Fear versus trust, courage and calm

The dictionary defines fear as an unpleasant emotion caused by the belief that someone or something is dangerous, capable of causing pain, or threatening. Along with these thoughts go many physiological hormonal processes that can affect your health in the long run. If you have…

Carrier Ethernet over SONET – WDM Networks

The broadband networks of US telecommunications operators are fiber optic networks using SONET (synchronous optical network) and WDM (wavelength division multiplexing) technologies. SONET uses TDM (time division multiplexing) to multiplex data streams of different speeds in the electrical domain and then converts the electrical signals…