Wide Area Networks Technology A WAN provides long-distance transmission of data, voice, image and video information over large geographical areas that may comprise a cou...
Local Area Networks Technology A local area network (LAN) is a communication system that allows a number of independent devices to communicate directly with each other in...
IP Version 6 (IPv6, or IPng) The evolution of TCP/IP technology has led on to attempts to solve problems that improve service and extend functionalities. Most researche...
Internetworking and Layered Models The Internet today is a widespread information infrastructure, but it is inherently an insecure channel for sending messages. When a messag...