Deployment topology considerations

So far, you have used WID and the ingratiated WPS/WESB unit test environment to deploy and test the Sales Fulfillment Application. In the unit test environment, all the necessary artifacts were created for you automatically using the embedded Derby database. To deploy the Sales Fulfillment Application into production, you will need a robust deployment environment topology that makes use of a database like IBM DB2. A deployment environment is a collection of configured clusters, servers, and middleware that collaborate to provide an environment to host software modules. The characteristics of a successful deployment topology include:

• S calability: Indicates the ability of a system, subsystem, application, or a deployment environment itself to either handle growing amounts of work in a graceful manner, or to be readily enlarged. You can scale it vertically (or scale up) by adding resources to a single node in a system, typically involving the addition of...