Circuit, Virtual-ckt, Connection-Oriented, Connectionless

• Circuit: Telephone system

  • Path setup and resources reserved before data is sent
  • Data need not have meta-info at all. Only timing.

• Virtual Circuit: ATM networks

  • Multiple circuits on one wire.

• Connection-Oriented: TCP

  • Have an association between end-points

• Connectionless: Also known as datagram. IP, postage service

  • Complete address on each packet
  • The address decides the next hop at each routing point

Previous slide

Next slide

Back to first slide

View graphic version