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With the evolution towards the Fifth Generation of Mobile Communications (5G), Software-based Networks are paving the way to a radical transformation of Network Operators infrastructures. Novel technologies like Network Function Virtualisation (NFV) and Software Defined Network (SDN) are enabling new way of managing on-demand network resources. Focusing on the Mobile Core Network architecture, Service...
Service Function Chaining (SFC) serves the traffic of a specific service along an ordered set of Service Functions (SFs). SFC uses Software Defined Networking (SDN) and Network Function Virtualization (NFV) technologies to reach the deployment and removal of SFC in an appropriate time with minimal costs. However, during the life time of deployed SFCs, the SFs are exposed to the risk of overloading,...
Service function chaining is a network capability that provides support for application-driven-networking through the ordered interconnection of service functions. The lifecycle management of service function chains is enabled by two recently emerged technologies, software defined networking and network function virtualization, that promise a number of efficiency, effectiveness, and flexibility gains...
Service Function Chaining (SFC) defines the concept of linking ordered Service Functions (SFs) through network technologies to support specific application requirements. SFC exploits Software Defined Networking (SDN) and Network Function Virtualization (NFV) technologies to achieve the creation, modification and deletion of SFC in a cost efficient and rapid way. However, during the runtime phase,...
Service Function Chaining (SFC) supports services/applications through linking an ordered list of service functions (such as firewalls, deep packet inspections and load balancers) in the network. Using Software Defined Networking (SDN) and Network Function Virtualization (NFV) provides a simpler and shorter SFC process. In order to provide high-availability on a multi-site SFC, it is required a flexible...
The proliferation of cloud computing techniques has created a multitude of applications for network services deployments, enabled by the adoption of Software Defined Networks (SDN) and Network Functions Virtualization (NFV) paradigms. Mobile Network Operators (MNOs) also have the opportunity to leverage these technologies to enable the delivery of traditional networking functionality making use of...
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