Building Microservices with .NET Core

Horizontal scaling (scaling out)

If you do not want to scale vertically, you can always scale your system horizontally. Often, it is also referred to as scaling out. Google has really made this approach quite popular. The Google search engine is running out of inexpensive hardware boxes. So, despite being a distributed system, scaling out helped Google in its early days expand its search in a short amount of time while being inexpensive. Most of the time, common tasks are assigned to worker machines and their output is collected by several machines doing the same task. This kind of arrangement also survives through failures. To scale out, load balancing techniques are useful. In this arrangement, a load balancer is usually added in front ...