Client-server
Appearance
- Always wait for a request from one of the clients.
- Serves clients' requests then replies to the clients with the requested data.
Examples
- Specific types of clients include: web browsers, E-mail clients, and online chat clients.
- Specific types of servers include: web servers, FTP servers, database servers, E-mail servers, file servers, print servers. Most web services are also types of servers.