perfsonar - in the south african nren

perfSONARin the South African NREN

Kevin Draai

kevin@sanren.ac.za

UbuntuNet Connect, 2015

SANReN Overview

Implemented from 2008 onwards.

National backbone capacity = 10Gbps.

SA NREN = SANReN and TENET.

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SANReN Topology

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perfSONAR Overview

Network measurement toolkit.

Tests: Throughput, loss and latency.

Latest version: 3.5.

Mesh Configuration.

Monitoring and Debugging Dashboard.

NDT and NPAD.

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perfSONAR in SANReN

Network measurement toolkit.

Tests: Throughput, loss and latency.

Mesh Configuration.

Dual-homed.

MaDDash.

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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

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Usefulness of perfSONAR in the SA NREN

Network tuning.

Host tuning.

Detecting path faults.

Suboptimal routing.

TCP and UDP Testing.

Mobile nodes.

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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

kevin@sanren.ac.za

http://perfsonar.sanren.ac.za

Kevin Draai (SANReN) perfSONAR UbuntuNet Connect, 2015 16 / 16