@conference{nsdi:13:p1,
  author = {Monsanto, Christopher and Reich, Joshua and Foster, Nate
                  and Rexford, Jennifer and Walker, David},
  booktitle = {{USENIX NSDI}},
  title = {{Composing Software-Defined Networks}},
  pages = {1-13},
  month = {April},
  year = {2013},
  url = {https://www.usenix.org/system/files/tech-schedule/nsdi13-proceedings.pdf}
}