ACM Transactions on Computer Systems (TOCS)
An integrated environment for testing mobile ad-hoc networks
Proceedings of the 3rd ACM international symposium on Mobile ad hoc networking & computing
A new methodology for easily constructing extensible and high-fidelity TCP/IP network simulators
Computer Networks: The International Journal of Computer and Telecommunications Networking
IWAN '02 Proceedings of the IFIP-TC6 4th International Working Conference on Active Networks
Virtual Routers: A Tool for Emulating IP Routers
LCN '02 Proceedings of the 27th Annual IEEE Conference on Local Computer Networks
Dynamic Internet overlay deployment and management using the X-Bone
ICNP '00 Proceedings of the 2000 International Conference on Network Protocols
An integrated experimental environment for distributed systems and networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
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Virtual routers are software entities, i.e. user space processes, emulating IP routers on one or several (Linux) computers. Virtual routers can be used for both networking research and education. In contrast to simulation, virtual routers process packets in real-time and the virtual router code is similar to code in real routers. In the case of research, larger network test-beds can be built using a relatively small number of computers. New functionalities such as new queuing mechanisms are supported by a modular software architecture and can be tested in a rather safe environment compared to kernel space implementations. Virtual routers can also be used as a tool aiming to allow students to perform virtual experiments within a computer networks course. Students can create and experiment with arbitrary virtual IP network topologies. The web-based user interface allows students to interact remotely with the emulated routers, but simultaneously it is very similar to commonly available configuration interfaces of network devices in reality. This enables students to configure routers like in the real world but also to experiment in a much more robust and safe environment.