You can set up a single-server or a distributed deployment for Replication Server Data Assurance (DA) Option.
Your choice of deployment type depends on your performance needs and the ease of
installation and maintenance required.
Single-Server Deployment
A single-server deployment consists of Data Assurance (DA) server, and the local agent that comes with the DA server installation installed on a single machine. The local agent connects to database servers for simple comparison.
Distributed Deployment
A distributed deployment consists of Data Assurance (DA) server installed on one machine, and DA agents installed on or near the machines where the target and source databases are residing. The DA server stores the agent and database connection profiles used to establish the connection required for comparing databases.