DOI policies
allow any 
business model
for practical
 implementations
•Implementation through IDF
–Governance and agreed scope, policy, “rules of the road”
–Technical infrastructure: resolution mechanism, proxy servers, mirrors, back-up, central dictionary,
–Social infrastructure: persistence commitments, fall-back procedures, cost-recovery (self-sustaining), shared use of ip
–Not a standard but a Registration Authority/maintenance agency (cf bar code and EAN)
•Registration agencies
–Each can develop own applications
–Use in “own brand” ways appropriate for their community
–Cf. bar code country agencies etc