Twilio opens up the black box of Telecom for developers,
making it incredibly easy to build apps that can communicate via
voice or sms. However, due to the nature of Telecom, this imposes
very strict availability constraints and can affect how fast Twilio can
ship code to production as every change can affect uptime. Learn how
Twilio solves this problem by following a set of engineering principles
to build fault tolerant and highly available services in the cloud.