What are the main features of Citadel Istio?

Related questions

1. What is Istio sidecar?
2. What is Istio Gateway?
3. Why do we need Istio?
4. Is envoy a service mesh?
5. Where are routing rules defined?
6. What is envoy proxy?
7. What does Microservices mean?
8. What is Istio?
9. What is service mesh in Microservices?
10. What is Istio galley?

Tags

1. #application
2. #policy
3. #default
4. #identity
5. #provide
6. #changes
7. #authorization
8. #authentication
9. #strong
10. #features
11. #tools
12. #services
13. #powerful
14. #goals
15. #needed
16. #transparent
17. #security
18. #protect
19. #infrastructure
20. #audit
21. #encryption
22. #istio