doc.Products.dotnet-postgres-mt The Multi-Tier .Net Provider for PostgreSQL consists of a 100% managed client assembly and the PostgreSQL Database agent on the server utilizing the built in database independent network layer for communication between the client and server.The OpenLink Multi-Tier Drivers for PostgreSQL are a Type B class driver developed using the PostgreSQL network (wire) protocol interface.These drivers are currently available for PostgreSQL versions 6.x, 7.x and beyond. [[/images/aodbcst.gif|]] /Oracle .Net Provider Architecture Diagram Image scaled down; Click to enlarge./ This driver is available for Windows and Linux Operating systems.