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Commonly used open-source tools are Kong, Tyk, 3-Scale, Istio.
Service Discovery & Registration
General PAAS shall provide Service Discovery & Registration functions and software to help micro services of application/system to obtain each other's access information
- Service Discovery & Registration functions shall maintain real-time microservice access info, which includes adding address of new microservice, update microservice instance address, deleting information of fault microservice, etc.
- Commonly used open -source software include CoreDNS，etcd，Zookeeper，Netflix，Nacos, among which CoreDNS, etcd, Zookeeper are popular choice.
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