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Q.

What do you mean by OSI layer

Tags: health, education, science
Asked by suresh jadhav, 15 Jan '10 05:57 pm
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Answers (2)

1.

Different communication requirements necessitate different network solutions, and these different network protocols can create significant problems of compatibility when networks are interconnected with one another. In 1983 in order to aid in network interconnection without necessarily requiring complete redesigning, the reference model of open systems interconnection (OSI) was approved as an international standard for communications architecture by the International Organization for Standardization (ISO) and the International Telegraph and Telephone Consultative Committee (CCITT). OSI architecture recognizes that, in practical communication, data sent over a network must arrive at the destination in a timely, correct, and recognizable format. The OSI model consists of seven layers, each of which is selected to perform a well-defined function at a different level of abstraction. The bottom three layers provide for the timely and correct transfer of data, and the top four ensure that ar ...more
Answered by KARTIKAY SHARMA, 15 Jan '10 06:13 pm

 
  
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The Open System Interconnection Reference Model (OSI Reference Model or OSI Model) is an abstract description for layered communications and computer network protocol design. It was developed as part of the Open Systems Interconnection (OSI) initiative.
Answered by Arshad Khan, 15 Jan '10 05:58 pm

 
  
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