NDIIPP Architectural
Model for Federated Digital Preservation
DLF/Albuquerque
 November 19, 2003

Design Principles
First, do no harm
Humility in the face of change
  Legal
  Economic
  Cultural
  Technological

Design Principles II
Modular approach
Minimal requirements at each level
Implementation-agnostic
The system should never be optimized
Survive the first migration
Piggyback on existing work
  OAIS/W3C/IETF/Digital Libraries

Slide 4

Interfaces

New Encapsulation

Connections Between Institutions

Connection Overview
Import/Export
Access/Storage
These matter more than any instantiation
Must survive changes of hardware
Must survive element design changes

System as a Whole
So where's the preservation layer?
Preservation arises from institutions, not technology
System as a whole provides tools for stewardship