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Re: [ripe-ttraffic #26335] Updated to-do-list
Mark, others:
Thanks, added to the list.
If there are more comments, please bring them to the NP meeting.
> > 3.21 Replace "start_everywhere" by local test for processes
> > and a connectivity test FG,MS 10/00
> Cfengine now does this locally for ttraffic(is what start_everywhere
> did).
> TODO: - processes for root (almost done)
> - daemonize.pl -> daemonize.c -> cfcron
OK, I'll leave it on the lsit then.
> > 5.8 See if we have to install TB's at reference points ??
> what are we going to do about this?
This is related to 8.2: When the number of boxes grows, measuring along
N^2 might not be the best tactic anymore: not all paths are interesting
and the number of measurements between 2 points has to go down in order to
keep an acceptable time between 2 packets. Instead, one might consider to
measure to a number of well-known points, plus a number of boxes selected
by the host, and leave out the uninteresting paths.
> > New Products.
> > -------------
> > 6.3 Scores for network perfomance ?? 2/00
> > 6.5 Code and test prototype of scoring ??
> scoring?
Another thing that is on our list for a long time. Invent a metric that
gives a score of 0 to (say) 1000 to each path and each box, summarizing
delay, spread in delay and loss over a period. Make a list with all TB's,
if one improves his connections, the score goes up.
> > Future developments.
> > --------------------
> > 8.5 Investigate if we can measure the throughput of a ??
> > connection
> Van Jacobson has written pathchar, a tool which calculates the
> bandwidth w/o actually filling it up.
> The tool and a paper are here:
> ftp://ftp.ee.lbl.gov/pathchar/
And there are now 2 derivatives of it: pchar and clink, which both seem to
give decent result. We should discuss this.
Henk
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