Optimal resource utilization for executing tasks within the cloud is one of the biggest challenges. In executing the task over a cloud, the resource provisioner is responsible for providing the resources to create virtual machines. To utilize the resources optimally, the resource provisioner has to take care of the process of allocating resources to Virtual Machine Manager (VMM). In this paper,...

In distributed systems shared by multiple tenants, effective resource management is an important pre-requisite to providing quality of service guarantees. Many systems deployed today lack performance isolation and experience contention, slowdown, and even outages caused by aggressive workloads or by improperly throttled maintenance tasks such as data replication. In this work we present Retro, ...

---Nowadays Cloud Computing is considered as one of the emerging areas in the various fields related to computer science in one way or another. Itdeals with on demand dynamic resource allocation for providing reliable and guaranteed services to the consumer.It is based on pay-as-you-use model to public. Resource allocation is performed with the objective of minimizing the costs related with it....

Current approaches to supporting real-time communication allocate network resources either to individual connections, or to aggregates of connections. Resource sharing is a new approach that exploits known relationships between related connections to allow network resources to be shared between them without sacriic-ing well-deened guarantees. We present a fully distributed technique for using r...

The provision of acceptable Quality-of-Service (QoS) for integrated multimedia traffic over a geosynchronous earth orbit (GEO) satellite network demands the existence of a well-designed Medium Access Control (MAC) protocol. This paper proposes a new dynamic satellite bandwidth allocation technique (Predictive Resource Reservation Access, PRRA) which is based on accurate videoconference traffic ...

In today’s information environments, tagging is widely used to provide information about arbitrary types of digital resources. This information is created by end users with different motivations and for different kinds of purposes. When aiming to support users in the tagging process, these differences play an important role. This paper discusses several approaches to generate tag recommendation...

This paper presents a framework for mobile transparent computing. It extends the PC transparent computing to mobile terminals. Since resources contain different kinds of operating systems and user data that are stored in a remote server, how to manage the network resources is essential. In this paper, we apply the technologies of quick emulator (QEMU) virtualization and mobile agent for mobile ...

• The average age of schizophrenia caregivers was 45.3 years (SD=15.8 years), 59.6% were female, and 52.5% were currently employed. • Before matching, caregivers of adults with schizophrenia compared with non-caregivers, were more likely to be female, less likely to be married, less college/university degree, less likely to be employed, more likely to currently smoke and had an increased co-mor...

Mobile wireless networks aim to support different applications, especially those based on voice, video, and data. However, these applications differ a lot in terms of Quality of Service (QoS) requirements. We propose a combination of three different QoS mechanisms over General Packet Radio Service (GPRS) network elements, in order to manage efficiently the scarce frequency spectrum. The first m...