Recall the token ring not falling and error management way, compared with the Ethernet assume possibly failure. It is such a headache to manage token ring and

Recall the token ring not falling and error management way, compared with the Ethernet assume possibly failure. It is such a headache to manage token ring and sna network. At least sna is reliable. Token ring is actually no. Suprisng. But at least sna assume there might be issues in the other end. Not token ring. And that is the problem of assuming all problem is managed.