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JISC / NSF All Projects Meeting - 25/6/2002. Greg Newton-Ingham| MAAS - Head of the National Advisory Service for Moving Pictures and Sound. Overview. Selection Acquisition Encoding Management and Storage Delivery Use Issues. MAAS. MAAS - Managing Agent & Advisory Service - PowerPoint PPT Presentation
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JISC / NSF All Projects JISC / NSF All Projects Meeting - 25/6/2002Meeting - 25/6/2002
Greg Newton-Ingham|
MAAS - Head of the National Advisory Service for Moving
Pictures and Sound
Overview
Selection Acquisition Encoding Management and Storage Delivery Use Issues
MAAS
MAAS - Managing Agent & Advisory Service BUFVC (www.bufvc.ac.uk)
– BUND– TRILT– MIG– Hermes– Researchers Guide On-Line– Off-Air backup service– Courses, Conferences & Publications
Strategy
AV Content + Technology + Users = Learning
All three components need to be present and work
Strategy = Investing resources before they are required for service
Goals Video and Audio as first class citizens Pervasive High Quality
Moving Image Issues
Content destruction No national catalogue No statutory deposit Scholarly use is different
Selection
Peer Review Content Experts Rights Owners Use Driven
Acquisition
Mother License Rights Negotiations Content Formats Local content Live Content
Encoding
Bureau Regional Expertise Quicktime & Windows Media
• Today - 352 x 288 @ 768Kbits/sec inc. audio
Re-Encoding
Management & Storage
Data Centres Integrated National Approach Bibliographic Search Tools (e.g. Z39.50) Management, Storage and Delivery are
distinct
Delivery
JANET - 10G now Content Delivery Architecture 8 Core POPs Hierarchical Delivery Wan -> Man -> Lan -> Pan
QoS - Quality of Service
Movies need (end to end):– Low Latency - <100ms total budget– Low Jitter - < 10ms (MPEG)– Quality (Low error rate)– Allocated Bandwidth (768Kbps, 1.5M, 2M,
5M)
Net - Institutional
Awareness Raising Network Design Server & Client Placement
Use
Teaching Research Business Support Social Use Anti-Social Use
Issues - Lessons Learning
Content in various forms Content negotiations is neither cheap nor
straightforward We do not know how content will be used
all exploring together Different to bibliographic content
DNER - Future Watch
Digital Asset Management ISMA Specifications MPEG-2 (4:2:2P ML - When stable) MPEG-4 (When available widely) Metadata US-MARC + DOI + INDECS DAM & DRM Systems