CI/CD vs ITIL How do you implement changes in your network? In today’s world there’s 95% chance that you have to write up an RFC, submit it at least a week before the planned implementation date, go through at least one CAB meeting and only then, assuming it got approved, can you implement it. But the most important question is ‘how do you test’? Do you simply content yourself with a few pings or do you make sure all main routes are in place?