What is the Network Layer, level 4 of OSI (Open Systems Interconnection)?

About

This page is about the protocols that implements Network:

• Addressing,
• routing,
• and traffic control

They are all in the layer 4 of the OSI model.

These protocols are implemented by the OS but maybe implemented by an OS Application - See Network - transport layer

List

• Internet Protocol Suite (TCP/IP)
  • Transmission Control Protocol (TCP)
  • User Datagram Protocol (UDP),
• ICMP,
• IPsec,
• IGMP,
• IPX,
• IS-IS,
• Apple Talk,
• X.25,
• PLP
• bluetooth

Windows Sys info

Example on windows sysinfo will list low network protocol (OSI Layer 4)