Source: https://patents.google.com/patent/US9621362
Timestamp: 2018-04-21 04:18:34
Document Index: 557310076

Matched Legal Cases: ['§7', '§8', '§8', '§8', '§8', '§8', '§10', '§7', '§8', '§8', '§8', '§8', '§8', '§10']

US9621362B2 - System and method for providing policy charging and rules function discovery in a network environment - Google Patents
US9621362B2
US9621362B2 US14612827 US201514612827A US9621362B2 US 9621362 B2 US9621362 B2 US 9621362B2 US 14612827 US14612827 US 14612827 US 201514612827 A US201514612827 A US 201514612827A US 9621362 B2 US9621362 B2 US 9621362B2
US14612827
US20160226669A1 (en )
In some cases, the method can include forwarding the request from the second DRA to the first DRA based, at least in part, on the origin-realm identifier included in the PCEF connectivity information. In still other cases, the method can include forwarding the request from the second DRA to a third DRA in a same origin-realm as the first DRA based, at least in part, on the-origin realm identifier included in the PCEF-connectivity information; and forwarding the request from the third DRA to the second DRA based, at least in part, on the origin-host identifier and a UE identifier included in the PCEF-connectivity information. In still other cases, the method can include receiving, by the first DRA, a request from the PCEF associated with the PGW served by the first DRA for a PCRF allocation for the first session for the UE; and selecting, by the first DRA, the PCRF to serve the first session for the UE.
In various embodiments, UE 112, 114 can be associated with users, employees, clients, customers, etc. wishing to initiate a flow in communication system 100 via some network. The terms ‘user equipment’, ‘mobile node’, ‘end user’, ‘user’, and ‘subscriber’ are inclusive of devices used to initiate a communication, such as a computer, a personal digital assistant (PDA), a laptop or electronic notebook, a cellular telephone, an i-Phone™, iPad™, a Google Droid™ phone, an IP phone, or any other device, component, element, or object capable of initiating voice, audio, video, media, or data exchanges within communication system 100. UE 112, 114 may also be inclusive of a suitable interface to a human user such as a microphone, a display, a keyboard, or other terminal equipment.
Turning to FIG. 11, FIG. 11 is a simplified flow diagram illustrating example operations 1100 associated with providing PCRF discovery in a network environment in accordance with one potential embodiment of the communication system. In various embodiments, the operations can be performed by a given UE (e.g., UE 112 and/or UE 114), a given AF (e.g., AF 116), a given PCRF (e.g., PCRF 118), a given PGW/PCEF (e.g., any of PGW 122/PCEF 132 and/or PGW 124/PCEF 134), a given DRA (e.g., any of DRAs 142, 144, 146, 148, 184, 144.1 and/or 144.2) and/or a load balancer (e.g., DRA load balancer 194), which can be provisioned in communication system 100.
establishing a first binding for a first session for a user equipment (UE), wherein the first binding includes, at least in part, policy charging and enforcement function (PCEF) connectivity information for a PCEF associated with a packet data network gateway hosting the first session for the UE, wherein the first binding is established by a first DIAMETER routing agent (DRA) serving the packet data network gateway in a first IP domain and wherein the PCEF connectivity information comprises an origin-host identifier and an origin-realm identifier for the packet data network gateway;
receiving a request by a second DRA in a second IP domain associated with establishing a second session for the UE, wherein the request includes, at least in part, the PCEF connectivity information;
forwarding the request from the second DRA to the first DRA based, at least in part, on the origin-realm identifier included in the PCEF connectivity information;
determining a policy charging and rules function (PCRF) serving the first session for the UE based, at least in part, on the PCEF connectivity information; and
binding the second session for the UE with the first session for the UE based, at least in part, on the PCEF connectivity information.
2. The method of claim 1, wherein the first session for the UE is associated with a Gx session for the UE and wherein the second session for the UE is associated with an Rx session for the UE.
3. The method of claim 1, wherein the origin-host identifier identifies the packet data network gateway using a fully qualified domain name (FQDN) for the packet data network gateway and the origin-realm identifier identifies the first IP domain.
receiving, by the first DRA, a request from the PCEF associated with the packet data network gateway served by the first DRA for a PCRF allocation for the first session for the UE; and
selecting, by the first DRA, the PCRF to serve the first session for the UE.
5. The method of claim 1, wherein the first binding further includes, at least one of:
an identity of the UE;
an IP address assigned to the UE for the first session; and
an identifier of the PCRF serving the first session for the UE.
6. The method of claim 5, wherein the determining is performed by the first DRA in the first IP domain based on the first binding.
7. The method of claim 1, wherein the request is an Authorization and Authentication Request (AAR) message received for the UE.
9. The media of claim 8, wherein the first session for the UE is associated with a Gx session for the UE and wherein the second session for the UE is associated with an Rx session for the UE.
10. The media of claim 8, wherein the origin-host identifier identifies the packet data network gateway using a fully qualified domain name (FQDN) for the packet data network gateway and the origin-realm identifier identifies the first IP domain.
11. The media of claim 8, wherein the first binding further includes, at least one of:
12. The media of claim 8, wherein the request is an Authorization and Authentication Request (AAR) message received for the UE.
establishing a first binding for a first session for a user equipment (UE), wherein the first binding includes, at least in part, policy charging and enforcement function (PCEF) connectivity information for a PCEF associated with a packet data network gateway hosting the first session for the UE, wherein the first binding is established by the first DRA serving the packet data network gateway in a first IP domain and wherein the PCEF connectivity information comprises an origin-host identifier and an origin-realm identifier for the packet data network gateway;
15. The system of claim 14, wherein the first session for the UE is associated with a Gx session for the UE and wherein the second session for the UE is associated with an Rx session for the UE.
16. The system of claim 14, wherein the origin-host identifier identifies the packet data network gateway using a fully qualified domain name (FQDN) for the packet data network gateway and the origin-realm identifier identifies the first IP domain.
17. The system of claim 14, wherein the system is further configured for:
18. The system of claim 14, wherein the first binding further includes, at least one of:
19. The system of claim 18, wherein the determining is performed by the first DRA in the first IP domain based on the first binding.
20. The system of claim 14, wherein the request is an Authorization and Authentication Request (AAR) message received for the UE.
US14612827 2015-02-03 2015-02-03 System and method for providing policy charging and rules function discovery in a network environment Active 2035-05-08 US9621362B2 (en)
PCT/US2016/013931 WO2016126413A1 (en) 2015-02-03 2016-01-19 System and method for discovering a policy charging and rules function (pcrf) in a network environment
CN 201680008457 CN107409068A (en) 2015-02-03 2016-01-19 System and method for distributing policy charging and enforcement function connectivity information in a network environment
CN 201680008437 CN107409067A (en) 2015-02-03 2016-01-19 System and method for discovering a policy charging and rules function (pcrf) in a network environment
EP20160703670 EP3254406A1 (en) 2015-02-03 2016-01-19 System and method for discovering a policy charging and rules function (pcrf) in a network environment
US14614500 Continuation US9755843B2 (en) 2015-02-03 2015-02-05 System and method for providing policy charging and rules function discovery in a network environment
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