Demo Abstract: Turning OpenStack into a Fog Orchestrator

5G networks are expected to enable revolutionary services to be established, such as tactile Internet and online augmented reality applications. These services require a dynamically programmable back-haul network topology in order to serve large amount of network traffic and to guarantee near real-time response times. For high flexibility of service capabilities service functions will be deployed in virtualized environments instead of the currently used special purpose hardware. The most widely used Virtual Infrastructure Manager (VIM) is OpenStack, which is responsible for managing compute, storage and virtual network resources. As the current scheduler of OpenStack does not take into account the underlying physical network characteristics, in order to deploy network services (NS) in a geographically distributed infrastructure, multiple VIMs and an orchestrator on top of them, are necessary for resource management. In contrast to today's setups we show a novel solution that merges these functionalities under one common OpenStack domain: our solution is capable of i) measuring the bandwidth and delay characteristics of the underlying physical network among compute nodes, ii) creating a topology model that contains both compute-, and network-related features, iii) mapping the incoming service requests, and re-mapping already deployed services to the underlying resources with our novel orchestration algorithm, iv) deploying and migrating services via OpenStack API calls.