Another interesting aspect of how a microservice architecture might affect the organization is Conway's law, which states the following:

"Any organization that designs a system (defined broadly) will produce a design whose structure is a copy of the organization's communication structure." – Melvyn Conway, 1967

This means that the traditional approach of organizing IT teams for large applications based on their technology expertise (for example, UX, business logic, and database teams) will lead to a big three-tier application – typically, a big monolithic application with a separately deployable unit for the UI, one for processing the business logic, and one for the big database. To successfully deliver an application based on a microservice architecture, the organization needs to be changed into teams that work with one or a group of related microservices. The team must have the skills that are required for those microservices, for example, languages and frameworks for the business logic and database technologies for persisting its data.