Product : Ripple, Ripple Transaction Protocol/0.90.0, All
Feature : Consensus , Algorithms, Architecture
Content Owner:  MLG Blockchain
Summary
Ripple Protocol Consensus Algorithm

70+ validators
Details
Applied every few seconds by all nodes. Once consensus is reached, the current ledger is closed. Most recently closed ledger is known as the last closed ledger and is the basis of the distributed ledger.

For more information: https://vimeo.com/64405422