Method for performing handovers in a communication system
First Claim
1. A method comprising:
- establishing a transport layer association between a first mobile node and a second mobile node, said first mobile node using a first address in said establishing of said transport layer association;
detecting a handover condition in said first mobile node;
obtaining a second address for the use of said first mobile node;
updating said second address of said first mobile node to a first name server node;
indicating said second address of said first mobile node to said second mobile node;
waiting for a response from said second mobile node in said first mobile node;
upon receiving a new address for said second mobile node from a second name server node, repeating said indication of said second address of said first mobile node to said second mobile node, said repetition using said new address as a destination address for said second mobile node.
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Abstract
The invention relates to a method wherein a transport layer association is established. Thereafter, a handover condition is detected in the first mobile node, which obtains a second address. The second address is updated to a first name server node. A query message is sent to a second name server node for an address of the second mobile node. The second address is indicated to the second mobile node. The first mobile node waits for a response from the second name server node or the second mobile node. Upon receiving a new address for the second mobile node from the second name server node, the first mobile node repeats the indication of the second address of the first mobile node to the second mobile node using the new address as a destination address for the second mobile node.
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Citations
29 Claims
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1. A method comprising:
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establishing a transport layer association between a first mobile node and a second mobile node, said first mobile node using a first address in said establishing of said transport layer association; detecting a handover condition in said first mobile node; obtaining a second address for the use of said first mobile node; updating said second address of said first mobile node to a first name server node; indicating said second address of said first mobile node to said second mobile node; waiting for a response from said second mobile node in said first mobile node; upon receiving a new address for said second mobile node from a second name server node, repeating said indication of said second address of said first mobile node to said second mobile node, said repetition using said new address as a destination address for said second mobile node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An electronic device, comprising:
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a transport entity configured to establish a transport layer association between said electronic device and a second mobile node, said electronic device using a first address in said establishing of said transport layer association, to receive a second address for the use of said electronic device, to indicate said second address of said electronic device to said second mobile node, to wait for a response from said second mobile node, upon receiving a new address for said second mobile node from said second name server node, to repeat said indication of said second address of said electronic device to said second mobile node, said indication using said new address as a destination address for said second mobile node; a network entity configured to update said second address for said electronic device to a first name server node; and a network interface configured to detect a handover condition. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. An electronic device, comprising:
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means for establishing a transport layer association between said electronic device and a second network node, said electronic device using a first address in said establishing of said transport layer association; means for detecting a handover condition; means for obtaining a second address for the use of said electronic device; means for updating said second address of said electronic device to a first name server node; means for indicating said second address of said electronic device to said second mobile node; means for waiting for a response from said second mobile node in said electronic device; and means for repeating said indication of said second address of said electronic device to said second mobile node upon receiving a new address for said second mobile node from said second name server node, said repetition of said indication using said new address as a destination address for said second mobile node.
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24. A communication system, comprising:
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a mobile node configured to establish a transport layer association to a second mobile node, said mobile node using a first address in said establishing of said transport layer association, to detect a handover condition, to obtain a second address, to update said second address of said mobile node to a first name server node, to indicate said second address to said second mobile node, to wait for a response from said second mobile node, upon receiving a new address for said second mobile node from a second name server node, to repeat the indication of said second address of said mobile node to said second mobile node, said repeated indication using said new address as a destination address for said second mobile node; said second mobile node configured to establish a transport layer association with said mobile node and to receive an indication of said second address of said mobile node; and said first name server node configured to update of said second address for said mobile node. - View Dependent Claims (25, 26)
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27. A computer program embodied on a computer readable medium, the computer program comprising code for controlling a processor to execute a method comprising:
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establishing a transport layer association between a first mobile node and a second mobile node, said first mobile node using a first address in said establishing of said transport layer association; obtaining a second address for said first mobile node; updating said second address of said first mobile node to a first name server node; indicating said second address of said first mobile node to said second mobile node; waiting for a response from said second mobile node; upon receiving a new address for said second mobile node from said second name server node, repeating said indication of said second address of said first mobile node to said second mobile node, said repetition of said indication using said new address as a destination address for said second mobile node. - View Dependent Claims (28, 29)
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Specification