The perfSONAR toolkit is an open source network measurement package designed to provide multi-domain network monitoring and establish end-to-end network usage expectations. It has proven popular in research and education networks, particularly for communities who move large volumes of data over significant distances. For example, sites taking part in CERN’s Worldwide Large Hadron Collider Computing […]
Author: Tim Chown
Today, 6th June 2022, marks the tenth anniversary of the World IPv6 Launch, an event that saw many ISPs and content providers turn on IPv6 access to their services for the first time. In this article, we reflect on an IPv6 use case that’s now seeing 100Gbps of IPv6 traffic traversing Janet. The Large Hadron […]
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Is it time to consider streaming telemetry?
Traditionally network monitoring of properties such as traffic levels through an interface has been done by using SNMP-based polling of network devices. With such polling typically performed every five minutes the resulting plots will produce 5-minute data samples, so the traffic level shown over time, and the maximum rates seen, will be an average for […]
It was great to see so many of the Jisc and Janet networking community at our first ever Networkshop online. While the circumstances driving us to that format were of course very unfortunate, the fact that around 500 people registered, and the vast majority of those then attended our three day event, was fantastic to […]