The first step in designing your mobile application is deciding on which implementation strategy is used.

For information about the advantages and disadvantages of each strategy, see Implementation strategy.

For information about the implementation architectures, see Connected and partially connected and Disconnected.

Advantages: All routing logic is run on the server.

Disadvantages: Requires a persistent network connection.

Advantages: Stand-alone operation.

Disadvantages: Needs to make routing decisions. Needs to evaluate logical expressions.

Advantages: When disconnected, can ask a sequence of questions with minimal routing.