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Java-Interview-Advanced/docs/distributed-system/registration-center-optimize.md
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分布式注册中心

eureka：peer-to-peer，每台机器都是高并发请求，有瓶颈

zookeeper：服务上下线，全量通知其他服务，网络带宽被打满，有瓶颈

分布式服务注册中心，分片存储服务注册表，横向扩容，每台机器均摊高并发请求，各个服务主动拉取，避免反向通知网卡被打满