In addition to VNFs being offered as discrete software functions that can be deployed on an NFV platform, VNFs can also be offered in the cloud in an “as-a-service” format, thus begetting NFVaaS (fun with acronyms!)
Although most VNFs being marketed today are sold as software VNFs, we expect that areas such as security, voice, and WAN will offer many opportunities for an NFVaaS cloud services model. There are already some interesting new business models evolving for players that want to offer NFVaaS.
It’s early days, but expect this category to grow over time. Below are the key players with VNF Service Offerings