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Terabit Ethernet

Terabit Ethernet

The IEEE recently approved the 802.3ba standard which supports both 40 Gbit/s and 100 Gbit/s transfer rates. Many research teams, both in the academic environment and in commercial business labs are working on terabit technology.

Tomorrow’s Internet: 1,000 times faster – [physorg.com]

Imagine if all the data traversing the world right now — on long distance networks and between and within computers and other hardware — could be sent through a single fiber the width of a human hair.

A new research center has been launched at the University of California, Santa Barbara (UCSB) to make that a reality. Researchers with the Terabit Optical Ethernet Center (TOEC) will develop the technology necessary for a new generation of Ethernet a thousand times faster, and much more energy efficient, than today’s most advanced networks. They are aiming for 1 Terabit Ethernet over optical fiber — 1 trillion bits per second—by 2015, with the ultimate goal of enabling 100 Terabit Ethernet by 2020.

100 Gigabit Ethernet: Bridge to Terabit Ethernet – [networkworld.com]

Pre-standard 40 Gigabit and 100 Gigabit Ethernet products – server network interface cards, switch uplinks and switches — are expected to hit the market later this year (2009). And standards-compliant products are expected to ship in the second half of next year, not long after the expected June 2010 ratification of the 802.3ba standard.

The IEEE, which began work on the standard in late 2006, is expected to define two different speeds of Ethernet for two different applications: 40G for server connectivity and 100G for core switching.

IEEE 802.3ba – [wikipedia.org]

IEEE 802.3ba (also known by its proposed standard name IEEE P802.3ba) is an IEEE standard of the 802.3 family of data link layer standards for Ethernet LAN and WAN applications, whose objective is to support speeds faster than 10 gigabits per second (Gbit/s). The standard supports 40 Gbit/s and 100 Gbit/s transfer rates.


Terabit Networks
– [ieee.org]

Terabit networks support transmission rates of at least one trillion(1012) bits/second (Tb/s)1. These networks are becoming more common because they provide the capacity and bandwidth needed to meet increasing customer demand for data and voice communications, and to support future Internet growth of high quality video and e-commerce applications. When properly designed they can also reduce latency for Long Haul Network (LHN) traffic, reduce the time needed for new circuit provisioning, and reduce overall network management complexity as well.

This overview of terabit networks consists of the following subsections:

* Market and Service Drivers
* Challenges and Requirements
* Service Network Architecture – Overview
* Service Network Architecture – Detailed View
* Core Optical Network (CON) Traffic Provisioning & Management
* Terabit Optical Technologies
* For Further Reading

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