1004 results about "Namespace" patented technology

The disclosed embodiments disclose techniques for managing a global namespace for a distributed filesystem. Two or more cloud controllers collectively manage distributed filesystem data that is stored in a cloud storage system; the cloud controllers ensure data consistency for the stored data, and each cloud controller caches portions of the distributed filesystem. Furthermore, a global namespace for the distributed filesystem is also split across these cloud controllers, with each cloud controller “owning” (e.g., managing write accesses for) a distinct portion of the global namespace and maintaining a set of namespace mappings that indicate which portion of the namespace is assigned to each cloud controller. During operation, an initial cloud controller receives a request from a client system to access a target file in the distributed system. This initial cloud controller uses the namespace mappings for the global namespace to determine a preferred cloud controller that will handle the request.

An intelligent network client has the capability of accessing a first network server in accordance with a first high-level file access protocol, and responding to a redirection reply from the first network server by accessing a second network server in accordance with a second high-level file access protocol. For example, the intelligent network client can be redirected from a CIFS/DFS server to a NFS server, and from an NFSv4 server to a CIFS server. Once redirected, the intelligent network client performs a directory mounting operation so that a subsequent client access to the same directory goes directly to the second network server. For example, the first network server is a namespace server for translating pathnames in a client-server network namespace into pathnames in a NAS network namespace, and the second network server is a file server in the NAS network namespace.

A system and method for providing an improved namespace and object description system for enterprise management are disclosed. The system and method employ a hierarchical namespace with objects including prototypes and instances where an instance inherits traits from a prototype, such as attribute values and/or child objects.

A method for controlling the interoperation of a plurality of software applications and resources includes intercepting communications from a first application to a second application or resource, directing the communication to a context management system, generating a candidate list of contexts for the communication, evaluating the candidate list according to at least one policy defined for these contexts to identify the resultant action and namespace for the communication, and performing the action as defined by the policies within the identified namespace. The method further includes tracking one or more versions of the second application, as well as tracking an evolution of application and/or resource names. The method further includes identifying one or more operations associated with a context on the candidate list, and executing the identified operations prior to a further communication.

Systems and methods consistent with the present invention use a Namespace paradigm to define an external component reference to a style sheet. When the style sheet processor processes the tags in the style sheet, it recognizes the external component declaration. The style sheet will contain a name of the external component instance and a definition of the method to execute associated with the external component instance, and may contain arguments for the method associated with the external component instance which is executing. The XSLT processor then relinquishes control to the external component to execute the method defined in the style sheet. The results of the method's execution may be placed in the transform document generated by processing the style sheet. However, this is not required and other results may be generated, including those not related to the transform document.

An out-of-band Domain Name System (DNS) security technique uses a cryptographic blockchain for securing and validating DNS data in a chain of custody that exists outside the DNS namespace, allowing validated access to cached DNS information without requiring real-time access to root servers.

A virtual workspace can include an active instance of a layered virtual file system namespace. A layered virtual file system namespace is referred to by the virtual workspace and includes a collection of system data (e.g. layered virtual file system base layer), user data (e.g. layered virtual file system user layer), and virtualized applications (e.g. virtual app layer), metadata and policies (e.g. layered virtual file system layer scope). Because a virtual workspace can include software such as an operating system and one or more applications in addition to user data, a virtual workspace can be aligned with a namespace so that an operating system of the virtual workspace may be located at a “base layer”, one or more applications executing on the operating system may be located at an upper “virtual app” layer, and user data in a virtual workspace may be found at any layer at or above the user layer.

Provided is an information processing system including a plurality of nodes 3 and a plurality of storages 4 coupled subordinately to each of the nodes 3, each of the nodes 3 functioning as a virtual file system that provides a client 2 with storage regions of each of the storages 4 as a single namespace. This information processing system is further provided with a backup node 10 and a backup storage 11 coupled subordinately to the backup node 10. The backup node 10 synchronizes and holds location information (file management table 33) held by each of the nodes 3. Then, the backup node 10 creates a backup file, and stores the backup file in the backup storage 11 by accessing a location identified by the location information (file management table 43) synchronized and held by the backup node 10 itself to acquire a file.

In one embodiment of the present invention, a data-backup method includes partitioning a fingerprint namespace among a cluster of backup servers, the fingerprint namespace comprising fingerprints for representing units of data, each backup server of the cluster of backup servers managing units of data having fingerprints corresponding to an assigned partition of the fingerprint namespace. The method further includes receiving backup information from a client computing device for a block of data comprising units of data, the backup information including at least a fingerprint for each of the units of data and client-specific backup information. In addition, the method includes, utilizing the fingerprint for each of the units of data, deduplicating the units of data in parallel at the cluster of backup servers in accordance with the partitioning step, the deduplicating step comprising identifying ones of the units data already stored by the cluster of backup servers.

A method for providing access to objects associated with a particular client in a cloud storage system is disclosed. The method includes the steps of establishing a connection with a user, providing a client namespace associated with the client to the user, where the client namespace represents objects stored on the cloud storage system and objects stored on a private storage system apart from the cloud storage system, receiving a request from the user to access an object stored on the private storage system, and providing information to the user to facilitate access to the object stored on the private storage system by said user. Other systems and methods are also disclosed. Important advantages of the present invention are facilitated by separating the logic for user access (control plane) from the actual storage (Storage plane). Private file system access can still be managed from the cloud, while keeping the client data private.

The invention relates to an object-oriented control system for an appliance, configurable by a configuration mechanism in selective operable communication with a plurality of object oriented control systems using a packet protocol for constructing messages comprising identifiers from a plurality of namespaces associated with the building blocks of object-oriented systems. The meaning of each unique identifier within class library namespace is uniquely meaningful throughout a universe of appliances.

A method and system are provided for partitioning a file system. The system may include one or more server computer systems and a plurality of physical file systems. The physical file systems may be hosted by the one or more server computer systems. The physical file systems may be accessible to clients through a virtual file system having a single namespace. The virtual file system may include metadata which are partitioned across the plurality of physical file systems. The server computer systems may be configured to independently perform file system consistency checks on each of the physical file systems, in order to independently validate each partition of the metadata.

Embodiments of a system and method for providing class dependency graph-based class loading and reloading may be used to segregate namespaces in a graph-centric way, and may provide a set of normalized topologies that may be used to efficiently support hot-swapping of programmatic logic such as classes, applets, and beans, among other applications. Embodiments may provide a domain-independent, flexible and robust namespace segregation technique that is based on the dependency between the various classes and not on details like the roles the classes play. The problem of segregating namespaces is formulated as a graph theory problem, and a solution is sought through graph techniques. The graph may be normalized by identifying and grouping interdependent classes and non-interdependent classes in separate groups. A directed dependency relationship of the groups may be determined using the relationships between the member classes of the groups.

Client computers, a namespace server, and file servers are linked in a data network so that the namespace server provides the clients with NFS or CIFS access to a virtual file system including files stored in the file servers, and also provides migration of files between the file servers in a fashion transparent to the client access using NFS or CIFS. The client computers and storage arrays storing the file data are also linked in a storage area network so that the clients have high speed block access to the file data using a file mapping protocol. The namespace server redirects a metadata access request in the file mapping protocol from a client to the appropriate file server when the file is not being migrated, and otherwise denies the metadata access request when the file is being migrated so that the client reverts to NFS or CIFS access.

The present invention provides a method, apparatus, and computer instructions for mapping and labeling XML schema elements and types. In an exemplary embodiment, each XML schema element and type is uniquely labeled, using distinguishing parameters such as namespace to create name parts like a Hashing code and suffixes in order to achieve unique mapping. The parameters selected are predetermined in order to achieve naming that remains distinct across successive consumptions of a schema. The selection disclosed accomplishes unique labeling, while also permitting one to still adhere to the strict naming standards of the target language (e.g., Java). As a result, schema components belonging to multiple namespaces can be mapped to Java components belonging to a single package.