We present a low-overhead mechanism for self-sovereign identification and communication of IoT agents in constrained networks. Our main contribution is to enable native use of Decentralized Identifiers (DIDs) and DID-based secure communication on constrained networks, whereas previous works either did not consider the issue or relied on proxy-based architectures. We propose a new extension to DIDs along with a more concise serialization method for DID metadata. Moreover, in order to reduce the security overhead over transmitted messages, we adopted a binary message envelope. We implemented these proposals within the context of Swarm Computing, an approach for decentralized IoT. Results showed that our proposal reduces the size of identity metadata in almost four times and security overhead up to five times. We observed that both techniques are required to enable operation on constrained networks.

翻译：我们提出了一个低管机制,用于在受限制的网络中进行IOT代理商的自我主权识别和通信,我们的主要贡献是,在受限制的网络上允许本地使用分散化识别器(DIDs)和基于DED的保密通信,而以前的工作要么没有考虑这一问题,要么依赖基于代理的架构。我们建议对DOD数据进行新的扩展,同时采用更加简明的序列化方法。此外,为了减少对发送的信息的安全管理,我们采用了一个二元信息信封。我们在Swarm Economic背景下实施了这些建议,这是分散化IOT的方法。结果显示,我们的提案几乎将身份元数据缩小了4次,安全管理费减少到5次。我们发现,为了能够在受限制的网络上运作,需要两种技术。