PPT-CSci4211: Introduction to Computer Networks

1 CSci4211 Introduction to Computer Networks Welcome to Time 945am 1100am MW Location Vincent Hall 16 Spring 2018 3 credit CSci4211 Logistics 2 Who Are We . Rodrigo Fonseca (. rfonseca. ). http://www.cs.brown.edu/courses/cs168. cs168tas@cs.brown.edu. Based partly on lecture notes by David . Mazi. ères. , Phil Levis, John . Jannotti. , Peterson & Davie. CSE481M: Home Networking Capstone. March 30. th. , 2011. Home networks are a success. Source: Home Networking Market Data, ABI Research, Nov 2010. Broadband penetration (US). Revenue for networked devices (worldwide). CSC458/2209 PA1. Simple Router. Based on slides by: Antonin and Seyed Amir Hejazi. Shuhao Liu. 19/09/2014. CSC458/2209 - Computer Networks, University of Toronto. Overview. Your are going to write a “simplified” router. to the. Application. Layer. . Computer Networks . Term . A. 15. Intro to Application Layer Outline. Current Application Layer Protocols. Creating an Application. Application Architectures. Client-Server. Rodrigo Fonseca (. rfonseca. ). http://www.cs.brown.edu/courses/cs168. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. , Peterson & Davie. Cast. Instructor: Rodrigo Fonseca (. Chapter 1. Computer Networks. , Fifth Edition by Andrew . Tanenbaum. and David . Wetherall. , © Pearson Education-Prentice Hall, 2011. Uses of Computer Networks. Business Applications. Home Applications. Theo Benson (. tbenson. ). https://. www.cs.duke.edu. /courses/spring15/compsci356/. Based partly on lecture notes by Rodrigo Fonseca, David . Mazières. , Phil Levis, John . Jannotti. , Peterson & Davie. Learning Outcomes:. Understand what a network is.. Identify types of networks.. Explore types of network formations.. Networks. Networks are two or more machines linked together to share files. At . home, your computer might be connected to its own printer and scanner. This works well as you are the only person who will be using them. A computer which isn't connected to a network is known as a '. Brian Aronson. Review of ego networks. Ego network (personal network). Ego: Focal node/respondent. Alter: Actors ego has ties with. Dyad: Pair of individuals. Ties. (Ego). D. C. B. Tie types. Friends. Ali Cole. Charly. . Mccown. Madison . Kutchey. Xavier . henes. Definition. A directed network based on the structure of connections within an organism's brain. Many inputs and only a couple outputs. D12. . TinyOS. Applications Outline. AntiTheft. . Example . {done in gradual pieces}. LEDs, timer, booting. Sensing Example. Light Sensor. Wiring to . AntiTheft. Single Hop Networks. Active Messages interface. Advanced Computer Networks. D12. . Cellular/Mobile Wireless Outline. Cellular Architecture. Cellular Standards. GSM, 2G, 2.5G and 3G. Mobile Definitions. Agents, addresses, correspondent. Mobile Architecture. Chapter 1 - Lecture 3. 2/2/2017. Introduction. Protocol . “. layers. ”. Networks are complex, with many . “. pieces. ”. :. Hosts. Clients/Servers. Switches . Layer 2 routing: MAC. Routers. Layer 3 routing: IP. –. Transport Layer Services. Software, Kernel . Firmware, Device Driver. Hardware. Protocol Stack Implementation in a Host.