Patent ID: 8493910

Claim:
An apparatus comprising: a mobile router (MR) configured to communicate a plurality of Mobile Network Prefixes (MNPs) to a plurality of mobile nodes (MNs), wherein the MR is configured to: obtain from a home agent (HA) the MNPs for the MNs using a binding update (BU) message and a binding acknowledgement (BA) message, wherein the BU message comprises a Home Link Exchange (C) flag and a plurality of Home Network Prefix options, wherein the C flag is set to indicate that the MR is connected to the HA via a home link, and wherein each of the Home Network Prefix options comprises a Request (Q) flag that is set to indicate a prefix request; boot up over a visited link after obtaining the plurality of MNPs; and obtain from the HA a second plurality of MNPs for the MNs using a second BU message comprising a second plurality of Home Network Prefix Options, wherein the second BU message further comprises a second C flag that is cleared to indicate that the MR is connected to the HA via a visited link.