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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ``` 消息生產者(發布)將消息發布到topic中,同時有多個消息消費者(訂閱)消費該消息。 和點對點方式不同,發布到topic的消息會被所有訂閱者消費。 當生產者發布消息,不管是否有消費者。都不會保存消息 一定要先有消息的消費者,后有消息的生產者。 ``` ![](https://box.kancloud.cn/b1309af2c5806dbf78863b65c9f88713_531x341.png)
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                              哎呀哎呀视频在线观看