Method of supporting communications mobility in a telecommunications system
First Claim
1. A system for use in improving communications mobility, comprising:
- a first session management agent module, said first session management agent module coupled to a first communications terminal; and
at least a second session management agent module, said first session management agent module coupled to said at least a second session management agent module and communicating therebetween in accordance with a session management protocol, wherein said session management protocol comprises a format for conducting a communications session between two session management agent modules, said communications session further comprising a terminal session level and an application session level.
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Abstract
A multilevel session management protocol is provided to support communications mobility in a telecommunications system. A session is separated into two independent layers—a terminal session layer and an application session layer. A session management agent is implemented as a module operating locally in a wireless terminal. A second session management agent is implemented as a module operating remotely in the Internet. Any session management agent module can communicate with another session management agent module by use of the session management protocol. The two session management agent modules use a multiplexed TCP connection for conveying TCP data traffic therebetween. As such, the session management protocol can be used with any application that uses an Internet TCP as a transport protocol.
81 Citations
21 Claims
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1. A system for use in improving communications mobility, comprising:
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a first session management agent module, said first session management agent module coupled to a first communications terminal; and
at least a second session management agent module, said first session management agent module coupled to said at least a second session management agent module and communicating therebetween in accordance with a session management protocol, wherein said session management protocol comprises a format for conducting a communications session between two session management agent modules, said communications session further comprising a terminal session level and an application session level. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A communications session architecture for use in improving communications mobility, comprising:
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an application session part, wherein said application session part comprises an application session level;
a terminal session part, wherein said terminal session part comprises a terminal session level; and
a session identifier, wherein said session identifier comprises a first part associated with said terminal session level, and a second part associated with said application session level, said session identifier coupling said application session part to said terminal session part. - View Dependent Claims (8, 9, 10, 11)
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12. A system for use in improving communications mobility, comprising:
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a first session management agent module, said first session management agent module coupled to a first communications terminal; and
at least a second session management agent module, said first session management agent module coupled to said at least a second session management agent module for conducting a communications session therebetween in accordance with a session management protocol, said communications session comprising a terminal session part and an application session part, a session identifier coupling said application session part to said terminal session part, wherein said session identifier comprises a first part associated with a terminal session level, and a second part associated with an application session level. - View Dependent Claims (13, 14, 15)
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16. A method for use in improving communications mobility, comprising the steps of:
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conveying session data from a first terminal to a first session management agent module;
conveying said session data from said first session management agent module to a second session management agent module by a multiplexed TCP connection and in accordance with a session management protocol, wherein said session management protocol comprises a format for conducting a communications session between two session management agent modules said communications session further comprising a terminal session level and an application session level; and
conveying said session data from said second session management agent module to a second terminal. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification