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Consumer Broadband Performance in the “Last Mile” Niall O’Reilly, UCD Computing Services RIPE-50, Stockholm, Sweden, May 2005
Consumer Broadband Performance in the “Last Mile”
Niall O’Reilly, UCD Computing ServicesRIPE-50, Stockholm, Sweden, May 2005
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
UCD Computing ServicesHEAnetIrish National Development PlanTobi OetikerVolunteer “customers”
Acknowledgements
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Performance in the “Last Mile”
BackgroundUCD’s monitoring projectInvitationAcknowledgements
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Background
Developing marketTechnologies: DSL, cable, FWA, satellite, WiMax, …Variety of service offerings“Information gap” for consumers
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Available Information
From the ISP:— capacity, contention ratio, priceFrom others:— WOM (word of mouth), surveys
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Available Information
From the ISP:— capacity, contention ratio, priceFrom others:— WOM (word of mouth), surveys
Both subjective — in different ways
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Available Information
From the ISP:— capacity, contention ratio, priceFrom others:— WOM (word of mouth), surveysBy measurement:— throughput, delay, packet loss
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Examples
Just some examples — plenty others, no recommendation!http://www.journaldunet.com/witbe/fai/adsl/classement_adsl.shtml— monthly league-table (FR)http://tptest.se/— self-service throughput test (SE)
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Monitoring Project at UCD
University College Dublin— Ireland’s largest universityNeed to monitor our own users at homeOpportunity for casting net widerSupported by HEAnet — Ireland’s NRENJust starting: no results yet!
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Monitoring Project: Aims
Probe consumer sites unobtrusivelyAs much variety as possibleGather informationUnderstand variation— technology, AP, ISP, country …
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Monitoring Project: Method
Voluntary subscriptionContinuous monitoring and display— Tobi Oetiker’s SmokePing — 20x ICMP Echo at 5’ intervalsCentral monitoring siteCustomer and reference probe sites
Monitoring Project: Paths
IX IX
ISPISP ISP
Customer
Access pt
Reference
Monitor Relationships between Sites
Monitoring Project: Paths
IX IX
ISPISP ISP
Customer
Access pt
Reference
Monitor Paths to Reference Sites
Monitoring Project: Paths
IX IX
ISPISP ISP
Customer
Access pt
Reference
Monitor Paths to Customer Sites
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
2 countries— IE: 6 probed sites— NL: 2 probed sites3 technologies— DSL, Cable, FWA6 providersNot yet on view
Monitoring Project: so far
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
IE:— 6 probed sites
2 technologies— DSL, FWA4 providersNot yet on view
Monitoring Project: so far
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
2 countries— IE: 6 probed sites— NL: 2 probed sites3 technologies— DSL, Cable, FWA6 providersNot yet on view
Monitoring Project: so far
<700µs
<23ms
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
2 countries— IE: 6 probed sites— NL: 2 probed sites3 technologies— DSL, Cable, FWA6 providersNot yet on view
Monitoring Project: so far
<700µs
<23ms
~30ms
<3.2s
~40ms
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Monitoring Project: Next Steps
Privacy policySelf-service subscriptionMore accessible serverAttract subscribersEngage ISPs, consumer groups/agencies
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Monitoring Project: Attractions
Consumer:— neutral, fact-based informationISP:— support trouble analysis— confirm effect of interventionGeneral: — promote quality infrastructure
Niall O’Reilly RIPE 50Consumer Broadband — Last Mile
Invitation
Private broadband connection ?Work from home ?Interested ?Drop me an e-mail:[email protected]
Consumer Broadband Performance in the “Last Mile”
Niall O’Reilly, UCD Computing ServicesRIPE-50, Stockholm, Sweden, May 2005
