Download - MiLR Collaboration - Merit MM 2008
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iHDTV Collaboration over the Michigan Lambda Rail
Erik HoferSchool of InformationUniversity of Michigan
David FleigWayne State University
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www.si.umich.edu
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visit.si.umich.edu
www.youtube.com/umsiVISIT/
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1. My bandwidth consumption2. Things I do with bandwidth3. WSU/UM Joint Project
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120 TB / year
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31 megabits per second, 24/7
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Overindulgence to the point of waste?
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http://www.flickr.com/photos/monkeyc/95679450/
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How?
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Be unreasonable
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The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
--George Bernard Shaw
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Ask
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www.glif.is
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Don’t be too serious
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The less confident you are, the more serious you have to act.
---Tara Ploughman
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visit.si.umich.edu
www.youtube.com/umsiVISIT/
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SAGE Framework
- 25 -
• A group of rendering nodes generate pixel data for an application
• SAGE captures the pixel data streams over tiled display
• Free Space Manager controls pixel streams
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Visualization
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High Performance Collaboration
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- 37 -
Visualcasting Test-Bed11x5
28 nodes
6x46 nodes
5x315 nodes4x2
8 nodes
4x28 nodes
4 nodes
8 nodes
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- 38 -
Sustained Visualcasting Performance
EVL
SAGE Bridge 1 SAGE Bridge 2
Michigan
SAGEBridges
MichiganEVL
1.6G3.2G9.2G
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QuickTime™ and a decompressorare needed to see this picture.http://www.evl.uic.edu/cavern/optiplanet/
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iHDTV 1500http://sourceforge.net/projects/ihdtv/
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Merit Member ConferenceJune 2008
Building anBuilding aniHD1500iHD1500EndpointEndpoint
David W. Fleig, Computing & Information Technology
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Merit Member ConferenceJune 2008
iHD1500iHD1500• Collaboration tool• High-fidelity interaction
– Accurate, precise reproduction• Picture, sound, motion
– Low latency• Temporal accuracy• Real time operation
• IP Video– Expands the definition
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Merit Member ConferenceJune 2008
MotivationMotivation• STIET IGERT• MiLR• Collaboration needs• More immersive experience• Desired higher fidelity than
traditional VC– Low latency– Real time
• Explore advanced technology• Explore partnerships
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Merit Member ConferenceJune 2008
MiLRMiLR• Michigan Lambda Rail• High Speed Regional Optical
Network
Detroit
EastLansing
Ann Arbor
GrandRapids
ChicagoWSU
ChicagoInt’l POP
Van AndelInstitute
MSU
10 GigEDWDM
Ring
U of M
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Merit Member ConferenceJune 2008
IngredientsIngredients• 10 GigE network• Endpoint hardware
– HP 8400 workstations– I/O cards
• HD SDI– Dual Intel NIC
• Jumbo frames• Load sharing• Real time, uncompressed HD via Copper UTP• No fiber to the desktop
– Audiovisual system
• Endpoint Software– Cygwin– iHD1500
• University of Washington– Windows XP
• HD SDI drivers
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Merit Member ConferenceJune 2008
Performance Performance ConditionsConditionsBandwidth
HD Format720p 1080i 1080p 2K 4K
O1.5 Gb/s
Bandwidth
Compression
O
Low HighNone
1.5 Gb/s
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Merit Member ConferenceJune 2008
IssuesIssues• Precedent
– Little or none• 10G Networking
– Production networks not feasible• 1080i HDTV uncompressed ~ 1.5 Gb / second• HP 8400 config
– HD SDI cards– Strange HP NIC Ops
• Windows XP– Configuration– Security
• Vendor/System Integrator familiarity– Typical classroom hardware may not work– HD best practices
• Standards– SMPTE, AES
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Merit Member ConferenceJune 2008
DiagramDiagram
10G EthernetSwitch
MiLR A/VProc
HDTVDisplay
Camera
MicsSpeakers
EncoderPC
HDSDI
DualNIC
DecoderPC
HDSDI
DualNIC
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Merit Member ConferenceJune 2008
DiagramDiagram
RGBHV (VGA)
Blackmagic Decklink Pro HD
AJA Xena HS
AJA HD10 AM
Audio Flying Cow
A / D
AJA HDP
DVI
HD SDIw/ embedded audio
AJA HD 10A
RGB
Audio Out
WSU iHD 1500 Endpoint
HD SDI
HD SDI
Sony 1080i HDTV
P/T/Z Camera
Panasonic TH 50PF9UK
Flat Panel Plasma Display
HD SDI
( FAR )
(NEAR )
Amplified
Loudspeaker
R L
AES Digital Audio
Audio LR
IN 2
OUT 1
IN 1
OUT 2Evertz HD SDI Switcher
HP 3750
MiLR10 GigE
PC Audio
AnalogWay
Broadscan HD BHD930-DG
Clear One XAP 400
Audio Out
HP 8400
HP 8400
Laptop
PC
Wireless
Mics
Hum -buck Filter
HD SDI
HD SDI
4x GigE
OUT 1
HD SDI
HD SDI
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Merit Member ConferenceJune 2008
PrototypePrototype
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Merit Member ConferenceJune 2008
PrototypePrototype
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Merit Member ConferenceJune 2008
FuturesFutures• Improve Software & Hardware
– iHD Working Group• Multicast• Content Capture• New Applications• New Platforms• Automation• Test, Measurement, QC
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Merit Member ConferenceJune 2008
FuturesFutures• Phase 2
– Build a better room– Move off protoype system
• Build on existing relationships• Grant development• Trust• Help others