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- articleFebruary 2024
Minimizing Age of Information under Arbitrary Arrival Model with Arbitrary Packet Size
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 51, Issue 4March 2024, Pages 10–11https://doi.org/10.1145/3649477.3649484In networked systems such as internet-of-things, cyber-physical systems, etc., information timeliness is a critical requirement. Timely updates ensure that the information available at the subsystems (nodes) are accurate, and actions are well-...
- articleFebruary 2024
Quality Competition Among Internet Service Providers
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 51, Issue 4March 2024, Pages 4–5https://doi.org/10.1145/3649477.3649481Internet service providers (ISPs) have a variety of quality attributes that determine their attractiveness for data transmission, ranging from quality-of-service metrics such as jitter to security properties such as the presence of DDoS defense systems. ...
- articleMarch 2022
Updating the Theory of Buffer Sizing
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 49, Issue 3December 2021, Pages 55–56https://doi.org/10.1145/3529113.3529131Internet routers have packet buffers which reduce packet loss during times of congestion. Sizing the router buffer correctly is important: if a router buffer is too small, it can cause high packet loss and link under-utilization. If a buffer is too ...
- extended-abstractApril 2014
SDP: smart data pricing, from theorems to trials
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 41, Issue 4March 2014, Page 46https://doi.org/10.1145/2627534.2627548Fifty years ago, the transition from voice calls to bursty data traffic justified packet switched networks. As data traffic becomes more heterogeneous today, what are the implications to network architecture? Instead of just counting bytes, Smart Data ...
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- posterDecember 2011
Improving performance and energy savings through alternative forwarding
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 3December 2011, Pages 110–112https://doi.org/10.1145/2160803.2160874Reducing energy consumption in networks is receiving considerable research interest. Different approaches have been advocated, from traffic engineering and topology control to hardware-based approaches. These approaches can work at long-time scales of ...
- short-paperDecember 2011
Path-vector routing stability analysis
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 3December 2011, Pages 22–24https://doi.org/10.1145/2160803.2160848In this paper, we define a set of metrics that characterize the local stability properties of path-vector routing protocols such as BGP (Border Gateway Protocol). By means of these stability metrics, we propose a method to analyze the effects of BGP ...
- short-paperSeptember 2011
On the impact of the flow size distribution's tail index on network performance with TCP connections
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 2September 2011, Pages 62–64https://doi.org/10.1145/2034832.2034849In this paper, we study the impact of the flow-size distribution on network performance in the case of a single bottle-neck with finite buffer. To tackle the case where flows are transmitted with the TCP protocol, we use real experiments and ns-2 ...
- short-paperSeptember 2011
Improving path failure detection in SCTP using adaptive heartbeat time intervals
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 2September 2011, Pages 50–52https://doi.org/10.1145/2034832.2034845Path failure detection in the Stream Control Transmission Protocol (SCTP) is a key point to determine its viability as a transport protocol for mobile applications in wireless environments. Whereas most works have focused on how to optimize SCTP failure ...
- research-articleSeptember 2011
SIMROT: a scalable inter-domain routing toolbox
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 2September 2011, Pages 4–13https://doi.org/10.1145/2034832.2034834BGP plays a crucial role in the global communications infrastructure, and there is a strong need for tools that can be used for analyzing its performance under different scenarios. The size and complexity of the inter-domain routing system often makes ...
- posterJune 2011
TCP behavior in sub packet regimes
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 1June 2011, Pages 349–350https://doi.org/10.1145/2007116.2007171Many network links in developing regions operate in the sub-packet regime, an environment where the typical per-flow throughput is less than 1 packet per round-trip time. TCP and other common congestion control protocols break down in the sub-packet ...
- research-articleJune 2011
Model-driven optimization of opportunistic routing
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 1June 2011, Pages 229–240https://doi.org/10.1145/2007116.2007143Opportunistic routing aims to improve wireless performance by exploiting communication opportunities arising by chance. A key challenge in opportunistic routing is how to achieve good, predictable performance despite the incidental nature of such ...
- research-articleJune 2011
Geographic routing in d-dimensional spaces with guaranteed delivery and low stretch
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 1June 2011, Pages 217–228https://doi.org/10.1145/2007116.2007142Almost all geographic routing protocols have been designed for 2D. We present a novel geographic routing protocol, named MDT, for 2D, 3D, and higher dimensions with these properties: (i) guaranteed delivery for any connected graph of nodes and physical ...
- research-articleJune 2011
Slick packets
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 1June 2011, Pages 205–216https://doi.org/10.1145/2007116.2007141Source-controlled routing has been proposed as a way to improve flexibility of future network architectures, as well as simplifying the data plane. However, if a packet specifies its path, this precludes fast local re-routing within the network. We ...
- research-articleJune 2011
Analysis of DCTCP: stability, convergence, and fairness
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 1June 2011, Pages 73–84https://doi.org/10.1145/2007116.2007125Cloud computing, social networking and information networks (for search, news feeds, etc) are driving interest in the deployment of large data centers. TCP is the dominant Layer 3 transport protocol in these networks. However, the operating conditions---...
- research-articleJune 2011
Stability analysis of QCN: the averaging principle
ACM SIGMETRICS Performance Evaluation Review (SIGMETRICS), Volume 39, Issue 1June 2011, Pages 49–60https://doi.org/10.1145/2007116.2007123Data Center Networks have recently caused much excitement in the industry and in the research community. They represent the convergence of networking, storage, computing and virtualization. This paper is concerned with the Quantized Congestion ...
- research-articleJanuary 2011