IP Addresses

What is IP Address?

What is IP Address? What is IP Address?  A network protocol suite such as TCP/IP (or OSI) has to have a methodology by which devices on the network can identify each other at every level of the network model. TCP/IP provides identification at the Internet layer of the TCP/IP networking model in the form of IP addressing. In order to send information …

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IP Addressing

IP Addressing IP addresses are represented by a 32-bit unsigned binary value. It is usually expressed in a dotted decimal format. Here are some examples of IP addresses shown in dotted decimal form. all IP addresses are 32 bits long and are comprised of four 8-bit segments known as octets. Representing IP addresses …

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Class Based IP Addresses

Class Based IP Addresses Class Based IP Addresses The IP address is 32 bits in length and is used to identify both the host address (Host id) and the address of the network (Net id) in which the host resides. An address class is defined to allocate the minimum number of bits that are to be used …

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Reserved IP Addresses

Reserved IP Addresses   Reserved IP Addresses  A component of an IP address with a value all bits 0 or all bits 1 has a special meaning: • All bits 0: An address with all bits 0 in the host number portion is interpreted as this host (IP address with host address =0). All bits zero in the network …

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IP Subnetting

IP Subnetting   IP Subnetting  Due to the explosive growth of the Internet, the principle of assigned IP addresses became too inflexible to allow easy changes to local network configurations. Those changes might occur when: • A new type of physical network is installed at a location. • Growth of the number of hosts requires splitting the local network …

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Domain Name System (DNS)

Domain Name System (DNS) Domain Name System To identify an entity, TCP/IP protocols use the IP address, which uniquely identifies the connection of a host to the internet. However, people prefer to use names instead of addresses. Therefore, we need a system that can map a name to an address or an address or an address to …

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