Hi POA Network team,
From what I know, Ethereum testnets based on PoA, like Kovan, are susceptible to DDOS attacks. This can severely delay genuine transactions, which Kovan has experienced sometimes.
How does the POA Network prevent or mitigate this? Since the IP addresses of authorities are public, and there are not more than 15-20 authorities, it is susceptible. So what are your methods to solve this?