Data processing: database and file management or data structures – Database design – Data structure types
Patent
1996-05-17
2000-07-11
Dinh, Dung C.
Data processing: database and file management or data structures
Database design
Data structure types
707 10, 709227, G06F 1730
Patent
active
060887060
ABSTRACT:
A data management system and a method for managing copies of a shared data file maintained on a plurality of computer systems that are connectable via a mobile communications network. The method comprises: for each copy of the shared data file, maintaining a record of modifications made to that copy; retrieving, via connection to the mobile communications network, the records maintained for other copies of the shared data file; merging the retrieved records to generate a sequence of modification; applying predefined rules to the sequence of modifications to resolve conflicts within the sequence of modifications; and modifying the copies of the shared file based on the conflict-resolved sequence of modifications. The solution is not restricted to a particular set of applications. It improves efficiency since it retains communication autonomy from the applications. Applications need not be modified to make use of the facilities provided.
REFERENCES:
patent: 5261051 (1993-11-01), Masden et al.
patent: 5333312 (1994-07-01), Wang
patent: 5469503 (1995-11-01), Butensky et al.
patent: 5490270 (1996-02-01), Devarakonda et al.
patent: 5608426 (1997-03-01), Hester
patent: 5706510 (1998-01-01), Burgoon
patent: 5774717 (1998-06-01), Porcaro
Lu et al, "Improving Data Consistency in Mobile Computing Using Isolation-Only Transsactions" IEEE pp. 124-128, Sep. 1995.
Kumar, "Coping with Conflicts in an optimistically Replicated File System", IEEE, pp. 60-64, Mar. 1990.
"Consistency and Recovery Control for Replicated Files", Danco Davcev and Walter A. Burkhard, Proceedings of the Tenth ACM Symposium on Operating Systems Principles, 1985, pp. 87-96.
"An Overview of Reliability Mechanisms for a Distributed Data Base System", Michael Hammer and David Shipman, 1978, pp. 63-65.
"Compressing TCP/IP Headers for Low-Speed Serial Links", V. Jacobson, Feb. 1990.
"Combining Location and Data Management in an Environment for Total Mobility", Monica Wachowicz and Stefan G. Hild.
"Lesson 18: Working Out of the Office", Consumer Tested 10 Minute Guide to Lotus Notes Release 3 for Windows, Kate Barnes, 1995.
"Using Briefcase to Keep Documents Up-To-Date", "To Keep Files Synchronized by Using a Floppy Disk", "To Synchronize Files on Connected Computers", from Help files for Microsoft Briefcase in Microsoft Windows 95.
"Disconnected Operation for Wireless Nodes Position Statement", Stefan G. Hild, May 19, 1995, pp. 1-23.
"File Replication in a Mobile Environment", Stefan G. Hild and Peter Robinson, Nov. 30, 1995, pp. 1-29.
"Disconnected Operation in the Coda File System", James Kistler and M. Satyanarayanan, ACM Transactions on Computer Systems, vol. 10, No. 1, Feb. 1992, pp. 3-25.
Dinh Dung C.
Herndon Jerry W.
International Business Machines Corp.
Nguyen Dzung C.
LandOfFree
System and method for managing replicated data by merging the re does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for managing replicated data by merging the re, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for managing replicated data by merging the re will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-552312