WestGrid Collaboration and Visualization Network

11

WestGrid Collaboration and WestGrid Collaboration and Visualization NetworkVisualization Network

Brian CorrieBrian Corrie

Collaboration and Visualization CoordinatorCollaboration and Visualization Coordinator

WestGrid/SFUWestGrid/SFU

22 WestGrid/SCGlobal, November 9, 2004WestGrid/SCGlobal, November 9, 2004

OverviewOverview

What is WestGrid?What is WestGrid?

Human-in-the-loop computationHuman-in-the-loop computation

Integrating visualization into AGIntegrating visualization into AG


The WestGrid The WestGrid Collaboration InfrastructureCollaboration Infrastructure

AccessGrid foundationAccessGrid foundation AG rooms deployed at each siteAG rooms deployed at each site

Wide range of scales and typesWide range of scales and types Large scale, multi-user roomsLarge scale, multi-user rooms Smart interaction environmentsSmart interaction environments Visualization laboratoriesVisualization laboratories

WestGrid VenueServerWestGrid VenueServer Operational, research, and meeting Operational, research, and meeting

venuesvenues


The WestGrid The WestGrid Visualization InfrastructureVisualization Infrastructure

Visualization displaysVisualization displays Deployed across WestGridDeployed across WestGrid Range of displays typesRange of displays types

Fully immersive VR roomsFully immersive VR roomsLow cost passive stereoLow cost passive stereoNo glasses auto-stereoNo glasses auto-stereo

Visualization ServerVisualization Server Grid enabled visualization resourceGrid enabled visualization resource Visualization to the desktopVisualization to the desktop

ChallengesChallenges How to integrate visualization into How to integrate visualization into

our collaboration environments?our collaboration environments?


OverviewOverview





Why CollaborationWhy Collaborationand Visualization?and Visualization?

“The purpose of computing is insight, not numbers”Richard Hamming (1962)Richard Hamming (1962)

The human element of grid computingThe human element of grid computing People are arguably the most important “grid resource”People are arguably the most important “grid resource”

How do we accelerate understanding?How do we accelerate understanding? Understanding through collaborationUnderstanding through collaboration Understanding through visualizationUnderstanding through visualization The right people, the right time, the right informationThe right people, the right time, the right information


SimulationParameters

Simulation

The Traditional Simulation & The Traditional Simulation & Visualization PipelineVisualization Pipeline

Data ImageFilter Map Render

DataRepository

High Speed NetworkHigh Speed Network


Filter

Human-in-the-loop Human-in-the-loop ComputationComputation

Data ImageMap Render


High Speed NetworkHigh Speed Network Image

Simulation DataRepository


Quality of ExperienceQuality of Experience

Not enough to throw technology at the problemNot enough to throw technology at the problem

Quality of ExperienceQuality of Experience The “touchy-feely” part of collaborationThe “touchy-feely” part of collaboration Measure of human experience, not technologyMeasure of human experience, not technology

Making it workMaking it work Task: What is the user trying to do?Task: What is the user trying to do? Need: What do they need to accomplish the task?Need: What do they need to accomplish the task? Services: What services meet the needs?Services: What services meet the needs?


OverviewOverview





WestGrid Research ProjectsWestGrid Research Projects

Solutions Server (UoA, SFU)Solutions Server (UoA, SFU) Human-in-the-loop computationHuman-in-the-loop computation AG shared application supportAG shared application support

Quality of Experience (SFU, NRC, CRC)Quality of Experience (SFU, NRC, CRC) Providing task specific AG venue Providing task specific AG venue

configurationconfiguration


Recall: Human-in-the-loopRecall: Human-in-the-loop

FilterData ImageMap Render


High Speed NetworkHigh Speed Network Image

Simulation DataRepository


UofA Solution ServerUofA Solution ServerUofA Solution ServerUofA Solution ServerObjectives:Objectives: Provide a truly distributed simulation and Provide a truly distributed simulation and

visualization environmentvisualization environment

Separate simulation time from real-time Separate simulation time from real-time visualization requirementsvisualization requirements

Allow multiple users to interact with the Allow multiple users to interact with the simulatorsimulator

Allow real-time modifications of boundary Allow real-time modifications of boundary conditions and simulation parametersconditions and simulation parameters

Objectives:Objectives: Provide a truly distributed simulation and Provide a truly distributed simulation and

visualization environmentvisualization environment

Separate simulation time from real-time Separate simulation time from real-time visualization requirementsvisualization requirements

Allow multiple users to interact with the Allow multiple users to interact with the simulatorsimulator

Allow real-time modifications of boundary Allow real-time modifications of boundary conditions and simulation parametersconditions and simulation parameters


Simulation Simulation →→ Visualization VisualizationUoA Solutions ServerUoA Solutions Server

Simulation

Storage Server

Solution

Formatter(VTK)

StoredSolutions

Solution Server

Computational Machine

Server Control

Solution

VisualizationClient

Visualization

Data

VisualizationClient

Visualization

Data


VisualizationClient

SFU SGI

VizServer

FormattedSolution

VizServerClient

PittsburghPittsburgh

Visualization Data Stream

UoAUoA

VizServerClient

SFUSFU

VizServerClient

Visualization Visualization →→ User UserTying it all togetherTying it all together

hydra.westgrid.ca

arcturus.westgrid.ca

SolutionServerShared

App

AG Node


App

AG Node


App

AG NodeSimulation

&Solution Server

UofA SGI


The Shared App ProcessThe Shared App ProcessCreate

Join

Add Shared App


WestGrid Visualization WestGrid Visualization Shared AppsShared Apps

Visualization server shared appVisualization server shared app AG access to visualization serverAG access to visualization server

Solutions server shared appSolutions server shared app AG access to computational simulationAG access to computational simulation Integrates simulation, visualization, collaborationIntegrates simulation, visualization, collaboration

Generic visualization server frameworkGeneric visualization server framework Generalize solution server shared appGeneralize solution server shared app Currently being designed…Currently being designed…


WestGrid Research ProjectsWestGrid Research Projects

Solutions ServerSolutions Server Shared applications for human-in-the-loop Shared applications for human-in-the-loop

computationcomputation

Quality of Experience in AGQuality of Experience in AG Providing task specific venue configurationProviding task specific venue configuration


Recall: Quality of ExperienceRecall: Quality of Experience

Quality of ExperienceQuality of Experience Measure of human experience, not technologyMeasure of human experience, not technology

Making it workMaking it work Task: What is the user trying to do?Task: What is the user trying to do? Need: What is needed to accomplish the task?Need: What is needed to accomplish the task? Services: What services meet the needs?Services: What services meet the needs?


Quality of ExperienceQuality of Experienceand AccessGridand AccessGrid

Identifying tasks and needsIdentifying tasks and needs What is the user trying to accomplish?What is the user trying to accomplish?

Create task specific AG venuesCreate task specific AG venues Populate venue with services that meet needsPopulate venue with services that meet needs Services are ranked based on importance to taskServices are ranked based on importance to task

Deploying task specific AG servicesDeploying task specific AG services Configure node services appropriate to the taskConfigure node services appropriate to the task Start/stop/configure node services “auto-magically”Start/stop/configure node services “auto-magically”


AG Venue Customizer (AVC)AG Venue Customizer (AVC)The AVC ProcessThe AVC Process

Add Shared AppAVC TaskManager

Choose taskChoose bandwidth

Store Task and Services

VideoService

AudioService

VisService

Change Task

VideoService

AudioService

VisService

AVC User Download taskConfigure services


AVC FeaturesAVC Features

Set of common tasks providedSet of common tasks provided Service config based on CSCW researchService config based on CSCW research

User customizable tasks availableUser customizable tasks available Users can add their own tasksUsers can add their own tasks

Controls node services directlyControls node services directly Works on multi-machine nodesWorks on multi-machine nodes

Adapts services based on networkAdapts services based on network Adaptation sensitive to taskAdaptation sensitive to task


IssuesIssues

Node Services vs Shared AppsNode Services vs Shared Apps Shared AppsShared Apps

Venue controlledVenue controlled Can add features based on purpose, not based on nodeCan add features based on purpose, not based on node

Venue, not node basedVenue, not node based Can’t start up shared apps on other machines in a nodeCan’t start up shared apps on other machines in a node

Node servicesNode services Node, not machine basedNode, not machine based Node controlled, not venue controlledNode controlled, not venue controlled

Need a way to configure services from venueNeed a way to configure services from venue


SummarySummary

Humans are an important grid resourceHumans are an important grid resource CV is the interface to the human elementCV is the interface to the human element Human-in-the-loop computationHuman-in-the-loop computation

Quality of ExperienceQuality of Experience Need to understand the human componentNeed to understand the human component Can’t just throw technology at the problemCan’t just throw technology at the problem

Human-in-the-loop shared applicationsHuman-in-the-loop shared applications Solutions serverSolutions server AccessGrid Venue CustomizerAccessGrid Venue Customizer


AcknowledgementsAcknowledgements

AcknowledgementsAcknowledgements

Todd Zimmerman (SFU) and WestGrid colleaguesTodd Zimmerman (SFU) and WestGrid colleagues

Pierre Boulanger and AMMI group (WestGrid/UoA)Pierre Boulanger and AMMI group (WestGrid/UoA)

Andrew Patrick and the ACE group (NRC/CRC)Andrew Patrick and the ACE group (NRC/CRC)

Funders: CFI, BCKDF, AIS, SGIFunders: CFI, BCKDF, AIS, SGI

For more information:For more information: Contact Brian Corrie (Contact Brian Corrie ([email protected]@sfu.ca))


Demos/Questions…Demos/Questions…

WestGrid Collaboration and Visualization Network

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