<div dir="ltr">Hi Barrack,<div><br></div><div>I can open the link just fine. You will be redirected to a website with an abstract of the book. At the very top you have the download link which allows you to download the study in PDF</div><div><br></div><div>Best regards</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div>Honest Ornella GANKPA<br></div></div><div><br></div><div><br></div><div href="http://WISESTAMP_SIG_gmail_session"></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">2017-04-03 16:50 GMT+01:00 Barrack Otieno <span dir="ltr"><<a href="mailto:otieno.barrack@gmail.com" target="_blank">otieno.barrack@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Roderick,<br>
<br>
Interesting research, the link doesnt open the document can you resend<br>
the correct link?<br>
<br>
Best Regards<br>
<div class="HOEnZb"><div class="h5"><br>
On 4/3/17, Roderick <<a href="mailto:roderick.fanou@imdea.org">roderick.fanou@imdea.org</a>> wrote:<br>
> Dear all,<br>
><br>
> We would like to share the url <a href="https://authors.elsevier.com/a/1UoaAVwcQSH8w" rel="noreferrer" target="_blank">https://authors.elsevier.com/<wbr>a/1UoaAVwcQSH8w</a>,<br>
> on which are described the results of a scientific study investigating the<br>
> evolution of the Interdomain routing in Africa using the RIPE Atlas<br>
> infrastructure.<br>
> This paper is entitled “Four Years Tracking Unrevealed Topological Changes<br>
> in the African Interdomain”. It has been published at the Computer<br>
> Communications Journal, which provides a 50 days free access,<br>
> i.e. the manuscript will be freely downloadable by anyone until May 20,<br>
> 2017. After that period, it will need to be purchased.<br>
><br>
> Please find below its abstract:<br>
><br>
> Abstract<br>
> Despite extensive studies on the Internet topology, little is still known<br>
> about the AS level topology of the African Internet, especially when it<br>
> comes to its IXP substrate. The main reason for this is the lack of vantage<br>
> points that are needed to obtain the proper information. From 2013 to 2016,<br>
> we enhanced the RIPE Atlas measurement infrastructure in the region to shed<br>
> light on both IPv4 and IPv6 topologies interconnecting local ISPs. We<br>
> increased the number of vantage points in Africa by 278.3% and carried out<br>
> measurements between them at random periods. To infer results that depict<br>
> the behavior of ISPs in the region, we propose reproducible traceroute data<br>
> analysis techniques suitable for the treatment of any set of similar<br>
> measurements. We first reveal a large variety of ISP transit habits and<br>
> their dependence on socio-economic factors. We then compare QoS within<br>
> African countries, European countries, and the US to find that West African<br>
> networks in particular need to promote investments in fiber networks and to<br>
> implement traffic engineering techniques. Our results indicate the remaining<br>
> dominance of ISPs based outside Africa for the provision of<br>
> intra-continental paths, but also shed light on traffic localization<br>
> efforts. We map, in our traceroute data, 62.2% of the IXPs in Africa and<br>
> infer their respective peers. Finally, we highlight the launch of new IXPs<br>
> and quantify their impacts on end-to-end connectivity. The study clearly<br>
> demonstrates that to better assess interdomain routing in a continent, it is<br>
> necessary to perform measurements from a diversified range of vantage<br>
> points.<br>
><br>
> Keywords<br>
> African internet; IXP substrate; RIPE Atlas; Transit; Traffic localization<br>
> Please feel free to share this mail or the url<br>
> (<a href="https://authors.elsevier.com/a/1UoaAVwcQSH8w" rel="noreferrer" target="_blank">https://authors.elsevier.com/<wbr>a/1UoaAVwcQSH8w</a>).<br>
><br>
> Comments and questions are welcome.<br>
><br>
> Thanks and regards,<br>
><br>
> The authors.<br>
><br>
><br>
><br>
><br>
<br>
<br>
</div></div><span class="HOEnZb"><font color="#888888">--<br>
Barrack O. Otieno<br>
<a href="tel:%2B254721325277" value="+254721325277">+254721325277</a><br>
<a href="tel:%2B254733206359" value="+254733206359">+254733206359</a><br>
Skype: barrack.otieno<br>
PGP ID: 0x2611D86A<br>
<br>
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