Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 Subsystems of TE Control Capacity augmentation Expediting bandwidth provisioning while minimizing installation costs Routing control 。 Traffic control 。 Resource control Including control of service policies at network elements ·Challenges of TE: Automated control that adapts to network changes quickly and cost-effectively 2616009:Network Traffic Engineering Unit 9:Traffic Engineering Page.82616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 Unit 9: Traffic Engineering Page.8 Subsystems of TE Control • Capacity augmentation - Expediting bandwidth provisioning while minimizing installation costs • Routing control • Traffic control • Resource control - Including control of service policies at network elements • Challenges of TE: - Automated control that adapts to network changes quickly and cost-effectively