3
Alfrânio Correia
Simpósio Doutoral do DI, 2005
DBSM in a nutshell
Overcomes problems of
traditional synchronous
replication protocols -
contention and deadlocking
Update-everywhere and
deferred updates replication
Atomic multicast to propagate
the transaction´s processed
data
Total order combined with local
conflict detection phase to
ensure 1SR.
Revisiting ESR to improve the DBSM
The Database State Machine
GC
Database
Read-Only
Transactions
Update
Transactions
Certification