This reminds me of the book "Slack" by Tom DeMarco (2001): https://wiki.c2.com/?SlackByTomDeMarco https://wiki.c2.com/?SlackByTomDeMarco Adding a little bit o

This reminds me of the book "Slack" by Tom DeMarco (2001): https://wiki.c2.com/?SlackByTomDeMarco https://wiki.c2.com/?SlackByTomDeMarco Adding a little bit of redundancy into a system is better for the overall performance of that system. However redundancy costs money so it is important to strike the right balance between slack and efficiency.