Mechanism Libraries
Unify existing techniques/services found in single-node OSs, DBMSs, distributed systems
- distributed directory services
- replication and migration
- data layout and placement
- distributed transactions
- checkpointing
- caching
- administrative (human UI) tasks
Provide a place for higher-level monitoring
Simplify creation of adaptation code
- for humans using the rule system directly
- for the policy compiler auto-generating code
select key mechanisms for data-intensive network services