Sunday, March 4, 2012

What is the difference between the Data Link Layer and the Network Layer in the OSI model?

Hello,

Yesterday I read a bit on the OSI model.

I didn't understand the difference between the Data Link Layer and the Network Layer.



The Network Layer is is responsible for end to end packet delivery and Packet routing through intermediate hosts.



The Data Layer is responsible for transmitting data frames (which are basically packets with a header packet and a trial packet) between network entities.



They use different protocols , but I still didn't get the difference between them.

If someone would be able to explain me , I will be grateful.What is the difference between the Data Link Layer and the Network Layer in the OSI model?
The data link layer handles communication between systems on the same local network. The network layer handles communication between systems on different local networks and allows those packets to be routed between the two.



ie



network a-----------[router]-----------network b



The data link layer would allow two machine on network a to talk to each other or two machines on network b to talk to each other. This communication takes place using the physical/MAC addresses of the machines.



The network layer is what allows a machine on network a to talk to a machine on network b using logical address like IP addresses.What is the difference between the Data Link Layer and the Network Layer in the OSI model?
Data link is normal channel which contains so many research informations, netwok layer finds those information which normally block our proggrames to help us know and solve it.
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