Methods and apparatus for Mobile IP Home Agent clustering
First Claim
1. In a first one of a plurality of Home Agents supporting Mobile IP, a method of processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP, comprising:
- receiving a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents;
sending the registration request to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent;
creating a temporary binding by the first one of the plurality of Home Agents between the Mobile Node and the Foreign Agent;
receiving a registration reply from the second one of the plurality of Home Agents;
updating the temporary binding by the first one of the plurality of Home Agents to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents; and
sending the registration reply to the Foreign Agent identified in the temporary binding.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods and apparatus for processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP are disclosed. In a first one of a plurality of Home Agents supporting Mobile IP, a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents is received. The registration request is then sent to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent. The first one of the plurality of Home Agents creates a temporary binding between the Mobile Node and the Foreign Agent. A registration reply is then received from the second one of the plurality of Home Agents. The temporary binding is then updated to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents. The registration reply is then sent to the Foreign Agent identified in the temporary binding.
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Citations
58 Claims
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1. In a first one of a plurality of Home Agents supporting Mobile IP, a method of processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP, comprising:
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receiving a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents; sending the registration request to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent; creating a temporary binding by the first one of the plurality of Home Agents between the Mobile Node and the Foreign Agent; receiving a registration reply from the second one of the plurality of Home Agents; updating the temporary binding by the first one of the plurality of Home Agents to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents; and sending the registration reply to the Foreign Agent identified in the temporary binding. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A first one of a plurality of Home Agents supporting Mobile IP, the first one of the plurality of Home Agents being adapted for processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP, comprising:
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means for receiving a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents; means for sending the registration request to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent; means for creating a temporary binding by the first one of the plurality of Home Agents between the Mobile Node and the Foreign Agent; means for receiving a registration reply from the second one of the plurality of Home Agents; means for updating the temporary binding by the first one of the plurality of Home Agents to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents; and means for sending the registration reply to the Foreign Agent identified in the temporary binding.
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30. A first one of a plurality of Home Agents supporting Mobile IP, the first one of the plurality of Home Agents being adapted for processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP, comprising:
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a processor; and a memory, at least one of the processor and the memory being adapted for; receiving a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents; sending the registration request to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent; creating a temporary binding by the first one of the plurality of Home Agents between the Mobile Node and the Foreign Agent; receiving a registration reply from the second one of the plurality of Home Agents; updating the temporary binding by the first one of the plurality of Home Agents to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents; and sending the registration reply to the Foreign Agent identified in the temporary binding. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A computer-readable medium storing thereon computer-readable instructions for processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP in a first one of a plurality of Home Agents supporting Mobile IP, comprising:
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instructions for receiving a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents; instructions for sending the registration request to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent; instructions for creating a temporary binding by the first one of the plurality of Home Agents between the Mobile Node and the Foreign Agent; instructions for receiving a registration reply from the second one of the plurality of Home Agents; instructions for updating the temporary binding by the first one of the plurality of Home Agents to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents; and instructions for sending the registration reply to the Foreign Agent identified in the temporary binding.
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Specification