Edge Stack vs. Emissary-Ingress
Widely Adopted Open Source API Gateway and K8s Ingress
The open source Emissary-ingress and commercially supported Ambassador Edge Stack are Kubernetes-native API Gateways that deliver scalability, security, and simplicity for some of the world's largest Kubernetes installations
Ambassador Edge Stack
A widely-adopted and production-ready enterprise API gateway and K8s Ingress solution. Built on the CNCF Emissary-Ingress project, with extended security and rate limiting features. Includes mission-critical support with an SLA for your team.
Emissary-Ingress
An open source Kubernetes-native API gateway based on Envoy Proxy. Built to enable both global configuration for ops and a decentralized workflow for developers. Created by Ambassador Labs, and now a CNCF Incubation project.
Edge Stack compared to the open source Emissary-Ingress
| Feature | Ambassador Edge Stack | Emissary-Ingress OSS |
|---|---|---|
| Support | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| Developer Portal with Swagger / OpenAPI support | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| API Keys | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| Automated Config Analysis | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| Service Catalog | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| Filters and filter management (plug-ins) | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| Authentication: OAuth, JWT, OpenID Connect integration* | Ambassador Edge Stack available | Emissary-Ingress OSS partial |
| Web Application Firewalls | Ambassador Edge Stack available | Emissary-Ingress OSS unavailable |
| Rate Limiting* | Ambassador Edge Stack available | Emissary-Ingress OSS partial |
| Service mesh integration | Ambassador Edge Stack available | Emissary-Ingress OSS available |
| Observability: distributed tracing, real-time L7 metrics | Ambassador Edge Stack available | Emissary-Ingress OSS available |
| Circuit breakers, automatic retries, timeouts | Ambassador Edge Stack available | Emissary-Ingress OSS available |
| L4/L7 load balancing and routing for HTTP/1, HTTP/1.1, HTTP/2, WebSockets, TCP, gRPC | Ambassador Edge Stack available | Emissary-Ingress OSS available |
Rate Limiting*. Emissary-Ingress can rate limit via API calls to an external rate limit service you provide. Edge Stack has built-in, advanced rate limit capabilities.
OAuth, JWT, OpenID Connect integration*. Emissary-Ingress can do basic authentication via an external auth service you provide. Edge Stack offers comprehensive, built-in authentication features.
Emissary-Ingress
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