perfsonar - in the south african nren

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perfSONAR in the South African NREN Kevin Draai [email protected] UbuntuNet Connect, 2015

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Page 1: perfSONAR - in the South African NREN

perfSONARin the South African NREN

Kevin Draai

[email protected]

UbuntuNet Connect, 2015

Page 2: perfSONAR - in the South African NREN

SANReN Overview

Implemented from 2008 onwards.

National backbone capacity = 10Gbps.

SA NREN = SANReN and TENET.

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Page 3: perfSONAR - in the South African NREN

SANReN Topology

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Page 4: perfSONAR - in the South African NREN

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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Page 5: perfSONAR - in the South African NREN

perfSONAR in SANReN

Network measurement toolkit.

Tests: Throughput, loss and latency.

Mesh Configuration.

Dual-homed.

MaDDash.

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Page 6: perfSONAR - in the South African NREN

SANReN perfSONAR Topology

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Page 7: perfSONAR - in the South African NREN

http://perfsonar.sanren.ac.za/

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Page 8: perfSONAR - in the South African NREN

http://stats.es.net/ServicesDirectory

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Page 9: perfSONAR - in the South African NREN

http://psma.sanren.ac.za/maddash-webui

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Page 10: perfSONAR - in the South African NREN

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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Page 11: perfSONAR - in the South African NREN

Routing Problem

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Page 12: perfSONAR - in the South African NREN

Buffer Tuning Problem

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Page 13: perfSONAR - in the South African NREN

National Backbone Faulty Link

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Page 14: perfSONAR - in the South African NREN

Another Example

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Page 15: perfSONAR - in the South African NREN

Long Path Latency and Loss

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Page 16: perfSONAR - in the South African NREN

?

Thanks!

Next steps - alerts, mobile nodes, community engagement

[email protected]

http://perfsonar.sanren.ac.za

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