Agent Session Service

The differences between TSB and Tetrate Istio Subscription Plus (TIS+)

Tetrate Istio Subscription Plus (TIS+) utilizes many of the same components as the Tetrate Service Bridge(TSB) product but has the several distinctions.

Agent Session Service aggregates all sorts of communication that need to happen between the Workload Onboarding Agent and a Workload Onboarding Plane instance into a single stream.

Is based on, but not limited to, Envoy ADS API.

AgentSessionService

Agent Session Service aggregates all sorts of communication that need to happen between the Workload Onboarding Agent and a Workload Onboarding Plane instance into a single stream.

Is based on, but not limited to, Envoy ADS API.

StreamAgentSession

SessionRequest

SessionRequest specifies request messages sent by the Workload Onboarding Agent to the Workload Onboarding Plane as part of a single session.

Field	Description	Validation Rule
discoveryRequest	envoy.service.discovery.v3.DiscoveryRequest oneof _kind xDS-style request, e.g. request for Sidecar Configuration.	–

SessionResponse

SessionResponse specifies response messages sent by the Workload Onboarding Plane back to the Workload Onboarding Agent as part of a single session.

Field	Description	Validation Rule
discoveryResponse	envoy.service.discovery.v3.DiscoveryResponse oneof _kind xDS-style response, e.g. response with full Sidecar Configuration or just an update.	–