Enterprises with data centres seek solutions with IEEE 802.3 standards to extend a multi-vendor ecosystem for cost optimization.
Reusing serial lane signaling technology in newly constructed data centres optimizes cost. This holds true for companies that need server interconnects for 10 Gb/s Ethernet and beyond.
“The application of single-lane 25 Gb/s signaling technologies provides Ethernet with a solution set that can be reused by those companies building the data centers of tomorrow,” shared Mark Nowell, chair of the IEEE 802.3 25 Gb/s Ethernet Study Group and senior director, Cisco Systems, in a press release. “The new study group expects to lay the groundwork for a new Media Access Control (MAC) rate that will enable cost-optimized single-lane solutions that will increase network deployment efficiency. The heavy lifting in developing and standardizing 25 Gb/s signaling technologies has been done as part of the development of 100 Gb/s Ethernet. These technologies can be reused to enable a single-lane 25 Gb/s Ethernet solution set for server interconnects for these future data centers.”
The fundamental building block for 100Gb/s Ethernet was introduced by IEEE 802.3ba-2010’s ratification “Standard for information technology – Local and metropolitan networks for 40 Gb/s and 100 Gb/s operation.”
The working group has expanded the use of this signaling technology since then. The IEEE 802.3bj-2014 standard for Gb/s operation and copper cables defines 100 Gb/s Ethernet operation over backplanes and copper twin-axial cables.
“Manufacturers and suppliers require standards-based networking to enable and extend the industry’s multi-vendor eco-system,” said David Law, chair of the IEEE 802.3 Ethernet Working Group and distinguished engineer with HP Networking, in a press release. “This study group will provide the opportunity to explore the possible development of a single-lane 25 Gb/s Ethernet standard supporting those application spaces needing cost-optimized performance beyond 10 Gb/s Ethernet for large scale deployments.”
The IEEE P802.3bm is drafting a standard to define 4 x 25 Gb/s operation for signal traces for chip-to-chip module applications as well as multi-mode fiber operation.
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