37 Roughan PPTs View free & download

SNMP Simple Network Measurements Please! Matthew Roughan ( many others) <roughan@research.att.com> PowerPoint PPT Presentation

SNMP Simple Network Measurements Please! Matthew Roughan ( many others) <roughan@research.att.com> - Part III: Modeling Putting time series ... you need to see results BGP Event detection Operations are fire-fighters Don t care about ... Flash crowds ...

Part III: Modeling Putting time series ... you need to see results BGP Event detection Operations are fire-fighters Don t care about ... Flash crowds ...

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Hung X. Nguyen and Matthew Roughan PowerPoint PPT Presentation

Hung X. Nguyen and Matthew Roughan - SAIL: Statistically Accurate Internet Loss Measurements Hung X. Nguyen and Matthew Roughan The University of Adelaide, Australia Internet Loss Measurement Network ...

SAIL: Statistically Accurate Internet Loss Measurements Hung X. Nguyen and Matthew Roughan The University of Adelaide, Australia Internet Loss Measurement Network ...

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An InformationTheoretic Approach to Traffic Matrix Estimation Yin Zhang, Matthew Roughan, Carsten Lu PowerPoint PPT Presentation

An InformationTheoretic Approach to Traffic Matrix Estimation Yin Zhang, Matthew Roughan, Carsten Lu - AT&T Labs - Research. An Information-Theoretic Approach to Traffic Matrix Estimation ... Erroneous link data. Erroneous routing data. Dependence on network topology ...

AT&T Labs - Research. An Information-Theoretic Approach to Traffic Matrix Estimation ... Erroneous link data. Erroneous routing data. Dependence on network topology ...

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Tomo-gravity PowerPoint PPT Presentation

Tomo-gravity - Tomo-gravity Matthew Roughan Yin Zhang Albert Greenberg Nick Duffield A Northern NJ Research Lab {yzhang,roughan,duffield,albert}@research.att.com

Tomo-gravity Matthew Roughan Yin Zhang Albert Greenberg Nick Duffield A Northern NJ Research Lab {yzhang,roughan,duffield,albert}@research.att.com

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Ongoing work on Multiresolution Analysis of Traffic Matrices PowerPoint PPT Presentation

Ongoing work on Multiresolution Analysis of Traffic Matrices - Direct inspection. Netflow-like solutions ... Time-based operators. D. Rinc n, M. Roughan, Ongoing work on MRA of Traffic Matrices ...

Direct inspection. Netflow-like solutions ... Time-based operators. D. Rinc n, M. Roughan, Ongoing work on MRA of Traffic Matrices ...

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Internet Measurement and some inference PowerPoint PPT Presentation

Internet Measurement and some inference - Slides adapted from Paul Barford (UWisconsin), Matt Roughan (U Adelaide) ... Understanding self-similarity/multi-fractal traffic. Control: managing the network ...

Slides adapted from Paul Barford (UWisconsin), Matt Roughan (U Adelaide) ... Understanding self-similarity/multi-fractal traffic. Control: managing the network ...

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Practical Searches for Stability in iBGP PowerPoint PPT Presentation

Practical Searches for Stability in iBGP - Ashley Flavel Matthew Roughan Nigel Bean Aman Shaikh. Practical ... iBGP is overlaid on physical topology. iBGP used to determine route to external destination ...

Ashley Flavel Matthew Roughan Nigel Bean Aman Shaikh. Practical ... iBGP is overlaid on physical topology. iBGP used to determine route to external destination ...

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Business Services Operations Team Structure PowerPoint PPT Presentation

Business Services Operations Team Structure - Bursaries. Manager: Mary Bryce. Team Leader : Lesley Deeley. Nan Roughan. Gary MacAllister ... HEI Helpline Telephone Number : 0845 702 3316. Support Team. LA ...

Bursaries. Manager: Mary Bryce. Team Leader : Lesley Deeley. Nan Roughan. Gary MacAllister ... HEI Helpline Telephone Number : 0845 702 3316. Support Team. LA ...

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Tomo-gravity - 'A Northern NJ Research Lab' {yzhang,roughan,duffield,albert}@research.att.com. Albert Greenberg ... Can we do route optimization (or network engineering in general) ...

'A Northern NJ Research Lab' {yzhang,roughan,duffield,albert}@research.att.com. Albert Greenberg ... Can we do route optimization (or network engineering in general) ...

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On a New Internet Traffic Matrix (Completion) Problem PowerPoint PPT Presentation

On a New Internet Traffic Matrix (Completion) Problem - On a New Internet Traffic Matrix (Completion) Problem Walter Willinger AT&T Labs Research

On a New Internet Traffic Matrix (Completion) Problem Walter Willinger AT&T Labs Research

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Mathematics for Networks Workshop PowerPoint PPT Presentation

Mathematics for Networks Workshop - Computer Laboratory School of Mathematical Sciences ... rrc10.ripe.net at Milan, Italy. Collects route updates announced by the MIX members. ...

Computer Laboratory School of Mathematical Sciences ... rrc10.ripe.net at Milan, Italy. Collects route updates announced by the MIX members. ...

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SNMP - Simple Network Measurements Please! PowerPoint PPT Presentation

SNMP - Simple Network Measurements Please! - An Information-Theoretic Approach to Traffic Matrix Estimation ... Seismology. Astronomy. Statistical intuition = Regularization. Penalty function J(x) ...

An Information-Theoretic Approach to Traffic Matrix Estimation ... Seismology. Astronomy. Statistical intuition = Regularization. Penalty function J(x) ...

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Spatio-Temporal Compressive Sensing PowerPoint PPT Presentation

Spatio-Temporal Compressive Sensing - University of Adelaide. Yin Zhang. The University of Texas at Austin. yzhang@cs.utexas.edu ... Uses the first truly spatio-temporal model of TMs ...

University of Adelaide. Yin Zhang. The University of Texas at Austin. yzhang@cs.utexas.edu ... Uses the first truly spatio-temporal model of TMs ...

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Network Anomography PowerPoint PPT Presentation

Network Anomography - A B C OD flow I-b Courtesy: Anukool Lakhina [Lakhina04] OD flow I-b Link c-b Link d-c Link f-d Link l-f Fri Sat Sun bt = At xt (t=1, ...

A B C OD flow I-b Courtesy: Anukool Lakhina [Lakhina04] OD flow I-b Link c-b Link d-c Link f-d Link l-f Fri Sat Sun bt = At xt (t=1, ...

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(Network%20Security) PowerPoint PPT Presentation

(Network%20Security) - The name and the address of hosts and network devices. The opened services. ... Before this paper: ... Denial of Service (DDoS) Network Invasion Network ...

The name and the address of hosts and network devices. The opened services. ... Before this paper: ... Denial of Service (DDoS) Network Invasion Network ...

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Analgesia - We cannot prove they do not perceive pain ... Infiltrate in wound area using needle and syringe. Regional nerve blocks. farm animal species ...

We cannot prove they do not perceive pain ... Infiltrate in wound area using needle and syringe. Regional nerve blocks. farm animal species ...

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MA DG Collaborative PowerPoint PPT Presentation

MA DG Collaborative - Year 1 report 5/31/05. New interconnection process is working well ... QFs under PURPA. Which policy can they use? Year 1 report 5/31/05. DG and Distribution Planning ...

Year 1 report 5/31/05. New interconnection process is working well ... QFs under PURPA. Which policy can they use? Year 1 report 5/31/05. DG and Distribution Planning ...

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Analyzing Peer-to-Peer Traffic Across Large Networks PowerPoint PPT Presentation

Analyzing Peer-to-Peer Traffic Across Large Networks - Analyzing Peer-to-Peer Traffic Across Large Networks. Jia Wang. Joint work ... FastTrack:1214 (including Morpheus) Gnutella:6346/6347. DirectConnect:411/412 ...

Analyzing Peer-to-Peer Traffic Across Large Networks. Jia Wang. Joint work ... FastTrack:1214 (including Morpheus) Gnutella:6346/6347. DirectConnect:411/412 ...

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Traffic Matrix Estimation for Traffic Engineering PowerPoint PPT Presentation

Traffic Matrix Estimation for Traffic Engineering - Tomographic Estimation: Initial solution is refined by applying quadratic ... Tomography. Solution should be consistent with the link counts. ...

Tomographic Estimation: Initial solution is refined by applying quadratic ... Tomography. Solution should be consistent with the link counts. ...

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Fast TCP Doesn’t Matter to ISPs (What Am I Missing?) PowerPoint PPT Presentation

Fast TCP Doesn’t Matter to ISPs (What Am I Missing?) - ... robust download protocols have potential to help video-on-demand services in IPTV framework What would the impact be on network engineering? * Backbone ...

... robust download protocols have potential to help video-on-demand services in IPTV framework What would the impact be on network engineering? * Backbone ...

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A walk through the Marinetti Open Source Project PowerPoint PPT Presentation

A walk through the Marinetti Open Source Project - True/False: The only source code in MOSP CVS is for the Merlin assembler? ... Richard's Merlin utilities. 800k RAM disk named RAM5' Moving Source between CVS ...

True/False: The only source code in MOSP CVS is for the Merlin assembler? ... Richard's Merlin utilities. 800k RAM disk named RAM5' Moving Source between CVS ...

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Traffic Engineering for ISP Networks PowerPoint PPT Presentation

Traffic Engineering for ISP Networks - Title: WorldNet Data Warehouse Albert Greenberg albert@research.att.com http://www.research.att.com/~albert/talks/IF-June98.html Author: Albert Greenberg

Title: WorldNet Data Warehouse Albert Greenberg albert@research.att.com http://www.research.att.com/~albert/talks/IF-June98.html Author: Albert Greenberg

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Building an AStopology model that captures route diversity PowerPoint PPT Presentation

Building an AStopology model that captures route diversity - Only observable paths give us usable information. about the AS-level topology and potential routing policies ... We used more than 400 observation points ...

Only observable paths give us usable information. about the AS-level topology and potential routing policies ... We used more than 400 observation points ...

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A Case-study of OSPF Behavior in a Large Enterprise Network PowerPoint PPT Presentation

A Case-study of OSPF Behavior in a Large Enterprise Network - An internal network change (OSPF event) can have major impact on services, flows ... Expectations for IP network management are higher ...

An internal network change (OSPF event) can have major impact on services, flows ... Expectations for IP network management are higher ...

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Analyzing PeertoPeer Traffic Across Large Networks - Volume heavy hitters tend to have long on-times ... Top 0.01% prefixes. Top 1% prefixes. P2P traffic contributed by the top heavy hitter prefixes ...

Volume heavy hitters tend to have long on-times ... Top 0.01% prefixes. Top 1% prefixes. P2P traffic contributed by the top heavy hitter prefixes ...

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DR and Utility Planning PowerPoint PPT Presentation

DR and Utility Planning - Looking at potential deferral of a $1.2 million upgrade at ... Niagara ... the Merger Rate Plan required Niagara Mohawk to identify two projects and ...

Looking at potential deferral of a $1.2 million upgrade at ... Niagara ... the Merger Rate Plan required Niagara Mohawk to identify two projects and ...

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Investigating the Mutual Impact of the P2P Overlay and the AS-level Underlay PowerPoint PPT Presentation

Investigating the Mutual Impact of the P2P Overlay and the AS-level Underlay - Investigating the Mutual Impact of the P2P Overlay and the AS-level Underlay Committee: Prof. Reza Rejaie (Chair) Prof. Virginia Lo Prof. Arthur Farley

Investigating the Mutual Impact of the P2P Overlay and the AS-level Underlay Committee: Prof. Reza Rejaie (Chair) Prof. Virginia Lo Prof. Arthur Farley

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Traffic Engineering for ISP Networks - Incorporating various operational constraints. Other ways of measuring the traffic matrix ... Incorporating hot-potato routing. Combine traffic across egress ...

Incorporating various operational constraints. Other ways of measuring the traffic matrix ... Incorporating hot-potato routing. Combine traffic across egress ...

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DARRYL VEITCH PowerPoint PPT Presentation

DARRYL VEITCH - ACCESSING TEMPORAL PARAMETERS: GENERAL PROPERTIES. 7. JOINT PASSAGE PROBABILITIES ... Estimators for temporal loss parameters, in addition to loss rates ...

ACCESSING TEMPORAL PARAMETERS: GENERAL PROPERTIES. 7. JOINT PASSAGE PROBABILITIES ... Estimators for temporal loss parameters, in addition to loss rates ...

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Traffic Monitoring and Application Classification: A Novel Approach - Traffic Monitoring and Application Classification: A Novel Approach

Traffic Monitoring and Application Classification: A Novel Approach

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DataDriven Network Analysis: Do You Really Know Your Data PowerPoint PPT Presentation

DataDriven Network Analysis: Do You Really Know Your Data - Engineering hack. Example of what we can measure, not what we want to measure! ... Engineering hack not designed to obtain connectivity information ...

Engineering hack. Example of what we can measure, not what we want to measure! ... Engineering hack not designed to obtain connectivity information ...

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Building an AStopology model that captures route diversity - Steve Uhlig. Universit catholique de Louvain. Agenda. Background ... aspects of the macroscopic reality of the Internet. Why ... observed in reality. Pot. ...

Steve Uhlig. Universit catholique de Louvain. Agenda. Background ... aspects of the macroscopic reality of the Internet. Why ... observed in reality. Pot. ...

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Opportunities and Incentives for CHP in Massachusetts PowerPoint PPT Presentation

Opportunities and Incentives for CHP in Massachusetts - This process is used by the four investor owned utilities (IOU) in Massachusetts (NSTAR, National Grid, Unitil and Western Mass Electric) ...

This process is used by the four investor owned utilities (IOU) in Massachusetts (NSTAR, National Grid, Unitil and Western Mass Electric) ...

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Coastal TT - Influence of coastal ocean processes felt far beyond shelf break, overlaps ... MOTE laboratory (R. Hueter): fisheries research (user) ...

Influence of coastal ocean processes felt far beyond shelf break, overlaps ... MOTE laboratory (R. Hueter): fisheries research (user) ...

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School Choice and Other Mainstream Policies Presentation to Young Nationals Conference 2005 Wellingt PowerPoint PPT Presentation

School Choice and Other Mainstream Policies Presentation to Young Nationals Conference 2005 Wellingt - ... issues, newspaper articles, books, reports, submissions to government, media releases, etc. ... Bi-partisan political support. ... Reform not party political. ...

... issues, newspaper articles, books, reports, submissions to government, media releases, etc. ... Bi-partisan political support. ... Reform not party political. ...

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Data Quality and Data Cleaning: An Overview - Data Quality and Data Cleaning: An Overview Tamraparni Dasu Theodore Johnson {tamr,johnsont}@research.att.com AT&T Labs - Research Acknowledgements We would like to ...

Data Quality and Data Cleaning: An Overview Tamraparni Dasu Theodore Johnson {tamr,johnsont}@research.att.com AT&T Labs - Research Acknowledgements We would like to ...

SHELLFISH GROWING AREAS SURVEILLANCE TRAINING 2006 - 3 Harvest Control Plans, Design & Implementation. 4 Cooperation With Other Agencies ... PLACE: includes any building, conveyance, craft, fishing vessel, or structure; ...

3 Harvest Control Plans, Design & Implementation. 4 Cooperation With Other Agencies ... PLACE: includes any building, conveyance, craft, fishing vessel, or structure; ...

Roughan PowerPoint PPT Presentations