BLOCKS Use proven technologies - don’t reinvent the wheel • RAFT replication – http://raft.github.io ● Open source Java implementation of RAFT - Apache Ratis Library. • Storage Containers – Unit of replication Storage Container Manager {Manage Containers, allocate blocks, certificates, datanodes} HA Raft Ring HA Raft Ring Immutable Data blocks Snapshotting the object NameSpace is enough to get point in time