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Tahoe is a secure distributed filesystem that is designed to conform with the principle of least authority. The developers behind the project announced this month the release of version 1.5, which includes bugfixes and improvements to portability and performance, including a 10 percent boost to file upload speed over high-latency connections. Tahoe's underlying architecture is similar to that of a peer-to-peer network.
Tahoe-LAFS ( Tahoe Least-Authority Filesystem ) is an open source , secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system . [ 3 ] [ 4 ] It can be used as an online backup system, or to serve as a file or web host similar to Freenet , [ 5 ] depending on the front-end used to insert and access files in the Tahoe system. Tahoe can also be used in a RAID -like manner to use multiple disks to make a single large RAIN pool of reliable data storage. The system is designed and implemented around the " Principle of Least Authority " (POLA). Strict adherence to this convention is enabled by the use of cryptographic capabilities which grant the minimal set of privileges necessary to accomplish a given task to requesting agents.
This page is about the "Public Test Grid", which is also called the "pubgrid". The pubgrid has several purposes: to make it easier for people new to tahoe to begin to experiment to enable small-scale trial use of tahoe to help the tahoe community gain experience with grids of heterogenous servers without a pre-existing social organization The pubgrid also has two critical non-goals The pubgrid is not intended to provide large-scale storage, and it is not intended to be reliable.