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Istio is the most widely adopted service mesh, providing traffic management, security (mTLS), and observability for microservices.

What Radar Shows

Topology: Full Istio traffic path - IstioGateway → VirtualService → Service, and DestinationRule → Service configuration edges. See how traffic flows through gateway listeners, virtual service routing rules, and into backend services. VirtualService Detail View:
  • HTTP/TCP/TLS routing rules with match conditions
  • Destinations with weight distribution bars
  • Fault injection and traffic mirroring detection (AlertBanner warnings)
  • Retry policies, timeouts, and CORS settings
  • Gateway references with clickable links
DestinationRule Detail View:
  • Target service host with clickable link
  • Traffic policy: connection pool (TCP/HTTP limits), load balancer algorithm, outlier detection (ejection settings), TLS mode
  • Subset definitions with labels and per-subset traffic policy overrides
Gateway Detail View (networking.istio.io):
  • Server configurations with port, protocol, and hosts
  • TLS settings per server (mode, credential references)
  • Workload selector labels
ServiceEntry Detail View:
  • Hosts, location (MESH_EXTERNAL/MESH_INTERNAL), resolution strategy
  • Ports with protocol badges
  • Endpoint addresses with port mappings and labels
PeerAuthentication Detail View:
  • mTLS mode with color-coded badges (STRICT/PERMISSIVE/DISABLE)
  • Scope indicator (workload-scoped vs namespace-wide)
  • Port-level mTLS overrides
AuthorizationPolicy Detail View:
  • Action badge (ALLOW/DENY/CUSTOM/AUDIT) with rule breakdown
  • Source principals, namespaces, IP blocks
  • Operation matching (hosts, ports, methods, paths)
  • Deny-all and allow-nothing detection (AlertBanner)
Resource Browser: Smart columns show status badges, hosts, gateways, route counts, mTLS modes, actions, and load balancer algorithms at a glance.

Supported CRDs

CRDGroupTopologyDetail ViewAI Summary
VirtualServicenetworking.istio.io/v1YesYes-
DestinationRulenetworking.istio.io/v1YesYes-
Gatewaynetworking.istio.io/v1YesYes-
ServiceEntrynetworking.istio.io/v1-Yes-
PeerAuthenticationsecurity.istio.io/v1-Yes-
AuthorizationPolicysecurity.istio.io/v1-Yes-