Jim DeRoest Director

Streaming Media Technologies

History and Architecture

◦ ResearchChannel, UWTV, and KEXP development project Project initiated 8 years ago

◦ Exploit next generation cyber-infrastructure: High resolution, High Bandwidth objects - Deliver Realism

◦ End 2 end: acquire, describe, manage, discover and deliver

◦ Initial broadcast support focus◦ Later focus extended to include digital library

functionality Campus-wide repository support – UW Catalyst partnership

History and Architecture cont …

◦ Format agnostic middleware application◦ Metadata-centric

Ext Dublin Core/MPEG7 base support for custom attributes◦ .Net framework◦ Web Services 2.0 API

Portal and tool development◦ Large populations

Administrators, groups, collections, objects◦ Authentication/Access Controls

Shibboleth – exploit InCommon federation

History and Architecture cont …

◦ Scalable-pluggable architecture◦ Storage abstraction

Storage pools, tiered environments◦ Data Grid Enabled – SDSC Storage Resource Broker

Participant site in WUNGridInvestigating migration from SRB to iRodsIntegrating GridShib and investigating VO services

◦ Open source – I2 spring 2006

Transcoding

Edit Suites

BroadcastServices

DigitalWell

DB

Master Dub

DB

Media Servers

SRB Archive &Federation Services

DigitalWell Environment

NetworkData Grid

FederatedSRB Repositories

FederatedSRB Repositories

FederatedSRB Repositories

SRB Servers

MCAT

DB

UW SRB

Tiered Storage

DigitalWellDB

Metadata Map

Media ServersData Pipe

Data Pipe

Content Delivery

Access, Admin, Search, WSAPI

Preservation Services

Other Digital Libraries DigitalWell

Federation Architecture

Collection architecture and admin tool

◦ Collection TopologyCollection objects – FoldersFolder objects – AssetsRelations – Media Groups

◦ Base metadata schema enforced12 AttributesAdvanced fields – custom discipline specific attributes

Collection architecture and admin tool …

◦ Per object or batch collection importCollection + XML metadata synchronization

◦ Federated metadata mapping and synchronizationStandard base + Discipline specific attributesExtension schemas MPEG7, PBCORE, IEEE LOM, AAF/XMF

◦ SearchText search based on LuceneTranscripts and Caption supportInvestigating: Speech to text, phonetic, object

tagging/recognition

Sampling of Non-broadcast Collections

◦ Microsoft Research Lecture Series◦ Health Sciences – Continuing Medical Education Series◦ School of Music – Ethnomusicology◦ College of Forestry – Sat Images Old Growth Forests◦ KDNA – Spanish Radio ◦ DO-IT – Disabilities, Opportunities, Internetworking, and

Technology ◦ And more …

+300,000 objects - docs, jpgs -> uncompressed HD

UW Libraries, Digital Library Initiative ◦ http://content.lib.washington.edu/smweb/

UW Medicine, Continuing Medical Education & Telehealth◦ http://depts.washington.edu/cme/online/

ResearchChannel ◦ http://www.researchchannel.org/

KEXP Radio 90.3FM◦ http://www.kexp.org/

DO-IT◦ http://www.washington.edu/doit/

Next Steps … YouTube-like portal for Research

• Serve as a premier outlet for researchers to fulfill their public outreach requirements

• Provide a collaborative platform to teams who could potentially be geographically dispersed

• Foster interaction and communication between members of the public and researchers

Architectureo .Net platformoSocial services – Community ServeroDigital asset management/delivery services - DWo Federation grid services – iRodsoConferencing - iHD1500, ConferenceXP, AGoGrid portal interface – SOKU framework

oAnnounce Fall ‘07 Internet2 meeting

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