请教: 信令服务器如何避免单点故障? - V2EX
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silenzio

请教: 信令服务器如何避免单点故障?

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  •   silenzio Apr 10, 2020 2743 views
    This topic created in 2211 days ago, the information mentioned may be changed or developed.

    需求: web 需要和后端集群中的某台服务器建立 webRTC 连接, 由调度服务器来选择一个后端服务器.

    整个系统中目前只有信令服务器是单点了, 请问各位大佬, 如何改善呢?

    9 replies    2020-04-11 19:03:03 +08:00
    liuxu
        1
    liuxu  
       Apr 10, 2020
    前置负载均衡
    heyjei
        2
    heyjei  
       Apr 10, 2020 via Android
    把程序和数据分开就可以了。

    调度程序做成无状态的就可以了,数据存 redis 。这样调度程序可以同时运行好几个,前端加一个负载均衡即可; 后端的数据存储用分布式的 redis,
    silenzio
        3
    silenzio  
    OP
       Apr 10, 2020 via Android
    @heyjei 调度服务器我就是这么做的 调度相关的数据放内存里 用 etcd 选举 需要持久化的用数据库做双主热备
    silenzio
        4
    silenzio  
    OP
       Apr 10, 2020 via Android
    @liuxu 负载均衡是随机分配的吧 web 和后端服务器需要了解到同一个信令才能成功握手
    liuxu
        5
    liuxu  
       Apr 11, 2020
    @silenzio #4 不是,看你算法,可以指向一台机器,另一台备用
    twoconk
        6
    twoconk  
       Apr 11, 2020
    配置信令代理,信令代理支持集群,SIP 的信令代理可以参考 https://it3q.com/article/55,刚整理的。
    silenzio
        7
    silenzio  
    OP
       Apr 11, 2020 via Android
    @liuxu 谢谢 我去查查资料
    silenzio
        8
    silenzio  
    OP
       Apr 11, 2020 via Android
    @twoconk 谢谢 我看看笔记
    wnpllrzodiac
        9
    wnpllrzodiac  
       Apr 11, 2020 via Android
    redis 集群多节点。不过客户端重连还是要自己做额
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