MainOne Cable
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| MainOne Cable | |
|---|---|
| Name | MainOne Cable |
| Type | Private |
| Founded | 2010 |
| Founder | Funke Opeke |
| Headquarters | Lagos, Nigeria |
| Industry | Telecommunications |
| Products | Submarine communications cable, Internet connectivity |
MainOne Cable MainOne Cable is a submarine communications cable system connecting countries along the West African coast with high-capacity fiber-optic connectivity to international hubs. Conceived and deployed to address bandwidth scarcity, the project links coastal cities to landing stations and regional data centers, fostering connectivity across Nigeria, Ghana, and beyond. The initiative involved collaboration among telecommunications companies, infrastructure investors, and international contractors.
Overview
MainOne Cable provides submarine fiber-optic capacity between West Africa and Europe to support broadband services, wholesale carriers, and enterprise networks. The system interfaces with terrestrial backhaul networks, data center operators, and Internet service providers in Lagos, Accra, and other metropolitan areas. Key industry actors associated with submarine cable deployment include Alcatel-Lucent, Nokia, Huawei Marine, NEC Corporation, SubCom, and international financiers like the African Development Bank and multinational banks.
History and Development
The project was developed in response to rapid traffic growth and recurring congestion on legacy systems serving West Africa, driven by rising demand from carriers such as MTN Group, Airtel Africa, and content delivery networks like Akamai Technologies and Cloudflare. The founder, an executive with prior experience at MTN Group and NITEL, led consortia negotiations with landing partners including national incumbents and private operators. Construction phases involved maritime surveys, cable-laying vessels associated with firms such as Global Marine Group and SeaCube, and regulatory clearances from authorities including the Nigerian Communications Commission and the National Communications Authority (Ghana). The system entered commercial service in the early 2010s, spurring investments by carriers, data center providers, and colocation operators like MainOne Datacenter, Equinix, and regional exchanges including Nigeria Internet Exchange (IXPN).
Technical Specifications
The submarine system uses fiber-optic pairs with wavelength-division multiplexing technologies similar to deployments by Ciena, Huawei, and Infinera in other regional cables. Design capacity, amplification, and repeaters follow industry practices promulgated by standards bodies such as the International Telecommunication Union and components manufactured by suppliers like Furukawa Electric and Prysmian Group. Cable characteristics include armored sections for littoral protection near ports like Lagos and Accra, branching units to reach multiple landing points, and shore-end equipment housed in secure facilities compliant with best practices from organizations including Internet Engineering Task Force and the European Telecommunications Standards Institute. Network operations integrate with global subsea architectures including routes toward Portugal, Spain, and onward transatlantic interconnections.
Network Infrastructure and Landing Points
Landing stations and terrestrial backhaul integrate the cable with metropolitan networks in cities such as Lagos, Abuja, Accra, Freetown, and Banjul. Shore stations are co-located or interconnected with data centers, colocation facilities, and terrestrial carriers such as Glo Mobile, Vodacom, and regional fiber operators. Interconnection points facilitate peering and transit at internet exchange points like IXPN and cross-connects to content providers including Google, Facebook, and Amazon Web Services. The system’s topology includes main trunk segments and branch units enabling future extensions similar to architectures used by the SAT-3/WASC/SAFE and ACE cables.
Ownership and Funding
Initial financing combined equity from private investors, strategic telecommunications partners, and development finance institutions. Stakeholders included regional operators and infrastructure funds similar to those investing in projects by Africa50 and the International Finance Corporation. Corporate governance reflected private ownership structures with agreements on capacity allocation, open-access provisions, and commercial terms negotiated with major carriers and wholesale buyers. Partnerships with construction contractors and equipment vendors were governed by typical procurement frameworks used in multinational infrastructure projects involving entities like Siemens and export credit agencies.
Impact on West African Connectivity
Deployment improved international bandwidth availability, lowered wholesale prices, and enabled growth in cloud services, content delivery, and enterprise connectivity in markets such as Nigeria, Ghana, Sierra Leone, and The Gambia. The increased capacity supported mobile broadband expansion by operators like MTN Group and Airtel Africa, stimulated investments in data centers and cable landing station ecosystems akin to those developed by MainOne Datacenter and regional Internet exchanges, and facilitated participation in global platforms run by Amazon Web Services and Microsoft Azure. Enhanced connectivity influenced sectors including financial services linked to institutions like Central Bank of Nigeria and e-government initiatives across coastal capitals.
Incidents and Maintenance
Submarine cables in the region face risks from fishing activity, anchoring, geomorphological events, and ship traffic incidents similar to disruptions recorded on systems such as SAT-3/WASC/SAFE. Maintenance activities include scheduled repairs using cable ships, fault localization via optical time-domain reflectometry equipment supplied by vendors like EXFO, and coordination with coastal authorities including port administrations in Lagos Port Complex and Tema Harbour. Outage responses require multi-stakeholder coordination among operators, repair contractors, and regulators to restore service and implement mitigation measures such as route diversity and terrestrial backup links.