1. Introduction To Dense Wave Division Multiplexing (DWDM)
... like Xerox, Apple and Microsoft. GUI provided a friendly user interface to computers. This required increased information to generate a graphical image. It was only a matter of time before the GUI concept was applied to computer networking thus the birth of today's Internet and hypertext markup language (HTML). And at times the telecommunications ... at the physical optical layer, it is independent of the bit rate and format of the data. To DWDM, it doesnt matter if the data is PDH, SONET, or SDH. In fact, it doesnt matter if the data is part of an ATM or Ethernet network. Therefore, IP ...
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