Replication over High Latency WAN

  • The scenario, I have locations in NJ,US and London with a SQL 2008R2 Server at each site. I have a primary database at each site that we are looking to replicate to a separate instance at the other office location.

    NJ - SQL Server 2008R2

    Instance 1 - Primary US Database

    Instance 2 - Backup UK Database

    _____________________________

    UK - SQL Server 2008R2

    Instance 1 - Primary UK Database

    Instance 2 - Backup US Database

    30mb WAN that is highly latent; 120ms average.

    Does anyone have an recommendation as to which methods to focus on for trial and thoughts of what to look out for?

    Cheers

  • We have this setup in our company..., so this we have used log shipping.. i assume your backup database is in read only mode....

    u can manually set up the log shipping job timing

    NJ - SQL Server 2008R2

    Instance 1 - Primary US Database

    Instance 2 - Backup UK Database --read only mode

    _____________________________

    UK - SQL Server 2008R2

    Instance 1 - Primary UK Database

    Instance 2 - Backup US Database -- read only mode

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