Internet protocol suite

The internet protocol suite is a set of protocols that the internet uses to communicate between other computers and networks.

Types of internet protocols §

The internet protocol suite provides lots of protocols including:

• Internet protocol
• Transmission Control Protocol
• User Datagram Protocol

Internet protocol suite layers §

The internet protocol suite is split into 4 layers:

• Application layer
• Transport layer
• Internet layer
• Link layer

Application layer §

The application layer is a layer that provides services to the user. It is the layer that the user interacts with.

Protocols in the application layer include:

• Domains and naming
  • DNS - Domain name system
• Text
  • HTTP - Hypertext transfer protocol
  • HTTPS - Secure hypertext transfer protocol
• Mail
  • SMTP - Simple mail transfer protocol
  • POP3 - Post office protocol
  • IMAP - Internet message access protocol
• File transfer
  • FTP - File transfer protocol
  • SFTP - Secure file transfer protocol
  • TFTP - Trivial file transfer protocol
  • NFS - Network file system
• Remote access
  • Telnet - Telnet
  • SSH - Secure shell
  • RDP - Remote desktop protocol
  • VNC - Virtual network computing
  • RFB - Remote frame buffer
• Network management
  • SNMP - Simple network management protocol
  • ICMP - Internet control message protocol
  • IGMP - Internet group management protocol
• Other
  • DHCP - Dynamic host configuration protocol
  • LDAP - Lightweight directory access protocol
  • NTP - Network time protocol
  • SNTP - Simple network time protocol
  • SIP - Session initiation protocol
  • RTSP - Real time streaming protocol
  • XMPP - Extensible messaging and presence protocol
  • IRC - Internet relay chat

Transport layer §

The transport layer is a layer that provides services to the application layer. It is the layer that the application layer interacts with.

Protocols in the transport layer include:

• TCP - Transmission control protocol
• UDP - User datagram protocol
• DCCP - Datagram congestion control protocol
• SCTP - Stream control transmission protocol
• RSVP - Resource reservation protocol

Internet layer §

The internet layer is a layer that provides services to the transport layer. It interacts with the transport layer and the link layer.

Protocols in the internet layer include:

• IP - Internet protocol
• ICMP - Internet control message protocol
• IGMP - Internet group management protocol
• IPv6 - Internet protocol version 6
• IPv4 - Internet protocol version 4
• IPsec - Internet protocol security

Link layer §

The link layer is a layer that provides services to the internet layer. It interacts with the internet layer and the physical layer.