Network Layer essay topics

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  • Standards For The Data Link Layer
    917 words
    The Seven Layers of the OSI Network Model The OSI Reference model is comprised of seven layers. This network model is used to describe the different layers, or "parts" of a network. Ranging from software related to hardware related, they are: Application, Presentation, Session, Transport, Network, Data-link, and Physical. The Application layer refers to the software used on the network, such as a web browser, and ftp client, or the client's operating system, all of which are used to access resou...
  • Lower Layers From The Application's Data Format
    1,001 words
    The OSI layers (from the bottom up) are as follows: Physical: Transmits data Data Link: Corrects transmission errors Network: Provides the physical routing information Transport: Verifies that data is correctly transmitted Session: Synchronizes data exchange between upper and lower layers Presentation: Converts network data to application-specific formats Application: End-user interface The application, presentation, and session layers are all application-oriented in that they are responsible fo...
  • Data Link Layer Nic Addresses
    1,085 words
    Michael Rau seo IT 310 OSI Model In the early years of computer and network research and development many systems were designed by a number of companies. Although each system had its rights and were sold across the world, it became apparent as network usage grew, that it was difficult, to enable all of these systems to communicate with each other. In the early 1980's, the International Organization for Standardization (ISO) recognized the need for a network model that would help companies create...
  • Frame And The Layer 2 Sequence Numbers
    5,681 words
    What is ISDN? ISDN, which stands for integrated services digital network, is a system of digitizing phone networks which has been in the works for over a decade. This system allows audio, video, and text data to be transmitted simultaneously across the world using end-to-end digital connectivity. The original telephone system used analog signals to transmit a signal across telephone wires. The voice was carried by modulating an electric current with a waveform from a microphone. The receiving en...
  • Communications On A Network
    814 words
    During the past two decades there has been a tremendous increase in the numbers and sizes of networks. Many of the networks, however, were built using different implementations of hardware and software. As a result, many of the networks were incompatible and it became difficult for networks using different specifications to communicate with each other. To address this problem, the International Organization for Standardization (ISO) researched many network schemes. The ISO recognized that there ...
  • Jane's Public Key To Encrypt The Message
    1,605 words
    Security and Open Systems Interconnect (OSI) Tony NTC/410, Network and Telecommunications Concepts I IMr. Li July 9, 2005 Security and Open Systems Interconnect (OSI) Security to networks and data has been a concern since the introduction of the Personal Computer (PC) in the work place. There always seems to be someone who wants gain unauthorized access. Below are a few areas that an administrator can look into to help secure their system. File Security and Firewalls File Security is keeping una...
  • Hell With The Osi Seven Layer Model
    510 words
    To hell with the OSI 7 Layer Model Back in the 1980's, when all music sucked and men dressed like fags, a bunch of sissy Europeans got together in a passionate effort to over standardize computer networking. They created this thing called the Open Systems Interconnection (OSI) networking suite. Anyone who has taken a CS (Computer Science) or CIS (Computer Information Systems) course knows this; they cram this fact down the student's throat from day freaking one. It is only when the student enter...
  • 802 16 Standard
    738 words
    Broadband Wireless Access (BWA) allows for the provision of high-speed Internet services without building physical structures consisting of fiber, coax or category 5 twisted pair in residential houses and business premises, relying instead on base transceiver stations (BTS) to transmit the bandwidth. However, at the initial stages, there weren't any defined standards for building the Systems which resulted in a variety of software and hardware. The acceptance level is therefore low as the prices...

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