PPT-Timing Channel Protection for a Shared Memory Controller

Yao Wang Andrew Ferraiuolo G Edward Suh Feb 17 th 2014 Executive Summary Observation Modern computing systems are vulnerable to timing channel attacks Problem No hardware techniques exist to eliminate timing channels through . Avg Access Time 2 Tokens Number of Controllers Average Access Time clock cyles brPage 16br Number of Tokens vs Avg Access Time 9 Controllers Number of Tokens Average Access Time clock cycles brPage 17br brPage 18br Clocking and Timing Overview The Cisco ASR 903 Series Router has the following timing ports 1PPS InputOutput 10MHz InputOutput ToD BITS You can use the timing ports on the Cisco ASR 903 Series Router to do the following Provide or receive 1PPS messa 1 Standard feedback controller plus RVS Figure 22 Drive circuit board with vibration sensors Rotational Vibration Safeguard RVS Rotational Vibration Safeguard RVS Seeing the future Selected HGST hard drives now have an advanced Rotational Vibration S Shared memory. Process A. Process B. Physical Memory. Virtual address space A. Virtual address space B. Share. Share. Share. Instruction memory. Data. Instruction memory. Data. Create a shared memory region. Tsung. -Wei Huang. and Martin D. F. Wong. Department of Electrical and Computer Engineering (ECE). University of Illinois at Urbana-Champaign (UIUC), IL, USA. 2015 ACM International Symposium on Physical Design (ISPD). Qiuyang Wu. 2015.3.13. Outline. This talk answers the following questions regarding timing constraints:. What are the key scalability challenges?. What are the available solutions?. Design Complexity Trends. Off-Chip Power-Area-Timing Models. Norman P. . Jouppi. ¥. , Andrew B. Kahng. †‡. ,. Naveen Muralimanohar. ¥. , . Vaishnav Srinivas. †. November 6. th. , 2012. ECE. †. and CSE. ‡. Departments. Computer Security 2014. Background. An algorithm or software can be designed to be . provably secure. .. E.g. cryptosystems, small OS kernels, TPM modules, .... Involves proving that certain situations cannot arise. Active fuel management (. AFM. ) . Cylinder cut off system . Displacement on demand (DOD) . EVCP. . Ground side switching . MDS . Oil control valve (. OCV. ) . Power side switching . PWM. . Spline . Wei-Ting J. Chan, Kun Young Chung, Andrew B. Kahng, Nancy D. MacDonald and . Siddhartha Nath. Outline. Motivation. Previous Work . Our Work. Multiphysics Analysis. Modeling Methodology. Results . Conclusions. Recall: Microprocessors are classified by how memory is organized. Tightly-coupled multiprocessor systems use the same memory. They are also referred to as . shared memory multiprocessors. .. The processors do not necessarily have to share the same block of physical memory: . Laser / RF Timing ( E ngineering of Femtosecond Timing Systems) Josef Frisch SLAC Femtoseconds Bryan Bandli , Scanning Electron Microscopy Laboratory, University of Minnesota 70fs Eye blink ½ human hair kindly visit us at www.nexancourse.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. Hagersten. , . Landin. , and . Haridi. (1991). Presented by Patrick . Eibl. Outline. Basics of Cache-Only Memory Architectures. The Data Diffusion Machine (DDM). DDM Coherence Protocol. Examples of Replacement, Reading, Writing.