Sybase Multi-Tier Architecture Diagram Image scaled down Click to enlarge./
The OpenLink ? Multi-Tier Drivers for Sybase are a Type-B class driver developed using the TDS network (wire) protocol interface. Multi-tier is ideally suited to larger installations where the network administrator wishes to handle security rules and performance configurations centrally.
This approach presents an extra layer of abstraction, such that by installing one component on each client, you can connect to several servers, or several different databases via the same broker. On data-consuming machines (clients or application-servers), you install a generic client. On the server you install a request broker which handles incoming connections, and a database agent which makes the connection to the database itself. The OpenLink ? Multi-Tier ODBC Driver for Sybase comprises two parts.
