My understanding of Ethernet is still pretty hazy, but I did learn that a TCP packet is 20-50 bytes (typ closer to 20). So a “got data?” query, and a “no” ack, could be a total of about 50 bytes. This reduces my initial rough bw calcs by more than order of magnitude.

I have been trying to think of a simple, unversal mechanism for async data push from a driver to a device, but can’t so far find anything as simple as periodic polling of the server, from the device side. Read more

A great feature to add to my aiosphere service would be network visualizations for a person’s devices and connections, and their activities. Here is a nice article on some visualizations out there. I especially like the look of fidg’t.