METHOD AND FUNCTION FOR MAINTAINING MAPPING BETWEEN MEDIA INDEPENDENT HANDOVER FUNCTIONS AND TRANSPORT ADDRESSES
First Claim
1. A method for maintaining mapping between entities within a media-independent handover (MIH) environment, the method comprising:
- accessing a mapping table to obtain at least one transport address corresponding to a peer MIH function, wherein the at least one transport address is used by a MIH transport protocol; and
invoking an operation regarding a mapping of the at least one transport address in the mapping table based on a change of a status of the peer MIH function.
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Abstract
A media-independent handover (MIH) environment supports a MIH function that uses a mapping table to communicate with other MIH functions using a MIH transport protocol. The MIH function updates the mapping table upon receipt of a message having fields to invoke an operation. The operation can update an existing mapping or delete a mapping. The operation also can update a lifetime value for a mapping for a particular address. The mapping table includes mappings. A mapping includes a MIH function identifier, a list of transport addresses, and a lifetime value.
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Citations
22 Claims
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1. A method for maintaining mapping between entities within a media-independent handover (MIH) environment, the method comprising:
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accessing a mapping table to obtain at least one transport address corresponding to a peer MIH function, wherein the at least one transport address is used by a MIH transport protocol; and invoking an operation regarding a mapping of the at least one transport address in the mapping table based on a change of a status of the peer MIH function. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for maintaining mapping within a media-independent handover (MIH) network having at least two MIH functions, the method comprising:
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generating a mapping table at a MIH function, wherein the mapping table includes a mapping having a MIH function identifier, a list of transport addresses and a lifetime value; receiving a message at the MIH function from a peer MIH function; and invoking an operation to update or delete the mapping in response to the message. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A media-independent handover (MIH) function within a network having a MIH transport protocol, the function comprising:
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a mapping table including a mapping to communicate with another MIH function within the network, wherein the mapping includes a MIH function identifier, a list of transport addresses and a lifetime value corresponding the other MIH function; and a transport protocol to provide a message from the other MIH function that invokes an operation to maintain the mapping based upon information within the fields of the message. - View Dependent Claims (17, 18, 19, 20)
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21. A method of maintaining mapping at an entity within a media-independent handover (MIH) environment, the method comprising:
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receiving a message at the entity indicating an operation to be invoked regarding a mapping within a mapping table at the entity, wherein the mapping table is used in communications by the entity; performing the operation for the mapping in the mapping table, wherein the operation updates a list of transport addresses in the mapping; and updating a lifetime value for the mapping based on information within a field in the message. - View Dependent Claims (22)
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Specification