Coupled file access

Details Coupled file access Coupled file access

1997-12-23

2000-01-25

Lintz, Paul R.

Data processing: database and file management or data structures

Database design

Data structure types

707201, 707 10, 707 8, G06F 1730

Patent

active

06018745&

ABSTRACT:
A computer network system and technique enables linked files, such as those that are physically distinct but data dependent, to be simultaneously accessed. Elements, whether they are realized in hardware or software, are located in both the servers and the clients in a network. A remote data server (RDS) element in a server receives coupled file access (CFA) requests from clients. A corresponding element at the client includes the names of the linked files, a file access priority, and a file access communication timeout in the CFA request. The RDS element, upon accepting a CFA request, initializes a CFA thread. A CFA thread maps the requested files into virtual memory. The server, through the CFA thread, can then proceed to provide the requisite access from the virtual-memory-mapped images. Other elements within the network can therefore access the same files from the same or another virtual memory mapping. The coupled file accessing prevents mismatches of linked files.

REFERENCES:
patent: 5664178 (1997-09-01), Sinofsky
patent: 5721904 (1998-02-01), Ito et al.
patent: 5729733 (1998-03-01), Sharif-Askary
patent: 5857187 (1999-01-01), Uenoyama et al.

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