(Telecompaper) Australian operator Vocus is continuing its expansion with the acquisition of Nextgen Group's networks business for up to AUD 807 million. The company will acquire the North West Cable system and the other 50 percent held by Nextgen in the planned Australia Singapore Cable. The deal includes Nextgen's 17,000km national fibre network, the almostcompleted subsea Port Hedland to Darwin cable and the proposed Perth to Singapore subsea cable. Nextgen will continue to own its data centre business, Metronode, which operates as a separate entity.