OpenFlow: enabling innovation in campus networks
ACM SIGCOMM Computer Communication Review
Can the production network be the testbed?
OSDI'10 Proceedings of the 9th USENIX conference on Operating systems design and implementation
VeriFlow: verifying network-wide invariants in real time
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Real time network policy checking using header space analysis
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
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The search for improved communication paradigms has fostered the emergence of publicly available testbeds supporting Software Defined Networking all around the world. However, a common shortcoming among these testbeds is the lack of real user-driven Internet traffic for experimentation. While having real user traffic inside a testbed is an undisputable advantage, the users' right for privacy and wish for availability of the network often make it impossible to simply make a testbed part of the communication path. In this paper, we discuss how a testbed operator can give privacy and availability guarantees to users who are willing to share part of their traffic with experimenters, thus making it less risky for users to opt-in to experiments. Moreover, we share the insights gained from implementing a Privacy and Availability Layer demonstrator.