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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
                >[info] MQ-最終―致性 最終一致性事務需要解決的主要難點: **生產者:** 1 消息百分百投遞成功 * 結合comfirm機制 **消費者:** 2 消息百分百消費成功 * 結合ACK機制 * 并且要解決冪等性問題 ***** 1. ### **什么是Confirm機制?** 概念: Pro發送消息到Broker,Broker接收到消息后,產生回送響應。Pro中有一個Confirm Listener異步監聽響應應答 步驟: * 消息的確認:Pro投遞消息后,如果Broker收到消息,則會給Pro一個應答 * Pro接收應答:用來確定這條消息是否正常地發送到Broker,該法也是消息可靠性投遞的核心保障! ![](https://img.kancloud.cn/6b/73/6b7347952ace4a479e4662f949c13903_1020x580.png) ![](https://img.kancloud.cn/e7/1e/e71e48237a38309c98e98688b51e4213_981x653.png) *
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