40 Gbit/s Bandwidth

Following the successful trial of 40 Gbit/s circuit technology, JANET(UK) have started an ambitious programme to upgrade the JANET core network from 10Gbit/s circuit capacity to 40Gbit/s, making it the largest deployment of 40Gbit/s over an NREN in Europe.

Phase 1, was completed in September with the installation of four 40Gbit/s circuits in total. These replaced the existing 10 Gbit/s direct links between each of the two JANET Points of Presence (PoPs) in London Docklands to both the Central London and Reading PoPs.

Phase 2, which is due to be completed by the end of the year, will upgrade Reading – London, Reading-Warrington and London-Leeds links from 10Gbit/s to 40 Gbit/s. At the optical level of the network, the Reading-London link will take a different physical path from the Reading to London Docklands links, to provide further resilience. For further details please read the latest upddates, or visit:

To find out more visit the factsheet at: [40 Gbit/s factsheet]

Read the news release on the initial trial: http://www.ja.net/latest/news/2007/40g.html