Comparison

Cilium vs Red Hat OpenShift Service Mesh

On the evidence we track, Cilium leads this comparison with a composite score of 56/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Cilium56
Red Hat OpenShift Service Mesh50
Score
vioscaleAI score
Cilium56 / 100medium · 54%
Red Hat OpenShift Service Mesh50 / 100low · 26%
Pricing
Free tier
Cilium✓
Red Hat OpenShift Service Mesh–
Model
Red Hat OpenShift Service Meshcommercial
Price level
Ciliumfree
Red Hat OpenShift Service Mesh–
Transparent
Cilium✓
Red Hat OpenShift Service Mesh–
Integrations
Count
Cilium3
Red Hat OpenShift Service Mesh8
Security
Disclosure policy
Cilium–
Red Hat OpenShift Service Mesh✓
Scorecard
Cilium5.8
Red Hat OpenShift Service Mesh–
Reliability
Status page
Cilium–
Red Hat OpenShift Service Mesh✓
Adoption
Dependent repos
Cilium103
Red Hat OpenShift Service Mesh–
Github stars
Cilium25,603
Red Hat OpenShift Service Mesh–
Activity
Commits last 30d
Cilium100
Red Hat OpenShift Service Mesh–
Release
Cadence days
Cilium5
Red Hat OpenShift Service Mesh–
History
Cilium20 items
Red Hat OpenShift Service Mesh–
License
Spdx
Red Hat OpenShift Service Mesh–
Language
Primary
CiliumGo
Red Hat OpenShift Service Mesh–
Content
Faq
Cilium6 items
Red Hat OpenShift Service Mesh3 items

Capabilities

Feature-by-feature on the axes that matter for service mesh. “-” means undocumented, not absent.

Architecture
Data plane
CiliumSidecarless (eBPF)
Red Hat OpenShift Service MeshSidecar
Proxy
CiliumEnvoy
Red Hat OpenShift Service MeshEnvoy
Security
Automatic mutual TLS
Cilium-
Red Hat OpenShift Service Mesh✓
SPIFFE / SPIRE identity
Cilium✓
Red Hat OpenShift Service Mesh-
Traffic
Traffic splitting / canary
Cilium✓
Red Hat OpenShift Service Mesh✓
Fault injection / resilience
Cilium-
Red Hat OpenShift Service Mesh-
Scale
Multi-cluster federation
Cilium✓
Red Hat OpenShift Service Mesh✓
Portability
VM support (beyond Kubernetes)
Cilium-
Red Hat OpenShift Service Mesh-
Observability
Built-in observability
Cilium✓
Red Hat OpenShift Service Mesh✓
Standards
Gateway API / GAMMA support
Cilium✓
Red Hat OpenShift Service Mesh-
Extensibility
WASM extensibility
Cilium-
Red Hat OpenShift Service Mesh-
Compliance
FIPS mode
Cilium-
Red Hat OpenShift Service Mesh-
Ecosystem
CNCF maturity
CiliumGraduated
Red Hat OpenShift Service Mesh-
Ops
Commercial support / enterprise edition
Cilium-
Red Hat OpenShift Service Mesh✓

What each one is

The product in its own terms, so the numbers below have context.

Cilium

Leader

Cilium is an open-source networking layer for Kubernetes that uses eBPF to provide container-to-container communication, load balancing, network policies, multi-cluster connectivity, and deep observability across single or multiple clusters.

Independently observed

Red Hat OpenShift Service Mesh

Red Hat OpenShift Service Mesh is a management layer built on Istio that enables secure communication between microservices and provides visibility into their interactions. It includes built-in traffic management, mutual TLS encryption for zero-trust security, and support for running a single mesh across multiple Kubernetes clusters.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Cilium

Leader
Open sourceFree tier
as of verify ↗

Red Hat OpenShift Service Mesh

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Linux
Cilium✓
Red Hat OpenShift Service Mesh✗
CLI
Cilium✓
Red Hat OpenShift Service Mesh✓
Deployment
Cloud / SaaS
Cilium✓
Red Hat OpenShift Service Mesh✓
Self-hosted
Cilium✓
Red Hat OpenShift Service Mesh✓
On-premise
Cilium✗
Red Hat OpenShift Service Mesh✓
Hybrid
Cilium✓
Red Hat OpenShift Service Mesh✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Envoy

Cilium

Leader
3 total - 2 not shared
  • SPIRE
  • Prometheus
Independently observed

Red Hat OpenShift Service Mesh

8 total - 7 not shared
  • Istio
  • Kiali
  • Red Hat Connectivity Link
  • Red Hat OpenShift Observability
  • cert-manager Operator for Red Hat OpenShift
  • Red Hat OpenShift Gitops
  • Red Hat OpenShift Virtualization
Independently observed
Still deciding?

Cilium or Red Hat OpenShift Service Mesh: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.