DPN members from eleven institutions are currently engaged in a Peer-to-Peer pilot to explore transfer and preservation needs for very large amounts of data. Deposits of petabytes of content will require solving a variety of complex issues. The challenges addressed in this pilot will inform many of the problematic aspects of digital preservation for the wider community. This is pilot is a great example of DPN members working together to achieve solutions that cannot be realized separately. The results of this pilot will potentially inform the rollout of a solution of a DPN brokered service for members with very large collections.