[OpenSIPS-Users] Question regarding Federated User Location Cluster

[Jeffrey Zhao]

Dear Team
After reading through below Tutorial, I have some questions regarding Database and NoSQL setup model for Federated User Location Cluster.




https://opensips.org/Documentation/Tutorials-Distributed-User-Location-Federation


For example, for formal production system senario, two sites, with two opensips nodes for each site, HA mode for each site.
1. Should I deploy MySQL and Cassandra on each node? 4 MySQL instances and 4 Cassandra on each node?
2. Should I setup db replication among 4 MySQL instances or just standalone separated setup?
3. Should I put all 4  Cassandra instances into one cluster?
4. For each HA virtual IP setup, what's the recommended tool, keepalived?




Thanks in advance.


Best wishes,
Jeffrey
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