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Madrid, 24 September 2008

ARCAAccessing federated multimedia content

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Starting point

UNIA-TV

UNIB-TV

UNIC-TV

UNID-TV

Requirements

Across several institutionsTypes of content: live video streaming, VoD and podcast Via WWW Updated data (changes in scheduler or VoD)Flexibility to allow each university to change the scheduler and contents without the obligation of warning administrators of the service

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Requirements

The organization responsible of the content has to be the owner. He has to have the possibility to choose what is published or not.A minimal effort of management and maintenanceCompatible with the publication by other waysManage several formatsCatalogation using:

UNESCO codes for science and technologyCategories used by Spanish Ministry of Education

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Centralized model

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VIDEO

METADATA

Centralized model

Pros:Uniformity in formats and codecsEnsure the media Ensure the avability of service

Cons:Host the mediaRecode the media to our serversDeal with end usersResponsability over the content

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Federation

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Situation

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Services portal over all the contents

IPTV institutional portal

Content production

Networks

ARCA

Very few universities

(PuMuKIT)

Some universities

All universities

Federation

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ARCA federation

Developed by University Carlos III of MadridService provided by RedIRISOpen to all institutionsIn this stage all content is public Independence of institutional repository and the federated one.The model is suitable to the organization’s way of workingHarvest metadata using secure links: SSL

Common languaje for data exchange: RSS 2.0 (with namespaces used in commercial services)

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ARCA

• RSS 2.0

•Widely used

• Known by universities service administrators

• Powerful enough for our purpose

• Easy validation

• Easy to extend

• Namespaces:

• Yahoo media: MRSS: describe multimedia content (media:group, media:credit, media:thumbnail …)

• Itunes: podcast

• Google base events rss: localize events in time and space (g:event_date_range, g:location)

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ARCA

• Formats supported:

•Windows media

•Real

•Mp4

•Quicktime

•Mp3

•Flash

• Languages supported (Spanish, Catalan, Galician, Basque and English)

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ARCA service model

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LIVE

ITUNES

METADATA

METADATA

Streaming Server

HTTP Server

HTTP Server

Streaming Server

ME

TA

DA

TA

CONTENT DOWNLOAD

STREAMING

SEARCH

SEARCH

REUSE

PUSH

PUSH

ARCA facts

•Members

•12 Universities

•1 cultural institution

•2 networks

•10000 elements

•6726 hours

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ARCA future

•Lastest version defines ARCA own namespace

•Series

•Attach documents

•Federated authentication

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Edificio BroncePlaza Manuel Gómez Moreno s/n28020 Madrid. España

Tel.: 91 212 76 20 / 25Fax: 91 212 76 35www.red.es

http://arca.rediris.es