College of Engineering Seminars & Speakers
College of Engineering Seminars & Speakers
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Event Detail Information
Event Detail Information
Mahadev Satyanarayanan : Mobile Computing: the Next Decade and Beyond
Abstract:
"Information at your fingertips anywhere, anytime" has been the driving vision of mobile computing for the past two decades. Through relentless pursuit of this vision, spurring innovations in wireless technology, energy-efficient portable hardware and adaptive software, we have now largely attained this goal. Ubiquitous email and Web access is a reality that is experienced by millions of users worldwide through their BlackBerries, iPhones, Windows Mobile, and other
portable devices.
What will inspire our research in mobile computing over the next decade and beyond? We observe that our future is being shaped by two different tectonic forces, each with the potential to radically change the mobile computing landscape. One force is the emergence of mobile devices as rich sensors, a role that may soon dominate their current function as communication devices and information appliances. We use the term "rich" to connote the depth and complexity about the real world that is recorded, typically through image capture. This is in contrast to simple scalar data that has typically been the focus of
the sensor network community in the context of energy-impoverished "smart-dust" sensors. The other force is the convergence of mobile computing and cloud computing. This will enable the emergence of new near-real-time applications that are no longer limited by energy or computational constraints that are inherent to mobility. The intersection of these immense forces in the next decade will lead to
many new research challenges and business opportunities.
Bio:
Satya is an experimental computer scientist who has pioneered research in distributed systems, mobile computing and pervasive computing. Early in his career, Satya was a principal architect and implementor of the Andrew File System (AFS) which pioneered the use of scalable file caching, ACL-based security, and volume-based system administration for enterprise-scale information sharing. AFS was commercialized by IBM, is in widespread use today as OpenAFS, and has heavily influenced the NFS v4 network file system protocol standard. Building on the AFS work, Satya was a principal architect of the Coda File System which introduced the concepts of disconnected operation and bandwidth-adaptive weakly-connected operation in distributed file systems. The Coda concepts of hoarding, reintegration and application-specific conflict resolution can be found in the hotsync capability of mobile devices today. Key ideas from Coda were incorporated by Microsoft into the IntelliMirror component of Windows 2000 and the Cached Exchange Mode of Outlook 2003. The Odyssey project explored the partitioning of responsibility between the operating system and applications in adapting to wide variability in critical resources such as wireless network bandwidth and energy in mobile computing. Through these projects and other projects such as Aura and Chroma, Satya was a co-inventor of many supporting technologies for mobile computing such as such as cyber foraging, data staging, lookaside caching, translucent caching and application-aware adaptation. His most recent work in mobile computing has focused on the role of virtual machine (VM) technology, in the context of the Internet Suspend/Resume system and the use of cloudlets for cyber foraging, His most recent work in distributed systems has focused on deep search of non-text data such as digital photographs and medical images, in the context of the Diamond project,
Satya is the Carnegie Group Professor of Computer Science at Carnegie Mellon University. He received the PhD in Computer Science from Carnegie Mellon, after Bachelor's and Master's degrees from the Indian Institute of Technology, Madras. He is a Fellow of the ACM and the IEEE. He was the founding Program Chair of the HotMobile series of workshops, the founding Editor-in-Chief of IEEE Pervasive Computing, and the founding director of Intel Research Pittsburgh.
