Transcript Lecture Exchange with Japan and Wisconsin

Lecture Exchange across
the Pacific Ocean
Yasuharu Toyabe
[email protected]
Project Overview
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Prof. Lawrence Landweber and Prof.
Jun Murai is teaching in team for
Prof. Landweber’s final lecture
All the lectures would be archived
for future reference
13 classes will be held live between
2 Universities in Japan and
University of Wisconsin
Uses the new Internet Technologies
Participating Universities

Credits are given in the following
Universities

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University of Wisconsin Madison - CS640
Introduction to Computer Networks,
Professor Lawrence Landweber
Keio University, Japan - Computer
Networks, Professor Jun Murai
Nara Institute of Science and Technology
(NAIST), Japan - Special Project, Assistant
Professor Hideki Sunahara
How the Classes are Held
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Archived onto the web
Live lectures to and from Wisconsin
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5 classes from Japan to Wisconsin
8 classes from Wisconsin to Japan
Archived Lectures
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Students are able to access the archived
lectures over the Internet for review
Video Streaming

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RealNetworks “RealVideoG2”
Online report system
Online anonymous course evaluation
Keyword search
Different Class Schedules
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3 classes / week in WISC (75min / class)
2 classes / week in NAIST (90min / class)
1 class / week in Keio (90min / class)
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On-Demand lecture archive make
possible to share the same course
without respect of difference in course
schedule
On Demand Lecture
Text based
information
Audio, Video and Materials
Live Lectures

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Lecturer may
be thousands of
miles away
from the
classroom
Participants
would still have
interaction
between each
other
New Internet Technologies

Digital Video is put into IP packets and
sent across the ocean
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Using the new IPv6 instead of the
common IPv4

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45Mbps for video and audio
Low delay, high quality image and audio
128bit address space compared to 32bit
Multicast streams to connect one sender
and two receivers
Flow of Digital Video
KEIO
NAIST
DVRECV
Projector
Student Camera
Lecturer Camera
DVSEND
WISC
DVSEND
DVRECV
DVRECV
DVSEND
VIDEO Switcher
DVSEND
DVRECV
IP
AUDIO MIXER
Video
Audio
Wireless
Microphones
Classroom PA
Classroom Speaker System
Flow of Digital Video
Lectures to
Wisconsin
from
Keio and NAIST
Eye View for
Lecturer
PPT Material
Lecturer
Projector
QandA
Session
Video
Mixer
Projector
Classroom
PA
PPT
DV DECK
Audio
Video
IP
IEEE
1394
Audio
Mixer
Desktop On Call
Wireless
Reciever
DVRECV
Japan
(SFC)
DVSEND
Media
Converter
Network Diagram
Wisconsin
DV#1( snd)
MKE
x/xx x/xx(LS1010)2/46
PC3
PC1
2/60
AADS 33/58
Startap0/58
33/58
3ffe:3900:7:0:2e0:18ff:feac:425
33/58 33/58
0/58
KDD-ote
Keio-SFC
2001:200:0:1000:4
PC4
PC5
2001:200:0:1000:5
atomis
0/98
PC6
0/58
0/58
1/61
PC7
0/99
1/99
0/98
0/99
1/61 1/98
1/61 1/98
1/61
(020)
1/61
PC8
2001:200:0:1000:7
2/99
PC10
PC9
x/xx x/xx
3/98
x/xx x/xx
3/99
(xxx)
Osaka-U
s04
7/98
3/98
7/99
(050)
3/99
(050)
2/98
5/98
2001:200:0:1000:5
PC11
2001:200:0:1001:11
2001:200:0:1000:9
5/98
(130)
0/58
0/58
WIDE
(020)
1/99
NAIST
DV#3( snd)
(041)
1/98 (032)
2001:200:0:1000:8
DV#1( rcv)
0/58
0/58
CRL-KDD
0/61 0/58
0/61 0/58
(032)
2001:200:0:1000:6
DV#3( rcv)
0/61
0/58
APAN
0/98
(033)
DV#2( snd)
pc7
pc2.fujisawa
0/98
1/98
DV#1( rcv)
0/58
(000)
3ffe:3900:7:0:2e0:18ff:feac:501
2/46 2/60
x/xx x/xx
3ffe:3900:7:0:2e0:18ff:feac:422
(033)
PC2
(093)
DV#2( rcv)
1/98
1/98
CRL-NTT
uhyo-n
(atomis
)
2/98
2/98
U-Tokyo
aao3
(atomis )
For More Information...
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See our web page
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Send e-mail to
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http://www.sfc.wide.ad.jp/soi/
[email protected]
Or just stop by at CS room 7387