This document is specific to Insight 9.0 and is maintained here for legacy purposes. Documentation for Insight 11 can be found here;
One of Insight's strengths is the efficient screen capture and transfer methods. If the whole teacher's screen is changing Insight only uses around 60K/sec. This is less than 1% of a 100 MB network.
Because we use a broadcast packet, the bandwidth consumed is the same with 2 computers as with 200 computers.