perfsonar - in the south african nren
TRANSCRIPT
SANReN Overview
Implemented from 2008 onwards.
National backbone capacity = 10Gbps.
SA NREN = SANReN and TENET.
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 2 / 16
SANReN Topology
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 3 / 16
perfSONAR Overview
Network measurement toolkit.
Tests: Throughput, loss and latency.
Latest version: 3.5.
Mesh Configuration.
Monitoring and Debugging Dashboard.
NDT and NPAD.
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 4 / 16
perfSONAR in SANReN
Network measurement toolkit.
Tests: Throughput, loss and latency.
Mesh Configuration.
Dual-homed.
MaDDash.
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 5 / 16
SANReN perfSONAR Topology
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http://perfsonar.sanren.ac.za/
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http://stats.es.net/ServicesDirectory
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http://psma.sanren.ac.za/maddash-webui
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 9 / 16
Usefulness of perfSONAR in the SA NREN
Network tuning.
Host tuning.
Detecting path faults.
Suboptimal routing.
TCP and UDP Testing.
Mobile nodes.
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 10 / 16
Routing Problem
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Buffer Tuning Problem
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National Backbone Faulty Link
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Another Example
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Long Path Latency and Loss
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?
Thanks!
Next steps - alerts, mobile nodes, community engagement
http://perfsonar.sanren.ac.za
Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 16 / 16