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Searching for authors named "Constantinos Dovrolis" – sorted by Relevance.

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  • The origin of TCP traffic burstiness in some time scales  
  • by Hao Jiang, Constantinos Dovrolis — 2004 — in IEEE INFOCOM
  • …Internet traffic exhibits multifaceted burstiness and correlation structure over a wide span of time scales. Previous work analyzed this structure in terms of heavy-tailed session characteristics, as well as TCP timeouts and congestion avoidance, in relatively long time scales. We focus on shorter s…
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  • Dynamic Class Selection: from Relative Differentiation to Absolute QoS  
  • by Constantinos Dovrolis, Parameswaran Ramanathan — In Proceedings of ICNP 2001
  • …The relative differentiation architecture does not require per-flow state at the network core or edges, nor admission control, but it can only provide higher classes with better service than lower classes. A central premise in this context is that users with absolute QoS requirements should dynamica…
  • Cited by 11 (0 self) – Add To MetaCart
  • Resource Aggregation for Fault Tolerance in Integrated Services Networks  
  • by Constantinos Dovrolis, Parameswaran Ramanathan — 1998 — ACM Computer Communication Review
  • …For several real-time applications it is critical that the failure of a network component does not lead to unexpected termination or long disruption of service. In this paper, we propose a scheme called RAFT (Resource Aggregation for Fault Tolerance) that guarantees recovery in a timely and resource…
  • Cited by 16 (0 self) – Add To MetaCart
  • Guardian: A Router Mechanism for Extreme Overload Prevention  
  • by Hao Jiang, Constantinos Dovrolis — 2002 — Proceedings of Scalability and Traffic Control in IP Networks
  • …Disasters such as the 9/11 attacks, as well as major and unpredictable events, can cause extreme network overload. By "extreme overload" we mean, first, that the offered load at a link is significantly higher than the link's capacity, and second, that the average throughput per session is too low. U…
  • Cited by 2 (0 self) – Add To MetaCart
  • End-to-end Estimation of the Available Bandwidth Variation Range  
  • by Manish Jain, Constantinos Dovrolis — 2005 — In Proceedings of ACM SIGMETRICS Conference
  • …The available bandwidth (avail-bw) of a network path is an important performance metric and its end-to-end estimation has recently received significant attention. Previous work focused on the estimation of the average avail-bw, ignoring the significant variability of this metric in different time sc…
  • Cited by 14 (4 self) – Add To MetaCart
  • Relative Differentiated Services in the Internet: Issues and Mechanisms  
  • by Constantinos Dovrolis, Dimitrios Stiliadis — 1999 — Proceedings of ACM SIGMETRICS
  • …Introduction In the context of relative differentiated services the network traffic is grouped in N classes of service which differ in their relative forwarding quality, i.e., class i is better than class i \Gamma 1 in terms of local (per-hop) forwarding measures of the queueing delays and packet …
  • Cited by 13 (0 self) – Add To MetaCart
  • ANEMOS: An Autonomous NEtwork MOnitoring System  
  • by Antonios Danalis, Constantinos Dovrolis — 2003 — In Proc. of 4th Passive and Active Measurements Workshop
  • …We describe the design and implementation of ANEMOS, an Autonomous NEtwork MOnitoring System. ANEMOS allows network operators and end-users to schedule, perform, and analyze active measurements on several network paths through a Web-based GUI. The measurements can be performed with "off-the-shelf" t…
  • Cited by 4 (0 self) – Add To MetaCart
  • Class Provisioning Using Proportional Delay Differentiation  
  • by Constantinos Dovrolis, Parameswaran Ramanathan — 2001
  • …We consider the problem of link provisioning in a di#erentiated services network that o#ers N classes of service. At the provisioning phase, the network manager con#gures the link to support the requirements of M distinct tra#c types. Each tra#c type is speci#ed by an expected arrival rate and an av…
  • Cited by 4 (0 self) – Add To MetaCart
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