Publication: Troubleshooting PON networks effectively with carrier-grade ethernet and WDM-PON
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2014-02-19
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Tutors
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IEEE
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Abstract
WDM-PONs have recently emerged to provide dedicated and separated point-to-point wavelengths to individual optical network units. In addition, the recently standardized Ethernet OAM capabilities under the IEEE 802.1ag standard and ITU-T Recommendation Y.1731, together with state-of-the-art optical timedomain reflectometry provide new link-layer and physical tools for the effective troubleshooting of WDM-PONs. This article proposes an integrated troubleshooting box (ITB) for the effective combination of both physical and link-layer information into an effective and efficient set of management procedures for WDM-PONs. We show its applicability in a number of realistic troubleshooting scenarios, including failure situations involving either the feeder fiber, one of its branches, or even Ethernet links after the ONU.
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Keywords
Carrier grades, Efficient sets, Ethernet link, Ethernet oam, Management procedures, Optical network units, Optical time domain reflectometry, Physical tool, Ethernet, Passive optical networks, Optical fiber devices, Passive optical networks, Wavelength division multiplexing, Optical fiber testing, Optical fibers, Wavelength division multiplexing, Optical fibre LAN, Optical links
Bibliographic citation
IEEE Communications Magazine, 2014, 52 (2), pp. S7-S13.