The aim is to provide an infrastructure that can be used by the scientific community to help distribute and manage very large datasets. The architecture consists of a hierarchical P2P system, which is based around a shared-portal service and unique mini-peers.
Necho consists of a two-layered peer hierarchy. Peers are associated with a portal and provide the backbone infrastructure to the P2P network, while mini-peers are governed by peers to aid the distribution of data from a peer - see architecture overview diagram above.
The backbone tier (portal peers) consists of a portal service hosted potentially by academic institutes or researcg laboratories which are part of a particular project. A portal provides each hosting partner with a collaborative application interface to the content. The peers are controlled in a distributed fashion, via a portal. The collaborative tools allow project partners to update and manage their data, and their system resource contributions to the network.
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