Serverless applications are the source of much confusion of late. For one thing, they’re not “serverless” at all. In fact, it’s more accurate to refer to them as “multiserver apps” — their components are distributed among cloud servers far and wide and assembled on demand.
This begs the question, “Do you know where your app is?” In today’s microservices-based computing environments, the question becomes meaningless. Exactly where particular pieces of a full-blown application live matters much less than the network’s ability to retrieve and assemble the required components accurately, and in a timely manner, when and where they’re needed.
Such widely distributed applications demand a new approach to development, deployment, maintenance, and updates. Forbes’ Janakiram wrote in a March 22, 2016, article that the growing interest in serverless apps is driven by two trends: mobility and the Internet of Things. In both cases, applications need to follow the IFTTT model: respond in an instant as current circumstances dictate in terms of location, time, input, and context. Read more..