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Web Protocols (UDP (Used in cases where packet loss is fine but speed is…
Web Protocols
UDP
Connection-less transmission
No inbuilt error-checking
Much faster than TCP
Used in cases where packet loss is fine but speed is important.
Video
Online Games
Email Protocols
IMAP
Stores emails on the server but allows users to view and manipulate them
Used to download emails from the server to the client
Emails can be synced across devices
SMTP
Sends emails between servers - [X]
POP
Receive emails from a remote server
You can download emails and read them offline
HTTP
The protocol used to send HTML pages over the internet
Defines how messages are formatted and transmitted
Set of rules for transferring files on the World Wide Web
Network Protocols
Wifi
Uses WAPs which have a wired connection
Data is sent from connected devices using radio waves
Used for WLANs
Ethernet Protocol
Uses frames to communicate
Each device has an NIC with a 48bit hex MAC address.
Used for wired connections to LANs
TCP
Used for network communications.
Splits data into packets and provides method for putting them back together
Has inbuilt error checking, and goes both ways.
Uses a SYN - SYN-ACK - ACK handshake
IP
Identifies devices on networks using an IP address
Routes data throughout networks using routers
HTTPS
A version of the HTTP Protocol which uses SSL encryption to secure the data
Used in cases in which data must be secured e.g. online banking
FTP
Client-server model
Used for transmission of files over the network