Global DSL access concentrator port shipments decreased five per cent quarter on quarter during the past three months after recording three consecutive quarters of record shipments, new research has reported.
A newly published report by Dell'Oro Group suggests that higher demand in China fuelled an increase in port shipments to the Asia Pacific region.
North America experienced a sharp decline, however, with 35 per cent fewer ports shipped than in the previous quarter.
"The downturn in North America is not surprising given record levels of shipments in recent quarters and the concurrent flattening of subscriber additions," said Tam Dell'Oro, president of Dell'Oro Group.
"This has resulted in an excess capacity of ports in North American service provider networks.
"Developing regions including China, India and eastern Europe will account for a growing portion of the market in the coming years as we expect subscriber addition growth in these areas to outpace those in developed regions."
The report also indicates that, despite the slip in the North American market, Calix saw the greatest increase in port shipments and gained the most shares among all other manufacturers.
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