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In EdgeView scheme, the controller's role is to setup and start the EdgeView session, the controller does not get involved into the packet/data message switching part.
The decoupling of controller from operation of EdgeView offers several benefits. First it allows simplification of controller's workflow; when debugging EdgeView operation itself, the only item needs to be checked is the EdgeView container which runs on the device side and on the user's laptop; when adding a new feature into EdgeView, normally only the EdgeView code needs to be touched, thus it is easy and fast to add features into EdgeView.
10) Why Dispatcher is needed, who controls it
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