Terabit Ethernet

Terabit Ethernet (TbE) is Ethernet with speeds above 100 Gigabit Ethernet. The 400 Gigabit Ethernet (400G, 400GbE) and 200 Gigabit Ethernet (200G, 200GbE)[1] standard developed by the IEEE P802.3bs Task Force using broadly similar technology to 100 Gigabit Ethernet[2][3] was approved on December 6, 2017.[4][5] On February 16, 2024 the 800 Gigabit Ethernet (800G, 800GbE) standard developed by the IEEE P802.3df Task Force was approved.[6]

The Optical Internetworking Forum (OIF) has already announced five new projects at 112 Gbit/s which would also make 4th generation (single-lane) 100 GbE links possible.[7] The IEEE P802.3df Task Force started work in January 2022 to standardize 800 Gbit/s and 1.6 Tbit/s Ethernet. [8] In November 2022 the IEEE 802.3df project objectives were split in two, with 1.6T and 200G/lane work being moved to the new IEEE 802.3dj project. The timeline for the 802.3dj project indicates completion in July 2026. [9]

  1. ^ "IEEE 802.3 NGOATH SG Adopted Changes to 802.3bs Project Objectives" (PDF).
  2. ^ "Network boffins say Terabit Ethernet is TOO FAST: Sticking to 400Gb for now". The Register.
  3. ^ On-board optics: beyond pluggables
  4. ^ "[STDS-802-3-400G] IEEE P802.3bs Approved!". IEEE 802.3bs Task Force. Retrieved 2017-12-14.
  5. ^ "High-Speed Transmission Update: 200G/400G". 2016-07-18.
  6. ^ "[802.3_B400G] IEEE P802.3df Standard Approved!". www.ieee802.org. Retrieved 2024-02-25.
  7. ^ "OIF Launches CEI-112G Project for 100G Serial Electrical Links". Businesswire. 30 Aug 2016.
  8. ^ "802.3df Public Area".
  9. ^ https://www.ieee802.org/3/dj/projdoc/timeline_3dj_231128.pdf

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