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Deployment: in Kubernetes, an object for deploying stateless applications like web servers.
- Compare Service
Discovery Document: the specification for a GCP API, similar to OpenAPI but not the same
- https://developers.google.com/discovery/v1/reference/apis
DoQ = DNS over QUIC
- Defined in RFC 9250
DORA = DevOps Research and Assessment
- https://dora.dev/
- a research program, that seeks to understand the capabilities that drive software delivery and operations performance
- mostly known for DORA Metrics, although that name never appears on their site:
  - Deployment Frequency
  - Lead Time for Changes
  - Mean Time to Recover
  - Change Failure Rate
DoS = Denial of Service
DSR = Direct Server Return
- A load balancing mechanism in which inbound packets flow from switch to LB to backend, and response (outbound) ones return to the switch, bypassing the LB
- In GCP, used by the “External TCP/UDP network load balancer”
- aka Direct Routing, aka nPath Routing
- How it works https://www.youtube.com/watch?v=eqOH_LOGaKo
Durability: a measurement related to data protection
- See RPO, RTO