Network Security at OSI Layers Muhammad Muzammil Syed Zeeshan Nasir Department of computer science FUUAST‚ Islamabad 1-OSI Model: In 1983‚ the International Organization for Standardization (ISO) and the International Telegraph and Telephone Consultative Committee (CCITT) merged documents and developed the OSI model‚ which is based on a specific hierarchy where each layer builds on the output of each adjacent layer. The OSI model is a protocol stack where the lower layers deal primarily
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Introduction to Network Simulator NS2 Teerawat Issariyakul • Ekram Hossain Introduction to Network Simulator NS2 123 Teerawat Issariyakul TOT Public Company Limited 89/2 Moo 3 Chaengwattana Rd. Thungsonghong‚ Laksi Bangkok‚ Thailand 10210 teerawas@tot.co.th iteerawat@hotmail.com Ekram Hossain Department of Electrical & Computer Engineering University of Manitoba 75A Chancellor’s Circle Winnipeg MB R3T 5V6 Canada ekram@ee.umanitoba.ca ISBN: 978-0-387-71759-3 DOI: 10.1007/978-0-387-71760-9
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infrastructure of the Internet has implications for the regulation of applications and content. Begin with the Internet itself. The Internet is a global network of networks‚ with communication between networks enabled by a communications protocol suite‚ currently TCP/IP. The Internet enables computers or servers that are attached to the net to communicate with one another‚
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widely separated locations. The key aspect here is that a WAN can be either publicly or privately owned. What is an Internet? - Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (often called TCP/IP‚ although not all applications use TCP) to serve billions of users worldwide. - It is a network of networks that consists of millions of private‚ public‚ academic‚ business‚ and government networks‚ of local to global
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This page intentionally left blank TCP/IP Essentials The TCP/IP family of protocols have become the de facto standard in the world of networking‚ are found in virtually all computer communication systems‚ and form the basis of today’s Internet. TCP/IP Essentials is a hands-on guide to TCP/IP technologies‚ and shows how the protocols operate in practice. The book contains a series of carefully designed and extensively tested laboratory experiments that span the various elements of protocol
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ActionScript® 3.0 for ADOBE® FLASH® PROFESSIONAL CS5 CLASSROOM IN A BOOK® The official training workbook from Adobe Systems w ww.adobepress.com ActionScript 3.0 for Adobe® Flash® Professional CS5 Classroom in a Book® © 2010 Adobe Systems Incorporated and its licensors. All rights reserved. If this guide is distributed with software that includes an end user agreement‚ this guide‚ as well as the software described in it‚ is furnished under license and may be used or copied only in accordance
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BMO Internet Security Final Project Paper University of Toronto SCS 2115 Professor: Dr. Ken K. Wong By: Kevin Fernando 13/06/2010 The semantic web is a vision created and promoted by Tim-Berners-Lee and the World Wide Web Consortium. In his article the Semantic Web in Scientific American (2001) Berners-Lee explains that The Semantic Web is not a separate Web but an extension of the current one‚ in which information is given well-defined meaning‚ better enabling computers and people to
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Application architecture and Process Design:- Applications are designed according using a system development life cycle‚ which passes through several phases including requirements gathering‚ design‚ implementation‚ testing‚ and maintenance. We describe the application design process by designing an information system for Riordan Manufacturing‚ Inc.‚ an industry in the field of plastic injection moulding. The first step of design is to identify the processes and the entities. Processes represent
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Patton-Fuller Community Hospital has been in business in the City of Kelsey since 1975. The hospital provides high quality medical care to the citizens of Kelsey and the surrounding area. Some of the services the hospital offers are x-rays‚ pharmacy‚ and emergency services for children and adults. “As one of the first hospitals in Kelsey‚ the staff is committed to providing a variety of programs that will support the health and welfare of the local community populations” (Apollo Group‚ 2010). The
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CASE WRITE-UP Case: Adobe Data Breach 1. About the Case On October 3‚ 2013‚ The Adobe Systems Incorporated in the United States of America discovered that there was a cyber-attack on their network during its regular monitoring of security check. The hackers made it through breaking in to the network and stole the sensitive and personal data of the customers which includes encrypted credit and debit card information‚ illegal access of customer ID ’s and also source code of other various Adobe
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