1
vote
1answer
79 views

Eventual consistency in Banking systems

I keep hearing people say Banking systems like ATM use Eventual consistency model for data synchronization, but I am wondering if it is true. Definitely the amount you withdraw might be delayed ...
4
votes
1answer
502 views

Are rollback and roll-forward transactions equivalent for fault tolerance?

I've been reading about systems that employ transactions to provide fault-tolerance -- SQLite, for instance, implements a journal that allows the database to be rolled back to a known state in case of ...