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The Cloud computing paradigm enables innovative and disruptive services by allowing enterprises to lease computing, storage and network resources from physical infrastructure owners, to offer a persistently available service. This shift in infrastructure management responsibility has brought new revenue models and new challenges to Cloud providers. One of those challenges is to efficiently migrate...
High availability is a critical requirement for cloud deployed services. Cloud providers offer different availability zones with geo-redundancy to protect their infrastructure and consequently their tenants against failures and natural disasters. Nevertheless, different zones may have different reliability levels depending on the hardware equipment, the geo-location, the energy source powering the...
Mobile Edge Computing (MEC) promises a paradigm shift in enabling efficient Mobile Cloud Computing (MCC) services by providing storage and processing capacity within the access range of the mobile devices. In MEC, Mobile Edge (ME) servers are placed at the edge of the mobile networks eliminating the need to offload compute-/storage-intensive tasks of the mobile devices to the core of the network (the...
The cloud service model is spreading into the telecommunications industry, forcing the telecommunications providers to adjust their production models. The network service provider cloud platform, also called as Telco Cloud, utilizing a cloud based production model, is a solution to respond to the changing market forces. The cloud based production model is a new concept in the context of telecommunication...
Academics and industry experts are now advocating for going from large-centralized Cloud Computing (CC) infrastructures to smaller ones massively distributed at the edge of the network. Referred to as "fog/edge/local computing", such a dawning paradigm is attracting growing interest as it improves the whole services agility in addition to bringing computing resources closer to end-users...
In recent years, there has been a rapid growth of interest in dynamic management of resources in virtualized systems. Virtualization provides great flexibility in terms of resource sharing but at the same time it also brings new challenges for load balancing using automatic migrations of virtual machines. In this paper, we have evaluated VMware's Distributed Resource Scheduler (DRS) in a number of...
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