SAT-3/WASC (original) (raw)
SAT-3/WASC or South Atlantic 3/West Africa Submarine Cable is a submarine communications cable linking Portugal and Spain to South Africa, with connections to several West African countries along the route. It forms part of the SAT-3/WASC/SAFE cable system, where the SAFE cable links South Africa to Asia. The SAT-3/WASC/SAFE system provides a path between Asia and Europe for telecommunications traffic that is an alternative to the cable routes that pass through the Middle East, such as SEA-ME-WE 3 and FLAG. SAT-3 has a capacity of 340 Gbit/s while SAFE has a capacity of 440 Gbit/s. The SAT-3 system together with SAFE was built by a consortium of operators . As of 2006, major investors included Telkom Group (about 13%), France Telecom (12.08%), Nitel (8.39%); TCI, a subsidiary of AT&T Inc.
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| dbo:abstract | SAT-3/WASC or South Atlantic 3/West Africa Submarine Cable is a submarine communications cable linking Portugal and Spain to South Africa, with connections to several West African countries along the route. It forms part of the SAT-3/WASC/SAFE cable system, where the SAFE cable links South Africa to Asia. The SAT-3/WASC/SAFE system provides a path between Asia and Europe for telecommunications traffic that is an alternative to the cable routes that pass through the Middle East, such as SEA-ME-WE 3 and FLAG. SAT-3 has a capacity of 340 Gbit/s while SAFE has a capacity of 440 Gbit/s. The SAT-3 system together with SAFE was built by a consortium of operators . As of 2006, major investors included Telkom Group (about 13%), France Telecom (12.08%), Nitel (8.39%); TCI, a subsidiary of AT&T Inc. (12.42%); and VSNL (8.93%). (en) South Africa Transit 3/West Africa Submarine Cable (SAT-3/WASC) est un câble sous-marin de télécommunications en fibres optiques qui relie l'Europe à l'Afrique du Sud avec des dérivations dans de nombreux pays d'Afrique de l'ouest contrairement à son prédécesseur . Son déploiement est intimement lié à celui du câble SAFE. L'ensemble SAT 3/WASC & SAFE fait partie d'un seul consortium constitué de 37 opérateurs. Ceci permet, outre la desserte de l'Afrique de l'ouest, d'assurer une sécurisation du trafic Europe/Asie (SEA-ME-WE 3 entre autres) par le sud de l'Afrique. Le consortium est actuellement dirigé par Telkom SA qui assure également la fonction d'administrateur du réseau. Son architecture est constituée de deux segments, un nord et un sud. Les deux segments sont croisés, c'est-à-dire que les deux dernières stations du nord et les deux premières du sud sont identiques. Cette architecture permet une indépendance renforcée de la partie sous-marine en fournissant une diversification des atterrissements. Long de 14 000 km, il a été mis en service en 2001. Il est constitué de deux paires de fibres sauf pour la liaison entre l'Espagne continentale et les Canaries où deux paires privées ont été ajoutées à l'usage exclusif de Telefonica. Il utilise dès l'origine les technologies de multiplexage en longueur d'onde (WDM) et de hiérarchie numérique synchrone (SDH). On note également l'usage de la technologie OADM dans la majorité des unités de dérivation de branche du segment sud.À l'origine d'une capacité de 40Gb/s par paire de fibre, il a subi trois augmentations de capacité portant sur la densification des longueurs d'onde. Sa capacité est aujourd'hui de 340Gb/s pour le segment sud et de 420Gb/s pour le segment nord. (fr) |
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| gold:hypernym | dbr:Cable |
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| rdfs:comment | SAT-3/WASC or South Atlantic 3/West Africa Submarine Cable is a submarine communications cable linking Portugal and Spain to South Africa, with connections to several West African countries along the route. It forms part of the SAT-3/WASC/SAFE cable system, where the SAFE cable links South Africa to Asia. The SAT-3/WASC/SAFE system provides a path between Asia and Europe for telecommunications traffic that is an alternative to the cable routes that pass through the Middle East, such as SEA-ME-WE 3 and FLAG. SAT-3 has a capacity of 340 Gbit/s while SAFE has a capacity of 440 Gbit/s. The SAT-3 system together with SAFE was built by a consortium of operators . As of 2006, major investors included Telkom Group (about 13%), France Telecom (12.08%), Nitel (8.39%); TCI, a subsidiary of AT&T Inc. (en) South Africa Transit 3/West Africa Submarine Cable (SAT-3/WASC) est un câble sous-marin de télécommunications en fibres optiques qui relie l'Europe à l'Afrique du Sud avec des dérivations dans de nombreux pays d'Afrique de l'ouest contrairement à son prédécesseur . Son déploiement est intimement lié à celui du câble SAFE. L'ensemble SAT 3/WASC & SAFE fait partie d'un seul consortium constitué de 37 opérateurs. Ceci permet, outre la desserte de l'Afrique de l'ouest, d'assurer une sécurisation du trafic Europe/Asie (SEA-ME-WE 3 entre autres) par le sud de l'Afrique. Le consortium est actuellement dirigé par Telkom SA qui assure également la fonction d'administrateur du réseau. (fr) |
| rdfs:label | South Africa Transit 3/West Africa Submarine Cable (fr) SAT-3/WASC (en) |
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| foaf:homepage | https://web.archive.org/web/20130203050056/http:/www.safe-sat3.co.za/ |
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