On 15 Feb 2022, at 16.22, Otto J Wittner <otto.wittner@sikt.no> wrote:

Hi, Nordunet NOC!

While browsing yesterdays (2022-02-14) events discovered by our https://microdep.uninett.no end-to-end monitoring tool, we observe a collection of "routechange-events" with associated connection downtimes ("Lost") in Nordunet:

## trondheim-mp to adelaide-mp
https://microdep.uninett.no/tracetree.html?topo=/dragonlab/mp/trondheim-mp/2022-02-14/trace/138.44.131.1011.json&to=adelaide-mp

Day Time Lost(s) Queue(ms)
14 14:01 0.1 0.2
14 14:22 26.9 0.3
14 14:25 0.1 0.2

## trondheim-mp to auckland-mp
https://microdep.uninett.no/tracetree.html?topo=/dragonlab/mp/trondheim-mp/2022-02-14/trace/130.216.51.1321.json&to=auckland-mp

Day Time Lost(s) Queue(ms)
14 10:23 2.4 0.2

(Also observable on trondheim-mp to saopaulo-mp: https://microdep.uninett.no/tracetree.html?topo=/dragonlab/mp/trondheim-mp/2022-02-14/trace/200.133.192.1331.json&to=saopaulo-mp)


## trondheim-mp to zurich-mp
https://microdep.uninett.no/tracetree.html?topo=/dragonlab/mp/trondheim-mp/2022-02-14/trace/130.59.35.2141.json&to=zurich-mp

Day Time Lost(s) Queue(ms)
14 17:27 0.6 0.1


26.9, 2.4 and 0.6 second outages... can something perhaps be further optimized?

BR
O2

--
Otto J Wittner  tel +47 99550566
Sikt            http://sikt.no