Browsing Computer Science by Subject "performance evaluation"

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Browsing Computer Science by Subject "performance evaluation"

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  • Matta, Ibrahim; Bestavros, Azer (Boston University Computer Science Department, 1997-07-30)
    To support the diverse Quality of Service (QoS) requirements of real-time (e.g. audio/video) applications in integrated services networks, several routing algorithms that allow for the reservation of the needed bandwidth ...
  • Guirguis, Mina; Bestavros, Azer; Matta, Ibrahim (Boston University Computer Science Department, 2003-12-02)
    For a given TCP flow, exogenous losses are those occurring on links other than the flow's bottleneck link. Exogenous losses are typically viewed as introducing undesirable "noise" into TCP's feedback control loop, leading ...
  • Bestavros, Azer; Kim, Gitae (Boston University Computer Science Department, 1997-01-24)
    While ATM bandwidth-reservation techniques are able to offer the guarantees necessary for the delivery of real-time streams in many applications (e.g. live audio and video), they suffer from many disadvantages that make ...
  • Bestavros, Azer; Byers, John; Harfoush, Khaled (Boston University Computer Science Department, 2001-05)
    The development and deployment of distributed network-aware applications and services over the Internet require the ability to compile and maintain a model of the underlying network resources with respect to (one or more) ...
  • Bestavros, Azer; Matta, Ibrahim (Boston University Computer Science Department, 1997-05-14)
    High-speed networks, such as ATM networks, are expected to support diverse Quality of Service (QoS) constraints, including real-time QoS guarantees. Real-time QoS is required by many applications such as those that involve ...
  • Bestavros, Azer (Boston University Computer Science Department, 1996-08-01)
    Load balancing is often used to ensure that nodes in a distributed systems are equally loaded. In this paper, we show that for real-time systems, load balancing is not desirable. In particular, we propose a new load-profiling ...
  • Kim, Gitae; Bestavros, Azer (Boston University Computer Science Department, 1998-02-09)
    A number of recent studies have pointed out that TCP's performance over ATM networks tends to suffer, especially under congestion and switch buffer limitations. Switch-level enhancements and link-level flow control have ...
  • Harfoush, Khaled; Bestavros, Azer; Byers, John (Boston University Computer Science Department, 2000-05-30)
    Current Internet transport protocols make end-to-end measurements and maintain per-connection state to regulate the use of shared network resources. When two or more such connections share a common endpoint, there is an ...
  • Bestavros, Azer; Kim, Gitae (Boston University Computer Science Department, 1996-07-15)
    The popularity of TCP/IP coupled with the premise of high speed communication using Asynchronous Transfer Mode (ATM) technology have prompted the network research community to propose a number of techniques to adapt TCP/IP ...
  • Jin, Shudong; Bestavros, Azer (Boston University Computer Science Department, 1999-10-10)
    Temporal locality of reference in Web request streams emerges from two distinct phenomena: the popularity of Web objects and the {\em temporal correlation} of requests. Capturing these two elements of temporal locality is ...
  • Braoudakis, Spyridon; Bestavros, Azer (Boston University Computer Science Department, 1994)
    Various concurrency control algorithms differ in the time when conflicts are detected, and in the way they are resolved. In that respect, the Pessimistic and Optimistic Concurrency Control (PCC and OCC) alternatives represent ...

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