为智能体网络设计下一代可信架构，解决现有互联网无法支持的实时发现与身份管理难题。
Upgrade or Switch: Do We Need a Next-Gen Trusted Architecture for the Internet of AI Agents?
- 提出升级、切换、混合三种架构方案，应对智能体自治需求
- 现有DNS需24-48小时传播，而智能体要求毫秒级发现
- 适合研究者与基础设施开发者，关注AI代理系统安全与扩展性
新兴的智能体互联网挑战了为人类交互设计的传统网络基础设施。与传统网页资源不同，自主智能体可主动发起动作、维持持久状态、生成子代理并直接与同伴协商，这要求毫秒级发现、即时凭证撤销及加密行为证明，远超当前DNS/PKI能力。本文分析应升级现有基础设施还是构建专用索引架构。我们识别出关键瓶颈：DNS传播延迟达24-48小时（需毫秒级），证书撤销难以扩展至万亿级实体，IPv4/IPv6寻址不适应智能体规模路由。评估三种路径：(1) 升级路径，(2) 切换选项，(3) 混合索引/注册机制。类比拨号到宽带转型，发现智能体需求是质变而非量变。尽管升级具备兼容性和快速部署优势，但全新方案性能更优，采纳周期更长。分析表明，混合方案将主导发展，关键智能体采用集中式索引，特定场景使用联邦网络。
原文摘要 · Abstract (English)
The emerging Internet of AI Agents challenges existing web infrastructure designed for human-scale, reactive interactions. Unlike traditional web resources, autonomous AI agents initiate actions, maintain persistent state, spawn sub-agents, and negotiate directly with peers: demanding millisecond-level discovery, instant credential revocation, and cryptographic behavioral proofs that exceed current DNS/PKI capabilities. This paper analyzes whether to upgrade existing infrastructure or implement purpose-built index architectures for autonomous agents. We identify critical failure points: DNS propagation (24-48 hours vs. required milliseconds), certificate revocation unable to scale to trillions of entities, and IPv4/IPv6 addressing inadequate for agent-scale routing. We evaluate three approaches: (1) Upgrade paths, (2) Switch options, (3) Hybrid index/registries. Drawing parallels to dialup-to-broadband transitions, we find that agent requirements constitute qualitative, and not incremental, changes. While upgrades offer compatibility and faster deployment, clean-slate solutions provide better performance but require longer for adoption. Our analysis suggests hybrid approaches will emerge, with centralized indexes for critical agents and federated meshes for specialized use cases.
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