Abstract
In this paper, a reliable Wavelength-Division-Multiplexing Passive Optical Network (WDM-PON) system is proposed. It can provide the protection against both the feeder fiber failure and the distribution fiber failure. When the fiber failure occurs, the corresponding switches in the OLT and in the ONU can switch to the protection link without affecting the users in normal status. That is to say, the protection for one ONU is independent of the other ONUs.
Received: 2011-06-26
Accepted: 2011-09-26
Published Online: 2011-December
Published in Print: 2011-December
Copyright 2011 De Gruyter
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