Innovation, the lifeline to survival in the telecommunications market, has spurred the telecommunications industry to adopt next-generation SONET/SDH as the most economical and technologically feasible solution for transmitting both voice and data over carrier networks. According to Marian Stasney, a Yankee Group senior analyst, “As bandwidth demand increases or equipment becomes obsolete in me...

aBstraCt The growing popularity of the Internet has resulted in attracting many enterprises to do business transactions over the Internet. The current Internet protocol version 4 (IPv4) has been used for over 20 years. Even though IPv4 applications have been quite successful, it faces a problem of shortage in IP addresses, ineffective security mechanisms, and a lack of service quality managemen...

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