Anabel Alarcon

Technical Features

Flex Ethernet: breaking the chains of physical bandwidth

By Anabel Alarcon

Ethernet networks have grown from connecting buildings to connecting cities, countries and continents. To move increasingly more information, service providers, hyperscale companies and data centres are deploying new Ethernet links. Some of the challenges they face include: -Different types of physical interface (transceiver) technologies (CFP4, QSFP28, CFP8) make it difficult for architects and designers to […]

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Guest Blog

The QSFP28 100G FR single laser, a competitor to the CWDM4?

Thanks to the 400G technology, a new QSFP28 100G module type is coming. The QSFP28 100GBASE-FR, also called QSFP28 100G single lambda, will be a single laser and a single receiver of 100Gbps instead of being 4x25Gbps (4x lasers and 4x receivers).