OpenStack Summit Atlanta 2014

Videos provided by OpenStack Summit via OpenStack Foundation YouTube Channel

Since Networking is the glue that connects apps with infrastructure, it is critical to have network visibility. For example, operators would like to know whether the overlay or the underlay is at fault, among other things or where are the hotspots? As a first step, we explore how we can obtain the best network visibility and the challenges that lie in front, going forward. In order to solve the problems, we present strategies to 1) extract data from underlay (SDN controller) and the overlay (Neutron) system 2) show data mining and machine learning techniques to extract insights 3) interesting applications of the insights. We introduce the concept of network distances, a simple abstraction to expose the network metrics between any two entities of a network service. In particular we show how we can implement network distance within a SDN controller like Opendaylight.

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