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Managing your timing system as a standard Ethernet network

White Rabbit (WR) is an extension of Ethernet which allows deterministic data delivery and remote synchronization of nodes with accuracies below 1 nanosecond and jitter better than 10 ps. Because WR is Ethernet, a WR-based timing system can benefit from all standard network protocols and tools avail...

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Autores principales: Wujek, Adam, Daniluk, Grzegorz, Lipinski, Maciej, Rubini, Alessandro
Lenguaje:eng
Publicado: 2018
Materias:
Acceso en línea:https://dx.doi.org/10.18429/JACoW-ICALEPCS2017-TUSH303
http://cds.cern.ch/record/2305502
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author Wujek, Adam
Daniluk, Grzegorz
Lipinski, Maciej
Rubini, Alessandro
author_facet Wujek, Adam
Daniluk, Grzegorz
Lipinski, Maciej
Rubini, Alessandro
author_sort Wujek, Adam
collection CERN
description White Rabbit (WR) is an extension of Ethernet which allows deterministic data delivery and remote synchronization of nodes with accuracies below 1 nanosecond and jitter better than 10 ps. Because WR is Ethernet, a WR-based timing system can benefit from all standard network protocols and tools available in the Ethernet ecosystem. This paper describes the configuration, monitoring and diagnostics of a WR network using standard tools. Using the Simple Network Management Protocol (SNMP), clients can easily monitor with standard monitoring tools like Nagios, Icinga and Grafana e.g. the quality of the data link and synchronization. The former involves e.g. the number of dropped frames; The latter concerns parameters such as the latency of frame distribution and fibre delay compensation. The Link Layer Discovery Protocol (LLDP) allows discovery of the actual topology of a network. Wireshark and PTP Track Hound can intercept and help with analysis of the content of WR frames of live traffic. In order to benefit from time-proven, scalable, standard monitoring solutions, some development was needed in the WR switch and nodes. The paper describes these developments and shows many examples of the benefits brought about by this strategy.
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language eng
publishDate 2018
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spelling oai-inspirehep.net-16562932019-09-30T06:29:59Zdoi:10.18429/JACoW-ICALEPCS2017-TUSH303http://cds.cern.ch/record/2305502engWujek, AdamDaniluk, GrzegorzLipinski, MaciejRubini, AlessandroManaging your timing system as a standard Ethernet networkAccelerators and Storage RingsWhite Rabbit (WR) is an extension of Ethernet which allows deterministic data delivery and remote synchronization of nodes with accuracies below 1 nanosecond and jitter better than 10 ps. Because WR is Ethernet, a WR-based timing system can benefit from all standard network protocols and tools available in the Ethernet ecosystem. This paper describes the configuration, monitoring and diagnostics of a WR network using standard tools. Using the Simple Network Management Protocol (SNMP), clients can easily monitor with standard monitoring tools like Nagios, Icinga and Grafana e.g. the quality of the data link and synchronization. The former involves e.g. the number of dropped frames; The latter concerns parameters such as the latency of frame distribution and fibre delay compensation. The Link Layer Discovery Protocol (LLDP) allows discovery of the actual topology of a network. Wireshark and PTP Track Hound can intercept and help with analysis of the content of WR frames of live traffic. In order to benefit from time-proven, scalable, standard monitoring solutions, some development was needed in the WR switch and nodes. The paper describes these developments and shows many examples of the benefits brought about by this strategy.oai:inspirehep.net:16562932018
spellingShingle Accelerators and Storage Rings
Wujek, Adam
Daniluk, Grzegorz
Lipinski, Maciej
Rubini, Alessandro
Managing your timing system as a standard Ethernet network
title Managing your timing system as a standard Ethernet network
title_full Managing your timing system as a standard Ethernet network
title_fullStr Managing your timing system as a standard Ethernet network
title_full_unstemmed Managing your timing system as a standard Ethernet network
title_short Managing your timing system as a standard Ethernet network
title_sort managing your timing system as a standard ethernet network
topic Accelerators and Storage Rings
url https://dx.doi.org/10.18429/JACoW-ICALEPCS2017-TUSH303
http://cds.cern.ch/record/2305502
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AT danilukgrzegorz managingyourtimingsystemasastandardethernetnetwork
AT lipinskimaciej managingyourtimingsystemasastandardethernetnetwork
AT rubinialessandro managingyourtimingsystemasastandardethernetnetwork