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Photonic Network Communications
Published in: Photonic Network Communications 3/2020

15-05-2020 | Original Paper

System innovations in open WDM DCI networks

Authors: Loukas Paraschis, Harald Bock, Abhinava Shivakumar Sadasivarao, Sharfuddin Syed, Bernd Sommerkorn-Krombholz, Jeff Rahn, Biao Lu, Joao Pedro, Paul Doolan, Parthiban Kandappan

Published in: Photonic Network Communications | Issue 3/2020

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Abstract

We review the most important WDM system innovations motivated by the evolution of DCI transport. State-of-the-art coherent transmission has already exceeded 6 b/s/Hz in transatlantic deployments. Moreover, the adoption of software innovations in automation and programmability, which DCI pioneered in transport networks, has also simplified operations and enables the emergence of open transport architectures. Combining these advances with emerging network analytic frameworks allows exciting innovations in network design and management optimization.
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Footnotes
1
The amount of per-device configuration changes for DC devices (DC routers) is significantly more than that of backbone devices (peering routers, WDM devices). Reference [47] states that 90% of backbone device samples have less than 500 updated lines per week, while only 50% of POP/DC samples are of the same size. Compared to > 700 lines of configuration changes for DC devices, backbone devices see about 150 updated lines per change.
 
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Metadata
Title
System innovations in open WDM DCI networks
Authors
Loukas Paraschis
Harald Bock
Abhinava Shivakumar Sadasivarao
Sharfuddin Syed
Bernd Sommerkorn-Krombholz
Jeff Rahn
Biao Lu
Joao Pedro
Paul Doolan
Parthiban Kandappan
Publication date
15-05-2020
Publisher
Springer US
Published in
Photonic Network Communications / Issue 3/2020
Print ISSN: 1387-974X
Electronic ISSN: 1572-8188
DOI
https://doi.org/10.1007/s11107-020-00888-7

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