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Page 1: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 1Bangkok, Thailand September 2000

CEOS-WGISS-Network SubgroupNetwork Performance Task TeamCEOS-WGISS-Network SubgroupNetwork Performance Task Team

Andrew Germain

CEOS WGISS NS-9

Bangkok, Thailand

September 2000

Page 2: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 2Bangkok, Thailand September 2000

Network Performance Testing Highlights

Network Performance Testing Highlights

• Up to the minute (hourly, actually) results now online:– http://corn.eos.nasa.gov/performance/Net_Health/CEOS_list.html

• Working toward implementing a European test source at UNEP-Norway

– Connected via Nordunet– DLR not participating

• Improved Peering– Abilene and CA*Net3 Providing International Transit

• Testing Changes:– Australia: CSIRO (Resumed 6-00)– Brazil: INPE (Resumed 6-00)-- two routes– Thailand: AIT (Added 7-00) -- two routes– Netherlands: SurfNet (Added 6-00)– Russia: CAO (SAGE III Project) Added (9-99)– UK: RAL (Added 7-00)– Malaysia: UKM (Stopped 1-00)– Russia: IRS-RAS (Stopped 2-00)

• Up to the minute (hourly, actually) results now online:– http://corn.eos.nasa.gov/performance/Net_Health/CEOS_list.html

• Working toward implementing a European test source at UNEP-Norway

– Connected via Nordunet– DLR not participating

• Improved Peering– Abilene and CA*Net3 Providing International Transit

• Testing Changes:– Australia: CSIRO (Resumed 6-00)– Brazil: INPE (Resumed 6-00)-- two routes– Thailand: AIT (Added 7-00) -- two routes– Netherlands: SurfNet (Added 6-00)– Russia: CAO (SAGE III Project) Added (9-99)– UK: RAL (Added 7-00)– Malaysia: UKM (Stopped 1-00)– Russia: IRS-RAS (Stopped 2-00)

Page 3: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 3Bangkok, Thailand September 2000

Virtual CEOSnet - September 2000Virtual CEOSnet - September 2000

NYC(60 Hudson)

Teleglobe

CSIRO(Australia)

DFN

RBnet

JARING(Malaysia)

NJ

Fla

DC

Geneva

Koln

GSFCMAE-E

NYC(60 Hudson)

Abilene

STARTAP

CA*NET3

ATT.net

CCRS

CMA(China)

Optus

Cable &Wireless

CONAE (Argentina)

Teleglobe

SFO

Chicago

AlterNet

START(Thailand)

SURFnet

JANET

PAO(Philipines)

UCL

NASDA

IMNet

KNMI

DANTE(TEN-155)

ILANIsrael

JRC

GARRMilan

DFN DLR

ESRIN

Commodity ISPs

(BBNPlanet, Verio, etc.)

RBnetMoscow IRE-RAS

Qwest EU-Xlink

EUmetsat

Swisscom

UNEP

NairobiBangkokSJCRBeijing

Norway

TelintAr

EmbratelINPE

(Brazil)

NISN

MIRNET

TransPAC(APAN)

MAXAIT

WIDE

WorldNet

Teleglobe

ANet

UMD

Oxford

RAL

IconiSoft

MAFF

CAO

GPN

EDC

MSFC/UAH

MichNetMSU

CNES

FranceTelecom

Sprintlink (Paris)

Wash DC

NYC(60 Hudson)

Teleglobe

CSIRO(Australia)

DFN

RBnet

JARING(Malaysia)

NJ

Fla

DC

Geneva

Koln

GSFCMAE-E

NYC(60 Hudson)

Abilene

STARTAP

CA*NET3

ATT.net

CCRS

CMA(China)

Optus

Cable &Wireless

CONAE (Argentina)

Teleglobe

SFO

Chicago

AlterNet

START(Thailand)

SURFnet

JANET

PAO(Philipines)

UCL

NASDA

IMNet

KNMI

DANTE(TEN-155)

ILANIsrael

JRC

GARRMilan

DFN DLR

ESRIN

Commodity ISPs

(BBNPlanet, Verio, etc.)

RBnetMoscow IRE-RAS

Qwest EU-Xlink

EUmetsat

Swisscom

UNEP

NairobiBangkokSJCRBeijing

Norway

TelintAr

EmbratelINPE

(Brazil)

NISN

MIRNET

TransPAC(APAN)

MAXAIT

WIDE

WorldNet

Teleglobe

ANet

UMD

Oxford

RAL

IconiSoft

MAFF

CAO

GPN

EDC

MSFC/UAH

MichNetMSU

CNES

FranceTelecom

Sprintlink (Paris)

Wash DC

Page 4: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 4Bangkok, Thailand September 2000

Bangkok Demos: Sept. 2000 Network Configuration

Bangkok Demos: Sept. 2000 Network Configuration

AITBangkok, TH

Demo Site, WFW

Worldnet

WIDE

Optus

SFO

ABone

AI3

MAE-W

SFODC

MAE-E

LAX

MilNet

CSIROHobart, AU

WFW

UNHNashua, NH

EOLI

ESRINFrascati, IT

EOLI

UKMMalaysia

TRFIC

NISN

DANTE(TEN-155)

NYAlterNet

GARR

Milan

NASA GSFCGreenbelt, MD

IDN, DIAL

JRCIspra, IT

WFW

Milan

IMNet

Tokyo

NASDA EOC, EORC, JP

Chicago

STARTAPTransPac

CA*NET3

CCRSOttawa, CA

OGC-WMT

Abilene

MD

MAXUMD

College Park, MD

MOCHA

Great PlainsNet

MSP

EDCSioux Falls, SD

Earth Explorer

MichNet

Mich StateE. Lansing, MI

TRFICDC

CNESTolouse, FR

SPOT

SprintLink

SFO

FranceTelecom

Paris

Chulalonkhorn UBangkok, TH

SeaStart

TeleglobeNY

A-Net

Tokyo

AI3

U of AlaHuntsville, AL

Space-Time Toolkit

IDN, DIALIDN, DIAL

MAFF/FPPRI, JP

ANDESANDES

GA

SOX

NY

Cable &Wireless

SFOEU NetNY

IconisoftBelgium

WFWNetwork Test Sink

Network Test Source

194.51.20.196 194.51.20.196

wfw.gvm.sai.jrc.it139.191.147.146

wfw.gvm.sai.jrc.it139.191.147.146

www.ionicsoft.com212.166.19.130

www.ionicsoft.com212.166.19.130

193.204.228.40193.204.228.40

gaia.umiacs.umd.edu128.8.119.110

gaia.umiacs.umd.edu128.8.119.110

35.8.163.12235.8.163.122

152.61.128.70, 152.61.128.32, 152.61.128.3

152.61.128.70, 152.61.128.32, 152.61.128.3

192.67.108.93chill.nsstc.uah.edu, 146.229.2.70theBeav.itsc.uah.edu

192.67.108.93chill.nsstc.uah.edu, 146.229.2.70theBeav.itsc.uah.edu

132.156.10.120132.156.10.120

globalchange.nasa.gov 128.183.165.61, dial.gsfc.nasa.gov,128.183.165.5

globalchange.nasa.gov 128.183.165.61, dial.gsfc.nasa.gov,128.183.165.5

csrc7.sr.unh.edu132.117.241.77

csrc7.sr.unh.edu132.117.241.77

202.185.60.222, 202.185.48.14

202.185.60.222, 202.185.48.14

wfw.eoc.csiro.au138.44.42.24

wfw.eoc.csiro.au138.44.42.24

seagis.start.or.th161.200.32.33

seagis.start.or.th161.200.32.33 wfw-thailand.acrors.ait.ac.th

203.159.29.107

wfw-thailand.acrors.ait.ac.th 203.159.29.107

Page 5: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 5Bangkok, Thailand September 2000

ESRIN - Bangkok DemoAbilene Transit Configuration

ESRIN - Bangkok DemoAbilene Transit Configuration

AITBangkok, TH

Demo Site, WFW

Worldnet

WIDE

AI3

LAX

ESRINFrascati, IT

EOLI

DANTE(TEN-155)

NYAlterNet

GARR

Milan

IMNet

Tokyo

Chicago

STARTAPTransPac

CA*NET3

Abilene

NY

Abilene is providing “Transit” between GARR (NY) and TransPac (Chicago)Abilene is providing “Transit” between GARR (NY) and TransPac (Chicago)

Page 6: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 6Bangkok, Thailand September 2000

NASA - Bangkok DemosNISN Reconfiguration

NASA - Bangkok DemosNISN Reconfiguration

AITBangkok, TH

Demo Site, WFW

WIDE

AI3

IMNet

Tokyo TransPac

NISN Reconfigured to support NASA - AIT via TransPac (Chicago) instead of Commodity Internet

NISN Reconfigured to support NASA - AIT via TransPac (Chicago) instead of Commodity Internet

SprintLinkWorldnet

DC

MAE-E

Chicago

STARTAP

U of AlaHuntsville, AL

NASA GSFCGreenbelt, MD

IDN, DIAL

GA

SOX

MD

MAX

Abilene

NISN

Page 7: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 7Bangkok, Thailand September 2000

CEOS & GOIN Performance Test Sites

CEOS & GOIN Performance Test Sites

Sink + Source CEOS Sink

GSFC

CCRS

NASDA

CSIRO

ESRIN

DLR

UCL

INPE

CONAE

EUMETSAT IRE-RAS

UNESCO

NSAU

ISRAEL

JRC

GOIN Sink

ISRO

START

UNEP

GOIN99AIT

NAMRIA

Stockholm

UNEP

UNEP

UNEP

UNEP

UKM

Sink + Source CEOS Sink

GSFC

CCRS

NASDA

CSIRO

ESRIN

DLR

UCL

INPE

CONAE

EUMETSAT IRE-RAS

UNESCO

NSAU

ISRAEL

JRC

GOIN Sink

ISRO

START

UNEP

GOIN99AIT

NAMRIA

Stockholm

UNEP

UNEP

UNEP

UNEP

UKM

Page 8: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 8Bangkok, Thailand September 2000

Site UpdatesSite Updates

• Argentina (CONAE): Performance improved 7-00– Thruput now about 300 kbps via Telintar

– Was 200 kbps previously (20 kbps in ‘96)

• Australia (CSIRO): Testing Resumed June 00– Performance 50-250 kbps until mid August, then 100-800 kbps– Route via Optus

• Brazil (INPE - Sao Paolo) : Now testing: 2 routes– Via NASA dedicated 64kbps circuit (IDN): 25 kbps steady

– Via Embratel (HSB): 10-650 kbps (median 25!)

» Upgrades planned 2*E1 -> E3 -> OC3

• Canada (CCRS- Ottawa): Stable since Sept. 99– Route stable -- direct peering between NISN and CA*Net3 in

Chicago -- to CCRS via a 5 mbps access circuit.

– Business Hours Median (BHM) 3 Mbps

• Argentina (CONAE): Performance improved 7-00– Thruput now about 300 kbps via Telintar

– Was 200 kbps previously (20 kbps in ‘96)

• Australia (CSIRO): Testing Resumed June 00– Performance 50-250 kbps until mid August, then 100-800 kbps– Route via Optus

• Brazil (INPE - Sao Paolo) : Now testing: 2 routes– Via NASA dedicated 64kbps circuit (IDN): 25 kbps steady

– Via Embratel (HSB): 10-650 kbps (median 25!)

» Upgrades planned 2*E1 -> E3 -> OC3

• Canada (CCRS- Ottawa): Stable since Sept. 99– Route stable -- direct peering between NISN and CA*Net3 in

Chicago -- to CCRS via a 5 mbps access circuit.

– Business Hours Median (BHM) 3 Mbps

Page 9: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 9Bangkok, Thailand September 2000

Page 10: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 10Bangkok, Thailand September 2000

Page 11: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 11Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 12Bangkok, Thailand September 2000

Page 13: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 13Bangkok, Thailand September 2000

Site Updates (cont.)Site Updates (cont.)

• China: START Regional Center– No performance testing since 8/99 (was 18 kbps)-- resume??

– Route via AT&T, satellite -- appears highly congested

– APAN would be better

• Germany: DLR (Oberpfaffenhofen): – Test host unresponsive since 7/99

• Germany: Eumetsat (Darmstadt): – Performance testing still not running -- try again?

– Still using EU-Xlink via Qwest

• Israel: Performance Stable– Route via direct peering with ILAN in Chicago

– Thruput steady at about 1.7 mbps, using TCP spoofing!

– Was about 100 kbps until Feb 00

– Datasink stopped in July 00 -- will try to restart.

• China: START Regional Center– No performance testing since 8/99 (was 18 kbps)-- resume??

– Route via AT&T, satellite -- appears highly congested

– APAN would be better

• Germany: DLR (Oberpfaffenhofen): – Test host unresponsive since 7/99

• Germany: Eumetsat (Darmstadt): – Performance testing still not running -- try again?

– Still using EU-Xlink via Qwest

• Israel: Performance Stable– Route via direct peering with ILAN in Chicago

– Thruput steady at about 1.7 mbps, using TCP spoofing!

– Was about 100 kbps until Feb 00

– Datasink stopped in July 00 -- will try to restart.

Page 14: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 14Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 15Bangkok, Thailand September 2000

Site Updates (cont.)Site Updates (cont.)

• Italy (ESRIN - Frascati): Improved on 15 July 00– BHM increased to 970 kbps (was 55 kbps prev)

– Typical daily range 350-1500 kbps

– Due in part to NASA use of Abilene to get to Garr in NY

» Avoids congestion at MAE-E

• Italy (CEO/JRC - Ispra): Datasink down July 00– BH Median increased to about 900 kbps in April 00 (was 140 Kbps);

average daily peak is down to about 1300 kbps (was 1700)

– New Route: AlterNet all the way! Reduced congestion.

• Malaysia (UKM): Testing stopped June 00– Thruput tested 19-20 Jan 2000: 30 kbps

– Route via ATT.net, satellite

• Italy (ESRIN - Frascati): Improved on 15 July 00– BHM increased to 970 kbps (was 55 kbps prev)

– Typical daily range 350-1500 kbps

– Due in part to NASA use of Abilene to get to Garr in NY

» Avoids congestion at MAE-E

• Italy (CEO/JRC - Ispra): Datasink down July 00– BH Median increased to about 900 kbps in April 00 (was 140 Kbps);

average daily peak is down to about 1300 kbps (was 1700)

– New Route: AlterNet all the way! Reduced congestion.

• Malaysia (UKM): Testing stopped June 00– Thruput tested 19-20 Jan 2000: 30 kbps

– Route via ATT.net, satellite

Page 16: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 16Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 17Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 18Bangkok, Thailand September 2000

Page 19: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 19Bangkok, Thailand September 2000

Site Updates (cont.)Site Updates (cont.)

• Japan (NASDA EOC - Hatoyama): 2 routes– NASA-NASDA removed private E1 and installed private 3 mbps

ATM service on 8 Feb 2000 -- for mission support only.

» Performance stable - typically 1.9 mbps

– Now using TransPAC for Science traffic

» Performance stable - typically 1.4 Mbps

• Japan (Tokai Univ -Tokyo) : – Testing started 9-99 (FTP) -- Results stable

– Typical range 50-370 kbps (median = 230 kbps)

– Route now via AlterNet to Tokyo

• Netherlands (SurfNet): testing started May 00– Route from GSFC initially via Commodity Internet to SurfNet in NY,

started using Abilene in July 00

– Performance initially 2-3 mbps, now 10-18 mbps

• Japan (NASDA EOC - Hatoyama): 2 routes– NASA-NASDA removed private E1 and installed private 3 mbps

ATM service on 8 Feb 2000 -- for mission support only.

» Performance stable - typically 1.9 mbps

– Now using TransPAC for Science traffic

» Performance stable - typically 1.4 Mbps

• Japan (Tokai Univ -Tokyo) : – Testing started 9-99 (FTP) -- Results stable

– Typical range 50-370 kbps (median = 230 kbps)

– Route now via AlterNet to Tokyo

• Netherlands (SurfNet): testing started May 00– Route from GSFC initially via Commodity Internet to SurfNet in NY,

started using Abilene in July 00

– Performance initially 2-3 mbps, now 10-18 mbps

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Andy Germain CEOS-WGISS-NS-9 Page 20Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 21Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 22Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 23Bangkok, Thailand September 2000

Site Updates (cont.)Site Updates (cont.)

• Russia (IRE-RAS - Moscow): Sink down since 2/24– Current Route is via Internet -- Rostelecom, Relarn

– Other possibilities: MIRnet, or NASA dedicated circuit

– Performance was BHM = 14 kbps, Daily range = 3 - 260 kbps

• Russia (CAO): SAGE III Project– Route currently via Teleglobe -- plan to use NASA dedicated circuit

– Performance typically 7-56 kbps; median 25

• Thailand (AIT): Testing via 2 routes– Good Route: Abilene-TransPac-APAN: 75-260 kbps (median 200)

– Commodity Route: AlterNet-WorldNet: 8-160 kbps (median 20)

• Thailand (SeaStart) : Performance dropped June 00– now: Median BH = 25 kbps, Typical daily peak = 75 kbps– was: Median BH = 54 kbps, Typical daily peak = 136 kbps– Route via Commodity Internet -> NY, then Teleglobe via satellite

» Serious congestion

• Russia (IRE-RAS - Moscow): Sink down since 2/24– Current Route is via Internet -- Rostelecom, Relarn

– Other possibilities: MIRnet, or NASA dedicated circuit

– Performance was BHM = 14 kbps, Daily range = 3 - 260 kbps

• Russia (CAO): SAGE III Project– Route currently via Teleglobe -- plan to use NASA dedicated circuit

– Performance typically 7-56 kbps; median 25

• Thailand (AIT): Testing via 2 routes– Good Route: Abilene-TransPac-APAN: 75-260 kbps (median 200)

– Commodity Route: AlterNet-WorldNet: 8-160 kbps (median 20)

• Thailand (SeaStart) : Performance dropped June 00– now: Median BH = 25 kbps, Typical daily peak = 75 kbps– was: Median BH = 54 kbps, Typical daily peak = 136 kbps– Route via Commodity Internet -> NY, then Teleglobe via satellite

» Serious congestion

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Andy Germain CEOS-WGISS-NS-9 Page 24Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 25Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 26Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 27Bangkok, Thailand September 2000

Site Updates (cont.)Site Updates (cont.)

• UK– Added tests to RAL and JAnet core (in addition to UCL and Oxford)

from GSFC and JPL– Three routes:

» NASA dedicated ATM (VC = 2 Mbps) • GSFC, LaRC - UCL thruput Steady -- BH: Median = 1.3 Mbps, Min = 1.2 Mbps• GSFC - Oxford: 0.7-1.7 mbps via NASA-dedicated ckt. to JAnet in London

» JAnet peering in NY: GSFC via AlterNet • 28 - 4500 kbps (BHM= 900) Highly Congested (in US)

» JAnet peering in NY: GSFC, JPL via Abilene• GSFC - JAnet: Improved: 16-23 Mbps typ (was 2.7 mbps).• JPL - JAnet peaks over 10 mbps • GSFC - RAL 10-15 mbps via Abilene-JAnet

• UK– Added tests to RAL and JAnet core (in addition to UCL and Oxford)

from GSFC and JPL– Three routes:

» NASA dedicated ATM (VC = 2 Mbps) • GSFC, LaRC - UCL thruput Steady -- BH: Median = 1.3 Mbps, Min = 1.2 Mbps• GSFC - Oxford: 0.7-1.7 mbps via NASA-dedicated ckt. to JAnet in London

» JAnet peering in NY: GSFC via AlterNet • 28 - 4500 kbps (BHM= 900) Highly Congested (in US)

» JAnet peering in NY: GSFC, JPL via Abilene• GSFC - JAnet: Improved: 16-23 Mbps typ (was 2.7 mbps).• JPL - JAnet peaks over 10 mbps • GSFC - RAL 10-15 mbps via Abilene-JAnet

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Andy Germain CEOS-WGISS-NS-9 Page 28Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 29Bangkok, Thailand September 2000

Site Updates (cont.)Site Updates (cont.)

• UNEP: testing to 6 sites via Geneva to UNEP satellites– Increasing congestion noted to Geneva (thus all sites) from 6/00– Test Host changes 15 July improving performance somewhat– Geneva: Daily peaks still typ 400 kbps, but dips now 100 (were 300)– Norway: decreased 2 June now 50-100 kbps (was 100-200 kbps)– Beijing: now 40-80 kbps (was 60 kbps steady)– Bangkok: now steady at 40 kbps– Nairobi: now 50-230 kbps (was 120 kbps steady)– Costa Rica: still 90 kbps steady, with congestion building.

• UNEP: testing to 6 sites via Geneva to UNEP satellites– Increasing congestion noted to Geneva (thus all sites) from 6/00– Test Host changes 15 July improving performance somewhat– Geneva: Daily peaks still typ 400 kbps, but dips now 100 (were 300)– Norway: decreased 2 June now 50-100 kbps (was 100-200 kbps)– Beijing: now 40-80 kbps (was 60 kbps steady)– Bangkok: now steady at 40 kbps– Nairobi: now 50-230 kbps (was 120 kbps steady)– Costa Rica: still 90 kbps steady, with congestion building.

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Andy Germain CEOS-WGISS-NS-9 Page 30Bangkok, Thailand September 2000

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Andy Germain CEOS-WGISS-NS-9 Page 31Bangkok, Thailand September 2000

Page 32: Andy Germain CEOS-WGISS-NS-9 Page 1 Bangkok, Thailand September 2000 CEOS-WGISS-Network Subgroup Network Performance Task Team Andrew Germain CEOS WGISS.

Andy Germain CEOS-WGISS-NS-9 Page 32Bangkok, Thailand September 2000

Real Time On-line ResultsReal Time On-line Results

• Up to the minute (hourly, actually) results online:– real soon now

– http://corn.eos.nasa.gov/performance/Net_Health/CEOS_list.html

• Up to the minute (hourly, actually) results online:– real soon now

– http://corn.eos.nasa.gov/performance/Net_Health/CEOS_list.html


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