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Allow experimenter complete control
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q |
Configurable link bandwidth, latency, and loss
rates,
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via transparently interposed “traffic shaping” nodes
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that provide WAN emulation
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… but provide fast tools for common cases
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OS’s, state mgmt tools, IP, batch, ...
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Disk loading – 6GB disk image FreeBSD+Linux
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Unicast tool: 88 seconds to load
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Multicast tool: 40 nodes simultaneously in < 5
minutes
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Virtualization
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of all experimenter-visible resources
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node names, network interface names, network addrs
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Allows swapin/swapout, easily scriptable
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