It depends ... !

Basics

Code Build Run

Client Server

The internet connects computers. Each computer can a client. As a client this computer is requesting some resource through the internet from another computer. The latter is set up as the server. A server is just a piece of software that listens to a certain port of the computer the software is running on and that will respond to requests on that port. So my local laptop or desktop computer can be turned into a server by starting a piece of software that listens to port 1000 for example. You can use a browser as a client by navigating to http://127.0.01:1000. The first part is the IP address (internet address) of my local computer (also called machine) and after the colon is the port you specify the request to, in this case port 1000. DNS is the solution to hide the IP address numbers and use proper and names easy to remember. Your local machine acts as a local host so this request can be written as http://localhost:1000.

Browser Server

Code Editor

Code Service Data Algorithm

Source code is always the base for a product, a service. The service is used by clients and users and uses and produces data. So the service has a connection to the database. The data is than being used to train an algorithm. Which in turn is used inside or by the running service. For example security is mainly focused around the service and runtime environment of the service. The code is NOT the valid focus for securing this environment. Of course code can open up for vulnerabilities ... but it is not the main solution for security! All parts can be open ... although the runtime will probably the least open. When all (other) parts are open, they complement eachother in being open and transparant. It is also possible to open up select parts. **Open Data** is common for governments. By applying **Open Source** as well the Open Data is even more trustworthy. Opening up the algorithms is increasing trust in the system as a whole as well. It is also possible to open up the algorithms on closed data. Open Source with closed data is possible as well. But again, opening up all parts will bring the highest level of trust of the system.

Junior Senior

Git