Encrypted Packet Forwarding in Virtualized Networks

Authors:
Sriram Natarajan;Tilman Wolf
Affiliations:
-;-
Venue:
Proceedings of the 2011 ACM/IEEE Seventh Symposium on Architectures for Networking and Communications Systems
Year:
2011

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Abstract

Virtualized networks provide a shared infrastructure platform for hosting multiple independent networks with different protocol stacks. The infrastructure and the virtual networks are operated by different entities who may not trust each other. In our work, we address one of the arising security issues by providing data confidentiality for forwarding network traffic. We propose an encrypted representation of IP addresses and forwarding data structures that hides the operations of the virtual network from the infrastructure provider. We describe the cryptographic computations and data structures that forwards network traffic and discuss their space requirements.