hirabaru, koyama, and kimura {masaki,koyama,mkimura}@nict.go.jp nict apan noc meeting january 20,...

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Hirabaru, Koyama, and Kimura {masaki,koyama,mkimura}@nict.go.jp NICT APAN NOC Meeting January 20, 2005 e-VLBI updates

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Page 1: Hirabaru, Koyama, and Kimura {masaki,koyama,mkimura}@nict.go.jp NICT APAN NOC Meeting January 20, 2005 e-VLBI updates

Hirabaru, Koyama, and Kimura{masaki,koyama,mkimura}@nict.go.jp

NICT

APAN NOC MeetingJanuary 20, 2005

e-VLBI updates

Page 2: Hirabaru, Koyama, and Kimura {masaki,koyama,mkimura}@nict.go.jp NICT APAN NOC Meeting January 20, 2005 e-VLBI updates

MITHaystack

NICTKashima

Abilene(10G)

JGN II Int’l(10G) Tokyo

JGN II(1G/10G)

1G/2.5GJGN II(10G)

Osaka

Venue

10G

#1

#2

#3

#4

GEN-AGEN-B

AA

BB

AA BB

TT

SX SX

T x4

Raid

Raid

ファイバーチャンネル

LCDLCD

NE (Network Emulator)

NE

T x4

SX x2

SX x2

ファイバーチャンネル

TT

LCDLCD

Measure-B Measure-A

e-VLBI Demonstration by NICT JGN II Symposium in OsakaJanuary 17-18, 2005

Page 3: Hirabaru, Koyama, and Kimura {masaki,koyama,mkimura}@nict.go.jp NICT APAN NOC Meeting January 20, 2005 e-VLBI updates

e-VLBI Demonstration in JGN II Osaka (Jan. 2005)

e-VLBI data transfer achieved ~700Mbps from Haystack to Osaka

~900Mbps from Kashima to Osaka

Software Cross Correlation ~240Mbps per station

Dr. Koyama

4 Apple G5 Server machines (8 CPUs in Total)

Page 4: Hirabaru, Koyama, and Kimura {masaki,koyama,mkimura}@nict.go.jp NICT APAN NOC Meeting January 20, 2005 e-VLBI updates

Huygens e-VLBI Preliminary ReportJanuary 5, 2005 Shanghai to Kashima 1-2 Mbps for 3.8GB x4January 14, 2005 Shanghai to Kashima 40-50 Mbps

No fringe detected

Japan - Australia (tsunami)experiment under consideration(Australia Telescope National Facility)

"Jouko Ritakari" [email protected] reported December 22, 2004400 Mbit/s eVLBI transfer between NICT Kashima and JIVE using Tsunami protocol.

Kashima-JIVE e-VLBI experiment (Dec.22, 2004)

Possible Future e-VLBI experiment with RussiaNICT Kashima shipped IP VLBI board to Russia (Lebedev Institute)Fibers are available in the nearest town.