Experience

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  EMC

  • Consulting Engineer

    • 2007 - Present

    The Atmos product (internal name Maui) is a "cloud"-class storage system, supporting data objects identified by 44 hex chars or string names, a rich set of primitives, access via REST/SOAP/NFS/CIFS/FuseIFS. My focus is mostly performance (speed/stability/scalability), in particular the...

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  IBM

  • Software Engineer

    • 2010 - 2012
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  Juniper Networks

  • Server Developer

    • 2004 - 2007

    The Steel-Belted Radius (SBR) product is an AAA server (authentication, authorization, accounting), implementing the RADIUS protocol (Remote Authentication Dial-In Service), an essential component of contemporary networking management and security (policy and control) infrastructure. Target cust...

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  Groove Networks, Inc.

  • Security Architect and Developer

    • 1998 - 2004

    The Groove product is a Windows C++/COM-based runtime environment and development platform for mutually synchronized peer-to-peer Internet groupware. Early employee (badge #11), hired specifically to architect and develop security. The company was subsequently acquired by Microsoft.The security...

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  Open Software Foundation (OSF)

  • DCE and Security Architect

    • 1989 - 1998

    Early employee, recruited as architect of Distributed Computing Environment (DCE), with emphasis on security. The DCE product is an infrastructure platform for distributed computing, consisting of components for threading, RPC, time and directory services, security, and storage (derivative of An...

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  AT&T Bell Labs

  • Kernel Architect and Developer

    • 1983 - 1989

    Worked on original Unix kernel for SVR3 and SVR4 (System 5, Releases 3 and 4), as well as multi-processor variants (one shared memory, one loosely coupled). Especially, wrote the process subsystem for the latter, receiving patent #4,849,877.Liaison with Sun Microsystems for networking and distri...