Data Platform: Built a service to resolve faceted queries against ~100m data series. Developed and implemented a strategy to separate data discovery from data retrieval. Assisted in transforming data into a unified serving schema.Ontology: Extracted an ontology database and data-mapping ruleset from a monorepo, and established new CI/CD pipelines. Built various tooling to assess and improve consistency.

SDN: Extended and repackaged networking services developed for DRaaS to be included in the on-premises distribution of AHV. Designed and developed SDN integration with Azure baremetal. Miscellany: Launched various internal services for: generating reports for python unit test stability; graphing internal and third-party software dependencies; scanning deployed service containers for CVEs. Served as patent chair.

DRaaS Networking: Guided the design, development, and operation of various networking services for "Disaster-Recovery as a Service", hosted on purpose-built Nutanix public cloud infrastructure.

AHV: Built a hypervisor from CentOS Linux, with a proprietary distributed management and control plane that's tightly integrated with the Nutanix distributed storage platform.

VSAN: Helped to design and implement an eventually-consistent distributed database, a fault-tolerant multipath-aware RPC layer, and a lightweight tracing subsystem. Assisted other teams in debugging various control and IO paths.Virtual Distributed Switch API: Identified dangerous implicit locking paradigms, and augmented the API to support a gradual transition to more explicit locking.DVFilter: Designed and implemented an abstraction layer for an existing pluggable… Show more VSAN: Helped to design and implement an eventually-consistent distributed database, a fault-tolerant multipath-aware RPC layer, and a lightweight tracing subsystem. Assisted other teams in debugging various control and IO paths.Virtual Distributed Switch API: Identified dangerous implicit locking paradigms, and augmented the API to support a gradual transition to more explicit locking.DVFilter: Designed and implemented an abstraction layer for an existing pluggable packet-filtering framework in vmkernel. The abstraction layer handled various aspects of synchronization, state migration, and management of userspace filtering agents.Wireless Paravirtualized Device: Collaboratively designed a wireless device, supported by the Linux mac80211 framework, and implemented a full-featured NDIS 5/6 wireless miniport driver.Virtual Network Devices: Maintained paravirtualized drivers for Windows, virtual devices, host kernel modules for Windows and Linux, and Windows installer and management libraries. Show less

Virtualized wireless channels for the Orbit Lab testbed at Rutgers University (http://orbit- lab.org/). This project’s goal is to augment an existing wireless testbed framework to allow for concurrent experiments. Current efforts are directed towards full and hosted virtualization of the grid nodes (Xen and UML, respectively) and time-division multiplexing of the wireless channel. Paper forthcoming.