References

1. https://kubernetes.io/docs/home/ - Kubernetes Object and cluster management
2. https://docs.projectcalico.org/about/about-calico - Calico overview and working
3. https://octetz.com/docs/2020/2020-10-01-calico-routing-modes/ - To understand calico routing
4. https://docs.projectcalico.org/reference/resources/networkpolicy#selector - Calico network policy
5. https://istio.io/latest/docs/concepts/ - ISTIO overview and concepts