Importance

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Abstract

Methods and apparatus for registering with a Home Agent are disclosed. The network device sends a registration request having a home address field including an IP address to a Home Agent associated with the IP address. The registration request indicates one or more ports of the network device via which data packets or server requests addressed to the IP address are to be received. The ports may be specified in a port extension to the registration request. In addition, the registration request may indicate a priority to be associated with the registration. The Home Agent updates its mobility binding table with the IP address and care-of address, as well as other information specified in the registration request, such as port and/or priority information. The Home Agent then sends a registration reply to the network device. When the registration request is not sent directly by the network device (e.g., via a collocated care-of address), the Foreign Agent updates its visitor table upon receipt of the registration reply with the Home Agent address and IP address, as well as port and/or priority information. The registration reply is then sent to the network device. In this manner, multiple registrations for a single device or user may be established according to specified port(s), thereby enabiling various applications and/or devices to be prioritized.

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First Claim