Future networks based on virtualization will enable on-the-fly instantiation of services in the form of "network slices". In this talk we will focus on a fundamental resource allocation problem in this context, that of finding a minimum cost embedding of a network slice onto a graph representing the available resources of our architecture.
Seguir leyendo arrow_right_altThe use of deceptive techniques in user-generated video portals is ubiquitous. Unscrupulous uploaders deliberately mislabel video descriptors, such as headline, thumbnail etc., in order to increase their views and subsequently their ad revenue. However, such deceptive practices come at the expense of the end-user’s experience as the content does not meet the viewer’s expectations, which are formed by the misleading headline and thumbnail.
Seguir leyendo arrow_right_altIn this talk we present OpenBox — a software-defined framework for network-wide development, deployment, and management of network functions (NFs). OpenBox effectively decouples the control plane of NFs from their data plane, similarly to SDN solutions that only address the network’s forwarding plane.
Seguir leyendo arrow_right_altCisco estimates that by 2019 traffic will be 64x than in 2005. Network caching can help cope with this traffic deluge as, by replicating content closer to the users, it reduces bandwidth consumption.
Seguir leyendo arrow_right_altThe Internet is central to our lives, but we know astoundingly little about it.
How big is the Internet? How reliable? How is it evolving over months?
How does it change over the course of a day?
Wireless communication is not only a key technology underlying the mobile revolution, it is also used to connect, monitor, alert, and interact with physical infrastructures such as smart-grids, transportation networks, and even implantable devices.
Seguir leyendo arrow_right_altAfter a number of years of its launch, OpenFlow does not yet provide deployable alternatives but it has fully changed the conceptual approach to manage and control networks.
Seguir leyendo arrow_right_altSoftAir is a new wireless software-defined architecture with network function virtualization (NFV) solutions for 5G wireless systems. The concept of SDN has been proposed to efficiently create centralized network abstraction with the provisioning of programmability over the entire network.
Seguir leyendo arrow_right_altSocial media is an invaluable source of time-critical information during a crisis. However, emergency response and humanitarian relief organizations that would like to use this information struggle with an avalanche of social media messages, exceeding their capacity to process them.
Seguir leyendo arrow_right_altThis seminar explores the physical, behavioral, and computational limits of crowd-assembly for problem-solving.
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