Home agent duplication method and home agent duplication apparatus
First Claim
1. A method for duplicating a home agent including an address correspondence maintaining unit for maintaining a destination address of a mobile terminal in correspondence with a home address of the mobile terminal, and a transferring unit for encapsulating an IP packet addressed to the home address of the mobile terminal and transferring the encapsulated IP packet to the destination address of the mobile terminal, the method comprising the steps of:
- setting a home agent address, which is the same as a home agent address of an operation system home agent, to a standby system home agent; and
receiving a location registration request, which is sent from the mobile terminal and addressed to the operation system home agent, with the standby system home agent.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for duplicating a home agent including an address correspondence maintaining unit for maintaining a destination address of a mobile terminal in correspondence with a home address of the mobile terminal, and a transferring unit for encapsulating an IP packet addressed to the home address of the mobile terminal and transferring the encapsulated IP packet to the destination address of the mobile terminal is disclosed. The method includes the steps of setting a home agent address, which is the same as a home agent address of an operation system home agent, to a standby system home agent, and receiving a location registration request, which is sent from the mobile terminal and addressed to the operation system home agent, with the standby system home agent.
166 Citations
14 Claims
-
1. A method for duplicating a home agent including an address correspondence maintaining unit for maintaining a destination address of a mobile terminal in correspondence with a home address of the mobile terminal, and a transferring unit for encapsulating an IP packet addressed to the home address of the mobile terminal and transferring the encapsulated IP packet to the destination address of the mobile terminal, the method comprising the steps of:
-
setting a home agent address, which is the same as a home agent address of an operation system home agent, to a standby system home agent; and
receiving a location registration request, which is sent from the mobile terminal and addressed to the operation system home agent, with the standby system home agent. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A standby system home agent used for a method for duplicating a home agent including an address correspondence maintaining unit for maintaining a destination address of a mobile terminal in correspondence with a home address of the mobile terminal, and a transferring unit for encapsulating an IP packet addressed to the home address of the mobile terminal and transferring the encapsulated IP packet to the destination address of the mobile terminal, the standby system home agent comprising:
-
a home agent address maintaining unit for maintaining a home agent address which is the same as a home agent of an operation system agent, wherein the standby system home agent receives a location registration request which is sent from the mobile terminal and addressed to the operation system home agent. - View Dependent Claims (9, 10, 11, 12)
-
-
13. An operation system home agent used for a method for duplicating a home agent including an address correspondence maintaining unit for maintaining a destination address of a mobile terminal in correspondence with a home address of the mobile terminal, and a transferring unit for encapsulating an IP packet addressed to the home address of the mobile terminal and transferring the encapsulated IP packet to the destination address of the mobile terminal, the operation system home agent comprising:
a transmitting unit for periodically transmitting location registration requests registered in an address correspondence maintaining unit of the operation system home agent to the standby system home agent. - View Dependent Claims (14)
Specification