Several publish/subscribe (pub/sub) and dataoriented networking proposals have been presented to overcome limitations of the current message-and host-centric Internet. However, security issues of these solutions have not been addressed comprehensively. In this paper we examine roles of actors comprising an inter-domain pub/sub network, together with security requirements and minimal required trust associations arising from this setting. We then introduce and analyze a security design for a clean-slate pub/sub network architecture that secures both the control and data planes. The solution addresses availability and data integrity while remaining scalable and usable.
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