# Buoyant Enterprise for Linkerd vs Kuma

**Leader by Vioscale score:** Kuma

| Attribute | Buoyant Enterprise for Linkerd | Kuma |
|---|---|---|
| **Vioscale score** | 38.8 (42% (low)) | 53.3 (36% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 8 |
| adoption.github_stars | - | 3,995 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | An enterprise service mesh that automatically manages and secures communication between containerized workloads in Kubernetes clusters through zero-configuration mutual TLS, traffic optimization, and observability—without code changes or complex setup. | Open-source control plane for service mesh delivering security, observability, routing and more. Built on Envoy with support for Kubernetes, VMs, and multi-cluster deployments. |
| features.capabilities | `{"proxy":"linkerd2","fips_mode":true,"data_plane":"sidecar","vm_support":true,"multicluster":true,"cncf_maturity":"graduated","automatic_mtls":true,"fault_injection":true,"traffic_splitting":true,"commercial_support":true,"gateway_api_support":true,"built_in_observability":true}` | `{"proxy":"envoy","data_plane":"sidecar","vm_support":true,"multicluster":true,"cncf_maturity":"sandbox","automatic_mtls":true,"fault_injection":true,"traffic_splitting":true,"commercial_support":true,"gateway_api_support":true,"built_in_observability":true}` |
| integrations.count | 3 | 4 |
| integrations.list | `[{"name":"Datadog"},{"name":"Microsoft Teams"},{"name":"PagerDuty"},{"name":"Prometheus"},{"name":"OpenTelemetry"}]` | `[{"name":"Prometheus"},{"name":"Grafana"},{"name":"Datadog"},{"name":"OpenTelemetry"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"quote","plans":[{"free":true,"name":"Open source","features":["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","Timeouts and retries","Circuit breaking","gRPC load balancing","Blue-green / canary deploys","L7-aware request routing","Transparent multi-cluster communication","Federated services","Uniform L7 metrics including success rates and latency distributions","Easy export to any Prometheus-compatible metrics store","Distributed tracing (OpenTelemetry)","Egress metrics","Gateway API support","Mutual TLS (mTLS) with TLS 1.3","IPv6","Buoyant Linkerd Public Forums"],"contactSales":false},{"free":false,"name":"Premium","features":["Stable release artifacts","Automated installs and upgrades","SLAs on CVE remediation","Mutual TLS and basic service mesh featureset","Multi-cluster communication","L7 network security policies","Automatic cross-cluster failover","Support for Linux VM workloads","Security policy generation from live traffic","VM application management and automation","On cluster single pane of glass dashboard","Software Bills-of-Materials (SBOMs) for all components","Private support ticketing","Architecture review and best practice guidance"],"description":"For companies standardizing on security, high availability, and multi-cluster communication.","contactSales":true},{"free":false,"name":"Strategic","features":["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","30-day white glove onboarding"],"description":"For enterprises with special security, compliance, and additional operational requirements.","contactSales":true}],"addOns":[{"name":"Buoyant Cloud Management"},{"name":"Continuous health checking"},{"name":"Datadog/Teams/PagerDuty alerts and metrics integration"},{"name":"High Availability Zone-aware Load Balancing (HAZL)"}],"summary":"Free tier for companies under 50 employees; Premium and Strategic tiers available by quote","currency":"USD","freeTier":true,"sourceUrl":"https://www.buoyant.io/blog/pod-based-pricing-for-buoyant-enterprise-for-linkerd","retrievedAt":"2026-08-16T21:36:01.639Z"}` | `{"type":"open_source","summary":"Open-source with enterprise offerings available (demo on request)","freeTier":true,"sourceUrl":"https://kuma.io","retrievedAt":"2026-08-13T09:40:11.791Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | quote | commercial |
| pricing.price_level | low | free |
| pricing.transparent | no | no |
| release.history | - | `[{"url":"https://github.com/kumahq/kuma/releases/tag/v2.14.3","date":"2026-08-10T13:27:37Z","type":"stable","version":"v2.14.3"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.13.10","date":"2026-08-01T16:57:53Z","type":"stable","version":"v2.13.10"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.12.14","date":"2026-08-01T16:57:54Z","type":"stable","version":"v2.12.14"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.11.18","date":"2026-08-01T16:57:55Z","type":"stable","version":"v2.11.18"},{"url":"https://github.com/kumahq/kuma/releases/tag/2.9.19","date":"2026-08-01T16:57:55Z","type":"stable","version":"2.9.19"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.7.29","date":"2026-08-01T16:57:56Z","type":"stable","version":"v2.7.29"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.14.2","date":"2026-08-01T16:57:53Z","type":"stable","version":"v2.14.2"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.14.1","date":"2026-07-15T13:30:10Z","type":"stable","version":"v2.14.1"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.13.9","date":"2026-07-11T07:53:54Z","type":"stable","version":"v2.13.9"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.12.13","date":"2026-07-10T17:16:14Z","type":"stable","version":"v2.12.13"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.11.17","date":"2026-07-10T18:06:27Z","type":"stable","version":"v2.11.17"},{"url":"https://github.com/kumahq/kuma/releases/tag/2.9.18","date":"2026-07-10T18:24:39Z","type":"stable","version":"2.9.18"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.7.28","date":"2026-07-10T18:11:47Z","type":"stable","version":"v2.7.28"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.11.16","date":"2026-06-23T12:37:34Z","type":"stable","version":"v2.11.16"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.14.0","date":"2026-06-12T18:26:57Z","type":"stable","version":"v2.14.0"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.13.8","date":"2026-06-05T15:42:58Z","type":"stable","version":"v2.13.8"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.12.12","date":"2026-06-05T15:43:31Z","type":"stable","version":"v2.12.12"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.11.15","date":"2026-06-05T15:43:40Z","type":"stable","version":"v2.11.15"},{"url":"https://github.com/kumahq/kuma/releases/tag/2.9.17","date":"2026-06-05T15:45:37Z","type":"stable","version":"2.9.17"},{"url":"https://github.com/kumahq/kuma/releases/tag/v2.7.27","date":"2026-06-05T16:24:18Z","type":"stable","version":"v2.7.27"}]` |
| security.disclosure_policy | - | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.scorecard | - | 8.3 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fkumahq%2Fkuma%2Fpkg%2Ftransparentproxy%2Fistio&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Service Mesh)

| Capability | Buoyant Enterprise for Linkerd | Kuma |
|---|:--:|:--:|
| **Architecture** |  |  |
| Data plane | Sidecar | Sidecar |
| Proxy | linkerd2-proxy | Envoy |
| **Security** |  |  |
| Automatic mutual TLS | ✓ | ✓ |
| SPIFFE / SPIRE identity | - | - |
| **Traffic** |  |  |
| Traffic splitting / canary | ✓ | ✓ |
| Fault injection / resilience | ✓ | ✓ |
| **Scale** |  |  |
| Multi-cluster federation | ✓ | ✓ |
| **Portability** |  |  |
| VM support (beyond Kubernetes) | ✓ | ✓ |
| **Observability** |  |  |
| Built-in observability | ✓ | ✓ |
| **Standards** |  |  |
| Gateway API / GAMMA support | ✓ | ✓ |
| **Extensibility** |  |  |
| WASM extensibility | - | - |
| **Compliance** |  |  |
| FIPS mode | ✓ | - |
| **Ecosystem** |  |  |
| CNCF maturity | Graduated | Sandbox |
| **Ops** |  |  |
| Commercial support / enterprise edition | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T17:14:43.607Z. "-" = undocumented, not absent.*