Tcp and udp, Computer Network Security

TCP and UDP

End-to-end delivery application is connection less. The basic function of connectionless service are as given:

It adds extension of LAN abstraction. It has simple addressing and the data is transmitted in packets, each packet with a header. It adds collection of physical networks into a single virtual network.

 

 Transport function use this connectionless service to give:

  • Connectionless data delivery (UDP)
  • Connection-oriented data delivery (TCP)

 

Posted Date: 8/1/2012 7:51:53 AM | Location : United States







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COLLISION: The receiver can get simultaneous requests, which gives in collision at receivers and both service lost and in this way no transmitter accepts reservations and both use