Agent2Agent (A2A) Protocol: How Multi Agent Systems work

About this course

"This course contains the use of artificial intelligence."

Learn how independent AI agents can communicate and collaborate through the Agent2Agent (A2A) protocol. You will learn how to distinguish A2A from MCP and conventional APIs; understand Agent Cards and skills; trace messages, tasks, and artifacts; inspect a client/server exchange; and reason about asynchronous work, timeouts, authorization, and untrusted remote output. Instead of relying only on lectures, the course uses architecture role-plays, debugging scenarios, knowledge checks, downloadable assignments, and a final design challenge. You will practice explaining trade-offs to a skeptical CTO, auditing an Agent Card, investigating a new video uploader project, and designing a multi-agent incident-triage architecture from scratch. By the end, you should be able to explain what an A2A protocol is, when is an A2A protocol appropriate, what are the communication or interaction mechanisms of A2A, security protocols, identify common integration failure modes, and produce a documented design with security controls and test evidence. Who this course is for:- Developers and cloud engineers exploring agent interoperability. - AI engineers who need to understand agent-to-agent integration. - Technical leads and solution architects evaluating multi-agent patterns. Helpful prerequisites: Basic understanding of HTTP APIs, JSON, and client/server applications, and basic system design knowledge. This is an educational course, not a certification, security audit, or guarantee of production readiness.

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