Network Protocols

Network Protocols

1. FTP(s)

   • File Transfer Protocol ( Secure )
   • Uses client-server model of communication.
   • Standard network protocol used for the transfer of files between a client and a server across a network.
   • May require a username and password to request files
   • Can be encrypted to send files securely along with allowing usernames and passwords.

2. HTTP(s)

   • Hyper Text Transfer Protocol ( Secure )
   • HTTP provides the foundation of data communication across a network
   • Uses client-server model of communication.
   • Sends requests from the client to the server.
   • A response will be sent from the server back to the client.

3. IP

   • Internet Protocol
   • Responsible for delivering Packets from the source host to the destination host based on the IP addresses provided in the Pakcets.
   • Defines the instructions on how a Packet is created and how they are labelled with the Source and Destination information.
   • Also responsible for routing the Packets as it travels across a network.

4. TCP

   • Transmission Control Protocol
   • Responsible for communication between Applications and the Internet Protocol
   • Detects if any Packets have been lost, duplicated or delivered in the wrong order when they arrive at the destination IP address.
   • Requests for Packets to be re-transmitted if any are missing.
   • Optimised for accurate delivery of Packets rather than the speed of delivery.