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An Optimization Case in Support of Next Generation NFV Deployment
Zahra Abbasi, Ming Xia M, Meral Shirazipour, and Attila Takacs, Ericsson Research
Still not long ago operators were struggling with middlebox deployment and traffic management across them. The service chaining problem was a well studied subject which had to deal with the limitations of middleboxes and offer various techniques to overcome them to achieve the desired traffic steering. Only two years have passed its official launch by ETSI, but network function virtualization (NFV) has already revolutionized the telecom industry by proposing a complete design paradigm shift in the way middleboxes are built and deployed. NFV requires the virtualization of middleboxes and other networking equipment, called virtual network functions (vNFs). This requirement will allow networking infrastructure operators to benefit from the same economies of scale and flexibility than the information technology community experienced with the advent of cloud computing. Other than the capex/opex saving and faster time to market of new services, the cloudification of networking gives us the opportunity to rethink how networking equipment are designed and deployed.
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