Network Control and Engineering for QOS, Security and by Gaiti D., Galmes S., Puigjaner R. (eds.)

By Gaiti D., Galmes S., Puigjaner R. (eds.)

The fast evolution of the networking introduces new interesting demanding situations that have to be explored via the learn neighborhood. The adoption of web because the international community infrastructure areas the problem of caliber of carrier between one of many sizzling themes these days: a big range of purposes with relatively varied carrier specifications has to be supported over a easy middle of protocols. additionally, the open and out of control nature of net enforces the necessity to warrantly safe transactions between clients, therefore putting protection as one other sizzling subject. ultimately, the explosion of mobility and its integration as a part of the worldwide infrastructure are most likely now the main tough concerns within the networking field.Key components lined include:Network PolicyNetwork SecurityQuality of ServiceWireless NetworksIntelligent NetworksPerformance EvaluationIt includes the complaints of the 3rd overseas convention on community regulate and Engineering for QoS, safety and Mobility, Net-Con'2004, organised through the foreign Federation of data processing and held on the Universitat de les Illes Balears, Spain in November 2004.This important new ebook can be crucial analyzing for all these operating in computing device technology and engineering departments, in particular researchers, engineers and scholars in college and learn laboratories.Dominique Gaïti is predicated on the Université method de Troyes, France and, Sebastià Galmés and Ramon Puigjaner on the Universitat de les Illes Balears, Spain.

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Figure 4. Service fault event SQ events are sent when service quality condition is changed (see figure 5). Event identifier is a grown number that uniquely identifies the event for a customer-service pair. The same identifier is used for all SQ events generated when handling SF events related to a DOWN-UP pair, that is, having the same identifier. The SQ event also carries service and customer identifiers, informs what indicator is being reported, the indicator value and state, the next threshold to be reached (Q1 or Q2), and the deadline to reach it.

Revenue-aware resource allocation is investigated in Section 3, where optimal/suboptimal al- Revenue-aware Resource Allocation in the Future Multi-service IP Networks 29 location schemes are derived. Section 4 contains the simulation part evaluating the performances of our proposed resource allocation schemes. Finally, in Section 5, we present our concluding remarks. 2. PRICING STRATEGY As we know, linear, flat and piecewise linear strategies are believed to the most used one in practice. In this paper, our study concentrates on the revenuemaximizing issue under the linear pricing strategy and the analysis under the flat pricing strategy is postponed to its sequel.

Figure 6. 3 Indicators and formulas To demonstrate the method we will consider mean time to restore service (MTRS) indicator, which is one of the most important and used service level indicators. Initially we present its definition (equations 1) and graphic (figures 7); then we deduce the formula that calculate its current value (equations 2) and the formula that calculate the deadline to reach the corresponding threshold (equations 3). Mean time to restore service (MTRS) is the mean of all unavailability intervals (TRS) observed during the evaluation period.

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