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 />
• Services:<br />
<strong>Indian</strong> <strong>Institute</strong> of Technology Madras<br />
Services and Pro<strong>to</strong>cols<br />
– set of primitives or operations that a layer<br />
provides <strong>to</strong> the layer above it.<br />
• Pro<strong>to</strong>cols:<br />
– set of rules governing the format and meaning<br />
of frames, packets, messages exchanged<br />
between peers.
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