Figure below provides a high-level view of the information flow between the three tiers of the Essbase architecture :
The client tier
The client tier includes Essbase Server clients, such as :
The middle tier
The middle tier includes services, such as :
The database tier
The database tier is made up of Essbase - Servers.
Communication between the tiers
- Communication between the client and middle tiers, and the middle and database tiers, is through HTTP.
- Communication between the client and database tiers is through TCP/IP or HTTP.