Held, Gilbert,  1943- <br/><br/>
A practical guide to content delivery networks / 
Gilbert Held. 
 - 2nd ed. 
 - Boca Raton :  CRC Press,  2011. 
 - xviii, 286 p. :  ill. ;  24 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781439835883 (hbk.)  RM224.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Internetworking (Telecommunication)<br/>Internet.