Technology Radar
Published : Nov 05, 2025
NOT ON THE CURRENT EDITION
This blip is not on the current edition of the Radar. If it was on one of the last few editions, it is likely that it is still relevant. If the blip is older, it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar.
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Nov 2025
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Agent2Agent (A2A) 是一个协议,定义了复杂、多智能体工作流中智能体之间通信和交互的标准。它使用 Agent Cards 描述智能体间通信的关键元素,包括技能发现和传输及安全方案的规范。A2A 通过专注于智能体间通信,而不暴露内部细节(如智能体状态、记忆或内部),这成为了对 模型上下文协议 (MCP)的一个补充。 该协议提倡最佳实践,例如对长时间运行的任务采用异步优先方法,对增量更新采用流式响应,以及使用 HTTPS、身份验证和授权进行安全传输。为了方便快速采用,A2A 提供了 Python、JavaScript、Java 和 C# 的 SDK。尽管 A2A 相对较新,但它使团队能够构建特定领域的代理,这些代理可以协作形成复杂的工作流,使其成为此类场景的理想选择。