AWS Releases Tutorial on A2A-Based Cross-Organization Multi-Agent Architecture
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AWS has published a reference architecture for cross-organization multi-agent systems based on the A2A protocol on the AWS Machine Learning Blog. The tutorial demonstrates how two agents belonging to different AWS accounts can achieve interoperability: one is an enterprise orchestrator built with LangChain, and the other is a SaaS compliance agent built with Strands Agents. The two communicate via the A2A protocol and use bidirectional OAuth based on Amazon Cognito user pools for identity authentication. The architecture is designed so that neither party shares secrets nor depends on the other's framework, enabling a composable and interoperable cross-organization, cross-framework multi-agent system. This content is a first-hand tutorial published on AWS's official blog, with no follow-up coverage yet.
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- AWS Machine Learning BlogBuild composable, interoperable multi-agent systems with A2A on AWS
AWS published a reference architecture on AWS Machine Learning Blog for cross-organization multi-agent systems based on the A2A protocol: a LangChain enterprise orchestrator and a Strands Agents-built SaaS compliance agent live in two separate AWS accounts, communicating via A2A and two-way OAuth (Amazon Cognito user pools) without sharing secrets or depending on each other's frameworks.
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