PPT-An Introduction to Computer Networks

1 An Introduction to Computer Networks Peter L Dordal Release 1921 Chapter 1 An Overview of Networks Local Area Networks LANs are the physical networks that provide the connection between . SATISH MISHRA,PGT CS ,KV TRIMULGHERRY. A network is any collection of independent computers that communicate with one another over a shared network medium. A computer network is a collection of two or more connected computers. . 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. 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. to. Security. . Computer Networks . Term . A15. Intro to Security Outline. Network Security. Malware. Spyware, viruses, worms and . trojan. horses, botnets. Denial of Service and Distributed DOS Attacks. Spring . 2016. Dr. . Nghi. Tran. Department of Electrical & Computer Engineering. Lecture 4: Network Performance Metrics. Dr. . Nghi. Tran (ECE-University of Akron). ECE 4450:427/527. Computer Networks . 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. Jon Chippindall. www.primarycomputing.co.uk. CAS Master Teacher. @. drchips. _ . Computing national curriculum 2014. understand computer networks including the internet; how they can provide multiple services, such as the world wide web; and the opportunities they offer for communication and collaboration . 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 '. 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. 1. Local Area Networks. Aloha. Slotted Aloha. CSMA (non-persistent, 1-persistent, . p-persistent). CSMA/CD. Ethernet. Token Ring. Networks: Local Area Networks. 2. Data Link. Layer. 802.3. 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. 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.