• What’s a Dubbo? What can be done?
  • Can you tell us how Dubbo works?
  • Briefly describe dubbo’s SPI mechanism
  • Why dubbo doesn’t use the JDK’s SPI instead of implementing it itself
  • Describe the dubbo service exposure process
  • This section describes the dubbo service introduction process
  • Describe the dubbo service invocation process
  • Can publishers and subscribers still communicate when the ZK cluster in Dubbo is down
  • How does ZooKeeper actually store Dubbo producer and consumer information
  • What registries are supported by Dubbo
  • What are dubbo’s cluster fault tolerance strategies
  • What are the protocols dubbo supports
  • Briefly describe dubbo’s layering strategy
  • Dubbo vs. SpringCloud