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System for and method of providing delta-versioning of the contents of PCTE file objects

  • US 5,623,661 A
  • Filed: 11/29/1995
  • Issued: 04/22/1997
  • Est. Priority Date: 12/07/1994
  • Status: Expired due to Term
First Claim
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1. A method of providing delta-versioning for data associated with one or more specified objects stored in a data repository, the data being stored on a host file system, comprising the steps of:

  • (i) defining a delta-versioning program to be used with the data associated with each of said one or more specified objects;

    (ii) creating a delta control file and associating the delta control file with each of said one or more specified objects, the data associated with each of said one or more specified objects being incorporated into said delta control file and otherwise removed from the host file system;

    (iii) associating a unique identifier with each of said one or more specified objects, said identifier indicating the contents of said delta control file required to reconstruct the data associated with the specified object associated with said identifier.

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