Activision Blizzard tweeted this morning that the battle. Net service is suffering from DDoS (distributed denial of service) attacks, which may lead to high game delays and network outages for some players. At the beginning of the attack (7:11 p.m. EDT), the official twitter account urgently notified the players. Subsequently, it was announced at 8:29 that the vicious attack had ended.
According to the user report of downdetector, during the DDoS attack, players encountered network problems when playing games such as "watch pioneer", "world of Warcraft", "call of duty" and "Diablo 3".
Last November, battle.net suffered a DDoS attack, and the attack lasted about an hour like this.