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Big Infrastructure, Small Clients

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Title: TACC Update Daedalus/BARWAN Winter Retreat, January 1998 Author: Armando Fox Last modified by: David E. Culler Created Date: 12/28/1997 3:26:16 AM – PowerPoint PPT presentation

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Title: Big Infrastructure, Small Clients


1
Big Infrastructure, Small Clients
  • Prof. Eric A. Brewer
  • brewer_at_cs.berkeley.edu


2
Distillation Proxy Architecture
Proxy front-end
Servers
fast LAN or SAN
Image
Audio
Datatype- specific Distillers
Video
Text
3
Datatype-Specific Distillation
  • Lossy compression that preserves semantic content
  • Tailor content for each client

6.8x
1.2 The Remote Queue Model We introduce Remote
Queues (RQ), .
65x

4
Refinement
  • Retrieve part of distilled object at higher
    quality

Zoom in to original resolution
Distilled image (by 60X)

5
Computing in the Infrastructure
  • Legacy server compatibility
  • Partition functionality for small clients
  • Amortize resources across many clients
  • Can combine with distributed caching
  • Enable groupware (via shared state)
  • Enable consistent virtual environment


6
Scalable Proxy Architecture
  • Component replication for scaling and FT
  • NOW with scalable interconnect
  • Incremental scaling commodity building blocks

7
Thin Clients Top Gun Wingman
  • Worlds only graphical browser for PalmPilot
  • gt 10,000 users worldwide
  • Richest feature set of any Pilot browser, many
    uniquely enabled by proxy
  • 9 out of 100 in Peoples Choice awards

8
Groupware Top Gun MediaBoard
  • Group whiteboard comes to the Pilot
  • Combines MASH tools with proxy
  • Enables future MASH collaboration
  • Inherits proxy robustness scalability
  • Interoperates with laptops, workstations

Superiority of proxy-based approach to enabling
thin clients successfully demonstrated.
9
WorkPad/Proxy Infrastructure
  • Basics web, e-mail access, search engine
  • Groupware whiteboard, web-based calendar
  • Wireless and cradle access
  • Document conversion PostScript, PDF, class
    notes, PowerPoint
  • WorkPad as smart card for authentication

10
TopGun WingMan/Mediaboard
AR
PDA
LegacyServer
PDA Proxy
Base
Image Converter Un-Zip
MediaBoard
PC
Multicast Connector
Aggregator
AR
Mic
Camera
11
Ninja Goals
  • Tinkertoy wide-area components
  • Automatic discovery, composition and use
  • Very powerful operators clusters, databases
    agents
  • Viable component economics subscription, pay per
    use
  • Great devices, sensors, actuators
  • Connect everything...
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