We may do some routing adjustments and s/w upgrades over the weekend. These should be minor and not disrupt normal operations. However, there is always a small risk. Basically there is a bit of tidying up to do after the switch change, and we may be able to move some of the traffic around to make a start on capacity issues at some point during the weekend. At this stage we are not sure, so this is more of an "At risk" notice.
We have updated routers and managed with minimal disruption - rerouting traffic around the upgrades as done. We have also made some config changes. We are still trying to work out if there is a way we can resolve some of the TT capacity issues over the weekend or not, so there may be some more work still.
A number of changes have been done today as well. Again, with minimal disruption.
We also found that all of the Technicolor routers were upset by something when we did the switch change on Thursday. We don't understand what exactly, but rebooting is fixing, so we are rebooting Technicolor routers one by one.
The work over the weekend has gone quite well, with very little disruption. We do now have a clear plan for the changes to alleviate the capacity issues. I don't yet know if this will be possible over the weekend but should be possible on Tuesday.