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Computing is being transformed to a model consisting of services that are commoditised and delivered in a manner similar to utilities such as water, electricity, gas, and telephony. In such a model, users access services based on their requirements without regard to where the services are hosted. Several computing paradigms have promised to deliver this utility computing vision and they include Grid...
Pricing content-providers for connectivity to end- users and setting connection parameters based on the price is an evolving model on the Internet. The implications are heavily debated in telecom policy circles, and some advocates of "Network Neutrality" have opposed price based differentiation in connectivity. However, pricing content providers can possibly subsidize the end-user's cost...
With advances in communication technologies, network services provided via the Internet have been widely diversified, and people can use these services not only via wired networks but also via wireless networks. There are several wireless systems in practical use such as cellular, WiMAX and WiFi. Although these wireless network systems have developed independently of each other, they should be integrated...
In the Internet literature, the concept of efficiency is mainly associated with the bandwidth allocation policy under which the network operates. Consequently, efficiency is measured as the ratio of the aggregate out flow to in flow traffic in a network. In situation of a constant charge per unit bandwidth to the users, a high efficiency fulfills the network provider's objectives of profit/revenue...
As grid technologies evolve quickly on Internet, research related to resource scheduling faces new opportunities and challenges. These new technologies, ideas and approaches provide a new environment for researching and developing the economy-based resource scheduling system. Aiming at the hierarchical grid model, following load balancing thinking and cost-time optimization strategies, this paper...
Efficiency and fairness are main objectives in any system design and many choices in life are made based on their tradeoffs. This paper investigates the current trends in understanding and applying the fairness concept on the Internet. Then it studies and examines the extension of the fairness concept in the context of development and developing regions, where both the traditional lack of infrastructure...
It is necessary to analyze the anti-terrorism performance of Taiwanpsilas security system after September 11, 2001 attacks. We use three stage data envelopment analysis model that Fried et al. (2002) developed, getting intelligence performance of the Investigation Bureau of the Ministry of Justice, to discuss the ability of anti-terrorism in Taiwanpsilas national security system. Putting 10 outputs,...
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