Colloquium
Rob Ricci
School of Computing
Wednesday, April 7, 2010
3147 MEB
Refreshments 3:20 p.m.
Lecture 3:40 p.m.
Title: Enhancing Realism And Scalability In Network Testbeds
Rob Ricci
School of Computing
Wednesday, April 7, 2010
3147 MEB
Refreshments 3:20 p.m.
Lecture 3:40 p.m.
Title: Enhancing Realism And Scalability In Network Testbeds
Abstract
Network emulation has become an indispensable tool for the conduct of research in networking and distributed systems. It offers more realism than simulation and more control and repeatability than experimentation on a live network. However, emulation testbeds face a number of challenges, including realism and scale. This talk presents three contributions toward improving realism and scale in emulation testbeds. The work presented has been conducted in the context of Emulab, a world-class testbed environment developed by the Flux Research Group at the University of Utah.
First, I will present Flexlab, a hybrid environment that couples an emulation testbed with a live-network testbed, inheriting strengths from each in order to meet the need for realistic network conditions. Second, I will present a set of algorithms for automatically annotating generated topologies with realistic IP addresses, attending to the need for realistic topologies in emulators. Third, I will present a resource mapper that is capable of assigning experimenters' requested topologies to testbeds' physical resources in a manner that scales well enough to handle large environments. I will conclude by summarizing some of our related work and identifying areas for future research.
Here are the publications that are directly related to the talk (reverse chronological order):
Enhancing Realism And Scalability In Network Testbeds. Robert Ricci. PhD Dissertation, University of Utah, to be published May 2010.
Large-scale Virtualization in the Emulab Network Testbed. Mike Hibler, Robert Ricci, Leigh Stoller, Jonathon Duerig, Shashi Guruprasad, Tim Stack, Kirk Webb and Jay Lepreau. At USENIX 08, Boston, Massassachusetts, June 2008.
The Flexlab Approach to Realistic Evaluation of Networked Systems. Robert Ricci, Jonathon Duerig, Pramod Sanaga, Daniel Gebhardt, Mike Hibler, Kevin Atkinson, Junxing Zhang, Sneha Kasera, and Jay Lepreau NSDI 2007, Cambridge, Massachusetts, April 2007.
A Solver for the Network Testbed Mapping Problem. Robert Ricci, Chris Alfeld, Jay Lepreau. ACM SIGCOMM Computer Communications Review, 33(2)65-81, April 2003.
Network emulation has become an indispensable tool for the conduct of research in networking and distributed systems. It offers more realism than simulation and more control and repeatability than experimentation on a live network. However, emulation testbeds face a number of challenges, including realism and scale. This talk presents three contributions toward improving realism and scale in emulation testbeds. The work presented has been conducted in the context of Emulab, a world-class testbed environment developed by the Flux Research Group at the University of Utah.
First, I will present Flexlab, a hybrid environment that couples an emulation testbed with a live-network testbed, inheriting strengths from each in order to meet the need for realistic network conditions. Second, I will present a set of algorithms for automatically annotating generated topologies with realistic IP addresses, attending to the need for realistic topologies in emulators. Third, I will present a resource mapper that is capable of assigning experimenters' requested topologies to testbeds' physical resources in a manner that scales well enough to handle large environments. I will conclude by summarizing some of our related work and identifying areas for future research.
Here are the publications that are directly related to the talk (reverse chronological order):
Enhancing Realism And Scalability In Network Testbeds. Robert Ricci. PhD Dissertation, University of Utah, to be published May 2010.
Large-scale Virtualization in the Emulab Network Testbed. Mike Hibler, Robert Ricci, Leigh Stoller, Jonathon Duerig, Shashi Guruprasad, Tim Stack, Kirk Webb and Jay Lepreau. At USENIX 08, Boston, Massassachusetts, June 2008.
The Flexlab Approach to Realistic Evaluation of Networked Systems. Robert Ricci, Jonathon Duerig, Pramod Sanaga, Daniel Gebhardt, Mike Hibler, Kevin Atkinson, Junxing Zhang, Sneha Kasera, and Jay Lepreau NSDI 2007, Cambridge, Massachusetts, April 2007.
A Solver for the Network Testbed Mapping Problem. Robert Ricci, Chris Alfeld, Jay Lepreau. ACM SIGCOMM Computer Communications Review, 33(2)65-81, April 2003.