When your firewall dies, and you need something, FAST.

For a number of years, I've been mentioning to colleagues, managers, interested members of staff and random strangers in the supermarket (well maybe not the last one) that I don't like single points of failure in enterprise ICT infrastructure.

I occasionally picture my network layout in my head, and think about the single points of failure with dread.

"One of these days, that single fancy firewall is going to die. And we're not going to be happy about it". 

Said firewall "died" last week...