Dense wavelength division multiplexing


Dense wavelength division multiplexing (DWDM) is a technology to multiplex/combine many discrete channels into a signal and transmits one or more such signals on single optical fiber. Hence one Fiber works as multiple virtual fibers. The capacity of DWDM is many times as compared to SDH system.

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Top 5 Internet service providers in India


There are many ISPs in India. Here we will look some top 5 Internet service providers of Country at customer point of view. Internet users are increasing very rapidly, and hence data usage is also growing fast, thanks to the budget smartphones which make it easier to access the internet on phones.

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