40 Gigabit Ethernet (40 GbE)

What is 40 Gigabit Ethernet (40 GbE)?
40 Gigabit Ethernet (40 GbE) is an Ethernet standard that enables frame transfers at a speed of 40 gigabits per second (Gbps). This standard is usually only intended for connecting local servers and not for the Internet backbone, which requires the more robust 100 Gigabit Ethernet standard (100 GbE).

It uses Quad Small Form Factor Pluggable (QSFFP) cable, which uses a high density fiber optic connector that has 12 bundles of fibers. 40GbE together with 100GbE were the work of the IEE High Speed ​​Study.
The 40 Gigabit Ethernet standard was developed in 2007 with the 100 GbE standard in order to increase the available bandwidth and at the same time ensure compatibility with current interfaces and network management principles. It was also a solution to the increased working distance requirements of applications. The standards were approved in 2010.

According to the IEEE Higher Speed ​​Study Group, both standards should meet the following goals:

The existing 802.3 frame format is retained at the minimum or maximum size

Support for applications that require more bandwidth

Supports high-speed switching, routing and application functions for data centers

Issue bit error rates of 10-12 or better

Support for optical transport networks

Bereitstellung der Besonderheiten für den business über bestimmte Fasern, Kabel und Backplanes

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