Date post: | 27-Dec-2015 |
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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
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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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
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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