Searching protocol for "ledger subsystem"
Ledger subsystem technical overview
Understand Stellar Core's history archive subsystem.
Understand Stellar's bucket subsystem
Understand Stellar's Herder subsystem.
Invariant subsystem technical summary
Understand Stellar's history subsystem.
Understand Stellar Core's main subsystem.
Understand Stellar's transaction engine.
Understand Stellar's protocol XDR types
Stellar Core: Deep dive into architecture.