Forouzan, A. Behrouz. Data communications and networking : with tcp/ip protocol suite / - 6 ed. - India : Mc Graw Hill Education, c2022 - xxi, 834 p. : ill. ; 24 cm. Includes index. ISBN: 9789355320940 LC Class. No.: 24570-24572 Dewey Class. No.: 004.6 / FOR