Data communications: concepts and systems

Understanding data communications: from fundamentals to networking Held, Gilbert Design and analysis of computer communication networks Ahuja, Vijay Computer networks: protocols, standards, and interfaces Bloack, Uyless Computer networks Tanenbaum, Andrew S. Computer networks Tanenbaum, Andrew S. Computer networks and internets Comer, Douglas E. Computer networks Tanenbaum, Andrew S. Computer networking with Internet Prolocals and Technology Stallings, William