VNF Software Cost Modeling Based on Telecom Network.

NFV integrates cloud and virtualization technologies to rapidly develop new network services while enhancing flexibility, scalability, and automation. The adoption and success of NFV are contingent on managing software costs and resources. It involves multiple conflicting objectives, such as energy, licenses, resource migration, and cost. That makes it harder to implement resources and cost management. Thus, to address this problem to some extent, this article first module the Total Cost of Ownership (TCO) of software cost of VNF based on three crucial costs License Cost (LC), Resources Cost (RC), and Energy Cost (EC). LC is associated with software rights granted (and consumed) to the user. RC depends on the use of resources. The usage of resources determines the energy consumption by the VNF, which helps to estimate the Energy Cost (EC). After modeling TCO, we minimize the TCO by using the VNF resources sharing and consolidation technique. Our evaluation results verify that considering RC, LC, and EC for VNF sharing minimizes the TCO with optimum resource utilization.