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![Page 1: Jim DeRoest Director, e-Science Initiatives Pacific Northwest Gigapop Director, Technology Initiatives ResearchChannel, U Washington deroest@washington.edu.](https://reader033.fdocuments.us/reader033/viewer/2022061306/55148d99550346b0158b5e7d/html5/thumbnails/1.jpg)
Jim DeRoest
Director, e-Science Initiatives Pacific Northwest Gigapop
Director, Technology Initiatives ResearchChannel, U Washington
High Definition Video & Collaboration Platforms for e-Research
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AgendaAgenda
iHDTV – High Definition Video ConferencingPlatform ArchitectureDevelopment History
Research1 – Social Web Platform for e-ScienceFeaturesDemonstrationRoadmap
04/10/23 Title of Presentation, if desired 2
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iHDTV … What is it?iHDTV … What is it? Low latency, uncompressed multipoint HD over IP
Project started in 1999 – 40Mbps, 270Mbps HDCAM, 1.5Gbps Format: uncompressed SMPTE 292M 4:2:2 1080i 60
Data rate total approx 1.5 Gbps per TX RX pair No compression to eliminate encode/decode latency Exploit R&E network bandwidth – No FEC
Live camera feed and file playback HD SDI input -> HD capture card -> packetize -> IP
Audio 6 channels Software mix-minus Separate packet stream – muxed with video at RX end
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iHDTV … HardwareiHDTV … Hardware
Hardware OS configurationCommodity Dual Proc or Core Duo PCI ExpressHD capture cards –
TX Blackmagic Declink, RX AJA XenaWindows XP - investigating Linux
capture card driver issue Latency
Approx 120ms + network delayTX (2 frames), RX (2 frames)
Hardware frame buffering “feature” of capture cards
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iHDTV … DisplayiHDTV … Display
Tiled screen - participantsSub-sampled 1.5Gbps/number of TX clients
TX tiles multicast by venue serviceTiled screen and layout constructed by RX client
Full screen – primary speakerControled by venue seviceInstructs sender to include TX remainderMulticast by venue service
Total bandwidth full screen display + tiled display = 3Gbps
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iHDTV … NetworkiHDTV … Network
Need jumbo enabled bandwidth!!! Total bandwidth full screen display + tiled display = 3Gbps Packet replicators for multicast/unicast tunneling
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iHDTV N-Way Venue iHDTV N-Way Venue ConfigurationConfiguration
Remote client site equipment:2 RX iHDTV systems1 TX iHDTV systems
Persistent UW venue site equipment:8 RX iHDTV systems2 TX iHDTV systems
Packet Replicators for multicast/unicast tunneling
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iHDTV Remote ClientiHDTV Remote Client
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iHDTV Venue ServiceiHDTV Venue Service
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iHDTV N-Way ConferencingiHDTV N-Way Conferencing
iGrid, SC’05, SC’06
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iiHDTV Extreme: HDTV Extreme: iGrid VISIONS’05iGrid VISIONS’05
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iHDTV and Optiportal – SC’07iHDTV and Optiportal – SC’07
Integration with EVL SageRuns as a Sage application using Sage librariesSoftware rendering on the RX endAudio managed by iHDTVSoftware rendering latency
similar to hardware
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iHDTV … Status … Work to Do …iHDTV … Status … Work to Do … Status
Persistent N-Way service - U Wash, CalIt2, U Mich, U WiscOptiportal integrationOpen source – source forge, Apache 2 - http://www.ihdtv.org
Research ProjectsGUI – Operation, monitoring, stats,etcRX rendering on the desktopNTT i-Visto integration – ½ frame latency4K – Red camera, Quad iHDTV transportCodec/bandwidth bridging serviceInteroperation – UltraGrid, et al
More InformationMike Wellings [email protected] DeRoest [email protected]
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04/10/23 Title of Presentation, if desired 14
Research1 is an online community that allows researchers to
collaborate with peers, and share information and digital media with
the general public.
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• Serve as a premier outlet for researchers to fulfill their public outreach requirements
• Foster interaction and communication between members of the public and researchers
• Provide a collaborative platform to teams who could potentially be geographically dispersed
Primary Functions
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• Easily create a “Project Hub” that serves as a public-facing webspace for their work and/or a private collaboration area for team members
• Easily upload, store, tag, and publish digital media in multiple formats including video, audio, images and documents
• Publish a blog for the project to discuss ongoing work
• Interact with other researchers and the general public through project- and discipline-specific message boards, private messaging , grid toolkit, and IP-based videoconferencing
Core Features for Researchers
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Growing population of “myspace-like” collaboratory portals
myExperiment, Sci-Vee, EcoSpace, CalIT2 Research.Intelligence, ourSpace…
“Grid, Cloud, favorite buzz word
enabled” YouTube for research
Research1 – How is it different?
Public facing, social interface to e-Research activities.
Interoperate with e-Research portals – peer collaboration.
Manage/deliver low bandwidth and high bandwidth essence objects
Multi-discipline yet research focused vs. “lost in theYouTube ether”
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Demonstration
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Architectureo .Net , Web 2.0 platformo Social Services – Community Servero Federation Services - Shibboleth, InCommono Asset Management - DigitalWell
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Next Steps … Phase IISimplify access/sharing – conduit to where science happens
oPortals and applicationsTeragrid, Birn, Many Eyes, Hastac, Mirex, Dariah, …
o Platform suitesOSG VDT, OGF SOKU, GENI, Semantic Web, …
oCommunities, Virtual OrganizationsI2 CoManage, GSI, GridShib, VO, …
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Next Steps … Phase II
ServicesoComputational Grids
Live visualization, rendering, encoding services, portals
oData GridsStructured/unstructured data, semantic tagging
oVideo ConferencingiHDTV1500 N-Way , UltraGrid, …
oPDA servicesEmail blog posting, iPhone video player, …
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• Deployment Timelineo Current: Beta prototype selected early adopter PI’so Summer ‘08: Phase 2 research collaboration services
• Collaboration Invitationo Interest in creating a Research1 project spaceso Architecture development, research, partnership
o Contact, InformationJim DeRoest [email protected]
Amy Philipson [email protected]