Browse by Author "Nahrstedt, Klara"

  • Fesehaye, Debessay; Nahrstedt, Klara (2010)
    Denial of Service (DoS) and Distributed DoS (DDoS) attacks have proven to be increasing threats to our digital world. There are many approaches for trying to deal with these threats. With significant overhead and computational ...

    application/pdf

    application/pdfPDF (333Kb)
  • He, Wenbo; Liu, Xue; Nguyen, Hoang; Nahrstedt, Klara; Abdelzaher, Tarek F. (2006-09)
    A wireless sensor network (WSN) is an ad-hoc network composed of small sensor nodes deployed in large numbers to sense the physical world. Wireless sensor networks have very broad application prospects including both ...

    application/pdf

    application/pdfPDF (272Kb)
  • Conner, William G.; Nahrstedt, Klara (2006-09)
    Providing an effective accounting scheme for decentralized peer-to-peer systems is difficult without relying on a central server or peers with special trusted status. In this paper, we present Probabilistic Quorum-based ...

    application/pdf

    application/pdfPDF (54Kb)
  • Conner, William G.; Nahrstedt, Klara (2008-07)
    As Internet telephony systems continue to replace existing Public Switched Telephone Network systems, proxy servers running the Session Initiation Protocol (SIP) will continue to grow in importance for Voice-over-IP ...

    application/pdf

    application/pdfPDF (102Kb)
  • Conner, William G.; Nahrstedt, Klara (2008-07)
    As Internet telephony systems continue to replace existing Public Switched Telephone Network systems, proxy servers running the Session Initiation Protocol (SIP) will continue to grow in importance for Voice-over-IP ...

    application/pdf

    application/pdfPDF (102Kb)
  • Wichadakul, Duangdao; Nahrstedt, Klara (2004-06)
    The reusability of available multimedia and middleware services brings new challenges for enabling flexible and efficient development and deployment of distributed end-to-end multimedia applications with specific ...

    application/pdf

    application/pdfPDF (813Kb)
  • Liang, Jin; Nahrstedt, Klara (2005-05)
    Many Peer-to-peer (P2P) applications such as media broadcasting and content distribution require a high performance overlay structure in order to deliver satis- fying quality of service (QoS). Previous approaches to building ...

    application/pdf

    application/pdfPDF (186Kb)
  • Yang, Zhenyu; Cui, Yi; Anwar, Zahid; Bocchino, Robert L., Jr.; Kiyanclar, Nadir; Nahrstedt, Klara; Campbell, Roy H.; Yurcik, William (2005-08)
    Tele-immersive system can improve the productivity and aid communication by allowing distributed parties to exchange information via a shared immersive experience. The TEEVE research project at the University of Illinois ...

    application/pdf

    application/pdfPDF (568Kb)
  • Xiao, Li; Nahrstedt, Klara; Wang, Jun (2005-07)
    A reliable routing control plane in Internal Border Gateway Protocol (IBGP) is very important for achieving dependable Internet data communication. However, the reliability modeling of IBGP and the design of reliable IBGP ...

    application/pdf

    application/pdfPDF (372Kb)
  • Fesehaye, Debessay; Ahmed, Shameem; Pongthawornkamol, Thadpong; Nahrstedt, Klara; Wang, Guijun (2011-03-23)
    The need for deadline-sensitive messaging systems is growing fast with the growth in the number of mobile and static devices communicating with each other. With many such devices from different locations exchanging ...

    application/pdf

    application/pdfPDF (81Kb)
  • Sridhar, Anjali; Nahrstedt, Klara; Vu,Long (2012)

    application/pdf

    application/pdfPDF (875Kb)
  • Fesehaye, Debessay; Malik, Rahul; Nahrstedt, Klara (2010-03-16)
    Large scale distributed systems such as cloud computing applications are becoming very common. These applications come with increasing challenges on how to transfer and where to store and compute data. The most prevalent ...

    application/pdf

    application/pdfPDF (548Kb)
  • Tabassum, Rehana; Nahrstedt, Klara; Rogers, Edmond; Rawson, Michael (2012)
    In smart grid, the scale of pole devices that monitor the health of power lines is already large, and with the upgrade of the smart grid, the number of these resource-constrained devices is further increasing. These devices ...

    application/pdf

    application/pdfPDF (453Kb)
  • Arefin, Md Ahsan; Khurshid, Ahmed; Caesar, Matthew; Nahrstedt, Klara (IEEE, 2011-08-11)
    Understanding and troubleshooting wide area networks (such as military backbone networks and ISP networks) are challenging tasks due to their large, distributed, and highly dynamic nature. Building a system that can record ...

    application/pdf

    application/pdfPDF (1Mb)
  • He, Wenbo; Huang, Ying; Nahrstedt, Klara; Lee, Whay C. (2006-06)
    In this paper, we study challenges and possible solutions to cryptographic key management in mission-critical networks. Existing symmetric key cryptography mechanisms do not scale well when supporting end-to-end secure and ...

    application/pdf

    application/pdfPDF (199Kb)
  • He, Wenbo; Nguyen, Hoang; Liu, Xue; Nahrstedt, Klara; Abdelzaher, Tarek F. (2006-11)
    Data aggregation is an efficient mechanism to collect statistics of data in wireless sensor networks. However, the shared-medium nature of communication facilitates eavesdropping and packet tampering/injection by adversaries. ...

    application/pdf

    application/pdfPDF (187Kb)
  • Yang, Zhenyu; Nahrstedt, Klara; Cui, Yi; Yu, Bin; Liang, Jin; Jung, Sang-Hack; Bajscy, Ruxena (2005-08)
    Tele-immersive 3D multi-camera room environments are starting to emerge and with them new challenging research questions. One important question is how to organize the large amount of visual data, being captured, processed, ...

    application/pdf

    application/pdfPDF (449Kb)
  • Conner, William G.; Nahrstedt, Klara (2007-03)
    We present a flexible framework for throttling attackers in peer-to-peer media streaming systems. In such systems, selfish nodes (e.g., free riders) and malicious nodes (e.g., DoS attackers) can overwhelm the system by ...

    application/pdf

    application/pdfPDF (80Kb)
  • Wu, Wanmin; Yang, Zhenyu; Gupta, Indranil; Nahrstedt, Klara (2008-03)
    3D tele-immersion (3DTI) has recently emerged as a new way of video- mediated collaboration across the Internet. Unlike conventional 2D video-conferencing systems, it can immerse remote users into a shared 3D virtual space ...

    application/pdf

    application/pdfPDF (999Kb)
  • Iyer, Ravishankar; Hwu, Wen-mei; Nahrstedt, Klara; Sanders, William; Kalbarczyk, Zbigniew (2007)

    application/vnd.ms-powerpoint

    application/vnd.ms-powerpointMicrosoft PowerPoint (6Mb)