SYSTEM AND METHOD FOR PROVIDING POLICY CHARGING AND RULES FUNCTION DISCOVERY IN A NETWORK ENVIRONMENT
First Claim
1. A method for a communication network comprising:
- exchanging policy and charging enforcement function (PCEF) connectivity information between a plurality of DRAs interconnected via a plurality of Internet protocol (IP) domains; and
maintaining, for each of the plurality of DRAs, PCEF connectivity information for one or more peer DRAs to which each of the plurality of DRAs is interconnected.
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Abstract
A method is provided in one example embodiment and may include establishing a first binding for a first session for a UE, wherein the first binding includes, at least in part, PCEF connectivity information for a PCEF associated with a PGW hosting the first session for the UE, wherein the first binding is established by a first DRA in a first IP domain; receiving a request by second DRA in a second IP domain associated with establishing a second session for the UE; determining a PCRF serving the first session for the UE; and binding the second session for the UE with the first session for the UE. A method is provided in another example embodiment and may include exchanging PCEF connectivity information over a Dr interface between a plurality DRAs and maintaining PCEF connectivity information for one or more peer DRAs to which each DRA is connected.
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Citations
20 Claims
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1. A method for a communication network comprising:
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exchanging policy and charging enforcement function (PCEF) connectivity information between a plurality of DRAs interconnected via a plurality of Internet protocol (IP) domains; and maintaining, for each of the plurality of DRAs, PCEF connectivity information for one or more peer DRAs to which each of the plurality of DRAs is interconnected. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. One or more non-transitory tangible media encoding logic that includes instructions for execution that when executed by a processor, is operable to perform operations comprising:
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exchanging policy and charging enforcement function (PCEF) connectivity information between a plurality of DRAs interconnected via a plurality of Internet protocol (IP) domains; and maintaining, for each of the plurality of DRAs, PCEF connectivity information for one or more peer DRAs to which each of the plurality of DRAs is interconnected. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An system, comprising:
a first DIAMETER routing agent (DRA) comprising; a memory element for storing data; and a processor that executes instructions associated with the data, wherein the processor and the memory element cooperate such that the system is configured for; exchanging policy and charging enforcement function (PCEF) connectivity information between a plurality of DRAs interconnected with the first DRA via a plurality of Internet protocol (IP) domains; and maintaining, for each of the plurality of DRAs, PCEF connectivity information for one or more peer DRAs to which each of the plurality of DRAs is interconnected. - View Dependent Claims (16, 17, 18, 19, 20)
Specification