请教一个场景怎么搭建服务 - V2EX
zhuoyue100

请教一个场景怎么搭建服务

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  •   zhuoyue100 Aug 22, 2024 1461 views
    This topic created in 632 days ago, the information mentioned may be changed or developed.
    1. 有一个 tcp 服务,连接成千上万的设备
    2. 有一个 websocket 服务,连接用户端 如 web ,小程序,app 等

    用户发送的请求通过 websocket 通知给 tcp 到设备,下面 2 种方案怎么选择?

    1. tcp 和 websocket 服务合并成单个服务开发部署 缺点:每次重启 ws 就要重启 tcp , 优点:不需要 2 个服务之间通信
    2. tcp 和 ws 分开部署 缺点: 服务间需要通信,要么 ws 开一个 tcp 客户端,要么用消息中间件, 增加维护成本 优点:ws 可以单独重启,ws 服务上含有业务 api
    sagaxu
        1
    sagaxu  
       Aug 22, 2024
    当然按分开部署设计,不要有直接调用,走 RPC 或消息队列,留下足够弹性。
    实际上线运营,初期可以部署在一起,小项目也没必要搞微服务,直接单体多服务,有需要时再独立部署。
    sagaxu
        2
    sagaxu  
       Aug 22, 2024
    简单点来,那个 TCP 服务也可以走 ws 连接到那个 websocket 服务,作为“特殊的用户”存在,就变成其它用户给这个“特殊的用户”发消息了。
    zhuoyue100
        3
    zhuoyue100  
    OP
       Aug 22, 2024
    @sagaxu 拜谢大佬!!
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