Ravi Pandya

Ravi Pandya

Bellevue, Washington, United States
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Publications

  • Orleans: Cloud Computing for Everyone

    ACM Symposium on Cloud Computing (SOCC 2011)

    Cloud computing is a new computing paradigm, combining diverse client devices – PCs, smartphones, sensors, single-function, and embedded – with computation and data storage in the cloud. As with every advance in computing, programming is a fundamental challenge, as the cloud is a concurrent, distributed system running on unreliable hardware and networks.

    Orleans is a software framework for building reliable, scalable, and elastic cloud applications. Its programming model encourages the…

    Cloud computing is a new computing paradigm, combining diverse client devices – PCs, smartphones, sensors, single-function, and embedded – with computation and data storage in the cloud. As with every advance in computing, programming is a fundamental challenge, as the cloud is a concurrent, distributed system running on unreliable hardware and networks.

    Orleans is a software framework for building reliable, scalable, and elastic cloud applications. Its programming model encourages the use of simple concurrency patterns that are easy to understand and employ correctly. It is based on distributed actor-like components called grains, which are isolated units of state and computation that communicate through asynchronous messages. Within a grain, promises are the mechanism for managing both asynchronous messages and local task-based concurrency. Isolated state and a constrained execution model allow Orleans to persist, migrate, replicate, and reconcile grain state. In addition, Orleans provides lightweight transactions that support a consistent view of state and provide a foundation for automatic error handling and failure recovery.

    We implemented several applications in Orleans, varying from a messaging-intensive social networking application to a data- and compute-intensive linear algebra computation. The programming model is a general one, as Orleans allows the communications to evolve dynamically at runtime. Orleans enables a developer to concentrate on application logic, while the Orleans runtime provides scalability, availability, and reliability.

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Patents

  • Local secure service partitions for operating system security

    Issued US US 8619971 B2

    Systems and methods provide multiple partitions hosted on an isolation technology such as a hypervisor where at least one of the partitions, a local secure service partition (LSSP), provides security services to other partitions. The service partitions (LSSPs) host those high assurance services that require strict security isolation, where the service can be shared across partitions and accessed even when the user is not connected to a network. The LSSP also can certify the results of any…

    Systems and methods provide multiple partitions hosted on an isolation technology such as a hypervisor where at least one of the partitions, a local secure service partition (LSSP), provides security services to other partitions. The service partitions (LSSPs) host those high assurance services that require strict security isolation, where the service can be shared across partitions and accessed even when the user is not connected to a network. The LSSP also can certify the results of any computation using a key signed by a TPM attestation identity key (AIK), or other key held securely by the hypervisor or a service partition. The LSSPs may be configured to provide trusted audit logs, trusted security scans, trusted cryptographic services, trusted compilation and testing, trusted logon services, and the like.

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  • Certifying and grouping distributed objects

    Issued US 7664949

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  • Virtualized Components in Computing Systems

    Filed US 20140380318

    See patent

  • Supplementary trust model for software licensing/commercial digital ...

    US 11/114,509

    A flexible use licensing system for an application comprising a plurality of licensable products is provided comprising an application level product policy definition license, and a licensable product policy definition license corresponding to each licensable product. The flexible use license further comprises a rights account certificate for validating the use license against a variety of environmental conditions, and an external validation component for validating the use license at a…

    A flexible use licensing system for an application comprising a plurality of licensable products is provided comprising an application level product policy definition license, and a licensable product policy definition license corresponding to each licensable product. The flexible use license further comprises a rights account certificate for validating the use license against a variety of environmental conditions, and an external validation component for validating the use license at a licensing authority without the transmittal of the entire use license.

    See patent

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