Policy Controller (PCRF)
PROTEI Policy Controller is an intellectual node regulating policy and charging parameters of mobile broadband subscribers in 3G and LTE networks. Equipped with a flexible and easy-to-manage policy decision engine PROTEI Policy Controller allows to implement mobile network operator’s business need in policy and charging rules providing dynamic distribution of limited broadband network resources.
Policy and charging control in modern networks implies dynamic per-service modification of available bandwidth and money debiting rules during ongoing Internet session depending on the type of service, subscriber profile parameters, subscriber historical data, date and time and commands from external systems like subscriber portal. Besides data channel parameters control PROTEI Policy Controller allows to manage content-filtering rules for the subscribers providing parental control or corporate control services.
As more and more new Internet applications appear, the amount of traffic types requiring different QoS parameters of mobile network grows as well. To guarantee appropriate level of service quality mobile network operators need an intellectual mechanism of bandwidth redistribution and relevant charging of broadband subscribers. As a 3GPP-compliant PCRF (Policy and Charging Rules Function) PROTEI Policy Controller allows to change properties of data channel allocated to a subscriber and apply charging rules dynamically during Internet session. As a result, 3G or LTE network equipped with PROTEI Policy controller adapts its characteristics according to changing external conditions (network overloads, traffic mix change and so on) for the most effective monetizing of mobile broadband network infrastructure.
- Gx-interface towards GGSN, PDN-GW or DPI. This Diameter-based interface is used for policy and charging rules transfer to policy enforcement point (PE
- Sp-interface (Diameter or XML) allows to receive subscriber-related information from subscriber profile repository. Such information may contain available bandwidth charging category, priorities, supported bearers (e.g. audio, video), historical information, age and other service-related data.
- Rx-interface towards external applications which may require a capability to modify the parameters of subscriber’s Internet connection. This interface is Diameter-based, XML-based exchange is also supported
- In 3GPP Release R8+ compliant networks PROTEI Policy Controller also supports Gxc-interface, used for policy and charging rules transfer to S-GW, and S9 interface, towards VPCRF in roaming scenarios.
Slackware Linux, Red Hat Linux
HP ProLiant DL360 G7,
HP ProLiant DL360 G7 server blade
1+1 hot redundancy with no single point of failure, 99,999% availability, hot-swappable blades, zero downtime configuration updates