[atlas] Paris-traceroute variations
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FANOU Roderick
roderick.fanou at gmail.com
Thu Jul 31 11:14:59 CEST 2014
Hi all, Just a quick question. What is the real difference between a TCP paris-traceroutes and an UDP paris-traceroute ? How do the probes perform each of them? Thanks, Best regards, Roderick On 26.06.2014 13:13, Philip Homburg wrote: > Hi Juan, > > On 2014/06/19 16:59 , Juan Antonio Cordero Fuertes wrote: >> Not sure this is the right place to ask this... sorry if it is not. >> >> I'm trying to configure Paris-traceroute measurements, and it is not >> clear for me what is the meaning of the /paris/ parameter. In >> https://atlas.ripe.net/docs/udm/ it is said that it corresponds, for >> values from 1 to 16, to "the number of variations to be used for a Paris >> traceroute <http://www.paris-traceroute.net/>". What is this? Does it >> correspond to the number of initial probes to be used by >> paris-traceroute? I am unable to figure it out from the RIPE Atlas >> docs... any indication would be appreciated. > > Paris-traceroute tries to make sure that all packets of a traceroute > take the same route through a load balancer. This in contrast to > traditional traceroute where packets from different hops typically take > different routes when load balancers are involved. > > However, in the case of paris-traceroute it is still interesting to find > out if there are multiple routes or not. For this reason, the traceroute > measurement creates different variations that may take a different route. > > Each interval, it will try one variation. So if you select 16 variations > then it will take 16 intervals before you get back to the first one. > > Philip -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.ripe.net/ripe/mail/archives/ripe-atlas/attachments/20140731/3fe44835/attachment.html>
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