Applying session services based on packet flows
First Claim
1. A method for identifying and applying session services to data packets, the method comprising the steps of:
- generating a first transmission profile wherein the first transmission profile contains information that maps data packets transferred onto a wireless link with a first set of session services;
generating a second transmission profile wherein the second transmission profile contains information that maps data packets received on the wireless link with a second set of session services; and
sending a traffic flow mapping message to an opposing end of the wireless link, wherein the traffic flow mapping message includes the second transmission profile.
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Abstract
Session services are employed in a networked computing environment to apply specific processing to an exchange of data between processes. In a wireless communication network, a single wireless link is typically shared among multiple users through wireless channels, which are allocated and switched among the users on a demand basis. Packets sent over the wireless link need to be signaled and tagged accordingly to initiate and employ the session service for the intended packets which comprise the flow. A method for identifying and applying session services to a wireless link includes identifying a packet flow over the wireless link corresponding to a received message by employing a flow identifier and filter. The packet flow corresponds to a session, and is mapped to at least one session service. The mapped session service is then applied to the received message. A session service may therefore be transparently applied to a packet flow over a wireless link independently of the other packet flows which may also be transmitted over the wireless link.
90 Citations
14 Claims
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1. A method for identifying and applying session services to data packets, the method comprising the steps of:
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generating a first transmission profile wherein the first transmission profile contains information that maps data packets transferred onto a wireless link with a first set of session services;
generating a second transmission profile wherein the second transmission profile contains information that maps data packets received on the wireless link with a second set of session services; and
sending a traffic flow mapping message to an opposing end of the wireless link, wherein the traffic flow mapping message includes the second transmission profile. - View Dependent Claims (2, 3, 4, 5)
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6. A method for associating a session service with a data packet flow, the method comprising the steps of:
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receiving a traffic flow mapping message, the traffic flow mapping message containing information that identifies the data packet flow and an associated session service to be applied to packets associated with the data packet flow; and
updating a flow table with the data packet flow and the associated session service information contained in the traffic flow mapping message wherein the flow table is operable to associate the session service with the data packet flow.
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7. An apparatus for identifying and applying session services to data packets, the apparatus comprising:
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a wireless link; and
a flow mapper configured to;
(a) generate a first transmission profile wherein the first transmission profile contains information that maps packets transferred onto the wireless link with a first set of session services, (b) generate a second transmission profile wherein the second transmission profile contains information that maps packets received on the wireless link with a second set of session services, and (c) send a traffic flow mapping message to an opposing end of the wireless link, the traffic flow mapping message including the second transmission profile. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A computer readable medium comprising computer executable instructions for:
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generating a first transmission profile wherein the first transmission profile maps data packets transferred onto a wireless link with a first set of session services;
generating a second transmission profile wherein the second transmission profile maps data packets received on the wireless link with a second set of session services; and
sending a traffic flow mapping message to an opposing end of the wireless link, the traffic flow mapping message including the second transmission profile. - View Dependent Claims (14)
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Specification