Connections with multiple congested gateways in packet-switched networks part 1: one-way traffic
ACM SIGCOMM Computer Communication Review
VDE: Virtual Distributed Ethernet
TRIDENTCOM '05 Proceedings of the First International Conference on Testbeds and Research Infrastructures for the DEvelopment of NeTworks and COMmunities
How to Study Wireless Mesh Networks: A hybrid Testbed Approach
AINA '07 Proceedings of the 21st International Conference on Advanced Networking and Applications
A hypervisor based security testbed
DETER Proceedings of the DETER Community Workshop on Cyber Security Experimentation and Test on DETER Community Workshop on Cyber Security Experimentation and Test 2007
On TCP performance in a heterogeneous network: a survey
IEEE Communications Magazine
Satellite-based Internet: a tutorial
IEEE Communications Magazine
A virtual integrated network emulator on XEN (viNEX)
Proceedings of the 2nd International Conference on Simulation Tools and Techniques
A model-driven emulation approach to large-scale TCP performance evaluation
International Journal of Communication Networks and Distributed Systems
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Research on TCP performance relies either on simulation programs, which run on a single machine, or on the use of real testbeds, where different machines represent different network nodes and data exchange is made through physical network interfaces. This paper proposes a different solution, with the aim of taking the best of both the cited alternative options. The idea is to exploit the most advanced virtualization technologies to integrate the different devices of a real testbed in a single GNU/Linux physical machine. The Virtual Integrated TCP Testbed (VITT) presented in this paper is the practical realization of this concept. Several virtual machines, fully configurable from the host system, are connected through an emulated network, implemented by means of the software tools provided by the Virtual Distributed Ethernet (VDE) project. A simple web interface allows the user to configure the network layout, set the TCP parameters, launch the experiments and gather the results. VITT is built on the experience achieved by the authors in the design and use of a real distributed testbed (TATPA), from which VITT derives some software components. TATPA results proved essential to assess the present limits of the virtualization approach, i.e. the accuracy of results vs. network complexity.