Whalebone leverages a combination of local deployment and cloud management to achieve the best possible results. All of this was designed with telco environments in mind as it is optimized for their networks. When the DNS resolver is hosted locally, they get more robust architecture and way lower latency than they do when using a DNS resolver hosted in a cloud or with a SECaaS solution.
On the other hand, the management hosted in the cloud enables the administrators to leverage a centralized user interface through which they can control any number of resolvers in their infrastructure and true real-time threat intelligence updates, which would be very hard to achieve with pure local deployments. With this kind of approach, the customers get the best out of both worlds.