Seeing Over the Horizon
description
Transcript of Seeing Over the Horizon
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Seeing Over the Horizon
David Wasley, UCOP
Ken Klingenstein, Internet2 and CU
Ted Hanss, Internet2
SAC – Snowmass - 6 August 2001
See http://apps.internet2.edu/talks
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Who Wants to be a CIO?
Fastest finger---put these in the order of priority:
• Campus-wide authentication and authorization
• Upgrading campus wiring and hardware
• Supporting faculty in the use of technology in classroom and laboratory
• Defining a funding model for campus IT
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Applications
Ted Hanss
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time
YNI
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Technology Adoption
Early Majority
Innovators
Late Majority
LaggardsEarly Adopters
Source: Crossing the Chasm, Geoffrey Moore
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Music instruction – University of Oklahoma
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Office of the Future – UNC, Brown, Penn
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Teleimmersion – University of Illinois
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Haptic control of instruments – University of North Carolina
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All Science is Computer Science
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All Science is Comp Science
Infrastructure expectations
• Emerging Grid computing environment
– NEESGrid
• www.neesgrid.org
– GriPhyN
• www.griphyn.org
• Local computing clusters
• Storage, data transfer, etc.
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Collaboration Services
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Collaboration Services
Research, teaching, and learning implications
Growth in international collaborations
Mentoring relationships that span institutions
Infrastructure expectations
• Classrooms
• Meeting venues
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Mobile Computing
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Mobile Computing
802.11a will support streaming video at high quality
802.11 phones competing with 3G?
Deployment of always connected PDAs
Telemetry information being key to applications
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Appliances
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Appliances
What are appliances?
• Polycoms, sensors, web cams, …
Challenges
• How to manage?
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Capture and Display
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Capture and Display
Capture
• Getting to HDTV cheaply
• Spatial sound
• Voice and motion capture
Display
• Auto-stereoscopic
• Large plasma displays
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Peer-to-Peer
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Peer-to-Peer
Despite hype, still very much an emerging area
Most examples given are actually client/server applications
Challenges in management
• Gnutella searches consume orders of magnitude more bandwidth than actual data transfers.
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.edu ASPs
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.edu ASPs
Desire to drive commodity services into the infrastructure
• Seeking goals of cost savings, improved reliability, …
Upcoming reports may advocate a “services infrastructure” for the research and education community
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Cool Technology I’ve Seen Recently
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Cool Technology I’ve Seen …
NCast --- run a video-enabled seminar from a box
Digital Fountain --- “on demand multicasting”
Teleportec --- “heads up display” for videoconferencing
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What Ever Happened To …
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What Ever Happened To …
Adaptive applications?
• Requires end-to-end measurement
Metricom?
• Priced too high? Insufficient coverage?
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More Info ...
[email protected]/talks/Ted Hanss Internet2 3025 Boardwalk Suite 100 Ann Arbor, MI 48108 +1.734.913.4256
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www.internet2.edu
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Future Networks –Bigger, Faster, Smarter
David L. Wasley
University of California
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Yes, but
what ever happened to…
•LEOS?
•Hybrid fiber coax to the home?
•QOS?
•IPv6?
•ATM-over-IP
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Wild speculations
Neutrino net - just point and shoot•Detectors the size of the Astrodome !!•Still slower than a modem
Cosmic net•Round trip times are a problem ;-(•Filling the pipe to Andromeda takes 1020 bits
3x108 meters/sec. - it’s the law!•Even a good lawyer can’t get around that one
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Network layer trends
Bigger - everything on-line, all the time
Faster - terabits/sec on single fiber w/in 10 yrs
Smarter - because it has to be
Cheaper? •How much is it worth to you? To business?•Best bet is higher capacity for “constant” dollar•Financial models need to evolve to be rational
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Bigger …
WAP in PDAs (e.g. nextgen cellphones)Miniature IPv6 stack-in-a-matchbox
•Monitor operation of equipment, e.g refrig.•Better energy management (e.g. at UCB)
Smart cars•Your “radio” is the wireless hub/router for the car
•Can receive and send traffic conditions, etc.•Can it schedule appointments on my calendar and at the garage when maintenance is required… ?-)
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Faster
Fiber glut?•Some carriers installing 400-800 strand cables•One strand will carry > 1 terabit/sec.
Will IP be replaced by switched wavelengths?•Optical BGP controls pure optical switches
55 Mb/s for laptops, classrooms, homes•Cable/DSL box with integrated 802.11a (or better)
Fast mobile IP links•Commuter trains - > 100 mph
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Smarter
RoamingQOS
•A few different ‘services’ might be enough•Admission management requires authentication
Network has to participate in stopping abuse•Reverse trace ability (how did the packet get here?) •Automatic blocking at the source
Authentication of all users at the network edge•Must balance privacy and managability
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Other possible trends
Rational financial models for network services• Involve the user in cost/benefit decisions• Inter-provider reconciliation•Differential billing based on “distance”?•Always bill the transmitter(?)
–The last chance not to send the packet …Smartcards as access tokens for lots of things
•Like phone cards only smarter•Privacy ensured by third party anonymizers
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Some campus issues
Issuing and managing digital credentialsManaging access to premium servicesCollecting and processing usage dataContinuous enhancement of infrastructure
•High speed wireless•Gigabit+ to the desktop•Highly robust infrastructure for critical applications
Outsource all this?
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Previous speculations
“The world will only need 4 computers”
“The world will only need 80,000 PCs”
300 9600 128K 10M 100M is good enough
See also
Wasn't the Future Wonderful? : A View of Trends and Technology from the 1930's