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Schlagwort-Archive: ip
What is IPv6 (Internet Protocol Version 6)?
The Internet Protocol Version 6 is the future network protocol used for transmitting data over a packet-oriented network. It was specified in RFC 2460 and will replace the currently used IPv4. IPv6 is architecturally compatible with IPv4, so it is expected that most of the services build on IP continue to function without having to make significant adjustments.
In Networks source and destination and all intermediate stations need to have unique IP addresses. The currently used form of IPv4 addresses are 4 bytes (32 bits) wide, and so allow about 232 different addresses. Highly increased demand and need to, make these addresses short in supply.
IPv6 addresses are 16 bytes (128 bits) wide, making some 2128. Hence a sufficient number of addresses for the future becomes available.
What is IPv4 (Internet Protocol Version 4)?
The Internet Protocol version 4 is the currently used network protocol for transmitting data over a packet-oriented network. It was specified in RFC 791 The data to be transmitted is broken down into packets and routed over the network. Each packet can take a different route.
Source and destination and all intermediate stations to have this unique IP addresses with a width of four bytes (32 bits). The common specification is in the dot notation: a.b.c.d, where a through d are numbers between 0 and 255. This leads to a maximum number of about 4.3 billion IP addresses.
What are dynamic and static IP addresses?
The difference lies in the validity of the addresses and how they are provided.
Static IP addresses
Static IP addresses are initially fixed and do not change. The are realized as follows: (mehr …)
What is a private IP address?
An IP address is currently four bytes (32 bits) long. This results in an address space of 2 ^ 32 addresses, which are divided into partitions and are hierarchical.
Companies can rent address spaces, and use these addresses dynamically or statically to assign it to their network participants.
Some areas can not be rented, and are called private addresses. (mehr …)
Why is my IP address changing?
As participant of the net, you have an IP address, under that you appear. If you do not use a dedicated line to connect to the internet, you internet service provider assigns an IP address to you, oncde you dial in. The provider has a pool of leased addresses, and selects a cuurently free one.
Hence, the address can change depending on availability. (mehr …)