Survey on decentralized security-enhanced technologies for RPKI
The resource public key infrastructure(RPKI)deploys a centralized and hierarchical infrastructure for the au-thorization of IP addresses.It not only enhances the security of the Internet border gateway protocol system,but also in-troduces centralization into the routing system.According to the functions of the certificate authorities,the authorization center,operation center,and publication center in the RPKI were proposed,and a comprehensive survey on decentralized security-enhanced technologies for the RPKI were presented based on these three centers.Firstly,RPKI centralization risks were refined from the perspective of authorization,operation and publication.Secondly,the technical ideas and so-lutions of decentralized security-enhanced technologies were classified into these three perspectives.Thirdly,technolo-gies were compared in terms of security,scalability,and incremental deployment.Finally,the existing problems in cur-rent technologies were summarized and the future research directions were prospected.
border gateway protocolresource public key infrastructuresecure inter-domain routingblockchaindecen-tralization