#summary this page collects references on scaling time for network emulation
= References =
* VAN Testbed - Telcordia/CERDEC
Modified Xen hypervisor monitors Discrete Event Simulator (DES) clock to provide VMs with a _slowdown factor_.
http://portal.acm.org/citation.cfm?id=1831353
http://portal.acm.org/citation.cfm?id=1857024
http://www.computer.org/portal/web/csdl/doi/10.1109/TRIDENTCOM.2009.4976204
* DieCast - UCSD
_time dilation_
Modified Xen hypervisor to make time appear slower to guest OS.
http://www.usenix.org/event/nsdi08/tech/gupta.html
http://cseweb.ucsd.edu/~kyocum/pubs/P2P-2009.pdf
http://sysnet.ucsd.edu/projects/time-dilation/
* SliceTime/Synchronized Network Emulation - RWTH Aachen University
http://portal.acm.org/citation.cfm?id=1453185
http://www.comsys.rwth-aachen.de/research/projects/slicetime/
* Emulab Checkpoints
Modified Xen hypervisor with time virtualization to support checkpointing (pausing) a distributed emulation.
Transparent Checkpoints of Closed Distributed Systems in Emulab. Anton Burtsev, Prashanth Radhakrishnan, Mike Hibler, and Jay Lepreau. In Proc. of the Fourth ACM European Conference on Computer Systems, pages 173–186, Nuremberg, Germany, April 2009.
* Linux Time namespace - Jeff Dike (UML creator)
Add a time namespace to the Linux kernel, allowing for gettimeofday() offsets.
http://lkml.indiana.edu/hypermail/linux/kernel/0604.1/1225.html
* Virtual Time for OpenVZ
Yuhao Zheng David M. Nicol, Dong Jin. A virtual time system for OpenVZ-based network emulations. In Proceedings of the [https://sites.google.com/site/pads2011/ 2011 Symposium on Principles of Advanced and Distributed Simulation], pages 1–10, Nice, France, June 2011.