Forouzan, Behrouz A. <br/><br/>
Data communications and networking / 

 - 4th ed. 
 - New Delhi :  Tata McGraw Hill ,  2006. 
 - Ppxxxii+908 
<br/><br/><label>ISBN: </label>0070634149 
<br/><br/><label>Subjects--Index Terms: </label>Data Communication Networking