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