perfsonar deployment
DESCRIPTION
PerfSONAR deployment. Campana , McKee. From Oslo … . Shawn’s presentation in Oslo summarizes perfectly the current situation and the forthcoming challenges https://indico.cern.ch/getFile.py/access?contribId=3&resId=1&materialId=slides&confId=196896 - PowerPoint PPT PresentationTRANSCRIPT
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PerfSONAR deployment
Campana, McKee
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Simone Campana - ATLAS SW&C Week 2
• Shawn’s presentation in Oslo summarizes perfectly the current situation and the forthcoming challenges– https://indico.cern.ch/getFile.py/access?contribId=3&resI
d=1&materialId=slides&confId=196896
• Increasing number of sites demands to reconsider the deployment, operations and monitoring model– How to configure perfSONAR boxes in a large NxN
channel matrix (today static)?– How to operate in a way that all channels are tested but
not congested?– How to visualize a O(100)xO(100) number of links?
From Oslo …
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Simone Campana - ATLAS SW&C Week 3
• Focus on the sites (and links) of primary importance for experiments– list to be built
• Get perfSONAR properly handled at the WLCG level– Publication in GOC, downtimes etc ..
• Get perfSONAR installed and configured at least for testing cloud/region/country links– Instructions from various experiments need some
consolidation
How to start: some ideas
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Simone Campana - ATLAS SW&C Week 4
• Very promising development from Internet2 on mesh configuration: test and deploy on candidate region– US is the obvious candidate, then extend
• Define with the experiments rates and frequency of tests for various classes of links– Testing the full mesh at the current rate would congest
many links• Extend perfSONAR dashboard so that it can cope
with the full mash– Sorting, filtering, …
With some new development
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Simone Campana - ATLAS SW&C Week 5
• This is not going to be a short time effort.
• Some development is also needed
• Main experts from various experiments will be contacted soon
Conclusions