Light Reading
Dedicated policy equipment that enables the policy function for bandwidth and charging on multimedia networks

Policy and Charging Rules Function (PCRF)

Sarah Reedy
9/13/2010
50%
50%

Dedicated policy equipment standardized in 3GPP that enables the policy function for bandwidth and charging on multimedia networks.

PCRF is a fairly new term, introduced in September 2007 when standards for the 3GPP Policy Charging Control (PCC) architecture were published. The PCRF function is part of the larger PCC architecture, which also includes the Proxy Call Session Control Function (P-CSCF) and the Policy and Charging Enforcement Function (PCEF).

Combined, the elements of the PCC provide access, resource, and quality-of-service (QoS) control.

PCRF is an important part of IMS architectures, although it is not exclusive to the 3GPP-based network in which it was certified. It works across wireless networks and can come pre-integrated in a standard IT server.

PCRF is often referred to as policy server or -- formerly -- a Policy Decision Function (PDF).

PCRF is an important element in Service Provider Information Technology (SPIT). The PCRF interfaces with the main packet gateway and takes charging enforcement decisions on its behalf. The centralized device can act as a policy decision point (PDP) for the wireless operator and gets as granular as individual subscribers.

For example, service providers can use PCRF to charge subscribers based on their volume of usage of high-bandwidth applications, charge extra for QoS guarantees, limit app usage while a user is roaming, or lower the bandwidth of wireless subscribers using heavy-bandwidth apps during peak usage times. (See The SPIT Manifesto.)

Companies that offer PCRF functionality include the major equipment vendors -- Alcatel-Lucent (NYSE: ALU), Ericsson AB (Nasdaq: ERIC), Hewlett-Packard Co. (NYSE: HPQ), Juniper Networks Inc. (NYSE: JNPR), and Nokia Networks -- and specialists, including Bridgewater Systems Corp. (Toronto: BWC), BroadHop Inc. , Camiant Inc. (now part of Tekelec ), Openet Telecom Ltd. , Telcordia Technologies Inc. , and Volubill .

For more on PCRF, check out:

(0)  | 
Comment  | 
Print  | 
Newest First  |  Oldest First  |  Threaded View
Flash Poll
From The Founder
It's clear to me that the communications industry is divided into two types of people, and only one is living in the real world.
LRTV Interviews
CenturyLink: Building the Case for NFV

12|19|14   |   02:14   |   (0) comments


At the 2020 Vision Executive Summit, James Feger, VP, Network Strategy & Development at CenturyLink, talks about how the US operator is approaching virtual network functions from an operational and business case perspective.
LRTV Interviews
Liberty Global Sees Business Goldmine

12|18|14   |     |   (0) comments


Steen Sorensen, VP of business services for Liberty Global, explains where the giant international MSO sees growth potential.
LRTV Documentaries
EE: The Road to 5G

12|16|14   |   16:02   |   (1) comment


Andy Sutton, the principal network architect at UK mobile operator EE, explains how his company is using Wembley stadium as a wireless test bed and how that's helping EE to plan the evolution to 5G.
LRTV Huawei Video Resource Center
Highlights of Huawei's NFV Open Cloud Forum 2014

12|16|14   |     |   (0) comments


Huawei hosted its inaugural NFV Open Cloud Forum during the SDN & OpenFlow World Congress 2014 in Düsseldorf, Germany. The Forum brought together technology thought leaders, senior executives and telecom professionals from global carriers, industry associations, as well as other partner companies in the ecosystem, to exchange views on and collectively explore how ...
LRTV Custom TV
Realizing Operators' Digital Vision

12|16|14   |   5:23   |   (0) comments


Leveraging technology is fundamental to digital transformation but understanding customers and serving them really well is at the heart of digital businesses. TM Forum lists the following as the strategic pillars of the digital business: business agility and rapid innovation, operational agility and effectiveness, IT and data centricity, plus customer centricity. ...
LRTV Documentaries
US Cellular Injects Analytics Into LTE

12|16|14   |   2:57   |   (1) comment


US Cellular's Mario Vela explains how the operator uses analytics for network planning and what comes next as the carrier looks to eke more value out of its metrics.
LRTV Interviews
How Cox Biz Plans to Keep Growing

12|15|14   |     |   (2) comments


Steve Rowley, SVP of Cox Business, details how the third-biggest US MSO intends to boost its revenues to $2 billion and beyond over the rest of the decade
LRTV Huawei Video Resource Center
Interview With Bill Zhang, Director of SoftCOM Product Management, Huawei

12|15|14   |   2:50   |   (0) comments


Bill Zhang elaborated on Huawei's open philosophy in NFV solution development and network architecture design at the SDN & OpenFlow World Congress 2014.
LRTV Huawei Video Resource Center
Event Highlights: Huawei at SDN & OpenFlow World Congress 2014

12|15|14   |   3:43   |   (0) comments


Huawei joined the 2014 SDN & OpenFlow Congress as one of the key sponsors and contributors. At the event, Huawei reinforced the openness and flexibility of its network infrastructure strategies, and provided updates on its SDN and NVF innovations. Through participations at the exhibitions, forums and speeches, Huawei encouraged the industry to "think bigger and ...
LRTV Interviews
How Cable Biz Services Hit $10B Mark

12|12|14   |     |   (1) comment


Cable operators reached $10 billion in annual business services revenues by delving deeper into their vertical markets and expanding beyond the smallest firms.
LRTV Documentaries
Mediacom Aims to Test Connected Tractors

12|11|14   |   05:07   |   (3) comments


Cable business service provider is taking its services to the 'agribusiness' sector in partnership with farm equipment specialist John Deere and is getting involved in Gigabit Cities developments.
LRTV Interviews
TWC Business Looks Beyond $3B

12|10|14   |     |   (0) comments


TWC Business Services chief Phil Meeks explains how his unit has reached $3 billion in annual revenues and what its plans are for next year.
Upcoming Live Events
February 10, 2015, The Westin Peachtree Plaza, Atlanta, GA
March 17, 2015, The Cable Center, Denver, CO
April 14, 2015, The Westin Times Square, New York City, NY
May 6, 2015, McCormick Convention Center, Chicago, IL
May 13-14, 2015, The Westin Peachtree, Atlanta, GA
June 9-10, 2015, Chicago, IL
Hot Topics
T-Mobile, BlackBerry Flirt With Reuniting
Sarah Reedy, Senior Editor, 12/17/2014
1-Gig: Coming to a Small Town Near You
Jason Meyers, Senior Editor, Gigabit Cities/IoT, 12/17/2014
Comcast Launches 4K Streaming Service
Alan Breznick, Cable/Video Practice Leader, 12/18/2014
US Carriers, You're Going to Cuba!
Mitch Wagner, West Coast Bureau Chief, Light Reading, 12/18/2014
T-Mobile Lights Up 27 Wideband LTE Cities
Sarah Reedy, Senior Editor, 12/15/2014
Like Us on Facebook
Twitter Feed
Webinar Archive