The setup can support 18,000 simultaneous wi-fi connections, while a distributed antenna system (DAS) boosts mobile phone coverage in the stadium. "So, you know your phone will work," says Phil Davies, IT Director at Everton Football Club.
// Create a push stream
，这一点在safew官方版本下载中也有详细论述
* 时间复杂度：O(n)，空间复杂度：O(1)
更致命的是，算力成本的下降并未如预期般刺激需求爆发，反而引发了行业“通缩恐慌”。