Towards the Dynamic Provision of Virtualized Security Services

摘要: Network operators face several limitations in terms of infrastructure management and costs when trying to offer security services a large number customers with current technologies. Functions Virtualization Software-Defined Networks paradigms try overcome these by allowing more flexibility, configurability agility. Unfortunately, the problem deciding which use, where place how configure them is multi-dimensional that has no easy solution. This paper provides model can be used determine best allocation for applications needed satisfy user requirements while minimizing cost network operator, subject different constraints expressed involved actors. exploited pursue an initial dimensioning set-up system or dynamically adapt it support policies. Initial validation shows allocations generated our have considerable advantages performance compared traditional approaches.