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What’s WDM?

WDM is a technology for transporting large amounts of data between sites. It increases bandwidth by allowing different data streams to be sent simultaneously over a single optical fiber network. In this way, WDM maximizes the utilization of fiber and helps to optimize network investments.

What’s CWDM and DWDM?

As mentioned above, CWDM and DWDM are two technologies developed based on WDM, but with different wavelength patterns and applications. CWDM is a flexible technology that can be deployed on most types of fiber networks. It is typically deployed in point-to-point topology in enterprise networks and telecom access networks. While DWDM is viewed as an option for the metropolitan network. Now it is also used for interconnecting data centers and for financial services networks and is often deployed in a ring topology.



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