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OpenFt
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'''OpenFT''' is a
file sharing protocol (computing) protocol developed by the
giFT project.
The name "OpenFT" stands for "Open
FastTrack". Despite this, the OpenFT protocol is an entirely new protocol design: only a few ideas in the OpenFT protocol are drawn from what little was known about the
FastTrack protocol at the time OpenFT was designed.
When one says 'OpenFT', one can mean either one of two different things: the OpenFT protocol, or the implementation in the form of a plugin for giFT.
OpenFT File sharing protocol
From the
giFT documentation at [http://gift.sf.net the giFT homepage]:
Like
FastTrack and
Napster, OpenFT is a network where
node (networking) nodes submit lists of shared files to other nodes to keep track of which files are available on the network. This reduces the bandwidth consumed from search requests at the price of additional memory and processing power on the nodes that store that information. The transmission of shared lists is not fully recursive: a node will only transmit its list of shared files to a single search node randomly chosen as that node's "parent", and the list of those files will not be further transmitted to other nodes.
OpenFT is also similar to the
Gnutella network in that search requests are recursively forwarded inbetween the nodes that keep track of the shared files.
There are three different kinds of nodes on the OpenFT network:
*USER
:Most nodes are USER nodes; these don't have any special function.
*SEARCH
:These nodes handle search requests; they search the filelists their CHILD nodes (explained below) submit to them. These nodes must have a capable Internet connection and at least 128M
Random Access Memory RAM. A modern processor is highly recommended as well.
* INDEX
:Nodes with fast connections and lots of memory can be INDEX nodes, which keep lists of available search nodes, collect statistics, and try to maintain the structure of the network.
A node can be both a SEARCH and an INDEX node.
USER nodes will pick three SEARCH nodes to be their PARENT nodes. They will submit their shares list to them if the PARENT accepts the USER as its CHILD. By default, SEARCH nodes will be PARENTS for a maximum of 500 CHILD nodes.
For more technical information about OpenFT, you must read the source code, because there's no document covering that at the moment. Also, you can use
Doxygen to generate documentation from comments in the source files, using doxygen/doxygen.conf in the
Concurrent Versions System CVS repository.
Fujitsu Siemens OpenFT Enterprise file transfer solutions
From the
Fujitsu Siemens documentation at [http://www.fujitsu-siemens.com/products/software/openseas/openft.html Fujitsu Siemens]:
'''openFT Enterprise file transfer solutions''': automated, secure and cost-efficient.
openFT from
Fujitsu Siemens Computers satisfies all requirements that are placed on modern
File Transfer Protocol file transfer, with special attention being paid to the support of company-wide
computer network networks and
Electronic business eBusiness architectures. This includes availability on many platforms, support for all major
telecommunications network network types, automatic restart, automation capability and reasonable operating costs.
openFT guarantees the highest possible security and reliability:
* Protection of the local system from unauthorized access
* Automatic recording of all transfer processes to reduce the chances of unauthorized access to zero
* Administration-free
encryption for job and user data
* Firewall strategies
openFT also allows transfer charges to be minimized by transferring data when rates are reduced and uses compression to reduce the number of
bytes. In case of a transfer interruption, the automatic restart function ensures that data does not have to be sent again. Furthermore, openFT supports
mobile computing and is suitable for
e-commerce.
Category:File sharing programs
Category:Free software
Category:File sharing networks
see
OpenFT
see
OpenFT
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