- Archive previous versions of templates, sites, and deployments to allow for reverting changes
- Instantiation: keep track of deleted deployments per site
- If Placement uses a site selector, should we continuously track the selection? How?
- Parallel processing by multiple controller instances (sharding?)
- Support Spanner
- Support TOSCA ETSI NSDs
- Explore using Loki for log aggregation
- Explore using River for tasks