After careful planning, John and his team designed a virtualization architecture that would meet their needs. They decided to deploy:
CUCM’s architectural heart is its Informix (moving toward PostgreSQL in later 15.x updates) database cluster—a "dumb" replicating system where every node holds a full read/write copy of the configuration database. Virtualizing this tier has historically been perilous due to split-brain scenarios and I/O latency. cucm 15 virtualization
After completing the deployment, the team experienced several benefits: After careful planning, John and his team designed