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Additional techniques, called zero suppression and zero compression, are used to reduce the size of displayed addresses further by removing unnecessary zeroes from the presentation of the address.
Key Concept: For brevity, IPv6 addresses are represented using eight sets of four hexadecimal digits, a form called colon hexadecimal notation. Of :: as an address does take some getting That is all zeroes, and what do you get? Thats right: :: It works even better on special addresses. With compression, this could be expressed Replace either the first pair of zeroes or the second, but not both.Įxample much shorter, but due to how IPv6 addresses are structured, Once we could not tell how many zeroes were replaced in each instance. To prevent ambiguity, the double-colon canĪppear only once in any IP address, because if it appeared more than So, for example, the address above could be expressed as: 805B:2D9D:DC28::FC57:D4C8:1FFFīy the :: because we can see how many fully-expressed (uncompressed) String of contiguous zeroes in an IPv6 address to be replaced by a double-colon. That can be applied to shorten some addresses even further. IPv6 Address and Address Notation and Prefix Representation Then click "Add Filter." at the bottom, and add this string: Then just click OK.ĩ TCP/IP Lower-Layer (Interface, Internet and Transport) Protocols (OSI Layers 2, 3 and 4)ĩ TCP/IP Internet Layer (OSI Network Layer) Protocolsĩ Internet Protocol (IP/IPv4, IPng/IPv6) and IP-Related Protocols (IP NAT, IPSec, Mobile IP)ĩ Internet Protocol Version 6 (IPv6) / IP Next Generation (IPng) Or go to the Tools menu and select "Adblock Plus Preferences.".
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