March 10, 2022


Perfect is the Enemy of the Good: A Lesson on Uptime

3 min read

Striving for 100% service availability is not as good a goal as it appears. It can reduce flexibility and increase the fragility of dependent systems. How can application developers build resiliency into application services with the assumption that no service is 100%.

September 9, 2014


A Different Kind of Crash Test for the Catalyst 4500E

2 min read

Networking environments can be harsh. Outdoor environments are often harsher! Do not try this at home. When testing your Cisco switches for high availability capabilities, we recommend not setting them on fire, crashing into, or flooding them with water. However, we do have some experience with these situations and our switches keep running. The network […]