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INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague Andrew Lee [email protected] 1

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INTERNATIONAL NETWORKS At Indiana University 3 3 NetSage use cases 1.Current traffic patterns across IRNC links, and the ability to anticipate growth trends for capacity-planning purposes; 2.The main sources and sinks of large, elephant flows to know where to focus outreach and training opportunities; and 3.Where packet loss is occurring, whether the cause is congestion or other issues, and what impact it has on end-to-end performance. 3

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Page 1: INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague

INTERNATIONALNETWORKS

At Indiana University1 1

NetSage: An Open, Privacy-Aware, Network Measurement,

Analysis, and Visualization Service

GLIF 2015, PragueAndrew Lee

[email protected]

Page 2: INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague

INTERNATIONALNETWORKS

At Indiana University2

• Open, privacy-aware, network measurement, analysis, and visualization service

• Designed to address the needs of today’s international networks

Joint project with UC Davis, ESnet and U. Hawaiʻi

• Active and passive measurements over IRNC Backbones and Exchange Points

• Focus on privacy issues• Longitudinal network data

visualization services

Page 3: INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague

INTERNATIONALNETWORKS

At Indiana University3 3

3 NetSage use cases1. Current traffic patterns across IRNC links, and

the ability to anticipate growth trends for capacity-planning purposes;

2. The main sources and sinks of large, elephant flows to know where to focus outreach and training opportunities; and

3. Where packet loss is occurring, whether the cause is congestion or other issues, and what impact it has on end-to-end performance.

Page 4: INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague

INTERNATIONALNETWORKS

At Indiana University4 4

Privacy• Privacy is a top concern for many people• Our plan is that we do not store any PII to long term

storage ever• Data collected that potentially has PII in it will be

collected as close to the source as possible (such as a server directly attached to the router it is receiving it from)• Data will be anonymized, aggregated and/or meta-

tagged as appropriate before it is sent back to the central store over an encrypted connection• We are forming a privacy committee consisting of

people who are not directly part of the grant to advise us on privacy issues

Page 5: INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague

INTERNATIONALNETWORKS

At Indiana University5 5

Data we’re collecting• Active measurements using PerfSONAR• Throughput, loss, latency, and traceroute data

• Passive measurements • SNMP and (later) NetFlow/sFlow data• (Later-er) More in-depth flow analysis including

TCP retransmit analysis from Bro• Also hope to integrate alarm data from the IRNC

NOC• Data Anonymized to meet privacy concerns

Page 6: INTERNATIONAL NETWORKS At Indiana University 1 NetSage: An Open, Privacy-Aware, Network Measurement, Analysis, and Visualization Service GLIF 2015, Prague

INTERNATIONALNETWORKS

At Indiana University6 6

Questions/Comments?• Take aways:• Privacy• Utility• Cool looking

• Group Website:http://internationalnetworking.indiana.edu/

• Jennifer Schopf – [email protected] • Andrew Lee – [email protected]