A Layered Approach to Computer Networks - nptel - Indian Institute ...
A Layered Approach to Computer Networks - nptel - Indian Institute ...
A Layered Approach to Computer Networks - nptel - Indian Institute ...
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<strong>Computer</strong> <strong>Networks</strong> Prof. Hema A Murthy<br />
Layer <strong>to</strong> Layer Communication<br />
• Layer n on ‘A’ talks <strong>to</strong> Layer n on ‘B’.<br />
–No datatransferred directly between layers at<br />
the same level.<br />
–Dataand control flow from one layer <strong>to</strong> the<br />
layer below it until it reaches Physical Layer.<br />
– All transmission only at the Physical Layer.<br />
<strong>Indian</strong> <strong>Institute</strong> of Technology Madras
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