Agent-to-Agent (A2A) Protocol — Cross-Vendor Agent Orchestration

As of 2026-06-08

A2A is the open cross-vendor protocol (Google + 50+ partners including SAP, Linux Foundation governed) that enables SAP Joule Agents to delegate tasks to Salesforce, ServiceNow, and other peer agents via standardised Task primitives — the wire beneath SAP AI Agent Hub's governance plane.