Also, Windows Insider Previews for PC and Mobile were just released about 20 mins ago. These are full installs, so ~4GB for PC and ~1GB for Phone
We’re (AS133075) also seeing large increases in traffic today which are predominantly Microsoft related. Some is entering our network via our Microsoft peering in Sydney but a lot is coming out of Akamai/Microsoft caches within Vocus’s network so we’re seeing it as International IP transit which is a bit ouch!
We're seeing a large increase in inbound traffic levels today.
Appears to be coming in both over peering links and internationally. Right now it appears to be Microsoft related.
An AKL-IX graph shows it well - http://monitor.akl-ix.nz/cacti/graph.php?local_graph_id=14&rra_id=all
Does anyone else have more information to add as to what MS patches or similar are causing this? And over what borders this traffic is entering their networks?