Option 2 could also be an attractive approach, although it still presents the same
problem as option 1. With the creation of CDRs integrated within the network element,
congestion remains a concern. However, the CGF could provide an interface to the OSS/
BSS, eliminating the need for probes in the network.
Option 3 would also allow operators to feed CDRs generated at the CDF through the
CGF to other applications in addition to their billing platforms. For example, performance
and revenue management solutions, fraud systems, and other OSS/BSS could
interface at this point, eliminating the need to place probes all over the network.
Option 4 is much like option 3 in that it provides an attractive option for operators
wanting to interface multiple applications to the CGF. One other distinct advantage
that both options 3 and 4 present is the ability to store CDRs in a data warehouse. A
data warehouse could then be used by various applications to process those CDRs for
revenue assurance, fraud management, even security.
There are pros and cons for each of the preceding implementation models. The biggest
advantage that centrally located functions provide is the ability to backhaul simple
data rather than ???formatted??? billing records. The data can then be used in a number of
different ways, including audits and support of business intelligence systems.
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