Predicting the Resource Consumption of Network Intrusion Detection Systems (2009)
Holger Dreger, Anja Feldmann, Vern Paxson, Robin Sommer, Deutsche Telekom, Labs Tu Berlin
Abstract. When installing network intrusion detection systems (NIDSs), operators are faced with a large number of parameters and analysis options for tuning trade-offs between detection accuracy...
Predicting the Resource Consumption of Network Intrusion Detection Systems (2009)
Holger Dreger, Anja Feldmann, Vern Paxson, Robin Sommer, Deutsche Telekom, Labs Tu Berlin
Abstract. When installing network intrusion detection systems (NIDSs), operators are faced with a large number of parameters and analysis options for tuning trade-offs between detection accuracy...
Gregor Maier, Tu Berlin, Dt Labs, Anja Feldmann, Tu Berlin, Dt Labs, ...
In many situations it can be enormously helpful to archive the raw contents of a network traffic stream to disk, to enable later inspection of activity that becomes interesting only in retrospect. We...
ABSTRACT Locating Internet Routing Instabilities (2009)
Anja Feldmann, Olaf Maennel, Z. Morley Mao
This paper presents a methodology for identifying the autonomous system (or systems) responsible when a routing change is observed and propagated by BGP. The origin of such a routing instability is...
Dynamic Application-Layer Protocol Analysis for Network Intrusion Detection (2008)
Tu München, Anja Feldmann, Tu München
Many network intrusion detection systems (NIDS) rely on protocol-specific analyzers to extract the higher-level semantic context from a traffic stream. To select the correct kind of analysis,...
ISP-aided Biased Query Search for P2P systems in a Testlab (2008)
Vinay Aggarwal, Anja Feldmann, Deutsche Telekom, Laboratories Tu Berlin
Summary. More than half of Internet traffic today is contributed by peer-to-peer (P2P) systems. P2P systems build their overlay topology largely agnostic of the Internet underlay, which often leads...
Anja Feldmann, Anna C. Gilbert, Polly Huang, Walter Willinger
Using the ns-2-simulator to experiment with different aspects of user- or session-behaviors and network configurations and focusing on the qualitative aspects of a wavelet-based scaling analysis, we...
Nils Kammenhuber, Anja Feldmann
Search engines are a vital part of the Web and thus the Internet infrastructure. Therefore understanding the behavior of users searching the Web gives insights into trends, and enables enhancements...
ABSTRACT Internet Clean-Slate Design: What and Why? (2008)
Anja Feldmann, Deutsche Telekom, Laboratories Tu Berlin
This article is an editorial note submitted to CCR. It has NOT been peer reviewed. Authors take full responsibility for this article’s technical content. Comments can be posted through CCR Online....
ABSTRACT A Methodology for Studying Persistency Aspects of Internet Flows (2008)
Jörg Wallerich, Holger Dreger, Anja Feldmann, Er Krishnamurthy, Walter Willinger
We focus in this paper on Internet flows, consider their contributions to the overall traffic per time unit or bin, and perform a multi-scale and multi-protocol analysis to explore the persistency...
Jeffrey C. Mogul, Fred Douglis, Anja Feldmann, Balachander Krishnamurthy
Potential benefits of delta encoding and data compression for HTTP (Corrected version)
Abstract An analysis of Internet chat systems (2008)
Christian Dewes, Arne Wichmann, Anja Feldmann, Tu München, Tu München
In our quest to better understand network traffic dynamics, we examine Internet chat systems. Although chat as an application does not contribute huge amounts of traffic, chat...
Gregor M. Maier, Aufgabenstellerin Prof, Anja Feldmann, Ph. D, Betreuerin Prof, ...
Ich versichere, dass ich diese Diplomarbeit selbständig verfasst und nur die angegebenen
Abstract An Internet Coordinate System to Enable Collaboration between ISPs and P2P Systems (2008)
Vinay Aggarwal, Anja Feldmann, Roger P. Karrer, Deutsche Telekom, Laboratories Tu Berlin
P2P systems, which contribute a significant portion of today’s Internet traffic, build their overlay topology largely agnostic of the Internet underlay. This leads to traffic management challenges...
ANALYSIS OF OVERLAY-UNDERLAY TOPOLOGY CORRELATION USING VISUALIZATION (2008)
Vinay Aggarwal, Anja Feldmann, Marco Gaertler, Robert Görke, Dorothea Wagner
In the design and implementation of the overlay architecture most peer-to-peer (P2P) systems rely on the underlay network to provide them with basic connectivity. Therefore, the intrinsic features of...
Dynamic Application-Layer Protocol Analysis for Network Intrusion Detection (2008)
Tu München, Anja Feldmann, Tu München
Many network intrusion detection systems (NIDS) rely on protocol-specific analyzers to extract the higher-level semantic context from a traffic stream. To select the correct kind of analysis,...
ABSTRACT Operational Experiences with High-Volume Network Intrusion Detection (2008)
Holger Dreger, Anja Feldmann, Vern Paxson, Robin Sommer
In large-scale environments, network intrusion detection systems (NIDSs) face extreme challenges with respect to traffic volume, traffic diversity, and resource management. While crucial for...
Live wide-area migration of virtual machines including local persistent state (2008)
Robert Bradford, Evangelos Kotsovinos, Anja Feldmann, Harald Schiöberg
So far virtual machine (VM) migration has focused on transferring the run-time memory state of the VMs in local area networks (LAN). However, for wide-area network (WAN) migration it is crucial to...
Operational Experiences with High-Volume (2008)
Network Intrusion Detection, Holger Dreger, Anja Feldmann, Vern Paxson, Robin Sommer
NIDSs) face extreme challenges with respect to traffic volume, traffic diversity, and resource management. While crucial for acceptance and operational deployment, the research literature mainly...
5. 08102 Working Group -- Measurement Requirements (2008)
Braun, Lothar, Braun, Thorsten, Carle, Georg, Dressler, Falko, Feldmann, Anja, Haage, Dirk, ...
The objective of this working group was to derive measurement requirements and challenges that originate from intrusion detection.
Abstract Rate of Change and other Metrics: a Live Study of the World Wide Web (2007)
Fred Douglis, Anja Feldmann, Er Krishnamurthy, Fred Douglis Y, Anja Feldmann Z, Balachander Krishnamurthy X, ...
Caching in the World Wide Web is based on two critical assumptions: that a significant fraction of requests reaccess resources that have already been retrieved; and that those resources do not change...
E. G. Coffman, Anja Feldmann, Nabil Kahale, Bjorn Poonen
We study call admission rates in a linear communication network with each call identified by an arrival time, duration, bandwidth requirement, and origin-destination pair. Network links all have the...
Anja Feldmann, Ming-yang Kao, Shang-hua Teng
We study the following general online scheduling problem. Parallel jobs arrive dynamically according to the dependencies between them. Each job requests a certain number of processors with a specific...
E. G. Coffman, Anja Feldmann, Nabil Kahale, Bjorn Poonen
We study call admission rates in a linear communication network with each call identified by an arrival time, duration, bandwidth requirement, and origin-destination pair. Network links all have the...
Eric J. Schwabe, Guy E. Blelloch, Anja Feldmann, Omar Ghattas, John R. Gilbert, David R. O'hallaron, ...
This paper is a report on ongoing work in developing automated systems for the partitioning, placement, and routing of data that is necessary for the efficient parallel solution of large problems in...
1 Tradeoffs for Packet Classification (2007)
Anja Feldmann, S. Muthukrishnan
Abstract---We present an algorithmic framework for solving the packet classification problem that allows various access time vs. memory tradeoffs. It reduces the multi-dimensional packet...
Can ISPs and P2P users cooperate for improved performance (2007)
Vinay Aggarwal, Anja Feldmann, Christian Scheideler, Michalis Faloutsos, Vinay Aggarwal, Anja Feldmann
This paper addresses the antagonistic relationship between overlay/p2p networks and IPS providers: they both try to manage and control traffic at different level and with different goals, but in a...
06441 Abstracts Collection -- Naming and Addressing for Next Generation Internetworks (2007)
Ahlgren, Bengt, Eggert, Lars, Feldmann, Anja, Gurtov, Andrei
From 29.10.06 to 01.11.06, the Dagstuhl Seminar 06441``Naming and Addressing for Next-Generation Internetworks'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl....
Hotnets V, Hotnets V, Dabek Google, Anja Feldmann, Tu München, Vivek Pai Princeton, ...
ACM SIGCOMM US National Science Foundation for student scholarships
REPLEX — Dynamic traffic engineering based on Wardrop routing policies (2006)
Simon Fischer, Nils Kammenhuber, Anja Feldmann
One major challenge in communication networks is the problem of dynamically distributing load in the presence of bursty and hard to predict changes in traffic demands. Current traffic engineering...
Web Search Clickstreams (2006)
Kammenhuber, Nils, Luxenburger, Julia, Feldmann, Anja, Weikum, Gerhard, Almeida, Jussara M., Almeida, Virgílio A. F., ...
Search engines are a vital part of the Web and thus the Internet infrastructure. Therefore understanding the behavior of users searching the Web gives insights into trends, and enables enhancements...
Analysis of the autonomous system network and of overlay networks using visualization (2005)
Aggarwal, Vinary, Feldmann, Anja, Gaertler, Marco, Görke, Robert, Wagner, Dorothea
Taking the physical Internet at the Autonomous System (AS) level as an instance of a complex network, and Gnutella as a popular peer-to-peer application running on top of it, we investigated the...
Analysis of the autonomous system network and of overlay networks using visualization. (2005)
Aggarwal, Vinary, Feldmann, Anja, Gaertler, Marco, Görke, Robert, Wagner, Dorothea
Building a Time Machine for Efficient Recording and Retrieval of High-Volume Network Traffic (2005)
Stefan Kornexl, Vern Paxson, Holger Dreger, Anja Feldmann, Robin Sommer, Icsi Lbnl, ...
There are times when it would be extraordinarily convenient to record the entire contents of a high-volume network traffic stream, in order to later “travel back in time ” and inspect activity...
Building a Time Machine for Efficient Recording and Retrieval of High-Volume Network Traffic (2005)
Stefan Kornexl, Vern Paxson, Holger Dreger, Anja Feldmann, Robin Sommer, Icsi Lbnl, ...
There are times when it would be extraordinarily convenient to record the entire contents of a high-volume network traffic stream, in order to later "travel back in time" and inspect...
Faktultät Für Informatik, Wolfgang Mühlbauer, Aufgabenstellerin Prof, Anja Feldmann, Ph. D, ...
Ich versichere, dass ich diese Diplomarbeit selbständig verfasst und nur die angegebenen
Methodology for estimating interdomain web traffic demand (2004)
Feldmann, Anja, Maennel, Olaf Manuel, Kammenhuber, Nils, Maggs, Bruce, De Prisco, Roberto, Sundaram, Ravi
Copyright 2004 ACM
Locating Internet Routing Instabilities (2004)
Feldmann, Anja, Maennel, Olaf Manuel, Mao, Z. Morley, Berger, Arthur, Maggs, Bruce
Copyright 2004 ACM
Methodology for estimating interdomain web traffic demand (2004)
Feldmann, Anja, Maennel, Olaf Manuel, Kammenhuber, Nils, Maggs, Bruce, De Prisco, Roberto, Sundaram, Ravi
Copyright 2004 ACM
Locating Internet Routing Instabilities (2004)
Feldmann, Anja, Maennel, Olaf Manuel, Mao, Z. Morley, Berger, Arthur, Maggs, Bruce
Copyright 2004 ACM
A methodology for estimating interdomain web traffic demand (2004)
Anja Feldmann, Nils Kammenhuber
This paper introduces a methodology for estimating interdomain Web traffic flows between all clients worldwide and the servers belonging to over one thousand content providers. The idea is to use the...
Measuring bgp pass-through times (2004)
Anja Feldmann, Hongwei Kong, Olaf Maennel, Er Tudor
Abstract. Fast routing convergence is a key requirement for services that rely on stringent QoS. Yet experience has shown that the standard inter-domain routing protocol, BGP4, takes, at times, more...
Operational experiences with high-volume network intrusion detection (2004)
Holger Dreger, Anja Feldmann, Vern Paxson, Robin Sommer
In large-scale environments, network intrusion detection systems (NIDSs) face extreme challenges with respect to traffic volume, traffic diversity, and resource management. While crucial for...
Packet Trace Manipulation Framework for Test Labs (2004)
Andy Rupp Holger, Holger Dreger, Anja Feldmann, Robin Sommer, Tu München, ...
Evaluatingne twork compone nts such as ne twork intrusion de)3)3 on systeO , fire alls, route1 , or switche su#e3 from the lack of available ne twork tra#c trace s that on the one hand are...
Locating Internet Routing Instabilities (2004)
Anja Feldmann, Olaf Maennel, Z. Morley Mao, Arthur Berger, Bruce Maggs
This paper presents a methodology for identifying the autonomous system (or systems) responsible when a routing change is observed and propagated by BGP. The origin of such a routing instability is...
A Methodology for Estimating Interdomain Web Traffic Demand (2004)
Anja Feldmann, Nils Kammenhuber, Olaf Maennel, Bruce Maggs, Roberto De Prisco, Ravi Sundaram
This paper introduces a methodology for estimating interdomain Web traffic flows between all clients worldwide and the servers belonging to over one thousand content providers. The idea is to use the...
Aufgabenstellerin Prof, Anja Feldmann, Wolfgang Mühlbauer
The Border Gateway Protocol (BGP) is the quasi-standard for the routing between autonomous systems in the Internet. Instabilities in the topology like a failing link can lead to a considerable delay...
Locating Internet routing instabilities (2004)
Anja Feldmann, Olaf Maennel, Z. Morley, Mao Arthur, Berger Bruce Maggs
This paper presents a methodology for identifying the autonomous system (or systems) responsible when a routing change is observed and propagated by BGP. The origin of such a routing instability is...
A methodology for estimating interdomain web traffic demand (2004)
Anja Feldmann, Nils Kammenhuber, Olaf Maennel, Bruce Maggs, Roberto De Prisco, Ravi Sundaram, ...
This paper introduces a methodology for estimating interdomain Web traffic flows between all clients worldwide and the servers belonging to over one thousand content providers. The idea is to use the...
Measuring bgp pass-through times (2004)
Anja Feldmann, Hongwei Kong, Olaf Maennel, Alexander Tudor
Even though BGP has been studied extensively within the last few years, e.g., [1], we still do not have a good understanding on how and where the delays occur. Unexplainably large convergence times...
Packet trace manipulation framework for test labs (2004)
Holger Dreger, Anja Feldmann, Robin Sommer, Tu München, Tu München, ...
Evaluating network components such as network intrusion detection systems, firewalls, routers, or switches suffers from the lack of available network traffic traces that on the one hand are...
An experimental study of k-splittable scheduling for DNS-based traffic allocation (2003)
Agarwal,Amit, Agarwal,Tarun, Chopra,Sumit, Feldmann,Anja, Kammenhuber,Nils, Krysta,Piotr, ...
An experimental study of k-splittable scheduling for DNS-based traffic allocation (2003)
Agarwal, Amit, Agarwal, Tarun, Chopra, Sumit, Feldmann, Anja, Kammenhuber, Nils, Krysta, Piotr, ...
An analysis of Internet chat systems (2003)
Christian Dewes, Arne Wichmann, Anja Feldmann
In our quest to better understand network tra#c dynamics, we examine Internet chat systems. Although chat as an application does not contribute huge amounts of tra#c, chat systems are known to be...
An Experimental Study of k-Splittable Scheduling for DNS-Based Traffic Allocation (2003)
Amit Agarwal, Tarun Agarwal, Sumit Chopra, Anja Feldmann, Nils Kammenhuber, Piotr Krysta, ...
Abstract. The Internet domain name system (DNS) uses rotation of address lists to perform load distribution among replicated servers. We model this kind of load balancing mechanism in form of a set...
An Experimental Study of k-Splittable Scheduling for DNS-Based Traffic Allocation (2003)
Amit Agarwal, Tarun Agarwal, Sumit Chopra, Anja Feldmann, Nils Kammenhuber, Piotr Krysta, ...
Abstract. The Internet domain name system (DNS) uses rotation of address lists to perform load distribution among replicated servers. We model this kind of load balancing mechanism in form of a set...
Realistic BGP Traffic for Test Labs (2002)
Maennel, Olaf Manuel, Feldmann, Anja
This paper examines the possibility of generating realistic routing tables of arbitrary size along with realistic BGP updates of arbitrary frequencies via an automated tool deployable in a...
Realistic BGP Traffic for Test Labs (2002)
Maennel, Olaf Manuel, Feldmann, Anja
This paper examines the possibility of generating realistic routing tables of arbitrary size along with realistic BGP updates of arbitrary frequencies via an automated tool deployable in a...
Fellowship of the German Academic Exchange Service (DAAD) (2002)
Dr. Robin Sommer, Advisor Prof, Anja Feldmann, Prof Manfred Broy, Prof Vern Paxson
NetFlow: Information Loss or Win (2002)
Operating a network without accurate traffic statistics is not desirable. Commonly used data sources are SNMP [1], flow-level data like Cisco's NETFLOW [2], and packet level data. The first data...
Deriving Traffic Demands for Operational IP networks: Methodology and Experience (2001)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford, Fred True
1. INTRODUCTION The engineering of large, IP backbone networks faces a number of difficult challenges. Owing to the astonishing success of Internet applications and the continuing rollout of faster...
Deriving Traffic Demands for Operational IP networks: Methodology and Experience (2001)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford, Fred True
Engineering a large IP backbone network without an accurate, network-wide view of the tra c demands is challenging. Shifts in user behavior, changes in routing policies, and failures of network...
IP network configuration for intradomain traffic engineering (2001)
Anja Feldmann, Jennifer Rexford
The smooth operation of the Internet depends on the careful configuration of routers in thousands of autonomous systems throughout the world. Configuring routers is extremely complicated because of...
Deriving Traffic Demands for Operational IP networks: Methodology and Experience (2001)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford, Fred True
Abstract--- Engineering a large IP backbone network without an accurate, network-wide view of the traffic demands is challenging. Shifts in user behavior, changes in routing policies, and failures of...
IP network configuration for intradomain traffic engineering (2001)
Anja Feldmann, Jennifer Rexford
The smooth operation of the Internet depends on the careful configuration of routers in thousands of autonomous systems throughout the world. Configuring routers is extremely complicated because of...
Deriving Traffic Demands for Operational IP networks: Methodology and Experience (2001)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford, Fred True
anja,albert,lund,reingold,jrex,ft¢
NetScope: Tra c Engineering for IP Networks (2000)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford
Managing large IP networks requires an understanding of the current tra c ows, routing policies, and network con guration. Yet, the state-of-the-art for managing IP networks involves manual con...
IP Network Configuration for Traffic Engineering (2000)
Anja Feldmann, From Anja Feldmann, Jennifer Rexford
this paper, we discuss a methodology for obtaining an
Deriving Traffic Demands for Operational IP Networks: Methodology and Experience (2000)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford, Fred True
Engineering a large IP backbone network without an accurate, network-wide view of the traffic demands is challenging. Shifts in user behavior, changes in routing policies, and failures of network...
BLT: Bi-Layer Tracing of HTTP and TCP/IP (2000)
We describe BLT, a tool for extracting full HTTP level as well as TCP level traces via packet monitoring. This paper presents the software architecture that allows us to collect traces continuously,...
Tradeoffs for Packet Classification (2000)
Anja Feldmann, S. Muthukrishnan
We present an algorithmic framework for solving the packet classification problem that allows various access time vs. memory tradeoffs. It reduces the multidimensional packet classification problem...
Performance of Web proxy caching in heterogeneous bandwidth environments (1999)
Anja Feldmann, Ramón Cáceres, Fred Douglis, Gideon Glass, Michael Rabinovich
Abstract — Much work on the performance of Web proxy caching has focused on high-level metrics such as hit rates, but has ignored low-level details such as “cookies, ” aborted connections, and...
Dynamics of IP traffic: A study of the role of variability and the impact of control (1999)
Anja Feldmann, Anna C. Gilbert, Polly Huang, Walter Willinger
Using the ns-2-simulator to experiment with different aspects of user- or session-behaviors and network configurations and focusing on the qualitative aspects of a wavelet-based scaling analysis, we...
Performance of Web Proxy Caching in Heterogeneous Bandwidth Environments (1999)
Anja Feldmann, Ramon Caceres, Fred Douglis, Gideon Glass, Michael Rabinovich
Much work on the performance of Web proxy caching has focused on high-level metrics such as hit rates, but has ignored low-level details such as "cookies," aborted connections, and...
Performance of Web proxy caching in heterogeneous bandwidth environments (1999)
Anja Feldmann, Ramón Cáceres, Fred Douglis, Gideon Glass, Michael Rabinovich
Abstract — Much work on the performance of Web proxy caching has focused on high-level metrics such as hit rates, but has ignored low-level details such as “cookies, ” aborted connections, and...
Dynamics of IP traffic: A study of the role of variability and the impact of control (1999)
Anja Feldmann, Anna C. Gilbert, Polly Huang, Walter Willinger
Using the ns-2-simulator to experiment with different aspects of user- or session-behaviors and network configurations and focusing on the qualitative aspects of a wavelet-based scaling analysis, we...
Netdb: IP Network Configuration Debugger/Database (1999)
Anja Feldmann Network, Anja Feldmann
The operation of IP routers is determined by their configuration files. Currently configuration files of routers in the Internet are mainly changed via a command line interfaces. This creates the...
NetScope: Traffic Engineering for IP Networks (1999)
Anja Feldmann, Albert Greenberg, Carsten Lund, Nick Reingold, Jennifer Rexford
Managing large IP networks requires an understanding of the current traffic flows, routing policies, and network configuration. Yet, the state-of-the-art for managing IP networks involves manual...
Performance of Web Proxy Caching in Heterogeneous Bandwidth Environments (1999)
Anja Feldmann, Ramón Cáceres, Fred Douglis, Gideon Glass, Michael Rabinovich
Much work on the performance of Web proxy caching has focused on high-level metrics such as hit rates, but has ignored low-level details such as cookies, aborted connections, and persistent...
On the impact of variability on the buffer dynamics in IP networks (1999)
Youngmi Joo, Vinay Ribeiro, Anja Feldmann, Anna C. Gilbert, Walter Willinger
The main objective of this paper is to demonstrate in the context of a simple TCP/IPbased network that depending on the underlying assumptions about the inherent nature of the variability of network...
On the impact of variability on the buffer dynamics in IP networks (1999)
Youngmi Joo, Vinay Ribeiro, Anja Feldmann, Anna C. Gilbert, Walter Willinger
The main objective of this paper is to demonstrate in the context of a simple TCP/IPbased network that depending on the underlying assumptions about the inherent nature of the variability of network...
Competitive Analysis of Call Admission Algorithms that Allow Delay. (1998)
Feldmann, Anja, Maggs, Bruce, Sgall, Jiri, Sleator, Daniel D., Tomkins, Andrew
This paper presents an analysis of several simple on-line algorithms for processing requests for connections in distributed networks. These algorithms are called call admission algorithms. Each...
Traffic measurements from communication networks have shown that many quantities characterizing network performance have long-tail probability distributions, i.e., with tails that decay more slowly...
Reducing overhead in flow-switched networks: An empirical study of web traffic (1998)
Anja Feldmann, Jennifer Rexford
Abstract--- To efficiently transfer large amounts of diverse traffic over high-speed links, modern integrated networks require more efficient packet-switching techniques that can capitalize on recent...
Continuous online extraction of HTTP traces from packet traces (1998)
To improve the performance of the network and the network protocol it is important to characterize the
Traffic measurements from communication networks have shown that many quantities characterizing network performance have long-tail probability distributions, i.e., with tails that decays more slowly...
Characteristics of TCP connection arrivals (1998)
In the Internet more and more network resource allocation problem arise at the connection level. Therefore it is essential to understand the nature of traffic at the connection level. This paper...
Web Proxy Caching: The Devil is in the Details (1998)
Ramon Caceres, Fred Douglis, Anja Feldmann, Gideon Glass, Michael Rabinovich
Much work in the analysis of proxy cachinghas focused on high-level metrics such as hit rates, and has approximated actual reference patterns by ignoring exceptional cases such as connection aborts....
Web Proxy Caching: The Devil is in the Details (1998)
Ram'on Aceres, Fred Douglis, Anja Feldmann, Gideon Glass, Michael Rabinovich
Much work in the analysis of proxy caching has focused on high-level metrics such as hit rates, and has approximated actual reference patterns by ignoring exceptional cases such as connection aborts....
Reducing Overhead in Flow-Switched Networks: An Empirical Study of Web Traffic (1998)
Anja Feldmann, Jennifer Rexford, Ramón Cáceres
To efficiently transfer large amounts of diverse traffic over high-speed links, modern integrated networks require more efficient packet-switching techniques that can capitalize on recent advances in...
Optimal On-line Scheduling of Parallel Jobs with Dependencies (1998)
Anja Feldmann, Ming-yang Kao, Jirí Sgall, Shang-Hua Teng
We study the following general on-line scheduling problem. Parallel jobs arrive on a parallel machine dynamically according to the dependencies between them. Each job requests a certain number of...
Web Proxy Caching: The Devil is in the Details (1998)
Ram'on Aceres, Fred Douglis, Anja Feldmann, Gideon Glass, Michael Rabinovich
Much work in the analysis of proxy caching has focused on high-level metrics such as hit rates, and has approximated actual reference patterns by ignoring exceptional cases such as connection aborts....
Web Proxy Caching: The Devil is in the Details (1998)
Ram'on Aceres, Fred Douglis, Anja Feldmann, Gideon Glass, Michael Rabinovich
Much work in the analysis of proxy caching has focused on high-level metrics such as hit rates, and has approximated actual reference patterns by ignoring exceptional cases such as connection aborts....
Traflc measurements from communication networks have shown that many quantities characterizing network performance have long-tail probability distributions, a’.e., with tails that decays more...
Optimal on-line scheduling of parallel jobs with dependencies (1998)
Anja Feldmann, Ming-yang Kao, Shang-hua Teng
Abstract We study the following general online scheduling problem. Parallel jobs arrive dynamically according to the dependencies between them. Each job requests a certain number of processors with a...
Using the AT&T Labs PacketScope for Internet measurement, design, and performance analysis (1997)
Nikos Anerousis, Ramon Caceres, Nick Duffield, Anja Feldmann, Albert Greenberg, Chuck Kalmanek, ...
Abstract. This note describes the AT&T Labs PacketScope, a high performance system for packet-level Internet measurement, which we have developed with the help of a great many others in AT&T...
Rate of Change and other Metrics: a Live Study of the World Wide Web (1997)
Fred Douglis, Anja Feldmann, Balachander Krishnamurthy, Jeffrey Mogul
Caching in the World Wide Web is based on two critical assumptions: that a significant fraction of requests reaccess resources that have already been retrieved; and that those resources do not change...
Potential Benefits Of Delta Encoding and Data Compression for HTTP (Corrected Version) (1997)
Jeffrey C. Mogul, Fred Douglis, Anja Feldmann, Balachander Krishnamurthy
Caching in the World Wide Web currently follows a naive model, which assumes that resources are referenced many times between changes. The model also provides no way to update a cache entry if a...
Rate of Change and other Metrics: a Live Study of the World Wide Web (1997)
Fred Douglis, Anja Feldmann, Balachander Krishnamurthy, Jeffrey Mogul
Caching in the World Wide Web is based on two critical assumptions: that a significant fraction of requests reaccess resources that have already been retrieved; and that those resources do not change...
Abstract Rate of Change and other Metrics: a Live Study of the World Wide Web (1997)
Fred Douglis, Anja Feldmann, Balachander Krishnamurthy, Jeffrey Mogul
Caching in the World Wide Web is based on two critical assumptions: that a significant fraction of requests reaccess resources that have already been retrieved; and that those resources do not change...
Automated Parallel Solution of Unstructured PDE Problems (1996)
Anja Feldmann, Omar Ghattas, John R. Gilbert, Gary L. Miller, David R. O'hallaron, Eric J. Schwabe, ...
This article describes Archimedes, an automated system for solving partial differential equations on geometrically complex domains using distributed memory supercomputers. The tasks of such a system...
Automated Parallel Solution of Unstructured PDE Problems (1996)
Anja Feldmann, Omar Ghattas, John R. Gilbert, Gary L. Miller, David R. O'Hallaron, Eric J. Schwabe, ...
This article describes Archimedes, an automated system for solving partial differential equations on geometrically complex domains using distributed memory supercomputers. The tasks of such a system...
Thesis Summary: On-line Call Admission for High-Speed Networks (1995)
Anja Feldmann, Allan Fisher, F. Thomson Leighton
New networking technologies such as asynchronous transfer mode (ATM) can carry a wide variety of traffic -- voice, video, and data -- over a single digital network. Since some of these services...
Competitive Analysis of Call Admission Algorithms that Allow Delay (1995)
Anja Feldmann, Bruce Maggs, Jiri Sgall, Daniel D. Sleator, Andrew Tomkins
This paper presents an analysis of several on-line algorithms, called call admission algorithms, for processing requests for connections in distributed networks. Each request comes with a source, a...
Supporting Sets of Arbitrary Connections on iWarp Through Communication Context Switches (1993)
Anja Feldmann, Thomas M. Stricker, Thomas E. Warfel
switches
Supporting Sets of Arbitrary Connections on iWarp Through Communication Context Switches (1993)
Anja Feldmann, Thomas M. Stricker, Thomas E. Warfel
In this paper we introduce the ConSet communication model for distributed memory parallel computers. The communication needs of an application program can be satisfied by some arbitrary set of...
Subset Barrier Synchronization on a Private-Memory Parallel System (1992)
Anja Feldmann, Thomas Gross, Thomas M. Stricker
A global barrier synchronizes all processors in a parallel system. This paper investigates algorithms that allow disjoint subsets of processors to synchronize independently and in parallel. The user...
Subset barrier synchronization on a private-memory parallel system (1992)
Anja Feldmann, Thomas Gross, Thomas M. Stricker
A global barrier synchronizes all processors in a parallel system. This paper investigates algorithms that allow disjoint subsets of processors to synchronize independently and in parallel. The user...
Dynamic Scheduling on Parallel Machines (1991)
Anja Feldmann, Jirí Sgall, Shang-Hua Teng
We study the problem of online job-scheduling on parallel machines with different network topologies. An online scheduling algorithm schedules a collection of parallel jobs with known resource...
Wolfgang Mühlbauer, Anja Feldmann, Tu München
Building an AS-topology model that captures route diversity An understanding of the topological structure of the Internet is needed for quite a number of networking tasks, e.g., making decisions...
Wolfgang Mühlbauer, Anja Feldmann, Tu München
An understanding of the topological structure of the Internet is needed for quite a number of networking tasks, e.g., making decisions about peering relationships, choice of upstream providers,...
Wolfgang Mühlbauer, Anja Feldmann, Tu München
An understanding of the topological structure of the Internet is needed for quite a number of networking tasks, e.g., making decisions about peering relationships, choice of upstream providers,...
NetScope: Traffic engineering for IP networks (0000)
Managing large IP networks requires an understanding of the current traffic flows, routing policies, and network configuration Managing large IP networks requires an understanding of...
IP network configuration for intradomain traffic engineering (0000)
The smooth operation of the Internet depends on the careful configuration of routers in thousands of autonomous systems throughout the world The smooth operation of the Internet...
IP network configuration for intradomain traffic engineering
The smooth operation of the Internet depends on the careful configuration of routers in thousands of autonomous systems throughout the world The smooth operation of the Internet...
NetScope: Traffic engineering for IP networks
Managing large IP networks requires an understanding of the current traffic flows, routing policies, and network configuration Managing large IP networks requires an understanding of...