> Somebody will probaby correct me quickly here but I dont think there is
> a way of creating jitter and latency and packet loss easily in linux.
Er... excuse me? The network emulator module ("netem") does it very nicely.
The problem is, it's a traffic control queue discipline, and thus
only works on egress traffic.
Actually, after having found some more docs, the whole business
of nested qdiscs is starting to make more sense.
A classful qdisc just chooses among a number of sub-queues when a
"dequeue" request from the device for more data to send arrives.
The result is a tree of qdiscs, with classless qdiscs at the leaves.
But this means that it makes no sense to have a child of a classless
qdisc. And yet the netem examples are full of such things, e.g.:
ttp://linux-net.osdl.org/index.php/Netem#Rate_control
When does netem ever pull from the "child" queue?
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