Protocol

Protocol

1. Agreed-upon format which allows two devices the communicate

2. Rules

   • Handshaking, where two devices establish their readiness to communicate
   • A notification will indicate that it is finish sending a message and receiving a message
   • Error checking being used
   • Agreement on the data compression method being used

3. Types

   • TCP/IP (Transmission Control Protocol/Internet protocol)
     • Two protocol combine and allow communications between computer systems on a network
     • IP: is a protocol that sets out the format of packets and an addressing systems
     • TCP: is a protocol that allows packets to be sent and recieved between computer systems
   • Http (Hyper Transfer Protocol)
     • Http: is a protocol that can be used to transfer multimedia web pages over the internet
   • FTP (file Transfer Protocol)
     • Used when copying a file from one locatino to another via a network or the internet.
     • Typically used to transfer large files, as it allows broken communications to resume transfering a file rather than having to restart

4. Protocol stack

   • Takes rules of protocol and implements them when creating code
     • E.G.: computer a and b can both communicate using HTTP