Internet Layering - An IP address identifies a network...

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Internet Layering It reflects the layering used by the TCP/IP protocols Application Transport Internet Network Interface Physical - Individual Application Programs (HTTP) - Program to Program (TCP and UDP) - Packet Forwarding. Machine to Machine. (IP) - Local Area Network (Ethernet, RS232, etc) - Basic Network Hardware
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IP Addressing It is an abstraction to hide the network internals. It is independent from hardware addressing. IP addresses are used for all communications. IP addresses use 32 bits. There is a unique value for each host
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IP Addressing Important: An IP Address does not specify a specific computer. Instead, each IP address identifies a connection between a computer and a network.
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Unformatted text preview: An IP address identifies a network interface. A computer with multiple network connections (like a router) must be assigned one IP address for each connection. IP Addressing It has two parts: The prefix identifies a network The suffix identifies the host in that network. Network Number Host Number H N1 H H H N1 H1 N1 H2 N1 H3 N1 H4 R N2 H H N2 H1 N2 H2 N2 H3 N1 H5 IP Addressing A global authority assigns a unique prefix for the network. A local administrator assigns a unique prefix to the hosts. The number of bits assigned to the prefix and suffix is variable depending on the size of the number of hosts in each network....
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This note was uploaded on 01/30/2012 for the course CS 252 taught by Professor Gustavorodriguez during the Fall '11 term at Purdue University-West Lafayette.

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Internet Layering - An IP address identifies a network...

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