Istio and manually register the services running #IstioCon V0.2 Mesh Expansion (cont.) ● Traffic flow (VM -> Container) 1. Dnsmasq accepts DNS queries 2. Access the built-in Kube DNS (exposed by ILB) intercepted by the sidecar proxy 5. xDS ■ Traffic forwarded to ingress in the mesh ● Traffic flow (Container -> VM) 1. Manual registration istioctl -n onprem register mysql 1.2.3.4 3306 #IstioCon Network #IstioCon VM Support – Multiple Networks #IstioCon Current State of VM Support ● Traffic flow ○ VM connects up to the Istio control plane through a Gateway ○ WorkloadEntry created ■ VM sidecar

Envoy overload issue still exits 800 Knative Services #IstioCon o 1400 total with dev release with flow control fix looks great, ingress_ready p100 < 30s o [Istio 1.9.x] Support for backpressure on XDS configuration churn. This is disabled by default and can be enabled by setting the PILOT_ENABLE_FLOW_CONTROL environment variable in Istiod. o Final solution is envoy delta-XDS push in future Istio release leveraging Istio features in Knative with service mesh enabled • Enable Istio mesh on Knative – Data flow with Istio mesh/mTLS #IstioCon o Init-container added which cost ~5 seconds for Knative application

state ● Accessed from eBPF programs as well as from applications in user space #IstioCon Work Flow of Acceleration ● Attach SOCK_OPS program to global cgroup ● Capture socket in established state

Scanning Replication Service Level Agreement (Authorization) SLA: Tenant Mapping (Project) SLA: Flow Control Log Notary Clair Jobs Authentication API Credentials LDAP Platform Tools Updated

Scanning Replication Service Level Agreement (Authorization) SLA: Tenant Mapping (Project) SLA: Flow Control Log Notary Clair Jobs Authentication API Credentials LDAP Platform Tools Updated

Control Plane Global Control Plane Region Rn Delegate #IstioCon Load balancing & Traffic Flow ● Two tiers of hardware Load-Balancers (LB) ● Application-Tier LB ○ K8s service realized on Application-Tier

“Write once, run anywhere” data analytics portability DATA ENG DATA WH AI/ML OP DB DATA FLOW Unified security & governance with open cloud-native storage formats Open data fabrics, lakehouses

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