Buoyant Enterprise for Linkerd vs Cilium
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.
Capabilities
Feature-by-feature on the axes that matter for service mesh. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Buoyant Enterprise for Linkerd
A CNCF-graduated service mesh that adds automatic encryption, traffic management, and observability to Kubernetes clusters without requiring application code modifications.
Cilium
LeaderCilium 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.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Buoyant Enterprise for Linkerd
Free tier for companies under 50 employees; Premium and Strategic tiers available by quote
- Open sourceFree
- Zero-config encryption and authentication of all meshed traffic
- Cryptographic workload identities, not IP addresses
- Secure-by-default Rust data plane
- Zero-trust granular authorization policies
- Latency-based load balancing
- +15 more
- PremiumContact sales
- Stable release artifacts
- Automated installs and upgrades
- SLAs on CVE remediation
- Mutual TLS and basic service mesh featureset
- Multi-cluster communication
- +9 more
- StrategicContact sales
- Everything in Premium, plus:
- Hotpatch releases and SBOMs
- High Availability Zone-aware Load Balancing (HAZL)
- FIPS 140-3 and 140-2 validated cryptography (optional)
- Enterprise support with 24x7 SLAs
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Prometheus
Buoyant Enterprise for Linkerd
- Datadog
- Microsoft Teams
- PagerDuty
- OpenTelemetry
Cilium
Leader- SPIRE
- Envoy
Buoyant Enterprise for Linkerd or Cilium: 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.