[Pathneck-Result]: mak@aegir $ ./pathneck -xo transit.511.org 1182902004.305415 198.94.156.204 500 60 0 14 64.159.0.217 209.247.8.89 00 0.911 134.79.27.2 33325 33325 . 7.202 ub rtr-core1-pub6.slac.stanford.edu 01 1.287 134.79.135.15 32937 32937 . 7.287 lb rtr-dmz1-ger.slac.stanford.edu 02 1.285 192.68.191.146 32810 32810 . 7.315 lb slac-rt4.es.net 03 1.283 134.55.209.93 32800 32800 . 7.317 lb slacmr1-slacrt4.es.net 04 2.847 134.55.218.29 31485 31485 3 0.000 uk lblmr1-sdn-slacmr1.es.net 05 3.468 134.55.217.41 30976 30976 . 7.748 lb jgimr1-lblmr1.es.net 06 4.081 134.55.217.34 30730 30730 . 7.810 lb nerscmr1-jgimr1.es.net 07 5.072 134.55.217.21 30604 30604 . 7.842 lb snllmr1-nerscmr1.es.net 08 5.191 134.55.219.78 30354 30354 . 7.906 lb llnlmr1-snllmr1.es.net 09 6.185 134.55.217.18 30238 30238 . 7.937 lb snv1mr1-llnlmr1.es.net 10 6.303 134.55.218.21 30108 30238 . 7.971 lb snvcr1-snv1mr1.es.net 11 13.416 134.55.208.205 38104 34729 2 6.299 ub paix-pa-snv.es.net 12 0.000 0.0.0.0 0 0 . 0.000 uk 0.0.0.0 13 158.442 4.68.125.145 34729 34729 . 6.911 lb so-7-2-0.bbr1.SanJose1.Level3.net 14 159.435 209.247.8.89 198773 198773 1 1.207 ub so-3-0-0.mp1.SanFrancisco1.Level3.net 15 0.000 0.0.0.0 0 0 . 0.000 uk 0.0.0.0 16 0.000 166.90.48.82 0 0 . 0.000 uk VERIZON-ESG.hsa1.SanFrancisco1.Level3.net conf = 0.825 0.129 0.042 rtt = 160.199 ( 198.94.156.204 ) -------------------------------------------------------------------------------------- mak@aegir $ ./pathneck -xo www.cern.ch 1182902075.879569 137.138.137.177 500 60 0 7 134.55.219.26 134.55.219.81 00 0.876 134.79.27.2 37704 37704 . 6.365 ub rtr-core1-pub6.slac.stanford.edu 01 0.973 134.79.135.15 37472 37472 . 6.405 lb rtr-dmz1-ger.slac.stanford.edu 02 38.190 192.68.191.146 129 37472 . 1847.033 lb slac-rt4.es.net 03 1.583 134.55.209.93 36725 36725 2 0.000 uk slacmr1-slacrt4.es.net 04 38.059 134.55.217.2 616 36725 . 389.564 lb snv2mr1-slacmr1.es.net 05 38.057 134.55.207.37 493 36725 . 486.766 lb snv2sdn1-snv2mr1.es.net 06 50.153 134.55.209.54 30107 30107 1 0.000 uk chislsdn1-oc192-snv2sdn1.es.net 07 50.395 134.55.219.81 29736 29736 3 0.000 uk chislmr1-chislsdn1.es.net 08 163.333 198.125.140.90 29597 29597 . 8.109 lb ar3-chicago-esnet-vlan.cern.ch 09 163.440 192.65.184.53 29360 29360 . 8.174 lb e513-e-rci76-1-ne1.cern.ch conf = 0.220 0.020 0.012 rtt = 162.642 ( 137.138.137.177 ) ---------------------------------------------------------------------------------------- [Reading:] ---------- The 1st line: probing_start_timestamp (local time), dst_ip, load_pkt_size, load_pkt_num, delay_num The main body (the 7-column thing): 1st column: the index number 2nd column: the RTT to that hop 3rd column: hop IP address 4th column: raw gap measurement (in microsecond) 5th column: "smooth"ed gap values (in microsecond), they are also the input for the dynamic algo 6th column: choke points, "." represents non-choke point, "1", "2", "3" refers to the choke points (output at most 3), ordered by the confidence value. 7th column: bandwidth bound estimation, unit: Mbps 8th column: ub->upper bound, lb->lower bound, uk->unknown (see the pathneck paper section 2.3.3 for the detail.) 9th column: hop hostname The "conf" line: the confidence values for the choke points detected, in the order of "1", "2", "3". The "rtt" line: the RTT to the destination, dst_ip, and the hop count *from* dst to source (i.e., return path, not forward path).