Comer, Douglas. Computer networks and internets / Douglas E. Comer. - 5th ed. - Upper Saddle River, N.J. : Pearson/Prentice Hall, c2009. - xxvii, 600 p. : ill. ; 25 cm. + 1 CD-ROM (4 3/4 in.) Includes bibliographical references and index. ISBN: 9780135045831 0135045835 LCCN: 2009-285038 Subjects--Topical Terms: Computer networks.Internetworking (Telecommunication) Dewey Class. No.: 004.6