using a hierarchy of sites to help decentralise administration
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Using a Hierarchy of Sites to Help Decentralise Administration. Dr Adam Marshall, The University of Oxford. Topics. Overview of Oxford IT support model Challenges Approach Hierarchy Managing access Administration sites Issues Future initiatives. March 2010. - PowerPoint PPT PresentationTRANSCRIPT
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Using a Hierarchy of Sites to Help Using a Hierarchy of Sites to Help Decentralise AdministrationDecentralise Administration
Dr Adam Marshall, The University of Oxford
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Topics• Overview of Oxford IT support model• Challenges• Approach• Hierarchy• Managing access• Administration sites• Issues• Future initiatives
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Oxford UniversityFirst of all, some gratuitous photos of …
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The Oxford IT ModelI will now talk about …
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The lay of the land
There are 704 IT support staff:• 38 colleges • 6 permanent private halls• 7 Divisions (4 academic)• 193 departments• 20,000 students• 18,000 staff
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Sakai support
• Small central team (3 people)• ‘WebLearn’ Service manager; Learning
technologist / trainer; Developer
• Each unit has IT support staff (ITSS)• Each unit has Sakai administrators
• Called ‘Local WebLearn Coordinators’• Create / setup / manage sites• First line of support
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ChallengesNow it’s time to hear about …
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Requirements
• A hierarchy of sites• Access for ‘large groups’• Local coordinators have ‘admin’ rights• Local coordinators can delegate rights
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Local Coordinators Must
• Be able to create new & copy existing sites• Place and move sites in the hierarchy• Grant create rights to others• Have access to all a unit’s sites• Assign visit rights to:
• .auth, .anon, ‘all staff’, ‘all students’, ….
• Not do anything too dangerous!
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ApproachTime to explain our …
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What we did
• Project sites only• Arranged in hierarchy• Administration Sites (Cf Admin Workspace)
• One per unit• Participants have reduced ‘admin’ rights• Different roles
• Improved ‘Manage Access’ page
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HierarchyThis is a hard word to spell …
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Oxford Hierarchy
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Welcome Page
Division
Department
Module
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Implementation
• Used hierarchy service from Evaluations• Overlay hierarchy over pool of sites• No inheritance• Only display sites user can visit
• .auth / .anon sites can be in hierarchy
• Use tabs as ‘breadcrumb trail’• New ‘hierarchy box’ under ‘tool list’• New ‘manage box’ under ‘hierarchy box’
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Welcome Page
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Navigation
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Welcome Page Division Department
Breadcrumb trail
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Tools
• Create site• Bring site (a site can be in > 1 place)• Arrange (remove, swap)• Need:
• Move / remove tree• Copy tree• ‘Primary location’• ‘Sync instances’ – same sub-sites everywhere
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Issues
• My Workspace is sidelined• Users expect inheritance (like our old VLE)• Users want ‘Search under here’• ‘Active sites’ list has no context• Navigation if parent site is not visible• Can’t actually delete sites
• Since no record is kept: too dangerous!
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Supplementary Tools• Find sites with ‘and visit’ patch• ‘Search all my sites’ option• Grey-out unpublished sites• Improved access management (see later)• Administration sites plus tools (see later)
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Find Sites Tool
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Managing AccessNow some information about …
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Requirements• Easy assignment of .auth & .anon: ‘site.visit’
• But prevent dangerous .anon
• LDAP integration• ‘All Staff’ & ‘All students’: ‘site.visit’• Find sites (site-browser) tool• ‘Auto-join’ patch (would be good!)• Reusable internal & ad-hoc groups (coming)
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Site Info: Manage Access
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Site Info: Add Participants
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Administration SitesThe moment you’ve all been waiting for …
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Requirements
• Administrator powers but,• Simpler• Safer• Constrained
• Create sites• Manage hierarchy• ‘Administrator’ access to unit’s hierarchy• A second level with less rights• ‘Auditor’ access
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How Admin Sites Work• Are said to manage other sites• Have three roles:
• Admin (Local WebLearn Coordinators)• Create sites in unit’s area • Visit admin site & add others• Automatically have ‘maintain’ rights is all managed sites
• Member (Lecturers / Administration staff)• Create sites where maintainer
• Audit (Internal / External auditors)• Visit and read rights
• Admin Sites have dedicated tool: Site List
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Creating a Site
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Admin Sites Managing Project Sites
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Welcome Page
Division
Department
Module
= Admin site
= Project site
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Site List and Roles
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Admin Site Roles
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Division
Department
Module
= Admin site
= Project siteMember
Admin
Audit
Barbie: http://www.flickr.com/photos/34281632@N03/4060738088/
Mr Potato Head: http://www.flickr.com/photos/tinker-tailor/4264780554/
Action man: http://www.flickr.com/photos/tinker-tailor/4264099802/in/set-72157623183566430/
Maintain
Can ‘maintain’ all sitesCan create new sites
Can create sites
where maintainer
Can browse all sites
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Management
• We have drafted guidelines• Users must request ‘Admin Site’ • Sign to say “guidelines have been read”• We keep public list of Local Coordinators
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IssuesAnd finally …
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Common Problems
• Users don’t read guidelines/documentation• Misunderstandings
• A user gave .anon access to admin site. This made all managed sites .anon too. Whoops!
• Departments don’t formulate a policy• No coherent approach – confused students• Too many sub-sites• Too few sub-sites!
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In Summary
• Users like what we’ve done• But old VLE (Bodington) had same features• Seems to work well
• Lots of user education needed• Need more tools• Merging process is very difficult (use Git)
• Sakai 3 – arrgghh!!
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Future initiativesLet us now gaze into our crystal ball …
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What’s Next? (1)
• Smartphone interface• Uses JSON / SDATA & oAuth• Information summary• Tutorial sign-up (Yale)
• Oxford podcasts• News tool with media player & feed browser
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What’s Next? (2)
• Groups store integration• Centrally stored ad-hoc groups • Will replace internal groups
• Evaluations tool• Extend Turnitin support• Sharepoint & Exchange interoperability!
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