<h1 id="heading-why-we-require-layering-in-computer-networks">WHY WE REQUIRE LAYERING IN COMPUTER NETWORKS?</h1>
<ol>
<li><p>It makes discussion easy</p>
</li>
<li><p>It makes updating easy</p>
</li>
</ol>
<h1 id="heading-layers-of-computer-networks">LAYERS OF COMPUTER NETWORKS</h1>
<ol>
<li><p>Application layer -&gt; Responsible for moving of good to truck</p>
</li>
<li><p>Transport Layer  -&gt; Responsible for  moving of good  from truck to ship </p>
</li>
<li><p>Network Layer -&gt; Responsible for  moving of ship from Calicut to Lisbon</p>
</li>
<li><p>link Layer -&gt; Responsible for connecting various in networks ships</p>
</li>
<li><p>Physical Layer -&gt; Ocean </p>
</li>
<li><p>VICE VERSA</p>
</li>
</ol>
<h1 id="heading-encapuslation">Encapuslation</h1>
<p>Each layer  add some encapulated data when data is passed through it 
&amp; removes in reverse process</p>


# WHY WE REQUIRE LAYERING IN COMPUTER NETWORKS?

1. It makes discussion easy

2. It makes updating easy

# LAYERS OF COMPUTER NETWORKS

1. Application layer -> Responsible for moving of good to truck

2. Transport Layer  -> Responsible for  moving of good  from truck to ship 

3. Network Layer -> Responsible for  moving of ship from Calicut to Lisbon

4. link Layer -> Responsible for connecting various in networks ships

5. Physical Layer -> Ocean 

6. VICE VERSA

# Encapuslation 

Each layer  add some encapulated data when data is passed through it 
& removes in reverse process

Protocol Layers & Service Models

WHY WE REQUIRE LAYERING IN COMPUTER NETWORKS?

LAYERS OF COMPUTER NETWORKS

Encapuslation