Dev Tools · 1h ago
Cross-Cloud A2A: Microsoft Foundry as Master, Google ADK as Client
A developer deploys a cross-cloud agent architecture where Microsoft Foundry hosts the master agent and owns the exchange-rate tool, while Google ADK acts as a thin client on Cloud Run. The setup uses A2A v1.0 over JSON-RPC with Microsoft Entra authentication, and the author measures the hop between us-central1 and eastus2. Four authentication and discovery issues surfaced that a green test suite missed.
Meridian48 take
This is a practical test of cross-cloud agent orchestration, showing that protocol works but auth and discovery are the real friction points.
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Microsoft Foundry as the Master Cloud, Google ADK as the Client: Cross-Cloud A2A v1.0 →
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