Re: Rapidly-variable routing on the time scale of seconds to minutes?

[Daniel Roesen <dr () cluenet de>]

On Mon, Jan 31, 2005 at 10:08:39PM -0500, James wrote:
> AFAIK, multiple routers showing up in a single-hop in traceroute response is
> a sign of packet-by-packet load balancing, not flow based.

Not necessarily, and in most cases probably not a fact. Don't forget
that standard UNIX traceroute uses UDP where the destination port of
the probes is increased for each subsequent probe. So per-flow
balancing hashes taking L4 header information into account will see
each traceroute probe as distinct "flow".


Best regards,
Daniel

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