WITS: Auckland II
Trace Format | Legacy ATM, captured using a DAG 2 card. |
Volume on Disk | 27 GB |
Number of Traces | 85 |
Capture Start (Local) | Mon Nov 29 13:42:58 1999 |
Capture End (Local) | Mon Jul 3 18:34:36 2000 |
Total Duration | 24 Days, 7 Hours, 0 Minutes and 15 Seconds |
Packets Captured | 996 million |
Total Traffic | 359 GB |
Contiguity | None |
Snapping Method | Fixed-length 64 byte truncation. |
Rotation Policy | No file rotation |
Anonymization | IP addresses replaced using one-to-one mapping into 10.*.*.* address space |
Download | Link |
Download | Link (RIPE repository) |
NOTE: The traces released here are NOT the traces that were originally released by NLANR. The NLANR release featured a bug in the anonymisation technique that meant that multiple real-world IP addresses were mapped to the same anonymised address. The traces on this page have been re-anonymised from the original captures using a corrected anonymisation tool.
We have retained the traces that were released by NLANR, although we strongly recommend against using them. They can be accessed from here.
This is a collection of long GPS-synchronized traces taken using a pair of DAG 2 cards at the University of Auckland. Most traces were targeted at 24 hour runs, but hardware failures have resulted in most traces being significantly shorter. The first trace taken is much longer, with over 1 and a half days of traffic.
The tap was installed at an OC3 link carrying various Classical-IP-over-ATM, LANE and POTS services. The trace contains all the IP headers of a single VPI/VCI pair, which connects the University to its ISP. A cap for 2MBits/sec peak packet rate is set in each direction. All external connections from the University have to pass through the measurement point. Additionally, traffic across a LANE connection to an offsite campus is included in the trace.
Each trace file is named using the following format: yyyymmdd-HHMMSS-[direction].gz. The time and date refers to the local time when the capture was started. The direction refers to which half of the link is contained within the trace. Direction 0 is traffic coming into the University and direction 1 is traffic originating from the University.
All non-IP traffic has been discarded and only TCP, UDP and ICMP traffic is present in the trace. Any user payload within the 64 byte capture record has been zeroed.
The IP addresses in the traces have been replaced using a one-to-one mapping into the 10.0.0.0/8 address space. Each anonymised address was assigned sequentially so the first real-world address observed is mapped to 10.0.0.1, the next new address is 10.0.0.2 and so on. The mapping database was preserved across the entire trace set.
The recommended method for processing these traces is to use Libtrace, which we have developed. There are a number of tools included with libtrace such as a packet dumping utility, a trace format converter (for example, to convert to pcap), a trace splitting/filtering tool and a few statistic generators. We suggest you examine the Libtrace Wiki for more details on the Libtrace tools and the library itself.
Acknowledgements: Some of the information presented on this page has been sourced from the NLANR page about this traceset.
Name | Local Start Time | Duration | Total Packets | Compressed Size |
---|---|---|---|---|
19991129-134258-0 | Mon Nov 29 13:42:58 1999 | 38:29:08 | 30 million | 878 MB |
19991129-134258-1 | Mon Nov 29 13:42:58 1999 | 38:30:59 | 28 million | 806 MB |
19991201-192548-0 | Wed Dec 1 19:25:48 1999 | 24:03:20 | 16 million | 487 MB |
19991201-192548-1 | Wed Dec 1 19:25:48 1999 | 24:02:58 | 15 million | 451 MB |
19991207-125019-0 | Tue Dec 7 12:50:19 1999 | 13:36:08 | 9 million | 286 MB |
19991207-125019-1 | Tue Dec 7 12:50:19 1999 | 13:36:08 | 9 million | 266 MB |
19991208-125838-0 | Wed Dec 8 12:58:38 1999 | 2:18:59 | 2 million | 79 MB |
19991208-125838-1 | Wed Dec 8 12:58:38 1999 | 2:18:59 | 2 million | 75 MB |
19991209-151701-0 | Thu Dec 9 15:17:01 1999 | 24:02:32 | 19 million | 531 MB |
19991209-151701-1 | Thu Dec 9 15:17:01 1999 | 24:02:10 | 16 million | 445 MB |
20000107-093027-0 | Fri Jan 7 09:30:28 2000 | 21:50:41 | 14 million | 401 MB |
20000107-093027-1 | Fri Jan 7 09:30:28 2000 | 21:50:41 | 13 million | 362 MB |
20000112-111915-0 | Wed Jan 12 11:19:15 2000 | 11:16:33 | 11 million | 321 MB |
20000112-111915-1 | Wed Jan 12 11:19:15 2000 | 11:24:38 | 11 million | 326 MB |
20000114-125102-0 | Fri Jan 14 12:51:02 2000 | 24:03:33 | 12 million | 352 MB |
20000114-125102-1 | Fri Jan 14 12:51:02 2000 | 24:03:21 | 12 million | 335 MB |
20000117-095016-0 | Mon Jan 17 09:50:16 2000 | 21:56:58 | 15 million | 423 MB |
20000117-095016-1 | Mon Jan 17 09:50:16 2000 | 21:56:58 | 13 million | 388 MB |
20000125-143640-0 | Tue Jan 25 14:36:40 2000 | 3:11:28 | 3 million | 108 MB |
20000125-143640-1 | Tue Jan 25 14:36:40 2000 | 3:11:28 | 3 million | 104 MB |
20000126-205741-0 | Wed Jan 26 20:57:41 2000 | 19:36:57 | 14 million | 428 MB |
20000126-205741-1 | Wed Jan 26 20:57:41 2000 | 19:37:00 | 15 million | 443 MB |
20000128-160441-0 | Fri Jan 28 16:04:41 2000 | 24:02:04 | 10 million | 304 MB |
20000128-160441-1 | Fri Jan 28 16:04:41 2000 | 24:01:22 | 11 million | 320 MB |
20000201-092542-0 | Tue Feb 1 09:25:42 2000 | 20:24:03 | 15 million | 458 MB |
20000201-092542-1 | Tue Feb 1 09:25:42 2000 | 20:24:03 | 16 million | 471 MB |
20000203-112952-0 | Thu Feb 3 11:29:52 2000 | 5:15:45 | 6 million | 195 MB |
20000203-112952-1 | Thu Feb 3 11:29:52 2000 | 5:15:45 | 6 million | 193 MB |
20000204-183800-0 | Fri Feb 4 18:38:01 2000 | 6:15:22 | 3 million | 101 MB |
20000204-183800-1 | Fri Feb 4 18:38:01 2000 | 6:28:18 | 4 million | 122 MB |
20000207-105633-0 | Mon Feb 7 10:56:33 2000 | 16:15:05 | 13 million | 377 MB |
20000207-105633-1 | Mon Feb 7 10:56:33 2000 | 16:15:05 | 12 million | 362 MB |
20000210-143332-0 | Thu Feb 10 14:33:32 2000 | 7:46:50 | 6 million | 203 MB |
20000210-143332-1 | Thu Feb 10 14:33:32 2000 | 7:46:50 | 6 million | 196 MB |
20000214-185536-0 | Mon Feb 14 18:55:36 2000 | 3:13:53 | 1 million | 52 MB |
20000214-185536-1 | Mon Feb 14 18:55:36 2000 | 3:13:53 | 1 million | 50 MB |
20000215-160554-0 | Tue Feb 15 16:05:54 2000 | 6:29:14 | 5 million | 153 MB |
20000215-160554-1 | Tue Feb 15 16:05:54 2000 | 6:16:20 | 4 million | 141 MB |
20000216-175921-0 | Wed Feb 16 17:59:21 2000 | 2:31:09 | 1 million | 40 MB |
20000216-175921-1 | Wed Feb 16 17:59:21 2000 | 2:31:09 | 1 million | 39 MB |
20000221-150849-0 | Mon Feb 21 15:08:49 2000 | 20:06:50 | 14 million | 404 MB |
20000221-150849-1 | Mon Feb 21 15:08:49 2000 | 20:06:50 | 14 million | 392 MB |
20000223-204649-0 | Wed Feb 23 20:46:49 2000 | 9:37:29 | 4 million | 129 MB |
20000223-204649-1 | Wed Feb 23 20:46:49 2000 | 9:37:29 | 4 million | 118 MB |
20000225-185049-0 | Fri Feb 25 18:50:49 2000 | 6:03:03 | 3 million | 96 MB |
20000225-185049-1 | Fri Feb 25 18:50:49 2000 | 6:03:03 | 3 million | 97 MB |
20000228-133235-0 | Mon Feb 28 13:32:35 2000 | 14:21:41 | 11 million | 334 MB |
20000228-133235-1 | Mon Feb 28 13:32:35 2000 | 14:21:41 | 11 million | 336 MB |
20000301-173237-0 | Wed Mar 1 17:32:37 2000 | 15:54:05 | 10 million | 303 MB |
20000301-173237-1 | Wed Mar 1 17:32:37 2000 | 15:54:05 | 10 million | 307 MB |
20000303-120046-0 | Fri Mar 3 12:00:46 2000 | 6:33:06 | 8 million | 254 MB |
20000303-120046-1 | Fri Mar 3 12:00:46 2000 | 6:33:06 | 8 million | 251 MB |
20000308-122923-0 | Wed Mar 8 12:29:23 2000 | 15:21:53 | 14 million | 435 MB |
20000308-122923-1 | Wed Mar 8 12:29:23 2000 | 15:21:38 | 15 million | 434 MB |
20000315-190614-0 | Wed Mar 15 19:06:14 2000 | 16:34:13 | 12 million | 378 MB |
20000315-190614-1 | Wed Mar 15 19:06:14 2000 | 16:34:13 | 12 million | 365 MB |
20000322-100657-0 | Wed Mar 22 10:06:57 2000 | 6:00:00 | 9 million | 279 MB |
20000322-100657-1 | Wed Mar 22 10:06:57 2000 | 6:00:00 | 9 million | 267 MB |
20000327-194854-0 | Mon Mar 27 19:48:54 2000 | 3:19:41 | 3 million | 101 MB |
20000327-194854-1 | Mon Mar 27 19:48:54 2000 | 3:19:41 | 3 million | 104 MB |
20000406-111450-0 | Thu Apr 6 11:14:50 2000 | 24:00:48 | 33 million | 980 MB |
20000406-111450-1 | Thu Apr 6 11:14:50 2000 | 24:00:46 | 31 million | 913 MB |
20000504-125919-0 | Thu May 4 12:59:19 2000 | 24:01:01 | 28 million | 851 MB |
20000504-125919-1 | Thu May 4 12:59:19 2000 | 24:00:53 | 28 million | 845 MB |
20000515-160055-0 | Mon May 15 16:00:55 2000 | 16:25:24 | 14 million | 423 MB |
20000515-160055-1 | Mon May 15 16:00:55 2000 | 16:25:24 | 14 million | 436 MB |
20000518-111548-0 | Thu May 18 11:15:48 2000 | 1:48:00 | 4 million | 121 MB |
20000518-111548-1 | Thu May 18 11:15:48 2000 | 1:48:00 | 3 million | 116 MB |
20000607-133827-0 | Wed Jun 7 13:38:27 2000 | 3:26:20 | 7 million | 233 MB |
20000607-133827-1 | Wed Jun 7 13:38:27 2000 | 3:26:20 | 7 million | 225 MB |
20000609-143638-0 | Fri Jun 9 14:36:38 2000 | 20:40:35 | 20 million | 587 MB |
20000609-143638-1 | Fri Jun 9 14:36:38 2000 | 20:40:35 | 19 million | 577 MB |
20000614-181539-0 | Wed Jun 14 18:15:39 2000 | 18:02:03 | 19 million | 568 MB |
20000614-181539-1 | Wed Jun 14 18:15:39 2000 | 18:01:50 | 18 million | 546 MB |
20000619-183717-0 | Mon Jun 19 18:37:17 2000 | 24:01:37 | 27 million | 799 MB |
20000619-183717-1 | Mon Jun 19 18:37:17 2000 | 24:01:19 | 27 million | 783 MB |
20000621-105006-0 | Wed Jun 21 10:50:06 2000 | 7:19:23 | 14 million | 419 MB |
20000621-105006-1 | Wed Jun 21 10:50:06 2000 | 7:19:23 | 13 million | 392 MB |
20000627-213007-0 | Tue Jun 27 21:30:08 2000 | 1:38:09 | 1 million | 32 MB |
20000627-213007-1 | Tue Jun 27 21:30:08 2000 | 1:38:09 | 1 million | 33 MB |
20000629-165253-0 | Thu Jun 29 16:52:53 2000 | 8:14:13 | 7 million | 202 MB |
20000629-165253-1 | Thu Jun 29 16:52:53 2000 | 8:14:13 | 6 million | 184 MB |
20000630-175712-0 | Fri Jun 30 17:57:12 2000 | 19:26:05 | 11 million | 329 MB |
20000630-175712-1 | Fri Jun 30 17:57:12 2000 | 19:26:05 | 10 million | 301 MB |
20000703-152100-0 | Mon Jul 3 15:21:00 2000 | 3:13:36 | 11 million | 276 MB |