Computer Networking:  A Top-Down Approach/  English. 
James F. Kurose...[et al] 
 - 5th Ed. 
 - India:  Person India Education Service Pvt.Ltd,  2010. 
 - 888p.:  ill;  23cm. 
<br/><br/><label>ISBN: </label>9788131790540 
<br/><br/><label>Dewey Class. No.: </label>681.4  / KUR