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With the recent introduction of Spot Instances in the Amazon Elastic Compute Cloud (EC2), users can bid for resources and thus control the balance of reliability versus monetary costs. A critical challenge is to determine bid prices that minimize monetary costs for a user while meeting Service Level Agreement (SLA) constraints (for example, sufficient resource availability to complete a computation...
Because of anonymity and flexibility of C2C online transaction, trust plays a critical role. On successful E-business, so it is very important to evaluate this trust degree. However there are much fuzzy and uncertainty in this evaluation process, so an evaluation approach based on Fuzzy Neural Network (FNN) is pointed out and applied to solve this problem. FNN has such advantages as multiple rule...
Technological improvements, such as erbium-doped fiber amplifiers (EDFAs) and wavelength division multiplexing (WDM), have revolutionized optical transmission, boosting the development and worldwide deployment of the Internet. Similar progress has not yet impacted the routing layer, as current IP routing technology struggles to deliver the necessary bandwidth at competitive costs. Hybrid electro-optical...
Competition for users on a global market is fierce, forcing enterprises to provide for better, faster services while offering the same more cheaply. At the same time, users choose to remain oblivious of the infrastructure behind the service - only demanding that it works. This work presents a policy-based revenue management system for computing clouds. Due to the novelty of the market Cloud providers...
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