Basic Network Support Applications

Applications
 


The application layer contains all protocols and methods that fall into the realm of process-to-process communications across an Internet Protocol (IP) network. Application layer methods use the underlying transport layer protocols to establish host-to-host connections.

The Internet protocol suite (TCP/IP) and the Open Systems Interconnection model (OSI model) of computer networking each specify a group of protocols and methods identified by the name application layer.

The following protocols are part of the application layer of the Internet protocol suite.

  • Remote login category - Telnet
  • File transfer category - FTP, TFTP
  • Electronic mail category - SMTP, IMAP, POP
  • Support services category - DNS, RARP, BOOTP, SNMP

 

It covers the following topics -

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