''Leafnode'' is a store-and-forward

NNTP The Network News Transfer Protocol (NNTP) is an application protocol used for transporting Usenet news articles (''netnews'') between news servers, and for reading/posting articles by the end user client applications. Brian Kantor of the Univers ...

(or

Usenet Usenet () is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis conceived the idea in 1979, and it was ...

)

proxy server In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. Instead of connecting directly to a server that can fulfill a request ...

designed for small sites with just a few active

newsgroup A Usenet newsgroup is a repository usually within the Usenet system, for messages posted from users in different locations using the Internet. They are discussion groups and are not devoted to publishing news. Newsgroups are technically distinct ...

s, but very easy to set up and maintain, when compared to

INN Inns are generally establishments or buildings where travelers can seek lodging, and usually, food and drink. Inns are typically located in the country or along a highway; before the advent of motorized transportation they also provided accommo ...

. Originally created by Arnt Gulbrandsen in 1995 while he was working at

Trolltech The Qt Company (pronounced "cute"; formerly Trolltech and Quasar Technologies) is a software company based in Espoo, Finland. It oversees the development of its Qt application framework within the Qt Project. It was formed following the acqui ...

, it is currently maintained by Matthias Andree and Ralf Wildenhues. The term leaf node can also be used to describe a node on a

binary tree In computer science, a binary tree is a k-ary k = 2 tree data structure in which each node has at most two children, which are referred to as the ' and the '. A recursive definition using just set theory notions is that a (non-empty) binary t ...

(or any other sort of tree that has nodes) which has no sub-nodes.

References

External links

Official website

Leafnode at SourceForge.org

Installing and Configuring LeafNode
Usenet Usenet servers {{compu-network-stub