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Overview. SPIRE project: Looking at the feasibility of P2P in UK higher education Focused on Penn States open source P2P system ‘ LionShare ’ which is a heavily modified version of the ‘ Limewire ’ project (released version 1.0 end of Sept 05)

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overview
Overview
  • SPIRE project: Looking at the feasibility of P2P in UK higher education
  • Focused on Penn States open source P2P system ‘LionShare’ which is a heavily modified version of the ‘Limewire’ project (released version 1.0 end of Sept 05)
  • Major difference between normal P2P and LionShare is the inclusion of Authentication and Authorisation
  • P2P and Authentication +Authorisation is a complex mix
lionshare features
LionShare Features

• Authentication and Authorization

• Directory Integration

• Verification of Sharer’s Identity

• Access Control

• Network File Storage and Sharing

• Automated Metadata

• Image Preview

• Federated Repository Search

• User Profile

• Support for Multiple Metadata Schemas

• Creative Commons Licensing

protocols
Protocols
  • Uses Gnutella for P2P
  • Uses HTTP to move files
  • Can search over repositories using ECL or OKI OSID
  • Chat via Jabber
  • Has bespoke protocol with SASL-CA
main ingredients for lionshare
Main Ingredients for LionShare
  • The peer on your desktop (client and a server)
  • SASL-CA server (to provide the peer with network certificates)
  • Directory service (LDAP or Active Directory (with Eduperson))
  • Network Security (Kerberos)
  • Shibboleth 1.3 (to control access to files)
three pronged approach
Three Pronged Approach
  • Active Directory based install controlled by TALL for early adopter community (broken)
  • Install linked into Oxford Universities central LDAP (finished)
  • Install linked to the SDSS text Shibboleth federation (ongoing)

Next Step

  • Build simple version into Reload
slide7

Informal to Formal:Tools

  • Within repositories: P2P, Wikis, Blogs
  • Description of specific technologies or a mode of use?
  • Technologies that can be contributed to…

Informal:

  • Wiki
  • Blogs
  • P2P
  • Flickr
  • My Space
  • Del.ic.ious

Formal:

  • Dspace
  • E-prints
  • VLEs
  • Institutional Websites
slide8

Informal to Formal:Features

Informal:

  • You won’t have to talk to a lawyer
  • Often ‘on the web’
  • Open remit, no heavily prescriptive ideology
  • Not assessed
  • Not ‘officially’ published
  • Casual approach to rights
  • Collaboration is key (content is written ‘into’ the tool)
  • Often a social network

Formal:

  • You might have to talk to a lawyer
  • You may have to be a member of an institution
  • Maybe assessed
  • Clear ideology / structure
  • Collaboration is often indirect (holds objects)
  • Provided by employer
  • ‘Secure’
  • Could be used for publication
slide9

Informal to Formal:LionShare Mapped

Informal:

  • Informal and ‘open’ philosophy
  • Not used for formal publication
  • Not assessed

Formal:

  • Institutional sign-in
  • Can restrict access to selected objects
  • Not highly collaborative (indirect)
  • Provided by employer
  • Conscientious about rights
slide10

Informal to Formal:Publication Cycle

RepoMMan project

Can these ideas be mapped against this principle?

slide11

Implications

  • Institutions should encourage the use of informal repositories
  • Institutions should suggest a path (workflow) from informal to formal repositories without attempting to own the informal element
  • Once paths have been established issues of interoperability should be tackled
  • Institutions should not necessarily attempt to ‘own’ informal repositories
  • Institutions should find ways of building informal repository use into assessed / reward outcomes?
  • The data on informal repositories is relatively transient
project site
Project Site

http://spire.conted.ox.ac.ukdavid.white@conted.ox.ac.ukhttp://lionshare.its.psu.edu/main/