1
Donavon W Johnson, Todd A Smith: Remote authentication and authorization in a distributed data processing system. International Business Machines Corporation, Marilyn D Smith, Diana L Roberts, September 24, 1996: US05560008 (355 worldwide citation)

The system and method of this invention authorizes a process running at a client data processing system to have access to a service at a server data processing system. The data processing systems are connected by a communication link in a distributed processing environment. A set of credentials for ...


2
Albert Chang, Grover H Neuman, Amal A Shaheen Gouda, Todd A Smith: System and method for using cached data at a local node after re-opening a file at a remote node in a distributed networking environment. International Business Machines Corporation, Marilyn D Smith, January 30, 1990: US04897781 (307 worldwide citation)

In a distributed environment several data processing systems are interconnected across a network system. A distributed services program installed on the systems in the network allows the processors to access data files distributed across the various nodes of the network without regard to the locatio ...


3
Donavon W Johnson, Grover H Neuman, Charles H Sauer, Amal A Shaheen Gouda, Todd A Smith: System and method for accessing remote files in a distributed networking environment. International Business Machines Corporation, Marilyn D Smith, December 12, 1989: US04887204 (275 worldwide citation)

A distrbuted services program installed on each of a plurality of data processing systems in a network allows the processors to access data files distrbuted across the various nodes of the network.


4
Donavon W Johnson, Amal A Shaheen Gouda, Todd A Smith: Distributed file access structure lock. International Business Machines Corporation, Whitham & Marhoefer, December 29, 1992: US05175852 (225 worldwide citation)

A distributed file management system (DFS) with a plurality of nodes and a plurality of files is disclosed. The DFS uses the UNIX operating system tree structure employing inodes (data structures containing the administrative information of each file) to manage the local files and surrogate inodes ( ...


5
Donavon W Johnson, Stephen P Morgan, Todd A Smith: Maintenance of file attributes in a distributed data processing system. International Business Machines Corporation, Wayne P Bailey, Marilyn D Smith, May 12, 1992: US05113519 (202 worldwide citation)

The system and method of this invention maintains the latest file attributes such as file size, modify time, and access time, at the server data processing system in a distributed data processing system. The server data processing system combines information requested from the client data processing ...


6
Larry W Henson, Amal A Shaheen Gouda, Todd A Smith: System for file and record locking between nodes in a distributed data processing environment maintaining one copy of each file lock. International Business Machines Corporation, C Lamont Whitham, April 13, 1993: US05202971 (190 worldwide citation)

A conventional single node operating system is provided with a distributed file management system (DFS) with a plurality of nodes and a plurality of files. The DFS uses the UNIX operating system tree structure employing inodes (data structure containing administrative information for each file) to m ...


7
Donavon W Johnson, Larry K Loucks, Charles H Sauer, Todd A Smith: Single system image uniquely defining an environment for each user in a data processing system. International Business Machines Corporation, Whitham & Marhoefer, March 19, 1991: US05001628 (142 worldwide citation)

These master system files define the system characteristics that a user at any node in the system can expect to have. The master system files are mounted remotely from each of the nodes of the system and a local copy of the master system files is kept locally reflecting the current contents of the m ...


8
Larry K Loucks, Todd A Smith: Flexible interface to authentication services in a distributed data processing environment. International Business Machines Corporation, Marilyn D Dawkins, Wayne P Bailey, Robert M Caruell, January 2, 1996: US05481720 (136 worldwide citation)

In a distributed data processing system, the authentication of a process at one node for the use of a service at another node is performed in a facility that is separate from the requestor and service process. The separate facility is also replaceable, thereby allowing different authentication polic ...


9
Donavon W Johnson, Amal A Shaheen Gouda, Todd A Smith: Directory cache management in a distributed data processing system. International Business Machines Corporation, Douglas H Lefeve, September 29, 1992: US05151989 (126 worldwide citation)

An improved directory caching technique is provided for a plurality of data processing systems which are connected together in a network. In the system, when a local, or client, data processing system interrogates a remote, or server, data processing system for a unit of directory information, the s ...


10
Larry W Henson, Donavon W Johnson, Stephen P Morgan, Todd A Smith: File lock management in a distributed data processing system. International Business Machines Corporation, Douglas H Lefeve, July 6, 1993: US05226159 (80 worldwide citation)

A distributed data processing system and method in which locks on a file are supported by a data structure that resides on either a client machine or on the file's server. When only a single client's processes are locking a file, the data structure can reside on that client. Whenever a plurality of ...



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