Abstract:The network function virtualization (NFV) paradigm replaces hardware-dependent network functions by virtual network functions (VNFs) that can be deployed in commodity hardware, including legacy servers. Consequently, the use of NFV is expected to reduce operating and capital expenses, as well as improve service deployment operation and management flexibility.For many use cases, the VNFs must be visited and invoked following a specific order of execution in order to compose a complete network service, named ser… Show more
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