Page History

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Steve Song pointed out that a good PingER point would be the Durban University of Technology. They are the only university in South Africa to be currently connected to Seacom. All the rest are waiting for the development of the national SANREN backbone, later this year. I added www.dut.ac.za to the list of hosts monitored by PingER on 8/6/09. We will look to see whether we can see differences between it and other hosts monitored in South Africa.

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Results Illustrating Impact

To assist in the selection of hosts in this region from the pingtable results, we created an affinity group that contains all hosts in Kenya, Mozambique and Tanzania. This makes it much simpler to look at the minimum RTT for just such hosts for the last few days

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On August 3, 15:00 hours www.ku.ac.ke dropped to about 370ms (see below), the earlier step change from 650ms to 550ms may have been since only one direction of the route was using the terrestrial line. The large difference by time of day indicate that there is probably still congestion somewhere in the route. A traceroute after the changeover shows the route going via ESnet to New York and via Level3 onto London, there it is transferred to InterRoute and is carried to Kenya by Seacom and thence to Nairobinet.

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