Boots – shoes – and leggings
Patent
1995-01-27
1996-04-30
Canney, Vincent P.
Boots, shoes, and leggings
3642453, 3642853, G06F 1100
Patent
active
055133142
ABSTRACT:
A network computer system providing for the fault tolerant storage and retrieval of data files includes a client system connected to a data communication network that may source a first data transfer request to said data communication network for the transfer or retrieval of data. A first server system, including first medium for storing data files, is connected to the data communication network so as to be responsive to first data transfer requests. A second server system, including second medium for storing data files is also connected to said data communication network to also be responsive to first data transfer requests. A control protocol, established between the first and second server systems, coordinates an asymmetric response by the first and second server systems to a first data transfer request, such that file data transferred by the client with the first data transfer request is replicated to the first and second storing mediums and such that file data transferred to the client system in response to the first data transfer is non-replicatively provided to the client system by either the first or second server system.
REFERENCES:
Modern Operating Systems by Andrew S. Tanenbaum .COPYRGT.1992 by Prentice-Hall Inc., pp. 145-146.
Operating System Concepts by Abraham Silverschatz et al. .COPYRGT.1994 by Addison-Wesley Co. Inc., pp. 349-354.
Disk Arrays Explained by Roger C. Alford, an article appearing in the Oct. 92 edition of Byte.
"Implementation of Ficus Replicated File System", USENIX Summer Conference, Jun., 1990, Guy, et al., pp. 63-70.
"A Highly Available Network File Server", USENIX Winter Conference, 1991, Bhide, et al. pp. 199-205.
"Deceit: A Flexible Distributed File System", NASA Report, Dec. 7, 1989, Siegel, et al. 1-34.
"A Comparison of Two Approaches to Build Reliable Distributed File Servers", Bhide, et al.
"Attributes of Total Performance for NFS File Server Users--Beyond Speed to Real-World Performance", IDC Opinion #8860, Frankle & Finos, Jun., 1994, pp. 1-7.
Butler Mitchel B.
Foss Andrew L.
Kandasamy David R.
Patwardhan Chintamani M.
Peterson Bradley M.
Auspex Systems, Inc.
Canney Vincent P.
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