Application sharing between a client, middleware and enterprise server Application sharing between a client, application server and enterprise database server.

Tier 3: the data server provides the business data. These are some of the advantages of a three-tier architecture ... are used to communicate with the client and the data server through TCP/IP. Figure ...

McAdams, who is CEO of PaaS vendor TrackVia, successfully argued that you wouldn't want to use Database.com as the database layer in a 3-tier client-server architecture: "... web application ...