Abstract: One embodiment of the present invention includes a method comprising: (a) representing at least state data of a virtual machine in a unit of network storage of a network storage system; and (b) employing data manipulation functionality of the network storage system to implement a virtual machine operation that manipulates at least the state data of the virtual machine.

Abstract: One embodiment of the present invention is a method including: (a) representing virtual primary disk data and state data of a virtual machine in a unit of storage; (b) exposing the virtual primary disk data of the virtual machine to a guest of the virtual machine to allow the guest to access the virtual primary disk data; and (c) preventing the guest from accessing the state data for the virtual machine.

Abstract: A browser-independent and automatic apparatus and method for receiving, installing, and launching applications from a browser is described. According to one embodiment, a helper application is registered with a browser for a specified file type. When the browser encounters a link to a metafile of the specified file type, the file is downloaded to the requesting system and the helper application is invoked to process the downloaded file. In the context of a Java™ implementation, the downloaded metafile comprises a short launch file specification for a Java™ application, and specifies a classpath as a set of Universal Resource Identifiers (“URIs”), a Java™ Runtime Environment (“JRE”) version, security considerations, and other relevant information concerning the Java™ application to be executed.

Abstract: According to aspects of the present invention, an original archive file having one or more entries is created, where each entry in the original archive file is itself a file, and where each entry in the archive file may comprise any file type, including an archive file. The original archive file is transmitted to a client computer. Subsequently, a target archive file is created, wherein one or more of the entries in the target archive file are typically expected to be identical to one or more entries in the original archive file. Given the original archive file and the target archive file, a difference archive file is created. The difference archive file comprises an index file describing the changes between the original archive file and the target archive file, and also comprises a set of entries corresponding to the entries in the target archive file that are not contained in the original archive file.

Abstract: Methods and apparatus for facilitating a global safepoint operation in a multithreaded computer system are disclosed. According to one aspect of the present invention, each thread keeps track of its safepoint regions by maintaining a variable which indicates a state, such as whether the current region of the thread is safe, unsafe, or transitional. In this manner, it can be determined whether a thread is currently in a safepoint region without suspending the thread. When a thread is currently in a safepoint region, the thread can continue to operate while a global safepoint operation, such as garbage-collection is being performed. When the thread begins to transition out of the safe region, it moves into a transitional region. The transitional region automatically blocks the transition into the non-safe region to assure that the safepoint operation occurs in a safe region.