International Journal of Innovative Research In Advanced Engineering (IJIRAE)
In this paper, the authors approach the 21st century the remarkable revolution in information services has permeated their society. This rapid growth of information technology has led to new services hungry for transmission capacity. Communication, which in the past was confined to narrowband voice signals, now demands a high quality visual, audio and data context for services such as Voice over-Internet Protocol (VoIP), video streaming, broadcasting of TV programmers, high-speed file sharing, e-commerce and e-governance need a transmission medium with very high bandwidth capabilities for handling vast amounts of information. The telecommunications industry however, is struggling to keep pace with these changes.