This reminded me of the similar cascading effect you get with availability across the aggregate of many services as discussed in "The Calculus of Service Availa

This reminded me of the similar cascading effect you get with availability across the aggregate of many services as discussed in "The Calculus of Service Availability": https://queue.acm.org/detail.cfm?id=3096459 https://queue.acm.org/detail.cfm?id=3096459