Database Replication—Ensure Availability of Your Business Critical Applications

While database replication is the most challenging aspect of database administration, it is a vital to the availability of your business-critical applications and information. As the name implies, database replication is the creation and maintenance of multiple copies of the same database. It improves availability because the slave database servers can be configured to take over the master role if the master database server becomes unavailable.

Our engineers have vast experience completing this complex process. We can plan, deploy, manage, administer, monitor and troubleshoot replication designs and implementations for a variety of database vendors.

Briefly, here’s how it’s done:

• In most implementations of database replication, one database server maintains the master copy of the database and additional database servers maintain slave copies of the database.
• Database writes are sent to the master database server and are then replicated by the slave database servers.
• Database reads are divided among all of the database servers, which results in a large performance advantage due to load sharing. 

Xtivia offers Replication Services for the following platforms:

• IBM DB2 UDB
• IBM Informix
• Microsoft SQL Server
• Oracle
• Sybase

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