One of Australia’s biggest telecoms carriers, Telstra, has conducted a successful 100 gigabits per second (100G) trial over an 2,038 kilometre stretch of existing fibre optic network using high-speed optical transport technology from Nortel.
The trial, conducted in July this year, also successfully tested 40 gigabits per second (40G) transport over 3,370 kilometres of fibre between the Australian cities of Sydney and Adelaide. Both 40G and 100G trials are believed to be the longest unregenerated distances ever successfully attempted using the technologies.
The key behind the successful trials is Nortel’s Dense Wavelength Division Multiplexing (DWDM) technology, and specifically innovations such as advanced digital signal processing with coherent detection, and superior Forward Error Correction (FEC). These technologies allow service providers to migrate to 40G and 100G technology using their existing 10G network infrastructure.
The demonstration is significant for Ireland as recent government announcements on the development of data infrastructure has indicated that high speed, fibre optic networks will be at the heart of such plans. The developments from Nortel could feature as interconnects between the proposed InTune Employing Optical Burst Packet Switching (OBPS) core network and existing infrastructure such as the Metropolitan Area Networks.
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