9/8/2015 CSC426 1 Network Research at CDM James Yu, Ph.D. Associate Professor School of Computing

Slides:



Advertisements
Similar presentations
The leader in session border control for trusted, first class interactive communications.
Advertisements

Integrated Management for the Next Generation Network
1 Introducing the Specifications of the Metro Ethernet Forum.
Thema: Menü Ansicht, Master, Folien-Master 1 ITU - IP Telephony Workshop June Standards for IP-telephony P.A.Probst, External Relations Swisscom.
CAUSES & CURE OF LATENCY IN THE INTERNET TELEPHONY DR. OLUMIDE SUNDAY ADEWALE Dept of Industrial Math & Computer Science Federal University of Technology.
Open Standards: Communications at Your Desktop SmartCity Summit, April 29 th, 2003 Anne L. Coulombe Head of SIP-Based Solutions, Mitel Networks
TANDBERG Video Communication Server March TANDBERG Video Communication Server Background  SIP is the future protocol of video communication and.
Nicolas FISCHBACH Senior Manager, IP Engineering/Security - COLT Telecom - version 1.0 Voice over IP (VoIP)
IP Communications Services Redefining Communications Teresa Hastings Director WorldCom SIP Services Conference – April 18-20, 2001.
Chapter 13 Network Design and Management
04/07/06 DePaul University - Teaching and Technology Conference Remote Networking Labs for Hands-on Exercises James Yu, Ph.D. Scholl of CTI DePaul University.
This work is supported by the National Science Foundation under Grant Number DUE Any opinions, findings and conclusions or recommendations expressed.
1 © 2006 Cisco Systems, Inc. All rights reserved. MS Network Symposium6 Thoughts on the MS Network Research Workshop Fred Baker.
Voice over Internet Protocol (VoIP) Training and Development.
© 2009 Cisco Systems, Inc. All rights reserved. ROUTE v1.0—1-1 Planning Routing Services Assessing Complex Enterprise Network Requirements.
Fall Forum -- Keystone, Colorado USA -- November, 1999.
Network Topology. Cisco 2921 Integrated Services Router Security Embedded hardware-accelerated VPN encryption Secure collaborative communications with.
How Smart Is Your Gateway? Lior Moyal – Director, Product Marketing AudioCodes.
1 Leveraging SS7 to Deliver IP Services Carl Bergstrom Director – IN & IP Services VeriSign Telecommunication Services Internet Telephony Conference, February.
1 Computer Networks and Internets Spring 2005 Assistant Professor JainShing Liu.
Presenters :Deepak Yadav Voice Over Internet Protocol.
VoIP security : Not an Afterthought. OVERVIEW What is VoIP? Difference between PSTN and VoIP. Why VoIP? VoIP Security threats Security concerns Design.
© 2006 Cisco Systems, Inc. All rights reserved.Cisco ConfidentialPresentation_ID 1 FCC-NTIA Joint Advisory Committee on Communications Capabilities of.
Business Data Communications, Stallings 1 Chapter 1: Introduction William Stallings Business Data Communications 6 th Edition.
Fall VON - September 28, 1999 C O N N E C T I N G T H E W O R L D W I T H A P P L I C A T I O N S SIP - Ready to Deploy Jim Nelson,
The Future of Unified Communications Jim Greenway VP, Marketing, U4EA UC Definition SMB a Large Opportunity –Market for UC in SMB –Examples Conclusion.
Tiziana Ferrari Quality of Service Support in Packet Networks1 Quality of Service Support in Packet Networks Tiziana Ferrari Italian.
Infrastructure for Better Quality Internet Access & Web Publishing without Increasing Bandwidth Prof. Chi Chi Hung School of Computing, National University.
9/22/20151 Network Research at College of Computing and Digital Media James Yu, Ph.D. Associate Professor DePaul University 08/31/09.
MGCP Megaco H.248 by Bob Young. MGCP - Megaco - H.248 "It's all one."
Applied Communications Technology Voice Over IP (VOIP) nas1, April 2012 How does VOIP work? Why are we interested? What components does it have? What standards.
Module 2: Planning and Optimizing a TCP/IP Physical and Logical Network.
TETRA ARCHITECTURE AND INTERFACES
Voice over IP Are we there yet ? Presented by: Mark Caswell, Empire Technologies, LLC. Voice over IP.
NuolSec VIspace Vientiane, Laos.
University of Palestine Faculty of Applied Engineering and Urban Planning Software Engineering Department INTRODUCTION TO COMPUTER NETWORKS Dr. Abdelhamid.
September 15, 2003FG3 Report FOCUS GROUP 3 Interoperability Report to NRIC VI Council September 15, 2003 Cliff Naughton (Boeing)
ﺑﺴﻢﺍﷲﺍﻠﺭﺣﻣﻥﺍﻠﺭﺣﻳﻡ. Group Members Nadia Malik01 Malik Fawad03.
October 10-13, 2006 San Diego Convention Center, San Diego California SIP Trunking… Why is it so important?
9 Systems Analysis and Design in a Changing World, Fourth Edition.
Omar A. Abouabdalla Network Research Group (USM) SIP – Functionality and Structure of the Protocol SIP – Functionality and Structure of the Protocol By.
What is SIGTRAN?. SIGTRAN Signaling Transport (SIGTRAN) is an Internet Engineering Task Force (IETF) standard for transporting Public-Switched Telephone.
Introduction to Measurement. According to Lord Kelvin “When you can measure what you are speaking about and express it in numbers, you know something.
Softswitch SIP Proxy Server Call Manager IP Telephony Router Tablet PC IP PBX Class 5 Switch Class 4 Switch PBX Access Gateway Broadband Router Voice Gateway.
Kemal Baykal Rasim Ismayilov
Colombo, Sri Lanka, 7-10 April 2009 FORUM ON NEXT GENERATION STANDARDIZATION (Colombo, Sri Lanka, 7-10 April 2009) Session Moderator Ghassem Koleyni An.
Emergency Services Workshop, 21th-24 th of October, Vienna, Austria Page 1 IP-Based Emergency Applications and Services for Next Generation Networks PEACE.
CSE5803 Advanced Internet Protocols and Applications (14) Introduction Developed in recent years, for low cost phone calls (long distance in particular).
Ikhlaq Sidhu, Ph.D. Vice President, S4 Division Personal Connectivity Business Unit March 1999 ® SIP Update VON Europe 99.
1 Computer Engineering Department Islamic University of Gaza ECOM 6303: Advanced Computer Networks (Graduate Course) Spr Prof. Mohammad A. Mikki.
IT Services Model Business Requirements IT Strategies Goals
Intelligent Interconnects in the VoIP Peering Environment John Longo VP Product Marketing & Management, NextPoint.
Networking Components William Isakson LTEC 4550 October 7, 2012 Module 3.
CSC 116 Nov Administrative Required 2 nd exam will be next week on Wed  Nov 18th It will be short (10 questions) It will only cover chapters.
“End to End VoIP“ The Challenges of VoIP Access to the Enterprise Charles Rutledge VP Marketing Quintum Technologies
Out of Sight, But Not Out of Touch Remote Office, Branch Office IP Telephony Solutions Charles Henderson Director, Product Management EADS TELECOM North.
SIP & How It Relates To YOUR Business. Jeff S. Olson Director of Marco Carrier Services David Bailey-Aldrich Technology.
Taking your Business Technology Further. First Communications: At A Glance Technology Provider since 1998, serving thousands of Businesses throughout.
HOW TO GUIDE: INEXPENSIVE INTERNET PROTOCOL TELEPHONY SOLUTION Created by: Cameron Adkisson Eastern Kentucky University
MPLS Introduction How MPLS Works ?? MPLS - The Motivation MPLS Application MPLS Advantages Conclusion.
For more course tutorials visit NTC 406 Entire Course NTC 406 Week 1 Individual Assignment Network Requirements Analysis Paper NTC 406.
© ITT Educational Services, Inc. All rights reserved. IS3120 Network Communications Infrastructure Unit 7 Layer 3 Networking, Campus Backbones, WANs, and.
HCNA-UC HCNA-UC certification validates the knowledge and skills required for basic configuration and maintenance of small to medium-sized enterprise unified.
Cisco Discovery 3 Chapter 1 Networking in the Enterprise JEOPARDY.
Jim McEachern Senior Technology Consultant ATIS July 8, 2015.
Lab A: Planning an Installation
Network Research at CTI
Network Research at CTI
VoIP—Voice over Internet Protocol
VoIP Signaling Protocols Framework
Presentation transcript:

9/8/2015 CSC426 1 Network Research at CDM James Yu, Ph.D. Associate Professor School of Computing

9/8/2015 CSC426 2 James Yu, Ph.D. Ph.D. in Computer Science from Purdue University, 1985 [Distinguished] Member of Technical Staff, Bell Labs, Lucent Technologies, 1985 – 2000 Director of Network Technologies, ARBROS Communications, 2000 – 2001 Assistant/Associate Professor, DePaul University, now

9/8/2015 CSC426 3 Research Interests Wireless Security VoIP Traffic Engineering Network Management Fault Tolerant Network Design Network education: hands-on exercises for distance learning students

9/8/2015 CSC426 4 Framework of Network Research (I) Problem Statement Empirical Framework Theoretical Model Data Analysis Solutions to The problem References Comparative Study Conclusion Revision

9/8/2015 CSC426 5 Framework of Network Research (II) Problem Statement Empirical Framework Theoretical Model Solutions to The problem Comparative Study Conclusion Data Analysis Your solution must be theoretical sound along with empirical support.

Problem Statement Is the problem significant and interesting? –References, References, References Can you describe the problem in one or two sentences? Can you describe the problems with numbers? Is the problem solvable? Is the problem already solved? Do not confuse the problem with the solution. 9/8/2015 CSC426 6

Measurement 9/8/2015 CSC426 7 “When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meager and unsatisfactory kind; it may be the beginning of knowledge, but you have scarcely in your thoughts advanced to the state of Science, whatever the matter may be." [Lord Kelvin, PLA, vol. 1, "Electrical Units of Measurement", ]

Dependent Variable(s) vs. Independent Variables 9/8/2015 CSC426 8 Y = F (X1, X2, X3, …..)

Review of Research Paper 1-2 page of each paper you read Problem Statement Results and Major Conclusions Research Methodology (empirical or theoretical) Comparison with other research work Your assessment Can you reproduce the research results? Can you improve the research results? 9/8/2015 CSC426 9

NETWORK RESEARCH PROJECTS 9/8/2015 CSC426 10

9/8/2015 CSC Transport Network Switched Network Services and Management Access Network Data Center Call Center Data LAN Voice Network 2G/3G Network ISP Network PSTN Internet carrier network converged enterprise network cellular network Security Layer Network: the BIG Picture Security Layer UNI NNI

9/8/2015 CSC Project I: Performance Analysis Key measurement: throughput (bps) and delay (ms or  s) Ethernet Switch IP Router Linux Bridge/Router Windows Bridge/Router

9/8/2015 CSC Switch Performance Comparison on Gigabit Ethernet Question: could you develop a problem statement from this chart?

9/8/2015 CSC Wireless Performance Question: why is TCP performance is only 50% of the line rate for wireless communications?

9/8/2015 CSC Project II: Wireless Denial of Service (DoS) Research

9/8/2015 CSC TCP performance under DoS TCP performance under DoS Start Stop

9/8/2015 CSC Project III: VoIP Research PSTN Switch SS7 IP (public) Trunk MG SoftSwitch SS7 IP (private)IP (internal) PSTN Switch Access MG Call Manager (SIP Proxy) SoftSwitch Call Manager (Enterprise) Trunk MG Q.931 MG: Media Gateway Carrier VoIP Network

9/8/2015 CSC VoIP: Traffic Engineering Design the network with sufficient capacity to meet the traffic demand with satisfactory performance Requirement: assurance of Voice Quality. –If call quality cannot be assured, reject the call request. Demand (A) - Traffic Intensity number of calls × duration of average calls Erlang Erlang Resources (N) – Network bandwidth (bps) and capacity (pps) Grade of Service (GoS) – blocking probability

9/8/2015 CSC Research Areas of VoIP IP Multimedia Subsystem (IMS) –How is a VoIP call from one service provider to another service provider today? VoIP Security Voice Quality Quality of Service (QoS) over internet and intranet Supplemental and Intelligent Network (IN) services API and VoXML

9/8/2015 CSC Project IV: Fault Tolerant Network ISP-01 ISP-02 Dual HomingVRRPRSTP (802.1w) RSL Network Design Goal: 1.No single point of failure 2.Failover time << 1 sec

9/8/2015 CSC Project V: Remote Lab Access Public Internet Private Networking Labs Linux Gateway Windows Terminal Server Telecom Terminal Server Console interface Devices w/ IP interface Devices w/ Console interface Problem Statement: supporting distance learning students to perform hands-on network exercises from any place with 24×7 access to the network lab

Research on Networking Education Does the DL environment support the same learning goals effectively as the in- class students? –How do you define and measure the conformance to the learning goals and the effectiveness of the learning environment? Does multiple choice questions measure the learning as effective as other methods? 9/8/2015 CSC426 22

Project VI: Network Management Command- Oriented Object-Oriented Document- Oriented Variable- Oriented Transaction- Oriented Vendor specif ic SNMP/MIB CORBA XML-Based NETCONF 04/27/09 23 DePaul University

NETCONF A new Protocol from IETF It is designed to address many current issues of network mangement. XML-based and Transaction-Based –The XML standard is well defined –The XML Schema allows flexible definition of the structured management information –download/upload of complete device configuration –human-readable –cost-effective to develop new applications and services Integration with security infrastructure Open issue – a lack of data models 04/27/09 24 DePaul University

Research Deliverables No deliverables; no research Publications, Publications, Publications –Journal Papers – only if accepted –Conference Papers –Technical Reports (little weight) –Grant proposals – only if awarded –Whitepapers? (does not count) Tools, Demo, etc – good only if you have publications associated with them. 9/8/2015 CSC426 25

Technical Writings It is more important than your technical capabilities. Actually, it is a lot more important. Take a technical writing course if you have never taken one. use the DePaul Writing Labs William Strunk Jr. the Element of Style Yes, we are very picky (and extremely picky) 9/8/2015 CSC426 26

9/8/2015 CSC Recommendations There is no shortcut for research. Your approach may not work. Actually, it is not likely to work most of the time, but do not give up. You may find an elegant solution if you redefine the problem. Be flexible. If this is your 1 st or 2 nd year, you may try to reproduce with minor refinement of others research work. Be in a research team. If not, keep regular contact and discussion with other Ph.D. students. Build your community now (CSC426) It is easier to publish at SoCRS and you should do it.