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The South African NREN comprises of the following infrastructure:

  • a core national dark fibre backbone with several managed bandwidth backbone links at 100Gbps (in progress),
  • backbone extensions (regional links) – typically at 10Gbps,
  • back-hauling from the submarine cable landing stations at Yzerfontein and Mtunzini,
  • capacity on five undersea cables,and
  • several metropolitan area networks.

South African NREN Backbone Map: Terrestrial and undersea capacity

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