Abstract: A system and related techniques prepare and condition the installation of new networked service or application components, such as Internet services, based on an individual subscriber's subscribed-to services, features and other components. A subscriber to an Internet service may choose to add, for example, a componentized subscription to a music or video download service to their access plan. When the user inserts a CDROM or accesses a Web site for installation, the user may be prompted for a username or passport-type object to authenticate their account. The user may then be presented with a set of available service selections, extensions or enhancements to choose to add to their plan. Those available selections may be prefiltered or prequalified, for example, based on geographic location, account spending or access limits, language or other criteria.

Abstract: A method and system for transparently combining remote and local storage to provide an extended file system such as a virtual local drive for a computer system client/user, e.g., a user of a pocket sized personal computer or a cable set-top box. A client device may load file system object data, storing the directories and files remotely, and retrieving the files only when required. Via its local storage, the extended file system handles unreliable connections and delays. When a connection to an extended file system server is present, the extended file system provides automatic downloading of information that is not locally cached, and automatically uploading of information that has been modified on the client. Extended file system attributes are employed to determine the actual location of file system data, and a lightweight protocol is defined to download or upload remote data by low-level components that make the remote source transparent from the perspective of the application.