What is the difference between peer replication and merge with SQL Server?
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What is the difference between peer replication and merge with SQL Server?
What's the difference between peer-to-peer replication and merge replication using SQL Server?
- Peer-to-Peer Transactional Replication is typically used to support applications that distribute read operations across a number of server nodes.
Although peer-to-peer replication enables scaling out of read operations, write performance for the topology is like that for a single node, this is because ultimately all inserts, updates, and deletes are propagated to all nodes. If one of the nodes in the system fails, an application layer can redirect the writes for that node to another node, this is not a requirement but does maintain availability if a node fails.
See: [Peer-To-Peer Replicaiton][1]
Merge Replication is bi-directional i.e. read and wrtie operations are propogated to and from all nodes. Merge replication often requires the implementation of conflict resolution.
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