What Is DWDM?

The Internet demand is always growing, especially the hugely popular video streaming services are increasing greatly. This provides a threat for the service provider. As…

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Passive CWDM VS DWDM – Which to choose?

With current industry advancements trend that has equalized costs of transceivers, in technical battle of CWDM vs DWDM more advancements are in DWDM.   Lets…

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Fast Ethernet vs Gigabit Ethernet

Ethernet is a group of networking technologies, which is used to connect multiple systems to develop a Local Area Network (LAN). Many types of Ethernet are…

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Cloud Computing vs Big Data: What Is the Relationship?

Cloud computing and big data are two of the most trending terms in the ever-lasting IT sector nowadays. You may think that they both do…

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WDM Filter Technology

As an unprecedented opportunity to dramatically increase the bandwidth capacity, WDM(Wavelength Division Multiplexing) technology is an ideal solution to get more bandwidth and lower cost in…

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An Analysis on Principles and Key Techs of 40G/100G Coherent Optical Communication

As the large-scale deployment of 40Gb/s is carried out, many new 100G/s code modulation formats have emerged in the industry. For various transmission code patterns…

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A Comparison of QSFP28 4WDM and QSFP28 CWDM4

Both 4WDM and CWDM4 belong to 100G QSFP28 series optical transceiver, and are certainly related to WDM (wavelength division multiplexing)tech. Maybe there are still people…

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Why to Use DWDM System in MAN and What Are Its Networking Schemes?

On account that DWDM (Dense Wavelength Division Multiplexing) technology can make full use of the huge bandwidth resources of optical fiber, greatly increasing the transmission…

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