Theme: Data transmission based on channel and packet switching

Methods of transfer packages

A switch can operate on the basis of one of three methods promote packages:

• 
  datagram transmission;
  
• 
  Transfer to the establishment of a logical connection;
  
• 
  Transfer to the establishment of a virtual channel.
  

Datagram transmission

Datagram transfer method based on the promotion of packet independent from each other. packet processing procedure is only determined by the values of parameters that it carries, and the current state of the network. And every single packet network is considered as a completely independent unit transfer - datagram.



4-picture. Illustration datagram packet principle