# Azure Service Mesh vs Google Traffic Director

| Attribute | Azure Service Mesh | Google Traffic Director |
|---|---|---|
| **Vioscale score** | 46.9 (4% (low)) | 51.8 (49% (low)) |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true}` |
| description.long | Istio-based service mesh add-on for Azure Kubernetes Service (AKS) that provides observability, traffic management, and security capabilities for distributed microservices architectures. | Cloud Service Mesh (formerly Anthos Service Mesh and Traffic Director) provides service mesh monitoring and management capabilities for Kubernetes and on-premises environments. |
| features.capabilities | `{"proxy":"envoy","data_plane":"sidecar","vm_support":true,"cncf_maturity":"graduated"}` | `{"proxy":"envoy","vm_support":true,"multicluster":true,"traffic_splitting":true,"commercial_support":true,"built_in_observability":true}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"GKE"},{"name":"Compute Engine"},{"name":"Cloud Load Balancing"},{"name":"Istio"},{"name":"Cloud Storage"}]` |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://learn.microsoft.com/en-us/azure/aks/istio-about","retrievedAt":"2026-08-14T08:36:53.281Z"}` | `{"type":"usage","plans":[{"free":false,"name":"Pay-per-client","summary":"Approximately $0.50 per client per month","features":["Telemetry dashboards with Cloud Service Mesh standard metrics","Managed control plane","Mesh CA (managed certificate authority) with no per-certificate charge"],"commitment":"monthly","components":[{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.0006945,"currency":"USD"}],"description":"Billed per Cloud Service Mesh client instance","contactSales":false}],"summary":"Approximately $0.50 per client per month. Custom quotes available.","currency":"USD","freeTier":false,"sourceUrl":"https://cloud.google.com/traffic-director","retrievedAt":"2026-08-03T13:00:05.469Z","startingPrice":{"amount":0.0006945,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | - | no |
| reliability.status_page | yes | yes |
| security.gdpr | - | yes |

## Capabilities (Service Mesh)

| Capability | Azure Service Mesh | Google Traffic Director |
|---|:--:|:--:|
| **Architecture** |  |  |
| Data plane | Sidecar | - |
| Proxy | Envoy | 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 | - |
| **Ops** |  |  |
| Commercial support / enterprise edition | - | ✓ |

*Source: Vioscale. Generated 2026-09-01T17:41:45.771Z. "-" = undocumented, not absent.*