3. Introduction
Client requests to the server for data or information
Server serves the data or information
Fulfills the requirements of the client & sends the
results back to the client
Client performs some logical operations
3
5. The Client
Client is the desktop machine
Micro or Workstation computer
Network s/w sends the request to the server
Accepts result form Server and passes result back to
Client
Client may perform some application logics
5
6. The Server
Server accepts the request and responds.
Servers are classified as Web Servers, File Servers,
Terminal Servers, Mail Servers etc.
Servers may have different size, OS or different
purpose
Basic architecture remain same
6
10. Flexibility and Scalability
• Add a new computer or
node on a network also
removed.
• Enhance existing
technologies without
interruption
10
11. Centralization and Decentralization
Server maintains an
Intelligent Database
with security and rules
E.g.: Backup and
Recovery procedures are
centralized
11