Profile service

Details Profile service Profile service

1999-05-19

2003-04-01

Kizou, Hassan (Department: 2662)

Multiplex communications

Channel assignment techniques

Details of circuit or interface for connecting user to the...

C709S220000, C709S203000, C707S793000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

06542515

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates, in general, to enterprise computing systems and methods, and, more particularly, to a method and system that provides a high performance interface to integrate, store, retrieve and manage reference information about entities.
2. Relevant Background
Computer systems including business systems, entertainment systems, and personal communication systems are increasingly implemented as distributed software systems. These systems are alternatively referred to as “enterprise networks” and “enterprise computing systems”. These systems include application code and data that are distributed among a variety of data structures, data processor systems, storage devices and physical locations. They are intended to serve a geographically diverse and mobile set of users. This environment is complicated because system users move about the distributed system, using different software applications to access and process data, different hardware to perform their work, and often different physical locations to work from. These trends create a difficult problem in providing a secure yet consistent environment for the users.
In general, distributed computing systems must scale well. This means that the system architecture desirably adapts to more users, more applications, more data, and more geographical distribution of the users, applications, and data. The cost in money and time to switch over a network architecture that is adapted to a smaller business to one suited for a larger business is often prohibitive.
A conventional computing system uses a client/server model implemented on a local area network (LAN). In such systems powerful server computers (e.g., application servers and file servers) are used to process and access data. The requested data is then transmitted to the client computer for further processing. To scale to larger networks, multiple LANs may be internetworked using, for example, leased data lines to create a wide area network (WAN). The equipment required to implement a WAN is expensive and difficult to administer. Also, as networks become larger to include multiple LANs and multiple servers on each LAN it becomes increasingly difficult to find resources (i.e., files, applications, and users) on any one of the LANs.
As computing power continues to become less expensive, clients tend to process and store their own data, using the server primarily as file servers for sharing data with other client computers. Each software application running on the client, or the client's operating system (OS) may save client-specific configuration data that is used by the client to fine-tune and define the user's software environment at runtime.
As used herein, the term “profile information” refers to any information or meta-data used by a particular piece of hardware, software, or operating system to configure, initialize, shutdown and aide in making runtime processing decisions. The profile information may be associated with a particular application or group of applications, a particular hardware device or group of devices, as well as a particular user or group of users. Some operating systems store user profile information that is used during boot operations application startup to tailor a limited number of the system characteristics to a particular machine user. However, this profile information is closely tied to a single machine and operating system. As a result, the profile information is not useful to a new user the first time that user logs onto a particular machine. Moreover, this information is not available to remote users that are accessing the LAN/WAN using remote access mechanisms.
Existing mechanisms tend to focus on a single type of profile information, user information or application information or hardware information. Also, because these mechanisms are very application specific they limit the number and type of attributes that can be retained. Further, the profile information is isolated and fails to indicate any hierarchical or relational order to the attributes. For example, it may be desirable that a user group is required to store all files created using a particular application suite to a specific file server. Existing systems, if such a service is available at all, must duplicate profile information in each application program merely to implement the required file storage location preference. Storage location direction based on a user-by-user or user group basis is difficult to implement and may in fact require a shell application running on top of the application suite. Even then, the system is not extensible to access, retrieve, and use profile information for a new user that has not used a particular machine before.
As in the example above, existing systems for storing configuration information lead to duplicative information stored in many locations. Each application stores a copy of its own configuration information, as does each hardware device and each user. Much of this information is identical. It is difficult to maintain consistency among these many copies in a distributed computing environment. For example, when the specified file storage location changes, each copy of the configuration information must be changed. The user or system administrator must manually track the location and content of each configuration file. An example of the inefficiencies of these types of systems is found in the Windows 95 registry file that holds profile information but has an acknowledged tendency to bloat over time with duplicative and unused data. Moreover, the registry file in such systems is so closely tied to a particular machine and instance of an operating system that it cannot be remotely accessed and used to configure other computers or devices. Hence, these systems are not generally extensible to manage multiple types of profile information using a single mechanism. A need exists for profile information that is readily accessible to all machines coupled to a network and to machines accessing the network through remote access mechanisms.
Another complicating influence is that networks are becoming increasingly heterogeneous on many fronts. Network users, software, hardware, and geographic boundaries are continuously changing and becoming more varied. For example, a single computer may have multiple users, each of which work more efficiently if the computer is configured to meet their needs. Conversely, a single user may access a network using multiple devices such as a workstation, a mobile computer, a handheld computer, or a data appliance such as a cellular phone or the like. A user may, for example, use a full featured email application to access email while working from a workstation but prefer a more compact application to access the same data when using a handheld computer or cellular phone. In each case, the network desirably adapts to the changed conditions with minimal user intervention.
There is increasing interest in remote access systems that enable a user to access a LAN/WAN using a public, generally insecure, communication channels such as the Internet. Further, there is interest in enabling LANs to be internetworked using public communication channels. This is desirable because the network administrator can provide a single high speed gateway to the Internet rather than a remote server/modem combination for each user and expensive WAN communication lines. The Internet gateway can use leased lines to access the Internet rather than more costly business phone lines. Also, the Internet gateway can be shared among a variety of applications and so the cost is not dedicated solely to providing remote access or wide area networking. The reduction in hardware cost and recurrent phone line charges would be significant if remote users could access the LAN/WAN in this manner.
From a network user's perspective these limitations boil down to a need to manually configure a given computer to provide the user's desire computing environment. From a remote user's

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