Andy Germain CEOS-WGISS-NS-13 Page 1 Washington, DC Sept. 2002 CEOS-WGISS-Network Subgroup Network...

Andy Germain CEOS-WGISS-NS-13 Washington, DC Sept. 2002

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

Andrew Germain

CEOS WGISS NS-13

Washington DC

September 2002


Network Performance Testing Highlights

Network Performance Testing Highlights

• Daily results online:– http://corn.eos.nasa.gov/performance/Net_Health/CEOS.list.html

• Testing Changes:– CSIRO test node down since Mid May– Restarted testing to Israel (again)

• Active Sources:– GSFC– AIT, GISTDA– NASDA: Testing temporarily stopped 17 January '02

» Restarted Sept. '02– Looking for a replacement European host

» Norway still down• Carrier volatility

– KPNqwest– GBLX– Teleglobe– WCI

• Daily results online:– http://corn.eos.nasa.gov/performance/Net_Health/CEOS.list.html

• Testing Changes:– CSIRO test node down since Mid May– Restarted testing to Israel (again)

• Active Sources:– GSFC– AIT, GISTDA– NASDA: Testing temporarily stopped 17 January '02

» Restarted Sept. '02– Looking for a replacement European host

» Norway still down• Carrier volatility

– KPNqwest– GBLX– Teleglobe– WCI


Virtual CEOSnet - August 2002Virtual CEOSnet - August 2002

CSIRO(Australia)

DFN

Miami

DC

NYC

Abilene

CA*NET4

CCRS

CONAE(Argentina)

Rostelecom

STAR TAPSTAR Light

Chicago

(Thailand)

SURFnet

JANET

UCL

NASDA

IMNet

KNMI

GEANT

ILAN Israel

JRC

GARRMilan

DFN DLR

ESRIN

RBnet Moscow

IRE-RAS

MFN

EUmetsat

ANSPINPE(Brazil)

NISN

NaukaNET

SInet

UMD

Oxford

RAL

MAFF

CAOEDC

MSFC/UAH

CNES

Sprintlint

(Paris)

MAE-EWash DC

vBNS+

AIT

NY

GSFC

MAX

GISTDA LA

AARnet

MIA

AMPATH

Retina(Argentina)

C & W

TokyoXP

APAN TransPAC

GITS

Active

Inactive

Source

Test Nodes:Test Nodes:Test Nodes:Test Nodes:

UUNet

Teleglobe

AT&T

FranceTelecomComsat

Russia

UNInet

PNWSeattle


CEOS & GOIN Performance Test Sites

CEOS & GOIN Performance Test Sites

Sink + Source CEOS Sink

GSFC

CCRS

NASDA

CSIRO

ESRIN

DLR

RAL,UCL,Oxford

INPE

CONAERetina

EUMETSAT IRE-RASCAO

ISRAEL

JRC

GOIN Sink

ISRO

UNEP

AIT, GISTDA

NAMRIAUNEP

UNEP

UNEP

UNEP

UKM

KNMI


Site Update: ArgentinaSite Update: Argentina

• CONAE– Route via Comsat from Miami

» BH range improved to 900-1700 kbps (was 500-1600 kbps)

• Retina: Research Network– Also testing via Abilene / AMPATH to Retina test node

» Thruput is limited by window size at destination » 32 KB windows @ 170 ms RTT 1.4 mbps per stream» Using 9 streams to achieve 13 mbps aggregate thruput

• CONAE– Route via Comsat from Miami

» BH range improved to 900-1700 kbps (was 500-1600 kbps)

• Retina: Research Network– Also testing via Abilene / AMPATH to Retina test node

» Thruput is limited by window size at destination » 32 KB windows @ 170 ms RTT 1.4 mbps per stream» Using 9 streams to achieve 13 mbps aggregate thruput


Site Update: AustraliaSite Update: Australia

• CSIRO: Testing down since May '02– Route via Abilene / PNW / AARnet since April '02– BHM 1.9 mbps

• CSIRO: Testing down since May '02– Route via Abilene / PNW / AARnet since April '02– BHM 1.9 mbps


Site Updates - BrazilSite Updates - Brazil

• INPE (Sao Paolo) : Upgrade to AMPATH– NASA dedicated 64kbps circuit (IDN) discontinued Jan '01– IDN node down since 2 July 01 – HSB: Route via Abilene --> AMPATH (Mia) --> ANSP

» Performance: 400-1500 kbps (median 1000)

• INPE (Sao Paolo) : Upgrade to AMPATH– NASA dedicated 64kbps circuit (IDN) discontinued Jan '01– IDN node down since 2 July 01 – HSB: Route via Abilene --> AMPATH (Mia) --> ANSP

» Performance: 400-1500 kbps (median 1000)


Site Updates - CanadaSite Updates - Canada

• CCRS (Ottawa): Stable performance– Route via Abilene, StarTap (Chicago), CA*Net4, Onet– Peaks over 6 mbps -- BH Median 5.7 mbps– Also testing to Univ. Toronto via similar route

» recent median 24 mbps! – Testing from NASDA restarted Sept. '02

• CCRS (Ottawa): Stable performance– Route via Abilene, StarTap (Chicago), CA*Net4, Onet– Peaks over 6 mbps -- BH Median 5.7 mbps– Also testing to Univ. Toronto via similar route

» recent median 24 mbps! – Testing from NASDA restarted Sept. '02


Site Update - GermanySite Update - Germany

• Germany: – DLR (Oberpfaffenhofen): Test host unresponsive since July '99

» Route via Geant, DFN– Eumetsat (Darmstadt)

» New route June '02: MFN to Darmstadt (previously KPNQwest)» Performance improved:

• BHMedian = 2.4 mbps, typical range = 0.6 to 3.3 mbps• Previously BHMedian = 500 kbps, typical range = 0.1 to 1.7 mbps

• Germany: – DLR (Oberpfaffenhofen): Test host unresponsive since July '99

» Route via Geant, DFN– Eumetsat (Darmstadt)

» New route June '02: MFN to Darmstadt (previously KPNQwest)» Performance improved:

• BHMedian = 2.4 mbps, typical range = 0.6 to 3.3 mbps• Previously BHMedian = 500 kbps, typical range = 0.1 to 1.7 mbps


Site Updates - IsraelSite Updates - Israel

• Tel Aviv University: – Testing resumed March '02 – Performance 0.5-3.0 mbps since June

» (was 0.2 - 1.7 mbps in '01)– Route via Abilene peering with Geant in NY

» Formerly used ILAN from Chicago

• Tel Aviv University: – Testing resumed March '02 – Performance 0.5-3.0 mbps since June

» (was 0.2 - 1.7 mbps in '01)– Route via Abilene peering with Geant in NY

» Formerly used ILAN from Chicago


Site Updates: ItalySite Updates: Italy

• ESRIN - Frascati: Performance stable– BHM from GSFC stable at 700 kbps; Typical daily range 300-1700 kbps– Route stable: via MAX, Abilene to NY, Geant, GARR– From Norway (until March '02): 350 kbps -1.1 mbps

» via UNInet, Nordunet, Geant, GARR– Testing from NASDA (until Jan '02): 190-730 kbps – restarted Sept. '02

• ESRIN - Frascati: Performance stable– BHM from GSFC stable at 700 kbps; Typical daily range 300-1700 kbps– Route stable: via MAX, Abilene to NY, Geant, GARR– From Norway (until March '02): 350 kbps -1.1 mbps

» via UNInet, Nordunet, Geant, GARR– Testing from NASDA (until Jan '02): 190-730 kbps – restarted Sept. '02


Site Updates: Italy (2)Site Updates: Italy (2)

JRC - Ispra: Testing restarted Feb '01– BH Median about 500 kbps, Typical Range 150-800 kbps

» (range was 400- 1400 in '00)– Route: UUNet all the way from DC to Milan. – From NASDA (until Jan '02): steady 350 kbps

JRC - Ispra: Testing restarted Feb '01– BH Median about 500 kbps, Typical Range 150-800 kbps

» (range was 400- 1400 in '00)– Route: UUNet all the way from DC to Milan. – From NASDA (until Jan '02): steady 350 kbps


Site Updates: JapanSite Updates: Japan

• NASDA EOC - Hatoyama: – NASA-NASDA removed private E1 and installed private 3 mbps ATM service in Feb '00 -- for mission

support only. (Replaced Aug '02)» NASDA to NASA stable – typically 1.6 mbps (window limited)» NASA to NASDA Performance also stable

• typically 2.3 mbps using multiple TCP streams to overcome window limitation

– NASDA CEOS source and sink at EOC down since 17 Jan '02 » Restored 1 Sept. '02

• Tokyo-XP – From GSFC:

» via Chicago / TransPac / APAN» several performance levels:

• 12-29 mbps, 9-15 mbps• Slow TCP rampup

– from GISTDA:» 0.5-1.4 mbps steady

• NASDA EOC - Hatoyama: – NASA-NASDA removed private E1 and installed private 3 mbps ATM service in Feb '00 -- for mission

support only. (Replaced Aug '02)» NASDA to NASA stable – typically 1.6 mbps (window limited)» NASA to NASDA Performance also stable

• typically 2.3 mbps using multiple TCP streams to overcome window limitation

– NASDA CEOS source and sink at EOC down since 17 Jan '02 » Restored 1 Sept. '02

• Tokyo-XP – From GSFC:

» via Chicago / TransPac / APAN» several performance levels:

• 12-29 mbps, 9-15 mbps• Slow TCP rampup

– from GISTDA:» 0.5-1.4 mbps steady


Site Update - NetherlandsSite Update - Netherlands

• KNMI: – Route from GSFC via Abilene to SurfNet in Chicago– Median Performance now 60 mbps! (range 43-67 mbps)

» Using multiple TCP streams

• KNMI: – Route from GSFC via Abilene to SurfNet in Chicago– Median Performance now 60 mbps! (range 43-67 mbps)

» Using multiple TCP streams


Site Updates - RussiaSite Updates - Russia

• IRE-RAS - Moscow: Last Tested Oct - Dec ‘00– Route is via Internet -- Rostelecom in NY– Performance was BHM = 75 kbps, Daily range = 13 - 30 kbps

• CAO - Moscow: SAGE III Project – Dual Routes since Nov '01– NASA dedicated circuit: very steady 140kbps– via NY to Rostelecom/RBnet -- 1.1 mbps typ (600-1400)

• IRE-RAS - Moscow: Last Tested Oct - Dec ‘00– Route is via Internet -- Rostelecom in NY– Performance was BHM = 75 kbps, Daily range = 13 - 30 kbps

• CAO - Moscow: SAGE III Project – Dual Routes since Nov '01– NASA dedicated circuit: very steady 140kbps– via NY to Rostelecom/RBnet -- 1.1 mbps typ (600-1400)


Site Updates: ThailandSite Updates: Thailand

– AIT: from GSFC: New route 23 July 2002 - Performance improved» Now 185-1355 kbps, BHM = 1100 via Abilene-LA-UNINET» Previously 50- 650 kbps, BHM = 400

• via Abilene-PNW-TransPac-APAN-AI3

» Testing from NASDA restarted Sept. '02

– UNINET via Abilene peering in LA:

» Datasink restored 27 August '02» 200 kbps - 2.2 mbps, BHM = 400 kbps -- serious daily congestion

– AIT: from GSFC: New route 23 July 2002 - Performance improved» Now 185-1355 kbps, BHM = 1100 via Abilene-LA-UNINET» Previously 50- 650 kbps, BHM = 400

• via Abilene-PNW-TransPac-APAN-AI3

» Testing from NASDA restarted Sept. '02

– UNINET via Abilene peering in LA:

» Datasink restored 27 August '02» 200 kbps - 2.2 mbps, BHM = 400 kbps -- serious daily congestion


Site Updates: Thailand (2)Site Updates: Thailand (2)

– GISTDA: Multiple Routes»July '01: 34-1900 kbps, BHM = 80»Aug-Sept '01: 270-4300 kbps, BHM = 1400»Oct '01 - Mar '02: 13-400 kbps, BHM = 44

•via Commodity Route: UUNet-Teleglobe-Inet

»3-18 Apr '02: 360-1470 kbps, BHM = 620 (via APAN)»19 Apr – 18 Aug '02: 11-350 kbps, BHM = 40

•via Commodity Route: AT&T-GITS

»Testing from NASDA until Jan '02: 700-1500 kbps, BHM = 1100, restarted Sept. '02

– GISTDA: Multiple Routes»July '01: 34-1900 kbps, BHM = 80»Aug-Sept '01: 270-4300 kbps, BHM = 1400»Oct '01 - Mar '02: 13-400 kbps, BHM = 44

•via Commodity Route: UUNet-Teleglobe-Inet

»3-18 Apr '02: 360-1470 kbps, BHM = 620 (via APAN)»19 Apr – 18 Aug '02: 11-350 kbps, BHM = 40

•via Commodity Route: AT&T-GITS

»Testing from NASDA until Jan '02: 700-1500 kbps, BHM = 1100, restarted Sept. '02


Site Updates: UKSite Updates: UK

• From GSFC: via Abilene to JAnet in NY– JAnet core (London): Stable at 18 mbps

» Was stable at 28 mbps from 6 Nov '01 to 13 June '02» Was 10 mbps until 19 Aug '01» NY peering reconfigured again

– UCL: 4.7-6.2 mbps steady (previously 2.8-4.9 mbps) – Oxford: 4.8 mbps typ (3.6-5.2) -- also steady! – RAL: performance dropped to in June '02

» Now 8 mbps typical (2-14 mbps)» Was 14 mbps typical (7-20)

• From GSFC: via Abilene to JAnet in NY– JAnet core (London): Stable at 18 mbps

» Was stable at 28 mbps from 6 Nov '01 to 13 June '02» Was 10 mbps until 19 Aug '01» NY peering reconfigured again

– UCL: 4.7-6.2 mbps steady (previously 2.8-4.9 mbps) – Oxford: 4.8 mbps typ (3.6-5.2) -- also steady! – RAL: performance dropped to in June '02

» Now 8 mbps typical (2-14 mbps)» Was 14 mbps typical (7-20)


Site Updates: UKSite Updates: UK


Network Results SummaryNetwork Results Summary

Median Daily ThruputMedian Daily Thruput

Andy Germain CEOS-WGISS-NS-13 Page 1 Washington, DC Sept. 2002 CEOS-WGISS-Network Subgroup Network...

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