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Interactive Control over a Programmable Computer Network using a Multi-touch Surface

Interactive Control over a Programmable Computer Network using a Multi-touch Surface. Rudolf Strijkers 1,2 , Laurence Muller 1 , Mihai Cristea 1 , Robert Belleman 1 , Cees de Laat 1 , Peter Sloot 1 , Robert Meijer 1,2. 1 University of Amsterdam 2 TNO Information and Communication Technology.

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Interactive Control over a Programmable Computer Network using a Multi-touch Surface

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  1. Interactive Control over a Programmable Computer Network using a Multi-touch Surface Rudolf Strijkers1,2, Laurence Muller1, Mihai Cristea1, Robert Belleman1, Cees de Laat1, Peter Sloot1, Robert Meijer1,2 1University of Amsterdam2TNO Information and Communication Technology

  2. Introduction What are programmable networks? When are programmable networks useful? Interactive control over a programmable network Demonstration at Super Computing 2008 Conclusions

  3. Programmable Networks Applications Applications TCP/UDP/… Internet Protocol Software Objects Virtualization Network

  4. Programmable Networks Applications Applications Sockets Proxies Routing Middleware

  5. When are Programmable Networks useful? • When precise control of network resources matter • Real-time experiments using Grids (e-VLBI)(on-demand network resources) • Distributed applications where network performance outweighs CPU performance in scalability issues • Advanced, application-specific network demands, which can change over time • Networks that need to adapt to environmental changes • Sensor Networks • Resilient and self-healing networks

  6. Basic Issue in Programmable Networks • Other than in IP networks, there is not a single end-to-end service, but rather a collection of software objects • How to program and coordinate such a network? • Configuration and setup files • Domain specific programming languages • Here, we explore a dedicated human-network interface • Gestures automatically translate to manipulations in individual network elements • Real-time, direct interaction in the form of visualization of network state • Enable multiple persons to manage or monitor the network simultaneously

  7. User Programmable Virtualized Networks Packets are tagged with identifiers (e.g. string, URL) to bind application behavior to a network service Application Application NC NC NC AC AC AC AC AC Architectural framework to model network behavior as part of the application domain Applications use proxies (Network Components) to program a network service Network cannot know the behavior in advance Allow uploading of Application Components

  8. Interactive Control over Programmable Networks We have developed an experimental platform that combines fine-grained traffic control, interactive visualization and decision making into one system An elementary control loop Network state is visualized by monitoring ACs UPVN takes care of translatinggestures into manipulationsof individual network elements The human is the optimizer

  9. Interactive Control over Programmable Networks 20 machines (of which 12 VM and 4 end-systems and 2 controllers) connected by a 1Gbit network and separate control network

  10. Implementation Other visualization, analysis or manipulation tools Controller Multi-Touch Table Multi-touch Adapter Service Visualization Other services Control 3 3 Monitoring Service Compiler Service • Controller is merely a known peer that other peers connect to • Contains functions that span over multiple peers • 2phase commit • Connection monitoring 3 Low level functions (ARP discovery, traffic processing) Adapters to middleware services or low-level control loops Asynchronous p2p messaging infrastructure NE Service 2 NE Functions 1

  11. Demonstration @ Super Computing 2008 Austin, Texas

  12. Future Work • Include Optical/Hybrid networks • Describe network resources into a semantic model (for example with Network Description Language) • Automated reasoning on semantic model to optimize network and distributed application • Interactive visualization of large-scale grids and networks • How to visualize and interact with millions of nodes? • Zooming user interface • Integrate network programmability in grid middleware frameworks • First efforts with WS-VLAM (workflow manager) • MPI support partly finished

  13. Interactive networks combines traffic processing, visualization and control of a programmable network into one system With interactive visualization programmable network behavior can become easier to understand Visualization can be focused on specific problems, such as detecting bottlenecks, available resources or failures Using a large multi-touch interface enables collaborative problem solving Multiple persons standing around the table can simultaneously interact with the programmable network Conclusions

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