Virtual routers as a service: the RouteFlow approach leveraging software-defined networks

Authors:
Marcelo R. Nascimento;Christian E. Rothenberg;Marcos R. Salvador;Carlos N. A. Corrêa;Sidney C. de Lucena;Maurício F. Magalhães
Affiliations:
Telecomm. Research and Development Center (CPqD), Campinas - SP - Brazil;Telecomm. Research and Development Center (CPqD), Campinas - SP - Brazil;Telecomm. Research and Development Center (CPqD), Campinas - SP - Brazil;Federal University of the Rio, de Janeiro State (UniRio), Rio de Janeiro - RJ - Brazil;Federal University of the Rio, de Janeiro State (UniRio), Rio de Janeiro - RJ - Brazil;University of Campinas, (UNICAMP), Campinas - SP - Brazil
Venue:
Proceedings of the 6th International Conference on Future Internet Technologies
Year:
2011

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Abstract

The networking equipment market is being transformed by the need for greater openness and flexibility, not only for research purposes but also for in-house innovation by the equipment owners. In contrast to networking gear following the model of computer mainframes, where closed software runs on proprietary hardware, the software-defined networking approach effectively decouples the data from the control plane via an open API (i.e., OpenFlow protocol) that allows the (remote) control of packet forwarding engines. Motivated by this scenario, we propose RouteFlow, a commodity routing architecture that combines the line-rate performance of commercial hardware with the flexibility of open-source routing stacks (remotely) running on general purpose computers. The outcome is a novel point in the design space of commodity routing solutions with far-reaching implications towards virtual routers and IP networks as a service. This paper documents the progress achieved in the design and prototype implementation of our work and outlines our research agenda that calls for a community-driven approach.