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Charging communication networks : from theory to practice by D. J. Songhurst

By D. J. Songhurst

This ebook proposes that usage-based charging schemes are necessary to generate the incentives useful for effective operation of multiservice networks. The swift improvement of community know-how is permitting subtle new providers and functions which call for new charging types. an identical expertise presents the capability to function the appropriate charging schemes. many of the paintings performed within the ecu collaborative venture CAhMAN (Charging and Accounting Schemes in Multiservice ATM Networks). This undertaking mixed functionality and monetary versions of community source utilization and cutomer software to build easy yet potent charging schemes which have been carried out and trialled in a complicated administration platform.

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Example text

This may include some statistical treatment of the measurement data, followed by combination of this data with tariff information to produce charges. It is necessary to consider at what level in the network such processing is carried out, and how the data is stored and transmitted to appropriate points in the network. It is conceivable that some charging schemes might be based on complex statistical functions of connection cell rates, for example to reflect burstiness over short timescales. For such schemes it might be necessary to carry out a significant amount of processing on a real-time basis.

The Tariffing Agent passes traffic contract and tariff options to the user domain, and receives back the user's choice of tariff and traffic contract. The Purchasing Agent mediates between the human user, the user's application, and the network. In the simplest case the Purchasing Agent might be just a Java applet that is downloaded from the Tariffing Agent and displays to the user the available choices of traffic contract parameters and tariff parameters. More sophisticated Purchasing Agents might provide a higher-level display to the user (for example, showing estimated costs of connections for different tariff choices), and might be linked to the user's ATM application in order to provide intelligent assistance with choice of contract.

The usage metering process is responsible for the creation and logging of usage metering records upon the occurrence of accountable events. This process includes the sub-process called usage data collection process, which is in charge of the reliable and timely collection of usage data from the physical network equipment. 3. ACCOUNTING MANAGEMENT 43 SERVICE discounting process, also called charging process, is responsible for the charge calculation according to a specific pricing policy and using the collected usage data.

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