Abstract
The Internet including enterprise-level networks, data center networks, and wide area networks can be divided into many autonomous domains. Autonomous domains can be managed by different administrative units or organizations. Therefore, when calculating routes between domains, autonomous domains that do not trust each other will have security and privacy considerations. In order to solve the problem of cross-domain privacy protection and optimize routing strategies, we propose an inter-domain routing method based on secure multi-party computation under the SDN architecture. Our method effectively protects the private information in each domain and accelerates the convergence of routing. We elaborated on the preliminary exploration of this idea, and the evaluation showed that our solution only brings millisecond latency.
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