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<p>The Jade file system, which provides a uniform way to name and access files in an Internet environment, is introduced. Jade is a logical system that integrates a heterogeneous collection of existing file systems in which underlying file systems support different file access protocols. Because of autonomy, Jade is designed under the restriction that the underlying file systems may not be modified. In order to avoid the complexity of maintaining an Internet-wide, global name space, Jade permits each user to define a private name space. Jade's name space supports two features: it allows multiple file systems to be mounted under one directory, and it permits one logical name space to mount other logical name spaces. A prototype of Jade has been implemented to examine and validate its design. The prototype consists of interfaces to the Unix File System, the Sun Network File System, and the File Transfer Protocol. An overview of Jade's design is reported, and the authors' experiences in designing and implementing a large scale file system are reviewed.</p>
Jade file system; Internet; file access protocols; global name space; multiple file systems; logical name space; Unix File System; Sun Network File System; File Transfer Protocol; large scale file system; distributed processing; file organisation; information services

H. Rao and L. Peterson, "Accessing Files in an Internet: The Jade File System," in IEEE Transactions on Software Engineering, vol. 19, no. , pp. 613-624, 1993.
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