Cilium vs Istio
Side-by-side comparison of Cilium and Istio. Data-driven analysis for CTOs and engineering leaders.
Technical Profile
Cilium
Istio
When to Use
Cilium
- +High-performance needs
- +Network security critical
- +Modern kernels
Avoid Cilium when
- -Non-Kubernetes
- -Older kernels
- -Simple networking
Istio
- +Large microservices
- +Security requirements
- +Traffic control needed
Avoid Istio when
- -Simple architectures
- -Small teams
- -Resource-constrained
Compliance & Security
Cilium
Security Features
Istio
Security Features
Operations
Cilium
Istio
Frequently Asked Questions
How does scalability compare between Cilium and Istio?
Cilium offers very-high scalability, while Istio offers very-high scalability. Consider your expected traffic and data volume when choosing.
Which has the easier learning curve: Cilium or Istio?
Cilium has a steep learning curve, while Istio has a steep learning curve. Factor in your team's existing skills and onboarding timeline.
What are the pricing differences between Cilium and Istio?
Cilium uses a freemium pricing model with a free tier. Istio uses a free pricing model with a free tier. Evaluate total cost of ownership including operational overhead.
Which option is better for compliance: Cilium or Istio?
Cilium supports SOC 2, GDPR, HIPAA, PCI-DSS. Istio supports SOC 2, GDPR, HIPAA, PCI-DSS. Always verify current certifications directly with the vendor.
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