Use Case: Multi-Master MySQL for Telco Providers

Geo-Distributed Multi-Master MySQL Replication for Telco Providers or The Multi-Master Telco Provider
User Profile
This customer is a Telco provider that specializes in roaming, i.e. complete connectivity solutions around the world. More specifically, they provide a cost-effective, and reliable way for travelers, in particular, to stay connected while traveling across the globe in 200+ countries and territories.
Tungsten Topology
Active/Active Tungsten Clustering topology – Three active Multi-master MySQL clusters


Multiple active sites which processes payments worldwide

This customer needed multiple active sites due to the continuous expansion of their payment system, which processes payments worldwide. In addition, they wanted to leverage read/write splitting to distribute load within their MySQL cluster, without any modification to their application. Before Continuent Tungsten Clustering, they were using Galera clusters, but understood they could not do geo-distributed multi-master using Galera and synchronous replication.


The solution this customer opted for involves Composite Tungsten Clustering deployed in three (3) geographically distributed sites, and 3 nodes in each site. What this solution provides:

  • Full HA support, including across cloud regions and/or datacenters
  • Intelligent proxying and query redirection
  • High-speed performance with very low latency
  • Zero-downtime maintenance

Benefits - Multi-Master MySQL for Telco Providers

Disaster Recovery

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