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Re: Mark Allman: Internet measurement: what next?
Daniel Karrenberg wrote:
If you tell us what limits you want removed we may work on that!
Sounds like below as if you are working on it.
We are definitely working towards making the results generallyRaw data is important and if publicly available, I think you will find a lot of people assimilating the data in ways that others haven't thought of, as well as contributing suggestions for tests to obtain data that they feel is missing for their specific purposes.
We will also add quite detailed measurments of DNS servers for the rootI think this would be very useful, especially in conjunction with the current tests and the data available concerning route views.
I recommend operating system independant where possible. Store with the data the information pertaining to the testing machine. ie. Was the measurement taken over a dialup (should be detectable), what OS was it, and what version of resolver was used for dns tests? This would show performance information associated with this information as well as allowing weights in data analysis.I have been thinking about a multi-tier measurement network, adding probes that do not have dedicated hardware and high precision clocks, but rather conisist of just a software package. These could be deloyed more easily.
Path latencies in both directions, detmining if the path was a/symetrical, etc would also be useful. Of course, this information will change over time and must be resampled with each testing interval.
Take the tests to the user, and the network's involved won't have a choice on the public nature of network performance, availability, and routing. Everyone would be affected, and it would help provide an overall understanding of the 'net as a whole.
For security purposes, you could allow a blind spot, so that companies might be interested in using the testing equipment. Such a system would black out the statistics and information concerning the internal network.