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Research Article

JCR. 2020; 7(10): 1470-1481


Daniel Mago Vistro, Attique Ur Rehman, Adnan Abid, Muhammad Shoaib Farooq, Muhammad Idrees.

With advancement of technology, cloud computing gains vital importance in research. People and processes are moving over the cloud that cause to exponential increase in network, storage and computational resources. This exponential growth leads towards large and scalable clouds that costs high in terms of design, deployment and maintenance. The amount of data is increasing day by day due to large amount of cloud users. Resources or services are configured over cloud using virtualization technologies as per user demand. Various virtualization techniques are used for resource allocation. Network function virtualization (NFV) is function based well-known technique to virtualize the functionalities of network while the resources of cloud network will be determined using capital expenditure (CAPEX). This research paper calculates the impact of network function virtualization on CAPEX for cloud-oriented networks and performs comparative analysis between NFV and traditional technologies of virtualization. A prototype to implement NFV over cloud network is designed for experimentation and multiple test cases are executed for performance evaluation. Experimental results show that the overall cost for management and CAPEX is reduced in NFV based implementation of cloud networks. CPU also performing well in case of users or load increment.

Key words: NFV, Virtualization, Cloud, Capital expenditure, Restful services

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