The CRF’s role is to provide operator
defined charging rules applicable to each service data flow. The CRF selects the relevant charging rules based on information provided by the P-CSCF, such as Application Identifier, Type of Stream, Application Data Rate, etc. These servers must have the processing power to host the Policy and Charging applications while at the same time meeting their security and signalling requirements. This requires IPsec to be integrated with SCTP functionality underpinning the required Diameter services. The Home Subscriber Server (HSS) combines the Home Location Register (HLR) and the Authentication Centre
(AuC). The HLR part of the HSS is in charge of storing and updating the database containing all the user subscription information. The AuC part of the HSS is responsible for generating security information from user identity keys. Servers must have the processing power to host the combined HLR and AuC functions within the HSS and deliver the security and signalling requirements to specific Diameter interfaces. This requires IPsec and SCTP functionality and again this must be tightly coupled with the Diameter services. IPsec is mandatory for IPv6
deployments and every node in the LTE network will eventually need it.
However, most users don’t want to know about it, they simply want to use it. While delivering security and signalling requirements, the system must have the processing power to run the applications and functions of these new network nodes and elements with no impact on the user experience.
Hire the Fluke DTX range
DTX 1200 cable certifier £175 DTX 1800 cable certifier £195
DTX MFM-2 fibre heads £165 DTX SFM-2 fibre heads £195
DTX 1200 cable certifi er £175 DTX 1800 cable certifi er £195
DTX OTDR Quad module £245
DTX MFM-2 fi bre heads £165 DTX SFM-2 fi bre heads £195
T&C apply | Per 7 day hire | Month hire discount | Ex VAT
A Division of Datalink Cabling
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www.netcommseurope.com
15/12/11 11:43:09 NETCOMMS europe Volume II Issue 4 2012 37
WE
WE BUY & SELL TESTERS
DELIVER & COLLECT
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