Communication
Sending information from one place to another. Can be done through many mediums. Transmission of signals that will be interpreted as data. An information could be transmitted electronically between two points over a physical connection medium.
Types
- Type of information
- Text, image, audio, video, multimedia
- Direction of information flow
- Unidirectional
- Bidirectional non-real time
- Bidirectional real time
- Based on number of parties
- 2 party
- Multi-party
Network
A system that connects devices for communication.
Examples:
- The Public Switched Telephone Network (PSTN), a traditional circuit switched telephone network used for voice communication
- Local Area Network (LAN)
- Television network
- Vehicular network, useful for better autonomous driving
- Internet
Terminal
Used for accessing a network.
Switching Equipment
Used for routing data between different points.
Media
Used for transmitting data between two points. Can be wires or wireless technologies.
Challenges in Network Communication
Different architectures, languages, data formats, communication speeds on the sending and receiving ends.
The challenges are solved by standardized protocols, modularization and layering.