IMDEA Networks Institute Publications Repository

Pushing the Frontier: Exploring the African Web Ecosystem

Fanou, Roderick and Tyson, Gareth and Francois, Pierre and Sathiaseelan, Arjuna (2016) Pushing the Frontier: Exploring the African Web Ecosystem. In: The 7th African Peering and Interconnection Forum (AfPIF 2016) , 30 August - 1 September 2016, Dar es Salaam, Tanzania.

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It is well known that Africa’s mobile and fixed Internet infrastructure is progressing at a rapid pace. A flurry of recent research has quantified this, highlighting the expansion of its underlying connectivity network. However, improving the infrastructure is not useful without appropriately provisioned services to utilize it. This paper measures the availability of web content infrastructure in Africa. Whereas others have explored web infrastructure in developed regions, we shed light on practices in developing regions. To achieve this, we apply a comprehensive measurement methodology to collect data from a variety of sources. We focus on a large content delivery network to reveal that Africa’s content infrastructure is, indeed, expanding. However, we find much web content is still served from the US and Europe. We discover that many of the problems faced are actually caused by significant inter-AS delays in Africa, which contribute to local ISPs not sharing their cache capacity. We discover that a related problem is the poor DNS configuration used by some ISPs, which confounds the attempts of providers to optimize their delivery. We then explore a number of other websites to show that large web infrastructure deployments are a rarity in Africa and that even regional websites host their services abroad. We conclude by making suggestions for improvements.

Item Type: Conference or Workshop Papers (Invited Talk)
Additional Information: The video of the presentation is available at (Session 4: Measurements Panel)
Depositing User: Roderick Fanou
Date Deposited: 25 May 2017 06:21
Last Modified: 25 May 2017 06:21

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