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What is the role of PCRF in LTE/UMTS.

+3 votes
405 views

Getting confused about PCRF why it is required as it looks that all functionality can be done at PGW, can someone provide more details why PCRF.

posted Dec 9, 2013 by anonymous

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2 Answers

+2 votes

PCRF is like a server [not exactly] and it get info from SPR [service profile registry] and share it to PGW. So it just control PCC via PGW. Depend on the message that received from PCRF the PGW will apply those QOS/PCC on particular user.

answer Dec 9, 2013 by sivanraj
0 votes

Doubt is valid, but having the functionality of policies in PGW/GGSN will create a managing mess as we need to have the same in all PGW/GGSN so we move the policy function to some external node...

answer Dec 9, 2013 by Salil Agrawal
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+2 votes

PGW sending a USU of 0 in CCR Updates after the first USU in first CCA Update was sent correctly. GSU from PCRF is 10Mb.

+2 votes

Why PCRF is separately in LTE Core network, can’t we provision the whole function and features in P-GW itself, what is the exact need of PCRF rather than PCC?

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