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・ IPod click wheel
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IPoDWDM
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IPoDWDM : ウィキペディア英語版
IPoDWDM
IP over DWDM (IPoDWDM) is a technology used in telecommunications networks to integrate IP Routers and Switches in the OTN (Optical Transport Network).
A true IPoDWDM solution is implemented only when the IP Routers and Switches support ITU-T G.709.〔“Interfaces for Optical Transport Network (OTN)”, ITU-T G.709/Y.1331〕 In this way IP devices can monitor the optical path and implement the transport functionality as FEC (Forward Error Correction) specified by ITU-T G.709/Y.1331〔 or Super FEC functionality defined in ITU-T G.975.1.〔“Forward error correction for high bit-rate DWDM submarine systems”, ITU-T G.975.1〕
== Benefits ==
This approach saves network components including shelves, processors, interfaces cards and hence it permits to reduce the power consumption, OPEX (Operational expenditure) and CAPEX (capital expenditure).
This approach brings also a simplification of the network, eliminating the SDH/SONET intermediate layer.〔Virgilio Puglia, Olga Zadedyurina, (“optical transport networks: from all-optical to digital” ), IEEE,31/08/2009 ISBN 978-92-61-12891-3〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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