3o Communication Protocols

3o Communication Protocols

1. Importance of standards

   • Rather than devices trying to use their own langues to communicate with other devices that may not understand it, they used a common language called a protocol
     • E.g. a wireless access point from one manufacturer willl work with the wireless network interface card from another

2. Protocol: A standard method. E.g. communication protocols are standard methods for communicating electronically.

3. Transmission control Protocol/ Internet Protocol (TCP/IP)

   • Defines how signals are sent across the internet so internet users can communicate with each other.

4. Simple Mail Transfer Protocol (SMTP)

   • Governs sending of emails so it can be successfully sent to and from different devices

5. Point to Point Protocol (PPP)

   • Sets standards of communication for computers directly connected to each other. Mostly used in ASDL connections where the computer needs to connect to an ISP .