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Istio vs Dapr: What are the differences?
Istio: Open platform to connect, manage, and secure microservices, by Google, IBM, and Lyft. Istio is an open platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio's control plane provides an abstraction layer over the underlying cluster management platform, such as Kubernetes, Mesos, etc; Dapr: An open-source project to make it easier to build microservices. It is a portable, event-driven runtime that makes it easy for developers to build resilient, stateless and stateful microservices that run on the cloud and edge and embraces the diversity of languages and developer frameworks.
Istio and Dapr belong to "Microservices Tools" category of the tech stack.
Istio and Dapr are both open source tools. It seems that Istio with 20.1K GitHub stars and 3.54K forks on GitHub has more adoption than Dapr with 3.44K GitHub stars and 137 GitHub forks.
Istio based on powerful Envoy whereas Kong based on Nginx. Istio is K8S native as well it's actively developed when k8s was successfully accepted with production-ready apps whereas Kong slowly migrated to start leveraging K8s. Istio has an inbuilt turn-keyIstio based on powerful Envoy whereas Kong based on Nginx. Istio is K8S native as well it's actively developed when k8s was successfully accepted with production-ready apps whereas Kong slowly migrated to start leveraging K8s. Istio has an inbuilt turn key solution with Rancher whereas Kong completely lacks here. Traffic distribution in Istio can be done via canary, a/b, shadowing, HTTP headers, ACL, whitelist whereas in Kong it's limited to canary, ACL, blue-green, proxy caching. Istio has amazing community support which is visible via Github stars or releases when comparing both.
Pros of Dapr
- Manage inter-service state3
- MTLS "for free"2
- App dashboard for rapid log overview2
- Zipkin app tracing "for free"2
Pros of Istio
- Zero code for logging and monitoring14
- Service Mesh9
- Great flexibility8
- Powerful authorization mechanisms5
- Ingress controller5
- Full Security4
- Easy integration with Kubernetes and Docker4
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Cons of Dapr
Cons of Istio