Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 Unit 9 Network Traffic Engineering 2616009:Network Traffic Engineering Unit 9:Traffic Engineering Page.1
2616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 Unit 9: Traffic Engineering Page.1 Unit 9 Network Traffic Engineering
Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 Overview and Principles of Traffic Engineering Introduction to Traffic Engineering 。 Historical and Present Traffic Engineering Approaches Recommendations for Internet Traffic Engineering 。 Contemporary TE Practices in Operational IP Networks 2616009:Network Traffic Engineering Unit 9:Traffic Engineering Page.2
2616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 Unit 9: Traffic Engineering Page.2 Overview and Principles of Traffic Engineering Introduction to Traffic Engineering • Historical and Present Traffic Engineering Approaches • Recommendations for Internet Traffic Engineering • Contemporary TE Practices in Operational IP Networks
Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 Background The Internet has evolved into a critical communications infrastructure Very high quality of services are demanded 。 Performance optimization has become an important problem 。 Mechanisms are needed to allocate the network resources properly Mechanisms are needed to resolve resource contention 2616009:Network Traffic Engineering Unit 9:Traffic Engineering Page.3
2616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 Unit 9: Traffic Engineering Page.3 Background • The Internet has evolved into a critical communications infrastructure • Very high quality of services are demanded • Performance optimization has become an important problem • Mechanisms are needed to allocate the network resources properly • Mechanisms are needed to resolve resource contention
Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 What is Internet Traffic Engineering? Definition: The aspect of Internet network engineering dealing with the issue of performance evaluation and optimization 。 Components:technologies and scientific principles on Traffic measurement Traffic characterization Traffic modeling Traffic control 2616009:Network Traffic Engineering Unit 9:Traffic Engineering Page.4
2616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 Unit 9: Traffic Engineering Page.4 What is Internet Traffic Engineering? • Definition: - The aspect of Internet network engineering dealing with the issue of performance evaluation and optimization • Components: technologies and scientific principles on - Traffic measurement - Traffic characterization - Traffic modeling - Traffic control
Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 Objectives of Traffic Engineering Enhancing the performance at traffic and resource level Traffic performance measures:delay,delay variation,packet loss and throughput Resources usage:economical and reliable Reliable network operation Survivability,minimization of service outages 。 Control and optimization of the routing function 。 Enhance the emergent properties of the network End-user satisfaction Choose the right performance measures to optimize 2616009:Network Traffic Engineering Unit 9:Traffic Engineering Page.5
2616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 Unit 9: Traffic Engineering Page.5 Objectives of Traffic Engineering • Enhancing the performance at traffic and resource level - Traffic performance measures: delay, delay variation, packet loss and throughput - Resources usage: economical and reliable • Reliable network operation - Survivability, minimization of service outages • Control and optimization of the routing function • Enhance the emergent properties of the network - End-user satisfaction - Choose the right performance measures to optimize