A well-known transactions feature in data replication that takes the "last
seen" transaction watermark, stores the watermark for each source in a
topology, and tags each transaction with information associated with its
origin. The tagged data is called Originator Information, and contains,
but is not limited to, information on the originating server, originating
database, and the originating transaction. This technology provides users
with a method to scale out (keep more than two nodes in synchronism with
updates at all nodes), increase availability of data during limited
network failures (multiple replication pathways), and improve recovery
strategies (redeliver transactions upon restore).