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by thomasikzelf 587 days ago
I used the W5100 before with Arduino but I am not sure about "gold standard" quality. I had a lot of issues with random disconnects several times a day with this board. Maybe it's the board, or maybe it's the arduino code or the connection. Or maybe it was my code. I don't know. Eventually I switched to a pi and never had any connection problems anymore.

When it comes to tcp connections linux seems more robust.