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Unified Policy and Charging Controller  Hardware Description:  Services: Services Providing the XML/SOAP Interface Between the SPR and the Provisioning System SPR Geographic Redundancy Usage-based Dynamic Policy Control Duration-based Dynamic Policy Control Period-based Dynamic Policy Control Service Zone-based Dynamic Policy Control Terminal Type-based Dynamic Policy Control Shared Usage-based Dynamic Policy Control Roaming-Region-Based Dynamic Policy Control Rating-Based Dynamic Policy Control Subscription-Based Dynamic Policy Control Subscriber Notification PCRF Geographic Redundancy Sliding Window-based Dynamic Policy Control (Data Volume) Sliding Window-based Dynamic Policy Control (Duration) Default Quota Multi-PCEF Time Zone-based Dynamic Policy Control Sp interface over LDAP/SOAP Event Data Recording SPR File Output Function Enhancement to Usage-based Dynamic Policy Control with Customizable Quota Reset Date Enhancement to the Duration-based Dynamic Policy Control with Customizable Quota Reset Date Multi-Service APN Multi-Quota Enhancement to Subscriber Notification with Customized Threshold Enhancement to Usage-based Dynamic Policy Control with Top-up Quota Cell Congestion Control Policy Control over the Rx Interface Using Diameter Bandwidth on Demand URL Filtering NCS based Cell Congestion Control APN-based Dynamic Policy Control Tethering Control Default Bearer Dedicated Bearer Policy Control over the Gxx Interface Using Diameter
Architecture: Hardwae architecture & Software architecture Hardware Architecture: Board
Boards can be classified into the following types based on their position: Front board
The front boards, located in the front of a subrack, can be classified into the following types: UPB: processes data and services by using the service applications running on the board.
SWU: implements layer-2 network switching and optical switching.
SMU: manages the components in a subrack.
Back board
The back boards, installed back-to-back with the front boards, provide interfaces for the front boards. The back boards can be classified into the following types:
USI: interface board of the UPB
SWI: interface board of the SWU
SDM: interface board of the SMM
Backplane
The backplane, located between the front boards and the back boards, transmits signals between boards. OSTA architecture:  Software Architecture: The Unified Policy and Charging Controller (UPCC) adopts a distributed software structure. The functional software modules are distributed among the server boards and can be configured flexibly to accommodate different networking requirements. figure is given below  Logically, the UPCC consists of the Front End (FE) and the Back End (BE).
The FE processes protocol messages and service requests and manages policy data.
The BE, that is, the USCDB, stores and manages the subscriber data and provides open interfaces for data access.
Physically, the FE and BE are deployed at the same site and managed by the same OMU.
The UPCC consists of the following functional subsystems:
Service processing subsystem
Policy data management subsystem
Subscriber data management subsystem
Data service subsystem
Data storage subsystem
Operation and maintenance (O&M) subsystem
These subsystems communicate with each other over TCP/IP. The service processing
subsystem and policy data management subsystem comprise the FE; the subscriber
data management subsystem, data service subsystem, and data storage subsystem
comprise the BE. The O&M subsystem manages and maintains the other
subsystems Service Processing Subsystem Policy Data Management Subsystem Subscriber Data Management Subsystem Data Service Subsystem Data Storage Subsystem O&M Subsystem Interface & protocols 1. Physical interfaces 2.protocol interfaces maintenace interface: 1. Component object model (COM) serial port 2. BMC COM serial port 3. COM serial port 4. Ethernet port USCDB Protocol Interfaces 1. Data access interface 2.Service provisioning interface 3.Subscription and notification interface 4.Operation and maintenance (OM) interface UPCC protocol interfaces sp, Gx, GXx, Rx,Gpt, Edr,SMTP, etc Feature Description: Basic Features WHFD-101500 Subscriber Data Management WHFD-601000 Protocols and Interfaces WHFD-601100 Policy Data Management WHFD-602000 Operation & Maintenance Functions WHFD-604000 Reliability Function For detail you can see the link http://support.huawei.com/gsbbs/index.php?app=bbs&mod=Index&act=post&class=GS1000002005 | 
