One step at a time will guide us to the moon. Adjusting direction in regular intervals is key to effectively navigate. Having happy customers is the ultimate goal. Check out the Agile Manifesto.
Culture, Automation, Measuring and sharing are the values which foster effective workresults. Continuos-Delivery ensures that your efforts are not stuck somewehere in the value-chain and that you continuously improve your procedures. Watch this 7 min Video to learn more about devops.
. Also quite interesting is the Contimuous Delivery Article on Wikipedia.
Ensuring that quality gets delivered even when organisational handoffs are involved is key in huge organisations. Monitoring Service Level Indicators and using them to make business decisions is what SRE is mainly about. Read the most important chapter of the SRE Workbook by Google.
