Zookeeper registry: Zookeeper based distributed coordination system implemented using Zookeeper's watch mechanism to achieve data changes (the official recommended)
Multicast registration center: network-based implementation of multicast transmission, does not require any central node, as long as the broadcast address, will be able to carry out service registration and discovery
Redis registry: Redis-based implementation using key / Map data storage structure, primary key storage service names and types, Map the key storage service URL, Map the value stored in the service expiration date, notice Redis data changes based publish / subscribe model
Simple registry: an ordinary Dubbo service, you can rely on third parties to reduce the overall consistency of communication, do not support cluster
[Java interview questions and answers To arrange recommend
