The early high hopes for SDN and NFV have given way to the realization that the road to cloud-telco ‘heaven’ is strewn with ‘infernal’ rocks and pitfalls. We present the “devil’s advocate’s” (i.e. an extremely sceptical) view of NFV set out in eight indictments. We then examine the argument for the defence.
NFV (Network Functions Virtualisation) potentially offers operators benefits of up to 80% network opex reduction and significant improvements in agility, and threatens a shake-up of the vendor landscape. What are the challenges to making it happen, and what do telcos and vendors need to do to succeed?