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Relais™ Discovery to Delivery™ (D2D™)

With D2D, you can:

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Provide a seamless discovery to delivery experience

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Distribute work evenly

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Save time through interoperability

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Connect outside your consortium

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Share e-resources without staff intervention


Provide a seamless discovery to delivery experience

Let your users search your consortial collections alongside your own in the same interface. Their search results incorporate real-time availability and restrictions due to local lending policies. They can easily submit requests, track them, and get email updates.


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Distribute work evenly

When a user places a request, D2D automatically builds the routing list based on availability and library preferences. D2D distributes load balancing requests equitably among your consortium’s libraries to avoid overburdening any one library. In addition, D2D can use tiers to build the routing lists to ensure a logical order, for example, based on geographic location.


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Save time through interoperability

D2D interoperates with your local ILS and checks real-time availability before sending your library a request. As a lending library, you simply grab the pick slip and find the item on your shelf. Once your staff updates the request in D2D, your circulation transactions update automatically in your ILS to keep your availability information up to date.

D2D interoperates seamlessly with the following library systems:

  • Evergreen*
  • Ex Libris Aleph
  • Ex Libris Alma
  • Ex Libris Voyager
  • Innovative Millenium
  • Koha*
  • Kuali OLE
  • SirsiDynix Symphony
  • SirsiDynix Unicorn
  • SirsiDynix Horizon
  • TLC
  • WorldShare Management Services*

*partial interoperability


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Connect outside your consortium

If none of your consortium’s libraries have the resource your user needs, D2D can automatically send requests to other lending libraries. Track and manage those requests with D2D, keeping all your ILL work in one place.


Share e-resources without staff intervention

Set up D2D to automatically deliver e-resources to the requester through Post to Web or an email attachment. When you lend e-resources to other libraries, D2D also supports Odyssey.


Relais Discovery to Delivery (D2D) optimizes users’ ability to discover library resources within your consortium and get immediate access to or request delivery of the material with little or no intervention from library staff. It also provides the tools staff need to request and track material that cannot be filled within the consortium.

Service availability

  • Relais Discovery to Delivery (D2D)

    Available in Australia, Canada, New Zealand and the United States

Learn more

Past and recorded events

Watch this space for past and recorded D2D events.

See all D2D events »

Recent news

Watch this space for D2D news.

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