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Our IP Performance WWW site contains the results of round-trip
delay and loss measurements which we perform between
key locations on our IP Backbone Network, and to key locations
on the networks of our strategic partners.
Several of the pages on this site are updated hourly and
thus reflect the current state of our network;
other pages are there to provide a more historical view
of the performance of our core network.
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The following tables contain the recent
monthly average inter-regional delay values
(in ms) and percentage loss values for the
BT Global Services IP Backbone Network.
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Intra-Europe |
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Transatlantic |
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Europe-USA |
| Month |
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Delay |
Loss |
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Delay |
Loss |
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Delay |
Loss |
| August 2010 |
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31 ms |
0.0 % |
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78 ms |
0.0 % |
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109 ms |
0.0 % |
| July 2010 |
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31 ms |
0.0 % |
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78 ms |
0.0 % |
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111 ms |
0.0 % |
| June 2010 |
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31 ms |
0.0 % |
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78 ms |
0.0 % |
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111 ms |
0.0 % |
| May 2010 |
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31 ms |
0.0 % |
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78 ms |
0.0 % |
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111 ms |
0.0 % |
| April 2010 |
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31 ms |
0.0 % |
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79 ms |
0.0 % |
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111 ms |
0.0 % |
| March 2010 |
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31 ms |
0.0 % |
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78 ms |
0.0 % |
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109 ms |
0.0 % |
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Europe-Latin |
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Europe-Asia |
| Month |
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Delay |
Loss |
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Delay |
Loss |
| August 2010 |
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183 ms |
0.1 % |
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234 ms |
0.0 % |
| July 2010 |
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183 ms |
0.0 % |
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228 ms |
0.1 % |
| June 2010 |
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192 ms |
0.2 % |
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230 ms |
0.0 % |
| May 2010 |
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193 ms |
0.2 % |
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236 ms |
0.0 % |
| April 2010 |
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198 ms |
0.1 % |
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236 ms |
0.0 % |
| March 2010 |
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190 ms |
0.1 % |
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230 ms |
0.1 % |
| Notes |
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1) Each delay/loss value is colour-coded
according to the acceptability of the result.
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Low delay/loss |
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High delay/loss |
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2) Further details of the measurements can be
found by clicking on the "more information"
button on the side navigation bar.
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