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eTwinning - TCP/IP: network access layer
 

eTwinning - TCP/IP: network access layer

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    eTwinning - TCP/IP: network access layer eTwinning - TCP/IP: network access layer Presentation Transcript

    • 28-02-2009
      • I will present the TCP/IP network access layer, which is also called the host-to- network layer.
      • The network access layer allows an IP packet to make a physical link to the network media.
      • It includes the LAN and WAN technology details and all the details contained in the OSI physical and data link layers.
      • Drivers for software applications, modem cards, and other devices operate at the network access layer.
      • Modem protocol standards such as Serial Line Internet Protocol (SLIP) and Point-to- Point Protocol (PPP) provide network access through a modem connection.
      • Many protocols are required to determine the hardware, software, and transmission- medium specifications at this layer.
      • Most of the recognizable protocols operate at the transport and Internet layers of the TCP/IP model.
      • Network access layer protocols also map IP addresses to physical hardware addresses and encapsulate IP packets into frames.
      • The network access layer defines the physical media connection based on the hardware type and network interface.
      • TCP/IP network access layer find best physical way to communication
    •