Thursday, April 19, 2018

TCP/IP Model


TCP/IP:

Transmission control protocol and internet protocol is a network modle used in today's network.
It consist of Application layer, transport layer, internet layer, network access layer



Protocols used in TCP/IP:

application layer protocols used are telnet, ftp, smtp, DNS, HTTP etc…

Transport layer protocol used are TC &, UDP
TCP is a connection oriented protocol
it gives grantee of end to end delevary of packets
it is reliable protocol

UDP is a connection less protol
it dosent provide any guarantee of data delivery
this protocol used to streaming vedios audio files over network

network layer will assigne a logical address to the host network, with this the commnucaction is made.

physical layer it is an hardware unit which converts signals to packets of data. and viceversa. 
 
 
 
 

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