PPT-CRMA: Collision Resistant Multiple Access

Lili Qiu University of Texas at Austin Joint work with Tianji Li Mi Kyung Han Apurv Bhartia Eric Rozner Yin Zhang Brad Zarikoff ACM MobiCom 2011 1 Motivation. Unit-II. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.. Data . link layer divided into two functionality-oriented . sublayers. Taxonomy . of multiple-access protocols discussed in this chapter. Network Fundamentals. Lecture . 6. : Data Link. (The . Etherknot. . N. otwork. ). Revised 1/14/13. Data Link Layer. 2. Function:. Send blocks of data (. frames. ) between physical devices . Regulate access to the physical media. Message Authentication Codes. Sebastiaan. de Hoogh, . TU/e. Cryptography 1. September 12, 2013. Announcements. Until this morning 50 students handed in 43 pieces of . homeworks. . (only 7 pairs). BUT: . THE MEDIUM ACCESS SUBLAYER. 4.1: . The Channel Allocation Problem . 4.2: . Multiple Access Protocols . 4.1.1 The Channel Allocation Problem. Problem. How . to allocate single broadcast channel among competing users. Multiple Access . Aim. is to develop Efficient Techniques that Maximize System Capacity thru Dynamic Resource Allocation and Spectrum Reuse. How do we . share. one transponder between several earth stations?. Huaqing. Zhang. Wireless Networking, Signal Processing and Security Lab. Department of Electrical and Computer Engineering. University of Houston, TX, USA. Sep. 2016. Evolution of Multiple Access Technology. xDSL. Architecture. Broadband Remote Access Server. The Broadband Remote Access Server (B-RAS) is a . key component . of DSL broadband access networks . that serves . as an aggregation point for subscriber traffic (IP. 4.1: . The Channel Allocation Problem . 4.2: . Multiple Access Protocols . 4.1.1 The Channel Allocation Problem. Problem. How . to allocate single broadcast channel among competing users. ?. Solutions . http://www.sonoma.edu/users/k/kujoory. Department of Engineering Science. ES465/CES . 440, . Intro. to . Networking & Network . Management. References. “Computer . Networks & Internet,” Douglas Comer, 6. . Patra. Quick Recall and Today’s Roadmap. >> Hash Function: Various Security Notions. >> . Markle-Damgaard. Domain . Extension. >> . Davis Meyer . Hash . function. >> Domain Extension for MAC using Hash function: Hash-and-Mac. kindly visit us at www.examsdump.com. Prepare your certification exams with real time Certification Questions & Answers verified by experienced professionals! We make your certification journey easier as we provide you learning materials to help you to pass your exams from the first try. Professionally researched by Certified Trainers,our preparation materials contribute to industryshighest-99.6% pass rate among our customers. Multiple Access Methods. Multiple Access Methods. When nodes or stations are connected and use a common link (cable or air) , called a multipoint or broadcast link, we need a multiple-access protocol to coordinate access to the link.. Emerging Antibiotic Resistance. Ronald W. Flenner, MD, FACP. Vice Dean for Academic Affairs. James E. Etheridge Jr. Distinguished . Professorship. Eastern Virginia Medical School. 64yo female. PMHx. Grade breakdown . Homework: 15%. Labs: 30%. Midterm: 25%. Final: 30%. Check your grades at Brightspace . If questions, contact me no later than . April 26 (Friday) . Final grades will be curved … .