March 2021
Intermediate to advanced
400 pages
14h 24m
English
Data communication and networking have a long rich history—the advancements from telegraphy to the near universal use of the PSTN seemed to happen at a steady and measured pace over the course of 60 years or so. However, with the advent of packet switching, which enabled multiple transmissions to share a single circuit and the creation of ARPANET and the Internet, the pace of networking and communication innovation accelerated even beyond the wildest expectations of the most enthusiastic futurist of the 1980s.
Initially, networks were wired; but with advancements in mobile telephony came the development of the WLAN, which could be accessed by mobile users.
Wireless networking has changed the world in many ways. It has altered ...