PPT-Real-Time Transmission Congestion Management & Market E

Chad Thompson Manager Operations Support ERCOT Jeff Gilbertson Sr Market Operations Analyst ERCOT Objectives Identify what defines a constraint in the ERCOT system Identify which ERCOT application dispatches generation to resolve constraint overloads. Balanced and unbalanced transmission line Transit time effect on a transmission line at high frequencies Dominance of the reactive component over resistive component Concept of distributed elements and conditions under which the lumped element circu IETF. . 88, Vancouver, BC. Lyle . Bertz. (. lyle.t.bertz@sprint.com. ). Brent Hirschman (. brent.hirschman@sprint.com. ). Supplement to . draft-bertz-dime-congestion-flow-attributes-01. RFC. 5777 Foundation. draft-stein-pwe3-congcons-01.. pdf. Yaakov (J) Stein. David Black. Bob Briscoe. PW congestion as seen by PWE3. PWE3 was originally in the transport area. . because handling the congestion issue was considered critical. Chad Thompson, Manager, Operations Support, ERCOT. Jeff Gilbertson, . Sr. . Market Operations Analyst, ERCOT. Objectives. Identify what defines a constraint in the ERCOT system.. Identify which ERCOT application dispatches generation to resolve constraint overloads.. and. Resource Allocation. Lecture material taken from. “Computer Networks . A Systems Approach. ”, Third . Edition,Peterson. and Davie,. Morgan Kaufmann, . 2007. .. Advanced Computer Networks. Congestion Control Outline. Computer Networks. Principles of Congestion Control. Congestion:. informally: “too many sources sending too much data too fast for the . network. to handle”. different from flow control!. manifestations:. the . Internet. Sally Floyd . and . Kevin . Fall . IEEE-ACAM . Transactions on . Networking,1999. . . 101062804 . 馬儀蔓. . Outline. Introduction. The Problem of Unresponsive Flows. T.Najah. Al-. Subaie. Kingdom of Saudi Arabia. Prince Norah . bint. Abdul . Rahman. University. College of Computer Since and Information System. NET331. Data Traffic. The main focus of congestion control is data traffic.. Celio. Albuquerque, Brett J. Vickers, Tatsuya . Suda. 1. Outline. The Problem. Existing Solutions. Network Border Patrol. Feedback Control Algorithm. Rate Control Algorithm. Simulations and Testing. Qi (Gill) Wang. gillwang@udel.edu. CISC 856 – . TCP/IP, Fall 2012. Special thanks to:. Dr. Paul . Amer. Guna. . Ranjan. , Justin . Yackoski. , . Namratha. . Hundigopal. and . Preethi. . Natarajan. Keqiang. He. , Eric . Rozner. , . Kanak. Agarwal, Yu . Gu. , . Wes . Felter. , John Carter, Aditya . Akella. 1. Datacenter Network Congestion . C. ontrol. Congestion . is not rare in . datacenter networks [Singh, SIGCOMM’15]. What is Congestion Pricing?. Definition - . A financial means of influencing when people drive in certain areas. Primary Goal - . To reduce traffic congestion during periods of peak demand. Secondary Goal . Jian He. UT Austin. 1. Why is Congestion Control necessary?. Data . Packets. ACK. Congested . Link. Congested link vs. reliability: . long queuing delay, packet loss. But, can delay or packet loss always . Algorithm Identification for Traffic Separation. Elie Kfoury. *. , Jorge Crichigno. *. (Presenter), Elias Bou-Harb. ^. *. College of Engineering and Computing, University of South Carolina. ^. Cyber Center For Security and Analytics, University of Texas at San Antonio, USA.