OpenFlow Discovery Protocol (OFDP) is the de-facto protocol used by OpenFlow
controllers to discover the underlying topology. In this paper, we show that
OFDP has some serious security, efficiency and functionality limitations that
make it non suitable for production deployments. Instead, we briefly introduce
sOFTD, a new discovery protocol with a built-in security characteristics and
which is more efficient than traditional OFDP.Comment: The peer reviewed version can be found here (to be published soon