04-05-2011, 08:07 PM
To meet increasing consumer demand for service providers that provide scalable dwdm systems, the role of the amount of bandwidth is important. dwdm optical layer Internet Protocol (IP), respectively, over asynchronous transfer mode (atm) and the optical network/synchronous digital hierarchy when compatible (sonet/sdh), e-mail, video, multimedia, data, and a crucial component of the optical networks that allows the transmission of voice € carried as discussed.