August 2017
Intermediate to advanced
330 pages
7h 26m
English
A service is a piece of software which provides a functionality to other pieces of software within your system or outside the system.
The other pieces of software (clients) could be anything from a web application (website) to a mobile app (native or hybrid), or a desktop app, or even another service which uses another service in order to carry out a particular type of functionality.
In an e-commerce website context, when a user places an order, the web application communicates with the service to carry out the create, read, update, and delete (CRUD) operations on the database.
The communication between the software components (clients) and the service normally happens over a network with some kind of a communication protocol, ...