the original design
In the original design, we didn't show how the front-end communicate with back-end. We also missed the web service which should allow user access from Internet. Dr.Shiping Chen explained his idea and improved our design, Wenhao and I then came out with a new diagram.
the improved design
In the second version, it classified the division of front-end and back-end clearly. As shown in the above diagram, my jobs are:
- design the user interface
- design the command line interface
- decide what user can input
- implement multi-threads
- solve the concurrency control problems
- design the ports to back-end
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