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PhD Course Introduction

Join Dr. David Stezenbach in exploring cutting-edge research on future network architectures. Dive into topics like FedNet and OptFI, analyzing virtualized networks and optimization challenges for the federated internet. Discover current research and future directions in network experimentation.

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PhD Course Introduction

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  1. PhD Course Introduction Future Network Architectures and Experimentation

  2. About Me • David Stezenbach • Sep. 2010: Diploma Degree in Computer Science • University of Wuerzburg, Germany • Focus on network science • Diploma Thesis on “Implementing & Testing Seamless Gateway Handovers in Wireless Mesh Networks” • Since Oct. 2010: Research Assistant & PhD Student • University of Vienna, Austria • Research Group of Future Communication (endowed by A1 Telekom Austria AG) • Supervisor Prof. Dr. Kurt Tutschku

  3. Virtual Network Concept & Federation

  4. Current Research Topic: FedNet • Algorithms and Operating. Procedures for Federated Virtualized. Networks (FedNet) • Euro‐NF/SJRP with University of Aveiro & BTH Sweden • Current research: • Scaling behavior of virtualized router platform • Identifying effects in the packet stream caused by virtualization • Future topics: • Derive models of scaling behavior (linear or something else?) • Path behavior with multiple virtualized routers • Video streaming on virtualized routers and links

  5. Current Research Topic: OptFI • Optimization Challenges in the Operation of the Future, Federated Internet (OptFI) • Vienna Science, Research and Technology Fund in conjunction with Vienna University of Technology • Current topics: • Mapping multiple application slices into a federated shared substrate • Description parameters for slices and the available network resources • Research questions on the Virtual Network Embedding Problem • Future work: • Evaluate multiple optimization based mapping approaches • Discuss and evaluate tradeoff between optimization time and “return of investment” • Timeframe of slice mapping and resource continuity

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