The technology is used by private network ranges that has extended the useful life of Ipv4 addressing and slowed the adoption rate of Ipv6 is NAT . NAT is short for network address translation. NAT provides mapping between private and universal addresses.
Physical and MAC addressing are found in the OSI layer 2?
Yes, that is the reason network administrators use automatic addressing.
Layer 3 i.e, network layer of the OSI model is used to IP addressing.
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the ip addressing scheme of the network
The network layer uses IP addresses to determine whether or not to route a packet from one network to another. Since an IP address has two parts, the network id and the host/client id, this makes it a natural fit (IP addressing) for the network layer.
If a network uses static addressing, it means that each network interface has an assigned IP address that it uses all of the time or whenever it is online. If a network uses dynamic addressing, it means that when a network interface asks to join the network, it is randomly allocated an IP address from a pool of available addresses within that network. Thus, under dynamic addressing, a computer may possess over time (e.g. across reboots) a variety of different IP addresses, but under static addressing the computer has a well-defined IP address which it uses always and which no other computer ever uses. Dynamic addressing is most useful in applications such as dial-up networks, VPNs, and similar scenarios where end-user machines are intermittently connected to the network.
What are possible drawbacks
Layer 3 - network addressing.
routable
Bluetooth technology relies on a PAN (personal area network)
small network configer karne ke le