CEOS GOIN Network Performance Testing

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CEOS - GOINNetwork Performance Testing

• WGISS-8
• Brighton, England
• May 1999

Andy Germain NASA GSFC - EOS
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CEOS and GOIN Virtual Networks
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Network Performance Tests

• Run Hourly
• Traceroute
• Route Details -- as desired?
• Number of hops -- route stability --gt Hops Chart
• Changes -- congestion analysis --gt Traceroute
  Chart
• Pings (100)
• Round Trip Time --gt RTT Chart
• Packet Loss --gt Packet loss Chart
• Throughput 30 Seconds
• averages, medians --gt Thruput Chart, Min-Max
  Chart
• Time sensitivity --gt Hourly Chart

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CEOS GOIN Performance Test Sites

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Performance Summary
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Performance Summary Explained

• Each vertical line shows 4 values for a site.
• Each value is the median over a time period of 4
  daily values, taken from the 24 daily tests
• Daily Maximum
• Daily Median
• Median during Business Hours
• Daily Minimum
• Three 6 month time periods shown per site

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Sample Hourly Chart
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CEOS Site Summary

• CCRS Testing resumed 12/98 Big Improvement!
• BHM 18 --gt 330 kbps
• CONAE No Thruput testing since 10/96
• CSIRO service degraded 13 December 1998
• BHM 93 --gt 28 kbps
• DLR Congestion builds on 90 Mbps DFN circuit
• BHM 13 kbps --gt 5.5 kbps
• ESRIN Testing restarted 10/98 -- via Internet
  (Dante)
• BHM 22 kbps, typical range 5-300 kbps BH
• Eumetsat New site (replaces ESOC) -- start
  testing soon
• IRE-RAS Disconnected 12/98 -- new ISP 4/99
• Perf testing resumed 22 April 99 -- via Internet
  BHM 16 kbps

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CEOS Site Summary

• Israel Improved performance - Terrestrial
  circuit
• Jan 99 BHM 10 --gt 49 kbps
• JRC Testing started 9/98 -- BHM 187 Kbps
• NASDA
• NASA E-1 dropped to 192 kbps Oct 98 to April 99
  (normally 512k)
• TransPac Route initiated 2 March 1999 BHM 214
  kbps
• University College London
• NASA dedicated ATM (Worldcom 2 Mbps) BHM 1.3
  Mbps
• UNEP Geneva Route
• Peak performance increased 7/16/98 200 -gt 280
  kbps
• But BHM dropped due to congestion 87 -gt 44 kbps

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GOIN Site Info

• NASDA -- see CEOS
• AIT (Thailand)
• Testing from NASDA
• 1 Mbps (?) Via Satellite to APAN Tokyo
• Philippines
• Via Internet Alternet to Ph.net
• 5-150 kbps
• Hawaii
• For GOIN99 March 1999
• Via DREN to MAE-W (DS-3)
• 2-3 Mbps

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CEOS Site Details (1 of 6)

• CCRS Testing resumed 12/98 Big Improvement!
• CCRS access circuit upgraded
• Business Hours Median (BHM) now 330 kbps (was 18)
• Route via CW (was MCI) to Chicago, then?
• CANet2 would be an improvement
• CONAE No Thruput testing since 10/96
• Continue? Stop Testing?
• Route stable at 11 hops, 350-500 ms, via CW to
  Telintar
• High packet loss -- often up to 40

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CEOS Site Details (2 of 6)

• CSIRO service degraded 13 December 1998
• Route switched in US
• from ALTERNET to SFO to Cerfnet to SFO
• Still using Optus in Australia
• Performance BHM was 93 kbps, now 28 kbps
• Typical daily range was 15-520, now 12-115
• DLR Congestion builds on 90 Mbps DFN circuit
• performance about 40 of previous 6 months --
  all hours
• No other apparent changes
• BHM now 5.5 kbps, was 13 kbps
• BH Max now 22, was 110
• Peak 100 kbps to 1.5 mbps -- median 600

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CEOS Site Details (3 of 6)

• ESRIN Testing restarted 10/98
• BHM 24 kbps, typical range 8-115 kbps BH
• Routing ALTERNET - Dante (NY) - GARRnet
  (Milan)-ESRIN
• seems fairly reliable but slow and congested
• Eumetsat New site (replaces ESOC)
• test software being installed
• start of testing expected 5/99
• INPE Host disconnected 8/98
• Try to restart?

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CEOS Site Details (4 of 6)

• IRE-RAS Disconnected 12/98
• last mile microwave link shut down
• Service re-established 7 April 1999
• New ISP (Relarn), routed via telianet, not via
  NASA circuit (yet)
• Performance testing resumed 22 April 1999 BHM
  16 kbps
• Israel Improved performance - Terrestrial
  circuit
• Thru Jan 98 RTT(min) 650 ms, BHM 10 kbps
• Feb-June 98 RTT Min 400 ms, BHM 16 kbps
• Assymetrical Route 1/2 satellite, 1/2
  terrestrial
• Jan-Feb 99 Terrestrial, RTT (min) 200 ms, BHM
  49 kbps

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CEOS Site Details (5 of 6)

• JRC Site added to testing 9/98
• BHM 187 Kbps (average daily peak close to 700
  Kbps)
• Route Alternet to SWITCH (NY) to JRC
• Moderate to High congestion
• NASDA
• Bandwidth on NASA E-1
• reduced from 512 kbps to 192 kbps 16 October 1998
• Increased to 512 kbps April 1999
• TransPac Route initiated 2 March 1999
• Performance over TransPac 100-600 kbps, BHM
  214 kbps

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CEOS Site Details (6 of 6)

• NSAU (Ukraine) -- No testing since 97
• University College London
• Working well on NASA dedicated ATM (2 Mbps)
  (Worldcom)
• BHM 1.3 Mbps, Min 1.2 Mbps
• UNEP Geneva Route
• Now using ALTERNET to NY, to Telianet.
• (Was BBNPlanet to NY, to Unisource)
• RTT Stable at 750-1000 ms
• Peak performance increased 7/16/98 200 -gt 280
  kbps
• However, BHM dropped due to congestion 87 -gt 44
  kbps
• NY Route no longer tested