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400G and Beyond in the Data Center

White Papers

Data center operators will soon begin migrating their networks to 400 gigabit Ethernet (GE), and research and development into 800G and terabit speeds is under way. Faster throughput is no longer just a matter of increasing network speed. New breakthrough technologies, such as four-level pulse amplitude modulation (PAM4) signaling, are the solution to increasing network bandwidth while maintaining the data center footprint. This is necessary as most data centers are already at maximum capacity.

Moving from 100GE to 400GE is revolutionary, not evolutionary. Support for these technologies will require the development of innovative network devices. New device designs will need to meet more demanding standards, make new and unique measurements, and employ advanced test techniques using high-performance instruments and integrated software to achieve increased data throughput.

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