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Virtualized cloud infra have been increasing gradually due to the cost savings and operational efficiency. Virtualization technology has spread to all areas of ICT such as application and network not limited just computer resources as cloud computing environments are common. We implemented network computing testbed system on virtualized cloud in this paper. With this system, user (DevOps) can develop...
Recently, Network Function Virtualization (NFV) has been getting the attention for reason of operational efficiency, cost savings and service scalability. The NFV can be described as integrating an independent software on the general purposed hardware such as server and switch in order to replace the legacy hardware-based network device. Therefore, NFV can help ensure that carriers can quickly respond...
Audio/video conferencing system have been increasing gradually due to enhancement of work productivity and deduction of expenditure. In this paper, we implemented a web-RTC-based audio/video conferencing system on virtualized cloud. Through this system, users can experience audio/video conference with only web browser. Also this system provides flexible capabilities through the elastic resources management...
In this paper, we discuss about how to orchestrate service function chaining (SFC) with distributed cloud VMs (virtual machines). By introducing an automated tool for graph-based SFC over cloud-based infrastructure, we attempt to satisfy service realization challenges such as large-scale support and underlay-aware improvement.
The lifecycle management of service realization is very challenging. With virtualized playgrounds over Future Internet testbeds, the lifecycle experiments could be easily exercised so that all tasks and responsibilities are well-defined for entire experiment stages among developers and operators. Also, the dynamic provisioning of hyper-convergent compute/networking/storage resources is appropriately...
Managing the lifecycle of service-realization experiments in Future Internet testbed environments is very challenging due to the unbounded scope of user-driven experiments. The lifecycle of experiments should be carefully designed and managed among users and operators so that tasks and responsibilities are well-defined for all experiment stages. The states of involved resources should also be appropriately...
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