Amogh Dhamdhere. Cooperative Association for Internet Data Analysis 9500 Gilman Dr., Mail Stop 0505 La Jolla, CA

Size: px
Start display at page:

Download "Amogh Dhamdhere. Cooperative Association for Internet Data Analysis 9500 Gilman Dr., Mail Stop 0505 amogh@caida.org La Jolla, CA 92093-0505"

Transcription

1 Amogh Dhamdhere Research Scientist (O) Cooperative Association for Internet Data Analysis 9500 Gilman Dr., Mail Stop 0505 La Jolla, CA amogh Education Georgia Institute of Technology Ph.D. in Computer Science May 2009 Thesis: Provider and Peer Selection in the Evolving Internet Advisor: Prof. Constantine Dovrolis Minor: Internet Economics GPA: 4.0 Mumbai University Mumbai, India Bachelor of Engineering (B.E.) in Computer Science Aug 2002 Research Experience Research Scientist CAIDA/SDSC/UCSD Measurement and modeling of the Internet s AS and router-level topologies Modeling the economics of Internet interconnection and peering San Diego, CA August present Post-doctoral Researcher San Diego, CA CAIDA/SDSC/UCSD July July 2011 Measurement and modeling of the Internet s AS and router-level topologies Modeling the economics of Internet interconnection and peering Summer Intern Florham Park, NJ AT&T Labs-Research May Aug 2008 Tools for measuring the impact of control plane events on data plane performance using passive flow-level (netflow) measurements Research Intern Paris, France Thomson July Dec 2006 Tools for diagnosing network reachability failures using end-to-end probes and routing information Graduate Research Assistant Georgia Institute of Technology May May 2009 Measurement and modeling of the Internet s AS-level topology dynamics Modeling buffer size requirements for Internet routers Network measurements Teaching Experience

2 Graduate Teaching Assistant Georgia Institute of Technology Aug May 2003 TA for undergraduate networking course CS4270 TA for graduate networking course CS6250 Publications 1. Jakub Mikians, Amogh Dhamdhere, Constantine Dovrolis, Pere Barlet-Ros, and Josep Sole-Pareta, Towards a Stastical Characterization of the Interdomain Traffic Matrix, In the Proceedings of IFIP Networking, Prague, Czech Republic, May Amogh Dhamdhere, Himalatha Cherukuru, Constantine Dovrolis and Kc Claffy, Measuring the Evolution of Internet Peering Agreements, In the Proceedings of IFIP Networking, Prague, Czech Republic, May Aemen Lodhi, Amogh Dhamdhere, and Constantine Dovrolis, Analysis of Peering Strategy Adoption by Transit Providers in the Internet, In the Proceedings of the 7th Workshop on the Economics of Networks, Systems and Computation (Netecon), Orlando FL, Mar 2012., 4. Aemen Lodhi, Amogh Dhamdhere, and Constantine Dovrolis, GENESIS: An Agent-based Model of Interdomain Network Formation, Traffic Flow and Economics, In the Proceedings of IEEE Infocom, Orlando FL, March Murtaza Motiwala, Amogh Dhamdhere, Nick Feamster and Anukool Lakhina, Towards a Cost Model for Network Traffic, ACM Computer Communications Review (CCR), January Amogh Dhamdhere and Constantine Dovrolis, Twelve Years in the Evolution of the Internet Ecosystem, IEEE/ACM Transactions on Networking, Matthew Luckie, Amogh Dhamdhere and David Murrell, Measured Impact of Crooked Tracing, ACM Computer Communications Review (CCR), January Amogh Dhamdhere and Constantine Dovrolis, The Internet is Flat: Modeling the Transition from a Transit Hierarchy to a Peering Mesh, In the Proceedings of ACM SIGCOMM CoNEXT, Philadelphia PA, Dec Amogh Dhamdhere, Lee Breslau, Nick Duffield, Alexandre Gerber, Cheng Ee, Carsten Lund and Subhabrata Sen,, FlowRoute: Inferring Forwarding Table Updates Using Passive Flow-level Measurements, In the Proceedings of the Internet Measurement Conference (IMC), Melbourne, Australia, Nov Amogh Dhamdhere, Pierre Francois and Constantine Dovrolis, A Value-based Framework for Internet Peering Agreements, In the Proceedings of the International Teletraffic Congress (ITC), Amsterdam, the Netherlands, Sept Bradley Huffaker, Amogh Dhamdhere, Marina Fomenkov and K Claffy, Toward Topology Dualism: Improving AS Annotations for Routers, In the Proceedings of Passive and Active Measurement Conference (PAM), Zurich, Switzerland, Apr Amogh Dhamdhere and Constantine Dovrolis, An Agent-based Model for the Evolution of the Internet Ecosystem, In the Proceedings of the First International Conference on COMmunication Systems and NETworkS (COMSNETS), Bangalore, India, Jan 2009 (Invited paper). 12. Amogh Dhamdhere and Constantine Dovrolis, Ten Years in the Evolution of the Internet Ecosystem, In the Proceedings of the USENIX/ACM Internet Measurement Conference (IMC), Vouliagmeni, Greece, Oct 2008.

3 13. Amogh Dhamdhere and Constantine Dovrolis, Can ISPs be Profitable Without Violating Network Neutrality?, In the Proceedings of ACM SIGCOMM Workshop on the Economics of Networks, Systems and Computation (Netecon), Seattle WA, Aug Amogh Dhamdhere, Renata Teixeira, Constantine Dovrolis and Christophe Diot, NetDiagnoser: Troubleshooting Network Unreachabilities using End to end Probes and Routing Data, In the Proceedings of CoNEXT 2007, New York, Dec Amogh Dhamdhere and Constantine Dovrolis, ISP and Egress Path Selection for Multihomed Networks, In the Proceedings of IEEE Infocom, Barcelona, Spain, Apr Amogh Dhamdhere and Constantine Dovrolis, Open Issues in Router Buffer Sizing, In ACM Computer Communications Review (CCR), Jan Amogh Dhamdhere, Hao Jiang and Constantine Dovrolis, Buffer Sizing for Congested Internet Links, In the Proceedings of IEEE Infocom, Miami FL, Mar Muhammad Mukarram Bin Tariq, Amogh Dhamdhere, Constantine Dovrolis and Mostafa Ammar, Poisson vs Periodic Path Probing (or Does PASTA Matter?), In the Proceedings of the ACM Internet Measurement Conference (IMC), New Orleans LA, Oct Pradnya Karbhari, Mostafa Ammar, Amogh Dhamdhere, Himanshu Raj, George Riley and Ellen Zegura, Bootstrapping in Gnutella: A Measurement Study, In the Proceedings of Passive and Active Measurement Conference (PAM), Apr Submitted/In Progress/Technical Reports 1. Amogh Dhamdhere and Constantine Dovrolis, A Model for Interdomain Network Formation, Economics and Routing, Georgia Tech Technical Report GT-CS Amogh Dhamdhere, Renata Teixeira, Constantine Dovrolis and Christophe Diot, NetDiagnoser: Troubleshooting Persistent Network Service Disruptions, Thomson Technical Report CR-PRL Presentations and Talks A cost model for network traffic (with an application to paid-peering), 2nd Workshop on Internet Economics, CAIDA, Dec An Agent-based Model of Interdomain Interconnection in the Internet, Different Angles on Network Complexity, Engineering, and Science (DANCES), UCSD, Feb Measured Impact of Crooked Traceroute, ISMA AIMS-3 workshop, CAIDA, Feb The Internet is Flat: Modeling the Transition from a Transit Hierarchy to a Peering Mesh, ACM CoNEXT, Philadelphia PA, Dec The Economics of Transit and Peering Interconnections in the Internet, Invited talk at the University of New South Wales, Sydney, Australia, Nov Invited talk at NICTA, Sydney, Australia, Nov A Value-based Framework for Internet Peering Agreements, NANOG 49, San Francisco CA, June 2010.

4 An Agent-based Model for the Evolution of the Internet Ecosystem, Invited talk, International Conference on COMmunication Systems and NETworkS (COMSNETS), Bangalore, India, Jan Ten Years in the Evolution of the Internet Ecosystem, USENIX/ACM Internet Measurement Conference (IMC), Vouliagmeni, Greece, October Can ISPs be Profitable Without Violating Network Neutrality?, ACM SIGCOMM Workshop on the Economics of Networks, Systems and Computation (Netecon), Seattle, WA, August NetDiagnoser: Troubleshooting Network Unreachabilities using End to end Probes and Routing Data, CoNEXT 2007, New York, December DIMACS/DyDAn Workshop on Internet Tomography, Rutgers University, May Thomson Open House, Thomson, Dec ISP and Egress Path Selection for Multihomed Networks, IEEE Infocom, Barcelona, Spain, April Open Issues in Router Buffer Sizing, Georgia Tech, Spring Buffer Sizing for Congested Internet Links, IEEE Infocom, Miami, FL, March Hamilton Institute Workshop on Congestion Control, Ireland, Sept Grants NSF NETSE: Network Science and Engineering CAIDA/Georgia Tech Title: The Economics of Transit and Peering Interconnections July 2010-July 2013 in the Internet Amount: $500,000 Investigators: Kc Claffy, Constantine Dovrolis and Amogh Dhamdhere Cisco Systems CAIDA Title: Volume-Based Transit Pricing. Which Percentile is Right? January 2012 Investigators: Amogh Dhamdhere and Kc Claffy Amount: $100,000 Patents 1. Lee Breslau, Nicholas Duffield, Amogh Dhamdhere, Cheng Ee, Alexandre Gerber, Carsten Lund, Shubho Sen, System and Method for Determination of Routing Information in a Network, patent pending. 2. Lee Breslau, Nicholas Duffield, Amogh Dhamdhere, Cheng Ee, Alexandre Gerber, Carsten Lund, Shubho Sen, Indirect Measurement Methodology To Infer Routing Changes Using Statistics Of Flow Arrival Processes, patent pending. Professional Service TPC member: Passive and Active Measurement (PAM) Conference, March 2011, International Conference on Information Systems, Technology and Management (ICISTM) Journal activities: Reviewer for ACM Computer Communications Review (2008, 2009, 2010), Elsevier Computer Networks Journal (2006, 2008, 2009, 2010, 2011), Elsevier Computer Communications Journal (2009), IEEE Communications Letters (2009), IEEE/ACM Transactions on Networking (2010, 2011, 2012).

5 Conference activities: Reviewer for ACM SIGCOMM 2004, IEEE INFOCOM 2004, 2005, 2007, IWQoS 2003 and 2004, ACM Netgames 2004, IEEE ICC 2004, IEEE Globecomm 2007, PAM 2007, Technical Expertise Programming languages: C, C++, Perl, Tcl, Python, Java Tools: ns-2 network simulator, MATLAB, R, Pathload, Pathrate, Routeviews, Planetlab, C-BGP routing simulator, Netflow Protocols familiar with: TCP/IP, UDP, ICMP, BGP, MPLS, OSPF, HTTP. Other Projects Analysis of the causes of high-degree routers seen in router-level topologies, CAIDA, Spring IP-AS mapping comparison, CAIDA, Spring Poisson vs. Periodic Path Probing, with Dr. Constantine Dovrolis, College of Computing, Georgia Tech, Spring CoopGame: A Co-operative Architecture for Large Scale Multiplayer Games, course project for CS7270, College of Computing, Georgia Tech, Spring Determining the Characteristics of the Gnutella Network, with Dr. Ellen Zegura, College of Computing, Georgia Tech, Fall End to End Link Capacity Measurement using Pathrate, with Dr. Constantine Dovrolis, College of Computing, Georgia Tech, Fall Object Location Schemes in Peer to Peer Networks, with Dr. Mostafa Ammar, College of Computing, Georgia Tech, Fall Simulation Study of Routing Protocols for Mobile Ad Hoc Networks, summer project at the K.R. School of Information Technology, Indian Institute of Technology (IIT) Bombay, Summer References Available on request.

How To Find A Failure In A Network

How To Find A Failure In A Network Practical Issues with Using Network Tomography for Fault Diagnosis Yiyi Huang Georgia Institute of Technology yiyih@cc.gatech.edu Nick Feamster Georgia Institute of Technology feamster@cc.gatech.edu Renata

More information

Internet topology and performance analytics for mapping critical network infrastructure

Internet topology and performance analytics for mapping critical network infrastructure CYBER SECURITY DIVISION 2014 R&D SHOWCASE AND TECHNICAL WORKSHOP Internet topology and performance analytics for mapping critical network infrastructure CAIDA/UCSD PI k claffy 16-18 December 2014 1 Team

More information

Analyzing and modelling the AS-level Internet topology

Analyzing and modelling the AS-level Internet topology Analyzing and modelling the AS-level Internet topology Shi Zhou & Raul J. Mondragon Department of Electronic Engineering Queen Mary, University of London Mile End Road, London, E1 4NS, United Kingdom Email:

More information

Towards a Cost Model for Network Traffic

Towards a Cost Model for Network Traffic Towards a Cost Model for Network Traffic Murtaza Motiwala, Amogh Dhamdhere, Nick Feamster, Anukool Lakhina Georgia Tech CAIDA Guavus murtaza@gatech.edu, amogh@caida.org, feamster@gatech.edu, anukool.lakhina@guavus.com

More information

PROVIDER AND PEER SELECTION IN THE EVOLVING INTERNET ECOSYSTEM

PROVIDER AND PEER SELECTION IN THE EVOLVING INTERNET ECOSYSTEM PROVIDER AND PEER SELECTION IN THE EVOLVING INTERNET ECOSYSTEM A Thesis Presented to The Academic Faculty by Amogh Dhamdhere In Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy

More information

Measuring the Evolution of Internet Peering Agreements

Measuring the Evolution of Internet Peering Agreements Measuring the Evolution of Internet Peering Agreements Amogh Dhamdhere 1, Himalatha Cherukuru 2, Constantine Dovrolis 2, and Kc Claffy 1 CAIDA 1 Georgia Tech 2 {amogh,kc}@caida.org dovrolis@cc.gatech.edu

More information

Studying Black Holes on the Internet with Hubble

Studying Black Holes on the Internet with Hubble Studying Black Holes on the Internet with Hubble Ethan Katz-Bassett, Harsha V. Madhyastha, John P. John, Arvind Krishnamurthy, David Wetherall, Thomas Anderson University of Washington August 2008 This

More information

Analysis of Internet Topologies

Analysis of Internet Topologies Analysis of Internet Topologies Ljiljana Trajković ljilja@cs.sfu.ca Communication Networks Laboratory http://www.ensc.sfu.ca/cnl School of Engineering Science Simon Fraser University, Vancouver, British

More information

Damiano Carra EMPLOYMENT HISTORY EDUCATION

Damiano Carra EMPLOYMENT HISTORY EDUCATION Damiano Carra Computer Science Department University of Verona Strada le Grazie 15 I-37134 Verona (Italy) Phone: +39 045 802 7059 Fax: +39 045 802 7068 Email: damiano.carra@univr.it EMPLOYMENT HISTORY

More information

Analysis of Internet Topologies: A Historical View

Analysis of Internet Topologies: A Historical View Analysis of Internet Topologies: A Historical View Mohamadreza Najiminaini, Laxmi Subedi, and Ljiljana Trajković Communication Networks Laboratory http://www.ensc.sfu.ca/cnl Simon Fraser University Vancouver,

More information

Network Troubleshooting from End-Hosts

Network Troubleshooting from End-Hosts Habilitation à Diriger des Recherches Université Pierre et Marie Curie Paris 6 Network Troubleshooting from End-Hosts presented by Renata Cruz Teixeira Submitted in total fullfilment of the requirements

More information

Discovering High-Impact Routing Events Using Traceroutes

Discovering High-Impact Routing Events Using Traceroutes ISCC 2015 IEEE Symposium on Computers and Communications Discovering High-Impact Routing Events Using Traceroutes Dept. of Engineering, Roma Tre University, Italy July 7th, 2015 Larnaca, Cyprus Joint work

More information

The Joint Degree Distribution as a Definitive Metric of the Internet AS-level Topologies

The Joint Degree Distribution as a Definitive Metric of the Internet AS-level Topologies The Joint Degree Distribution as a Definitive Metric of the Internet AS-level Topologies Priya Mahadevan, Dimitri Krioukov, Marina Fomenkov, Brad Huffaker, Xenofontas Dimitropoulos, kc claffy, Amin Vahdat

More information

Measuring and Characterizing End-to-End Route Dynamics in the Presence of Load Balancing

Measuring and Characterizing End-to-End Route Dynamics in the Presence of Load Balancing Measuring and Characterizing End-to-End Route Dynamics in the Presence of Load Balancing Ítalo Cunha,2 Renata Teixeira 2,3 Christophe Diot Technicolor 2 UPMC Sorbonne Universités 3 CNRS Abstract Since

More information

Analysis of peering strategy adoption by transit providers in the Internet

Analysis of peering strategy adoption by transit providers in the Internet Analysis of peering strategy adoption by transit providers in the Internet Aemen Lodhi School of Computer Science Georgia Institute of Technology aemen.lodhi@gatech.edu Amogh Dhamdhere CAIDA University

More information

Understanding the topological properties of Internet traffic: a view from the edge

Understanding the topological properties of Internet traffic: a view from the edge Understanding the topological properties of Internet traffic: a view from the edge Juan Antonio Cordero, Olivier Bonaventure ICTEAM, Université catholique de Louvain (Belgium) {juan.cordero olivier.bonaventure}@uclouvain.be

More information

A Second Look at Detecting Third-Party Addresses in Traceroute Traces with the IP Timestamp Option

A Second Look at Detecting Third-Party Addresses in Traceroute Traces with the IP Timestamp Option A Second Look at Detecting Third-Party Addresses in Traceroute Traces with the IP Timestamp Option Matthew Luckie and kc claffy {mjl,kc}@caida.org CAIDA, UC San Diego, USA Abstract. Artifacts in traceroute

More information

Challenges in Inferring Internet Interdomain Congestion

Challenges in Inferring Internet Interdomain Congestion Challenges in Inferring Internet Interdomain Congestion Matthew Luckie mjl@caida.org Bradley Huffaker bradley@caida.org Amogh Dhamdhere amogh@caida.org kc claffy kc@caida.org David Clark MIT ddc@csail.mit.edu

More information

Curriculum Vitae Michael M. Zavlanos

Curriculum Vitae Michael M. Zavlanos Curriculum Vitae Michael M. Zavlanos Home Address Work Address 2114 Pine Street 3330 Walnut Street Apartment 1 Front GRASP Laboratory, Levine Hall 465 Philadelphia, PA 19103 Dept. of Electrical and Systems

More information

AT&T Global Network Client for Windows Product Support Matrix January 29, 2015

AT&T Global Network Client for Windows Product Support Matrix January 29, 2015 AT&T Global Network Client for Windows Product Support Matrix January 29, 2015 Product Support Matrix Following is the Product Support Matrix for the AT&T Global Network Client. See the AT&T Global Network

More information

IP Network Monitoring and Measurements: Techniques and Experiences

IP Network Monitoring and Measurements: Techniques and Experiences IP Network Monitoring and Measurements: Techniques and Experiences Philippe Owezarski LAAS-CNRS Toulouse, France Owe@laas.fr 1 Outline 4 Introduction 4 Monitoring problematic 8Only based on network administration

More information

ANUJA GUPTA Assistant Professor Anuja.Gupta@rutgers.edu Tel: (856) 225 6227 July 2014

ANUJA GUPTA Assistant Professor Anuja.Gupta@rutgers.edu Tel: (856) 225 6227 July 2014 ANUJA GUPTA Assistant Professor Anuja.Gupta@rutgers.edu Tel: (856) 225 6227 July 2014 EDUCATION University of Pennsylvania, The Wharton School, Philadelphia, PA PhD in Management, May 2010 Master of Science,

More information

Active Measurement Data Analysis Techniques

Active Measurement Data Analysis Techniques 3/27/2000: This work is an Authors version, and has been submitted for publication. Copyright may be transferred without further notice and the accepted version may then be posted by the publisher. Active

More information

A Preference Model for Deciding the Market Share of Network Service Providers

A Preference Model for Deciding the Market Share of Network Service Providers A Preference Model for Deciding the Market Share of Network Service Providers Richard T. B. Ma School of Computing National University of Singapore Email: tbma@comp.nus.edu.sg John C. S. Lui Dept. of Computer

More information

BGP Routing Stability of Popular Destinations

BGP Routing Stability of Popular Destinations BGP Routing Stability of Popular Destinations Jennifer Rexford, Jia Wang, Zhen Xiao, and Yin Zhang AT&T Labs Research; Florham Park, NJ Abstract The Border Gateway Protocol (BGP) plays a crucial role in

More information

GENESIS: An agent-based model of interdomain network formation, traffic flow and economics

GENESIS: An agent-based model of interdomain network formation, traffic flow and economics GENESIS: An agent-based model of interdomain network formation, traffic flow and economics Aemen Lodhi School of Computer Science Georgia Institute of Technology aemen.lodhi@gatech.edu Amogh Dhamdhere

More information

Routing and traffic measurements in ISP networks

Routing and traffic measurements in ISP networks Routing and traffic measurements in ISP networks Steve Uhlig Network Architectures and Services Delft University of Technology Email : S.P.W.G.Uhlig@ewi.tudelft.nl URL : http://www.nas.ewi.tudelft.nl/people/steve/

More information

Topological Trends of Internet Content Providers

Topological Trends of Internet Content Providers Topological Trends of Internet Content Providers Yuval Shavitt School of Electrical Engineering Tel-Aviv University, Israel Udi Weinsberg Technicolor Research Palo Alto ABSTRACT The Internet is constantly

More information

ECONOMIZING ISP INTERCONNECTIONS AT INTERNET EXCHANGE POINTS

ECONOMIZING ISP INTERCONNECTIONS AT INTERNET EXCHANGE POINTS 2006 Society for Design and Process Science ECONOMIZING ISP INTERCONNECTIONS AT INTERNET EXCHANGE POINTS Jörn Altmann TEMAP, Department of Industrial Engineering, School of Engineering, Seoul National

More information

How To Write A Network Protocol For A Cell Phone Network

How To Write A Network Protocol For A Cell Phone Network CURRICULUM VITAE OF BOUDOUR Ghalem LIG - Grenoble Institute of Technology 681, rue de la passerelle Domaine universitaire - BP 72-38402 Grenoble Phone: +33 6 25 61 69 43 E-mail: boudour_ghalem@yahoo.fr

More information

Analysis One Code Desc. Transaction Amount. Fiscal Period

Analysis One Code Desc. Transaction Amount. Fiscal Period Analysis One Code Desc Transaction Amount Fiscal Period 57.63 Oct-12 12.13 Oct-12-38.90 Oct-12-773.00 Oct-12-800.00 Oct-12-187.00 Oct-12-82.00 Oct-12-82.00 Oct-12-110.00 Oct-12-1115.25 Oct-12-71.00 Oct-12-41.00

More information

On the Eyeshots of BGP Vantage Points

On the Eyeshots of BGP Vantage Points On the Eyeshots of BGP Vantage Points Kai Chen, Chengchen Hu, Wenwen Zhang, Yan Chen, Bin Liu Northwestern University, Tsinghua University, University of Illinois at Chicago {kchen, ychen}@northwestern.edu,

More information

Measuring the Shared Fate of IGP Engineering and Interdomain Traffic

Measuring the Shared Fate of IGP Engineering and Interdomain Traffic Measuring the Shared Fate of IGP Engineering and Interdomain Traffic Sharad Agarwal Microsoft Research sagarwal@microsoft.com Antonio Nucci Narus, Inc. anucci@narus.com Supratik Bhattacharyya Sprint ATL

More information

Internet Traffic Measurement

Internet Traffic Measurement Internet Traffic Measurement Internet Traffic Measurement Network Monitor Placement Measurement Analysis Tools Measurement Result Reporting Probing Mechanism Vantage Points Edge vs Core Hardware vs Software

More information

Internet Infrastructure Security

Internet Infrastructure Security Internet Infrastructure Security Simon Fraser University Scott Wakelin 4/27/2004 1 Road Map Project Goals and Overview Project Status Network Infrastructure ISP Topology ISP Interconnection Routing Protocols

More information

Challenges in Inferring Internet Interdomain Congestion

Challenges in Inferring Internet Interdomain Congestion Challenges in Inferring Internet Interdomain Congestion Matthew Luckie mjl@caida.org Bradley Huffaker bradley@caida.org Amogh Dhamdhere amogh@caida.org kc claffy kc@caida.org David Clark MIT ddc@csail.mit.edu

More information

On the Impact of Route Monitor Selection

On the Impact of Route Monitor Selection On the Impact of Route Monitor Selection Ying Zhang Zheng Zhang Z. Morley Mao Y. Charlie Hu Bruce M. Maggs Univ. of Michigan Purdue Univ. Univ. of Michigan Purdue Univ. Carnegie Mellon and Akamai Tech.

More information

An AS-Level Study of Internet Path Delay Characteristics

An AS-Level Study of Internet Path Delay Characteristics An AS-Level Study of Internet Path Delay Characteristics Amgad Zeitoun Chen-Nee Chuah Supratik Bhattacharyya Christophe Diot University of Michigan, Ann Arbor University of California Davis Sprint ATL

More information

Border Gateway Protocols

Border Gateway Protocols Paper 106, ENG 104 Border Gateway Protocols Sadeta Krijestorac, Marc Beck, Jonathan Bagby Morehead State University University of Louisville Florida Atlanic University s.krijestor@moreheadstate.edu marcbeck1982@yahoo.com

More information

A Comparison of Syslog and IS-IS for Network Failure Analysis

A Comparison of Syslog and IS-IS for Network Failure Analysis A Comparison of Syslog and IS-IS for Network Failure Analysis Daniel Turner, Kirill Levchenko, Stefan Savage, and Alex C. Snoeren {djturner, klevchen, savage, snoeren}@cs.ucsd.edu Department of Computer

More information

DNS Measurements. Hua Huang CS8803 NTM

DNS Measurements. Hua Huang CS8803 NTM DNS Measurements Hua Huang CS8803 NTM Outline "DNS measurements at a root server Nevil Brownlee, Kimberly Claffy, and Evi Nemeth, Proceedings of the IEEE GlobeCom, San Antonio, TX, Nov. 2001 "DNS Performance

More information

Available Bandwidth Measurement of Campus Wide Optical Fiber Network using Packet Pair Technique: A Study of Himachal Pradesh University

Available Bandwidth Measurement of Campus Wide Optical Fiber Network using Packet Pair Technique: A Study of Himachal Pradesh University Available Bandwidth Measurement of Campus Wide Optical Fiber Network using Packet Pair Technique: A Study of Himachal Pradesh University Priyanka Dhiman Computer science department Himachal Pradesh University

More information

ISP and Egress Path Selection for Multihomed Networks

ISP and Egress Path Selection for Multihomed Networks ISP and Egress Path Selection for Multihomed Networks Amogh Dhamdhere, Constantine Dovrolis {amogh, dovrolis}@cc.gatech.edu Networking and Telecommunications Group Georgia Institute of Technology Abstract

More information

Measured Impact of Crooked Traceroute

Measured Impact of Crooked Traceroute Measured Impact of Crooked Traceroute Matthew Luckie Amogh Dhamdhere, kc claffy David Murrell Computer Science CAIDA Computer Science University of Waikato University of California, San Diego University

More information

Network Tomography and Internet Traffic Matrices

Network Tomography and Internet Traffic Matrices Network Tomography and Internet Traffic Matrices Matthew Roughan School of Mathematical Sciences 1 Credits David Donoho Stanford Nick Duffield AT&T Labs-Research Albert

More information

On Routing Asymmetry in the Internet

On Routing Asymmetry in the Internet On Routing Asymmetry in the Internet Yihua He Michalis Faloutsos Srikanth Krishnamurthy Bradley Huffaker yhe@cs.ucr.edu michalis@cs.ucr.edu krish@cs.ucr.edu bhuffake@caida.org Department of Computer Science

More information

PYTHIA: DETECTION, DIAGNOSIS, AND LOCALIZATION OF NETWORK PERFORMANCE PROBLEMS.

PYTHIA: DETECTION, DIAGNOSIS, AND LOCALIZATION OF NETWORK PERFORMANCE PROBLEMS. PYTHIA: DETECTION, DIAGNOSIS, AND LOCALIZATION OF NETWORK Page 1/8 PYTHIA: DETECTION, DIAGNOSIS, AND LOCALIZATION OF NETWORK Warren Matthews, Danny Lee, Partha Kanuparthy, and Constantine Dovrolis. The

More information

WEI CHEN. IT-enabled Innovation, Online Community, Open-Source Software, Startup Angel Funding, Interactive Marketing, SaaS Model

WEI CHEN. IT-enabled Innovation, Online Community, Open-Source Software, Startup Angel Funding, Interactive Marketing, SaaS Model WEI CHEN Rady School of Management University of California, San Diego 9500 Gilman Drive, MC 0553 La Jolla, CA 92093-0553 +1(858)337-5951 +1(858)534-0862 wei.chen@rady.ucsd.edu www.mrweichen.info RESEARCH

More information

Internet Mapping: from Art to Science

Internet Mapping: from Art to Science Internet Mapping: from Art to Science Kimberly Claffy Young Hyun Ken Keys Marina Fomenkov Dmitri Krioukov Cooperative Association for Internet Data Analysis, San Diego Supercomputer Center, University

More information

Mahesh Srinivasan. Assistant Professor of Psychology and Cognitive Science University of California, Berkeley

Mahesh Srinivasan. Assistant Professor of Psychology and Cognitive Science University of California, Berkeley Department of Psychology University of California, Berkeley Tolman Hall, Rm. 3315 Berkeley, CA 94720 Phone: (650) 823-9488; Email: srinivasan@berkeley.edu http://ladlab.ucsd.edu/srinivasan.html Education

More information

KNOM Tutorial 2003. Internet Traffic Measurement and Analysis. Sue Bok Moon Dept. of Computer Science

KNOM Tutorial 2003. Internet Traffic Measurement and Analysis. Sue Bok Moon Dept. of Computer Science KNOM Tutorial 2003 Internet Traffic Measurement and Analysis Sue Bok Moon Dept. of Computer Science Overview Definition of Traffic Matrix 4Traffic demand, delay, loss Applications of Traffic Matrix 4Engineering,

More information

Inter-domain Routing. Outline. Border Gateway Protocol

Inter-domain Routing. Outline. Border Gateway Protocol Inter-domain Routing Outline Border Gateway Protocol Internet Structure Original idea Backbone service provider Consumer ISP Large corporation Consumer ISP Small corporation Consumer ISP Consumer ISP Small

More information

Mario A. Sánchez. M.S. Computer Science, Northwestern University, June 2011. M.S. Telecommunications, University of Maryland at College Park, May 2004

Mario A. Sánchez. M.S. Computer Science, Northwestern University, June 2011. M.S. Telecommunications, University of Maryland at College Park, May 2004 HP Labs 1501 Page Mill Road Palo Alto, CA 94304 Voice: (650) 258-4785 mario.ant.sanchez@hp.com http://www.mario-a-sanchez.com Research interests Education My research focuses on experimental computer systems

More information

Enhanced Multiple Routing Configurations For Fast IP Network Recovery From Multiple Failures

Enhanced Multiple Routing Configurations For Fast IP Network Recovery From Multiple Failures Enhanced Multiple Routing Configurations For Fast IP Network Recovery From Multiple Failures T. Anji Kumar anji5678@gmail.com Dept. of IT/ UCEV JNTUK Vizianagaram, 535003, India Dr MHM Krishna Prasad Dept.

More information

ABSTRACT 1.1 MEASUREMENT APPROACHES 1. INTRODUCTION 2. OCXMON/CORAL PASSIVE MONITORING OF INTERNET TRAFFIC AT SUPERCOMPUTING 98

ABSTRACT 1.1 MEASUREMENT APPROACHES 1. INTRODUCTION 2. OCXMON/CORAL PASSIVE MONITORING OF INTERNET TRAFFIC AT SUPERCOMPUTING 98 PASSIVE MONITORING OF INTERNET TRAFFIC AT SUPERCOMPUTING 98 Brynjar Åge Viken e mail: brynjar@item.ntnu.no, bviken@nlanr.net National Laboratory for Applied Network Research, Measurement and Operations

More information

On the Impact of Route Monitor Selection

On the Impact of Route Monitor Selection On the Impact of Route Monitor Selection Ying Zhang Zheng Zhang Z. Morley Mao Y. Charlie Hu Bruce Maggs Univ. of Michigan Purdue Univ. Univ. of Michigan Purdue Univ. CMU Paper ID: E-578473438 Number of

More information

BE Degree with Distinction From Lebanese American University Honor Society at the Lebanese American University (2004-2008)

BE Degree with Distinction From Lebanese American University Honor Society at the Lebanese American University (2004-2008) Georges EL-HOWAYEK Valparaiso University Electrical and Computer Engineering Building, Room 223 Valparaiso, IN 46383, USA georges.el-howayek@valpo.edu http://www.unm.edu/~ghowayek/ RESEARCH INTERESTS Communication

More information

Research on Errors of Utilized Bandwidth Measured by NetFlow

Research on Errors of Utilized Bandwidth Measured by NetFlow Research on s of Utilized Bandwidth Measured by NetFlow Haiting Zhu 1, Xiaoguo Zhang 1,2, Wei Ding 1 1 School of Computer Science and Engineering, Southeast University, Nanjing 211189, China 2 Electronic

More information

BGP route propagation. Internet AS relationships, Routing policy on Internet paths. Example of commercial relationship. Transit vs.

BGP route propagation. Internet AS relationships, Routing policy on Internet paths. Example of commercial relationship. Transit vs. BGP route propagation Internet AS relationships, Routing policy on Internet paths Z. Morley Mao Lecture 5 Jan 20, 2005 Connectivity does not imply reachability Not all possible routes propagate Commercial

More information

Characterizing and Modelling Clustering Features in AS-Level Internet Topology

Characterizing and Modelling Clustering Features in AS-Level Internet Topology Characterizing and Modelling Clustering Features in AS-Level Topology Yan Li, Jun-Hong Cui, Dario Maggiorini and Michalis Faloutsos yan.li@uconn.edu, jcui@engr.uconn.edu, dario@dico.unimi.it, michalis@cs.ucr.edu

More information

SWASTIK K. BRAHMA PROFESSIONAL EXPERIENCE

SWASTIK K. BRAHMA PROFESSIONAL EXPERIENCE SWASTIK K. BRAHMA Electrical Engineering & Computer Science Syracuse University Syracuse, NY 13244 Tel: (505) 948-1288 Email: skbrahma@syr.edu Web: http://skbrahma.mysite.syr.edu/ PROFESSIONAL EXPERIENCE

More information

How To Make A Network Plan Based On Bg, Qos, And Autonomous System (As)

How To Make A Network Plan Based On Bg, Qos, And Autonomous System (As) Policy Based QoS support using BGP Routing Priyadarsi Nanda and Andrew James Simmonds Department of Computer Systems Faculty of Information Technology University of Technology, Sydney Broadway, NSW Australia

More information

Prof. Xenofontas Dimitropoulos

Prof. Xenofontas Dimitropoulos Prof. Xenofontas Dimitropoulos xdimi@ics.forth.gr Updated: Feb 2014 Education 8/2002 7/2006 PhD, Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta. GPA: 3.92/4, Advisor: George

More information

Characterization and Design of Effective BGP AS-PATH Prepending

Characterization and Design of Effective BGP AS-PATH Prepending Characterization and Design of Effective BGP AS-PATH Prepending Ying Zhang, Mallik Tatipamula Ericsson Research Abstract The AS path prepending approach in BGP is commonly used to perform inter-domain

More information

An Active Approach to Measuring Routing Dynamics Induced by Autonomous Systems

An Active Approach to Measuring Routing Dynamics Induced by Autonomous Systems An Active Approach to Measuring Routing Dynamics Induced by Autonomous Systems Samantha Lo Rocky K. C. Chang Lorenzo Colitti Department of Computing Department of Computing Google Inc. The Hong Kong The

More information

The Shape of the Network. The Shape of the Internet. Why study topology? Internet topologies. Early work. More on topologies..

The Shape of the Network. The Shape of the Internet. Why study topology? Internet topologies. Early work. More on topologies.. The Shape of the Internet Slides assembled by Jeff Chase Duke University (thanks to and ) The Shape of the Network Characterizing shape : AS-level topology: who connects to whom Router-level topology:

More information

Emulation Platform for Network Wide Traffic Sampling and Monitoring

Emulation Platform for Network Wide Traffic Sampling and Monitoring Emulation Platform for Network Wide Traffic Sampling and Monitoring Amir Krifa, Imed Lassoued, Chadi Barakat To cite this version: Amir Krifa, Imed Lassoued, Chadi Barakat. Emulation Platform for Network

More information

A Network Recovery Scheme for Node or Link Failures using Multiple Routing Configurations

A Network Recovery Scheme for Node or Link Failures using Multiple Routing Configurations A Network Recovery Scheme for Node or Link Failures using Multiple Routing Configurations Suresh Babu Panatula Department of Computer Science and Engineering Sri Sai Aditya Institute of Science and Technology,

More information

Evaluation of a Large-Scale Topology Discovery Algorithm

Evaluation of a Large-Scale Topology Discovery Algorithm Evaluation of a Large-Scale Topology Discovery Algorithm Benoit Donnet 12, Bradley Huffaker 2, Timur Friedman 1, and kc claffy 2 1 Université Pierre & Marie Curie Laboratoire LiP6/CNRS, UMR 7606, France

More information

Center for Mathematics and Computational Science (CWI) Phone: (+31)20-592-4135

Center for Mathematics and Computational Science (CWI) Phone: (+31)20-592-4135 Peter van de Ven Center for Mathematics and Computational Science (CWI) Phone: (+31)20-592-4135 Stochastics department Amsterdam, The Netherlands 2014-present Research interests ven@cwi.nl Applied probability;

More information

Chapter I1. Monitoring, Management And Configuration Of Networks And Networking Devices

Chapter I1. Monitoring, Management And Configuration Of Networks And Networking Devices Chapter I1 Monitoring, Management And Configuration Of Networks And Networking Devices A Critical View Of The Sensitivity Of Transit ASS To Internal Failures Steve Uhlig* and SCbastien Tandel*" Computing

More information

F CUS your recruitment dollars on top scientists and engineers.

F CUS your recruitment dollars on top scientists and engineers. F CUS your recruitment dollars on top scientists and engineers. PHYSICS TODAY Recruitment Products and Rates 2016 WHY PHYSICISTS? Physicists, as well as scientists and engineers with training in first

More information

Network traffic engineering

Network traffic engineering Toolbox, hybrid IP/MPLS optimisation method and fairness Research Unit in Networking EECS Department University of Liège 13 September 005 Outline 1 3 4 5 Outline MPLS principles 1 MPLS principles 3 4 5

More information

Giulia Cereda. Mathematical Institute, Leiden University, Master thesis research project

Giulia Cereda. Mathematical Institute, Leiden University, Master thesis research project Giulia Cereda Personal Information Place and Date of Birth: Milano (Italy), April, 7 th 1988 Citizenship: Italian Current address: Av. de la Chabliere 21, 1004, Lausanne, Swizerland email: giulia.cereda@unil.ch

More information

Evolution of the Internet AS-Level Ecosystem

Evolution of the Internet AS-Level Ecosystem Evolution of the Internet AS-Level Ecosystem Srinivas Shakkottai, Marina Fomenkov 2, Ryan Koga 2, Dmitri Krioukov 2, and kc claffy 2 Texas A&M University, College Station, USA, sshakkot@tamu.edu, 2 Cooperative

More information

Title: Scalable, Extensible, and Safe Monitoring of GENI Clusters Project Number: 1723

Title: Scalable, Extensible, and Safe Monitoring of GENI Clusters Project Number: 1723 Title: Scalable, Extensible, and Safe Monitoring of GENI Clusters Project Number: 1723 Authors: Sonia Fahmy, Department of Computer Science, Purdue University Address: 305 N. University St., West Lafayette,

More information

Understanding BGP Next-hop Diversity

Understanding BGP Next-hop Diversity This paper was presented as part of the 14th IEEE Global Internet Symposium (GI) 211 at IEEE INFOCOM 211 Understanding BGP Next-hop Diversity Jaeyoung Choi, Jong Han Park, Pei-chun Cheng, Dorian Kim, Lixia

More information

Curriculum Vitae Beyza Çalışkan Aslan

Curriculum Vitae Beyza Çalışkan Aslan Curriculum Vitae Beyza Çalışkan Aslan Department of Mathematics & Statistics, University of North Florida 1 UNF Drive, Building 14/2731, Jacksonville, FL 32224 Phone: (904) 620-3713 Fax: (904) 620-2818

More information

COMPARISON OF FIXED & VARIABLE RATES (25 YEARS) CHARTERED BANK ADMINISTERED INTEREST RATES - PRIME BUSINESS*

COMPARISON OF FIXED & VARIABLE RATES (25 YEARS) CHARTERED BANK ADMINISTERED INTEREST RATES - PRIME BUSINESS* COMPARISON OF FIXED & VARIABLE RATES (25 YEARS) 2 Fixed Rates Variable Rates FIXED RATES OF THE PAST 25 YEARS AVERAGE RESIDENTIAL MORTGAGE LENDING RATE - 5 YEAR* (Per cent) Year Jan Feb Mar Apr May Jun

More information

COMPARISON OF FIXED & VARIABLE RATES (25 YEARS) CHARTERED BANK ADMINISTERED INTEREST RATES - PRIME BUSINESS*

COMPARISON OF FIXED & VARIABLE RATES (25 YEARS) CHARTERED BANK ADMINISTERED INTEREST RATES - PRIME BUSINESS* COMPARISON OF FIXED & VARIABLE RATES (25 YEARS) 2 Fixed Rates Variable Rates FIXED RATES OF THE PAST 25 YEARS AVERAGE RESIDENTIAL MORTGAGE LENDING RATE - 5 YEAR* (Per cent) Year Jan Feb Mar Apr May Jun

More information

Bandwidth Measurement in Wireless Networks

Bandwidth Measurement in Wireless Networks Bandwidth Measurement in Wireless Networks Andreas Johnsson, Bob Melander, and Mats Björkman {andreas.johnsson, bob.melander, mats.bjorkman}@mdh.se The Department of Computer Science and Engineering Mälardalen

More information

Traceroute-Based Topology Inference without Network Coordinate Estimation

Traceroute-Based Topology Inference without Network Coordinate Estimation Traceroute-Based Topology Inference without Network Coordinate Estimation Xing Jin, Wanqing Tu Department of Computer Science and Engineering The Hong Kong University of Science and Technology Clear Water

More information

Victoria Kostina Curriculum Vitae - September 6, 2015 Page 1 of 5. Victoria Kostina

Victoria Kostina Curriculum Vitae - September 6, 2015 Page 1 of 5. Victoria Kostina Victoria Kostina Curriculum Vitae - September 6, 2015 Page 1 of 5 Victoria Kostina Department of Electrical Engineering www.caltech.edu/~vkostina California Institute of Technology, CA 91125 vkostina@caltech.edu

More information

Facility Usage Scenarios

Facility Usage Scenarios Facility Usage Scenarios GDD-06-41 GENI: Global Environment for Network Innovations December 22, 2006 Status: Draft (Version 0.1) Note to the reader: this document is a work in progress and continues to

More information

Towards Modelling The Internet Topology The Interactive Growth Model

Towards Modelling The Internet Topology The Interactive Growth Model Towards Modelling The Internet Topology The Interactive Growth Model Shi Zhou (member of IEEE & IEE) Department of Electronic Engineering Queen Mary, University of London Mile End Road, London, E1 4NS

More information

Evaluating Potential Routing Diversity for Internet Failure Recovery

Evaluating Potential Routing Diversity for Internet Failure Recovery Evaluating Potential Routing Diversity for Internet Failure Recovery Chengchen Hu,2, Kai Chen 3, Yan Chen 3, Bin Liu CST Department, Tsinghua University, {huc, liub}@tsinghua.edu.cn 2 SKLNST, Beijing University

More information

A Study on Traceroute Potentiality in Revealing the Internet AS-level Topology

A Study on Traceroute Potentiality in Revealing the Internet AS-level Topology A Study on Traceroute Potentiality in Revealing the Internet AS-level Topology Adriano Faggiani, Enrico Gregori, Alessandro Improta, Luciano Lenzini, Valerio Luconi, Luca Sani Information Engineering Department,

More information

Forensics Tracking for IP Spoofers Using Path Backscatter Messages

Forensics Tracking for IP Spoofers Using Path Backscatter Messages Forensics Tracking for IP Spoofers Using Path Backscatter Messages Mithun Dev P D 1, Anju Augustine 2 1, 2 Department of Computer Science and Engineering, KMP College of Engineering, Asamannoor P.O Poomala,

More information

Multihoming and Multi-path Routing. CS 7260 Nick Feamster January 29. 2007

Multihoming and Multi-path Routing. CS 7260 Nick Feamster January 29. 2007 Multihoming and Multi-path Routing CS 7260 Nick Feamster January 29. 2007 Today s Topic IP-Based Multihoming What is it? What problem is it solving? (Why multihome?) How is it implemented today (in IP)?

More information

The Ecosystem of Computer Networks. Ripe 46 Amsterdam, The Netherlands

The Ecosystem of Computer Networks. Ripe 46 Amsterdam, The Netherlands The Ecosystem of Computer Networks Ripe 46 Amsterdam, The Netherlands Silvia Veronese NetworkPhysics.com Sveronese@networkphysics.com September 2003 1 Agenda Today s IT challenges Introduction to Network

More information

Opnet Based simulation for route redistribution in EIGRP, BGP and OSPF network protocols

Opnet Based simulation for route redistribution in EIGRP, BGP and OSPF network protocols IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) e-issn: 2278-2834,p- ISSN: 2278-8735.Volume 9, Issue 1, Ver. IV (Jan. 2014), PP 47-52 Opnet Based simulation for route redistribution

More information

Overview of Network Measurement Tools

Overview of Network Measurement Tools Overview of Network Measurement Tools Jon M. Dugan Energy Sciences Network Lawrence Berkeley National Laboratory NANOG 43, Brooklyn, NY June 1, 2008 Networking for the Future of Science

More information

Page 1. Outline EEC 274 Internet Measurements & Analysis. Traffic Measurements. Motivations. Applications

Page 1. Outline EEC 274 Internet Measurements & Analysis. Traffic Measurements. Motivations. Applications Outline EEC 274 Internet Measurements & Analysis Spring Quarter, 2006 Traffic Measurements Traffic measurements What metrics are we interested in? Measurement and analysis methodologies Traffic characterization

More information

BONG-SOO SOHN RESEARCH INTERESTS

BONG-SOO SOHN RESEARCH INTERESTS BONG-SOO SOHN Associate Professor School of Computer Science and Engineering Chung-Ang University 221 Heukseok Dong, Dongjak-Gu Seoul 156-756, South Korea Phone: +82-2-820-5843 (Office), +82-10-8971-0687

More information

Enabling Flow-level Latency Measurements across Routers in Data Centers

Enabling Flow-level Latency Measurements across Routers in Data Centers Enabling Flow-level Latency Measurements across Routers in Data Centers Parmjeet Singh, Myungjin Lee, Sagar Kumar, Ramana Rao Kompella Purdue University Abstract Detecting and localizing latency-related

More information

Multi-Commodity Flow Traffic Engineering with Hybrid MPLS/OSPF Routing

Multi-Commodity Flow Traffic Engineering with Hybrid MPLS/OSPF Routing Multi-Commodity Flow Traffic Engineering with Hybrid MPLS/ Routing Mingui Zhang Tsinghua University Beijing, China mingui.zhang@gmail.com Bin Liu Tsinghua University Beijing, China liub@tsinghua.edu.cn

More information

Ten Fallacies and Pitfalls on End-to-End Available Bandwidth Estimation

Ten Fallacies and Pitfalls on End-to-End Available Bandwidth Estimation Ten Fallacies and Pitfalls on End-to-End Available Bandwidth Estimation Manish Jain Georgia Tech jain@cc.gatech.edu Constantinos Dovrolis Georgia Tech dovrolis@cc.gatech.edu ABSTRACT The area of available

More information

Subnet Level Network Topology Mapping

Subnet Level Network Topology Mapping Subnet Level Network Topology Mapping M. Engin Tozal, Student Member, IEEE, Kamil Sarac, Member, IEEE, Department of Computer Science, University of Texas at Dallas, TX 75080 U.S.A. {engintozal, ksarac}@utdallas.edu

More information

2008 2010 NSERC Alexander Graham Bell Canada Graduate Scholarship, Funding from the Canadian federal government to support graduate studies.

2008 2010 NSERC Alexander Graham Bell Canada Graduate Scholarship, Funding from the Canadian federal government to support graduate studies. Nikolai Matni, MC 305-16 (626) 787-5914 nmatni@caltech.edu http://www.cds.caltech.edu/ nmatni Education 2010 2015 Ph.D. in Control and Dynamical Systems,, Pasadena, CA. Thesis: Distributed Optimal Control

More information