Why do we need Istio?

Related questions

1. What is service mesh in Microservices?
2. Where are routing rules defined?
3. What is envoy proxy?
4. What is Istio galley?
5. What is the use of Istio?
6. What is a docker sidecar?
7. What are the main features of Citadel Istio?
8. What is Istio Gateway?
9. What is Istio ingress?
10. What is Kubernetes envoy?

Tags

1. #improve
2. #applications
3. #secure
4. #istio
5. #environment
6. #application
7. #several
8. #security
9. #services
10. #likely
11. #helping
12. #overall
13. #allows
14. #developer
15. #focus
16. #microservices
17. #which