Security and the OSI Model Network security is a topic that reaches far beyond the realm of firewalls‚ passwords‚ and user ID accounts. For a network and data to remain secure there must be protective measures at each level in the OSI interconnect model. While each layer basically operates autonomously of the other it is important to ensure that the data being transmitted from the host to destination has not been tampered with or is being prevented from reaching its destination. There are
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The main benefits of the OSI model include the following: • Helps users understand the big picture of networking • Helps users understand how hardware and software elements function together • Makes troubleshooting easier by separating networks into manageable pieces • Defines terms that networking professionals can use to compare basic functional relationships on different networks • Helps users understand new technologies as they are developed • Aids in interpreting vendor explanations of product
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Abstract Transmission Control Protocol (TCP) is the utmost universally protocol that is used on the Internet. The cause on behalf of this is that TCP gives fault rectification. An assurance of conveyance is tantamount with TCP. While IP takes care of handling the actual delivery of the data‚ TCP takes care of keeping track of the individual units of data‚ “called packets” that a message is divided into four efficient routing through the Internet. This is accredited fundamentally in reference to
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Administrator Guide for Avaya Communication Manager 03-300509 Issue 4.0 Release 5.0 January 2008 © 2008 Avaya Inc. All Rights Reserved. Notice While reasonable efforts were made to ensure that the information in this document was complete and accurate at the time of printing‚ Avaya Inc. can assume no liability for any errors. Changes and corrections to the information in this document may be incorporated in future releases. For full legal page information‚ please see the complete document
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Performance Analysis of TCP Variants Sanjay Rajashekhar (91sanjay@ccs.neu.edu) Tiantong Deng (dtt@ccs.neu.edu) Ganesh Aithal Parampalli Narayana (ganeshpn@ccs.neu.edu) Abstract— TCP is the main and most widely used transport protocol for reliable communication. Because of its widespread need‚ researchers have been studying and proposing new TCP variants trying to improve its behavior towards queuing and congestion to make it use the most available bandwidth while preserving a logical level
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OSI Reference Model 1 - OSI Reference Model Network Reference Models A computer network connects two or more devices together to share information and services. Multiple networks connected together form an internetwork. Internetworking present challenges - interoperating between products from different manufacturers requires consistent standards. Network reference models were developed to address these challenges. A network reference model serves as a blueprint‚ detailing how communication
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ATM versus IP for Voice over IP RAKESH KUMAR KAJJAM 11003940 K003940B@staffs.ac.uk ABSTRACT In this paper we mainly discuss about the technologies called asynchronous transfer mode(ATM) and internet protocol(IP).These are the two technologies that are having their own importance in today’s communication world of transmitting the voice and video signals over a network between a source and destination.We are about to see the main differences between these technologies and compare them theoretically
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English Composition I TCP Task 2 Charlyn Renfrow Student ID #000367512 Leadership. The word means so many things to so many different people. Where a person grew up‚ what generation they were born into‚ if they were raised going to church‚ if they had a teacher that made an impact on their life and so many different ways of life can define what leadership might be to an individual. A search on Amazon.com for “leadership” generates 113‚754 results in the books section. Searching “influence
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Repeater: operates at physical layers of osi model. Digital signals or analog signals that carry digital data can only be transmitted over a limited distance. After a certain distance attenuation or noise endangers the integrity of that data. Repeaters reproduce and transmit the received digital data. This new signal is the exact duplicate of the original signals. Repeaters offer simple means to extend a network‚ increased traffic on the network is introduced. This increased network congestion may
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Student Name Class Comp 230 Date VBScript IP Array Report In the space provided below‚ copy and paste your IP_Array.vbs Program Code. If it doesn’t fit‚ use the next page for the continuation of your sourcecode program ’ VBScript: IP_Array.vbs ’ Written by: Student Name ’ Date: Today’s Date ’ Class: COMP230 ’ Professor: Professor Name ’ =================================== ’ Below is an initialize a 2-dimension ’ array of IP Address. The first index ’ +100 is the room# and the
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