Site Reliability Engineering (SRE) implements DevOps

DevOpsSRE
Reduce organization silosUsing the same tools and techniques
Accept failure as normalHave a formula for balancing accidents and failures against new releases
Implement gradual changeEncourage moving quickly by reducing costs of failure
Leverage tooling & automationMinimizing manual systems work to focus on efforts that bring long-term value to the system
Measure everythingMeasuring availability, uptime, outages, toil, etc.