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How AWS, Azure, and GCP Agents Actually Work Together
This article discusses a series of six benchmarks testing the interoperability of AWS, Azure, and GCP in Application-to-Application (A2A) communication. With consistent testing conditions, the findings indicate that while the orchestration protocol functioned well, challenges emerged primarily from identity management and packaging issues, not protocol failures. Key insights highlight the importance of careful planning in cross-cloud deployments and the unexpected complexity related to cloud-specific implementations.
MonitorConfidence: HighShort term horizon
Published 1 Aug 2026, 08:50 UTC15 min read
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Summary
TL;DR
- Six cross-cloud benchmarks conducted among AWS, Azure, and GCP.
- A2A protocol showed interoperability across deployments.
- Major challenges identified in managing identities and packaging.
- Cold starts significantly affect latency in cloud requests.
- Independent verification of responses highlighted reliability issues.
Interesting facts
- One cloud's tool response can be an order of magnitude slower than another's.
- The tests revealed that protocol management issues stemmed more from identity than orchestration failures.