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The throughputs measured to Africa from N. America for the last decade are shown below in the left hand figure. It is seen that not only do African sites lag the rest of the world in throughput being roughly in the state that European sites were over a decade and a half ago, but also they are falling further behind. Further, bear in mind that for Africa, Mediterranean countries and South Africa have the better perfomance and E. Africa is probably the worst off (see the the middle left map). Thus the arrival of a terrestrial submarine fibre cable link to the rest of the world for E. Africa is a very significant development.
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="a3663299cac93fb0-732c0a65-49fb4088-b25ca8b5-c9b7f7e74802660d3948671c"><ac:plain-text-body><![CDATA[ | Throughput to Africa | Derived Throughput from SLAC to Africa Jan-Aug '09 [xls] | MinRTT from SLAC - Aug. 2009 [[xls | ^map-africa-minrtt-aug2009.xls]] | Derived Throughput from SLAC to Africa Jan-Aug '09 [xls] | PingER Coverage in Africa | ]]></ac:plain-text-body></ac:structured-macro> |
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The striking number of countries in Eastern and Central Africa with minimum RTTs of >400ms is indicative that they were using geo-stationary satellite links. The new cable should also result in less loss and jitter due to the reduction in congestion caused by the increase in capacity.
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="782a3729ea378df6-a423eb68-43c543b7-85e38eb6-22119a4efdb49d3f5e6cdacc"><ac:plain-text-body><![CDATA[ | Routing from South Africa to African Countries (Sep '05) | Routing from South Africa to African Countries (Aug '09) [[xls | ^routing-africa-aug2009.xls]] | Routing from Burkina Faso to African Countries (Aug '09) [[xls | ^routing-africa-aug2009.xls]] | ]]></ac:plain-text-body></ac:structured-macro> |
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