudo home address acknowledgement mobility option not including any pseudo home address.