# Replication Workers (The Branch Staff) These workers are responsible for communicating with other branch locations to keep everyone in sync. ![[assets/arch_standby_cloner_v2.png|256]] --- ![[WalSenderMain]] ![[WalReceiverMain]] ![[WalWriterMain]] ![[RecoveryWalStream]] ![[ReplicationSlotsyncMain]] ![[WalSummarizerWal]]