Utveckling av protokoll för bearbetning av
This assignment has been performed at location and commissioned by AttenditAB in Jönköping. The task has been to develop a client/server system to accessdata stored in SQL databases where the client application is developed to run onregular cellular telephones. The importance has been to develop as reliable mobilecommunication as possible. The functionality that is demanded upon the mobilecommunication is:? Secured for future versions? Interoperability? Data should not be bugged, modified or disappearunnoticed? Resource efficientWe have achieved these demands by developing our own protocol that is on top ofthe TCP protocol. The difficulty with the development has been to take in mindthe limited resources of the mobile phones regarding storage, memory and CPU.The result of this task is a working system with a belonging database which hasstable mobile communication as foundation. Server and client is well structure sothe system easy can be extended with new different calls to the database.In hence of confidentiality the real system is not presented in this report. Insteadwe will describe fictitious scenario to exemplify the resolutions to the problemsthat we have identified.