Halsall, Fred. <br/><br/>
Computer networking and the internet / 
Fred Halsall. 
 - 5th  ed. 
 - Harlow, England :  Addison-Wesley,  2005. 
 - xxv, 803  p. 
<br/><br/><label>ISBN: </label>0321263588 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Internet.