Ammar Kamel

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Recently, cloud computing and cloud-based services have been gaining a lot of momentum due to their cost effectiveness. Assuring Quality-of-Service (QoS) guarantees to the cloud's mobile clients is an important and unavoidable problem especially for delay sensitive application like VoIP. In this paper, we propose a novel approach for the early detection of(More)
Delivering reliable service offerings to clients remain a challenging aspect in today's cloud infrastructure. A broad number of research studies have undertaken the service evaluation process from one side; that is, the infrastructure's perspective. Conversely, clients' assessment to the service has been mostly neglected. In this paper, we propose a(More)
Client-side QoS monitoring allows mobile clients to participate in the service evaluation process. Through this approach, mobile clients play proactive role to collect and measure network parameters (e.g., delay, bandwidth) and report any potential service degradation back to the service providers. Adopting this model provides a major enhancement to the(More)
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