ICANN is close to the activation of a new policy concerning top-level domains (TLD, top level domain - as the strings. "It" and ". Com") and is solving the technical problems that may arise once it has commenced the implementation stage that will open later this year.
internal organization ICANN has proposed new rules to define what can not be admitted as a TLD. Under the new rules will become however you can use any string of letters, including so even those that correspond to the file extensions such as. Exe,. Doc and. pdf.
The request for activation of top-level domains is not always possible: ICANN is to provide, at its option, a time window within which companies can offer new top-level domains. In 2008, a time window will be opened and can then be lodged several requests for the registration of TLDs.
It 's the GNSO - Generic Names Supporting Organization, which worked to draw up guidelines for determining what will be the top-level names are not accepted: "The addition of generic top level domains leads to an expansion on a large scale of the DNS system, which is why the new strings must not cause any technical instability. "
The team then defined the top-level domains must still be subject to the existing syntax rules that prohibit the presence of spaces as part of the name, specify that TLDs are not case-sensitive as well as recognizing that the first character must be a Latin letter. The GNSO also recommended banning gTLD whole number, to avoid confusion with the IP addresses that are set of numbers separated by periods. They should also be avoided extensions that begin with "0x" and followed by any hexadecimal character, since they can be confused with a string esagedicmale which is usually converted into an IP address.
E 'was also considered what impact the use of TLD could be identical to the most popular file extensions such as. Exe,. Doc,. Mp3,. Jpg and so on. The survey carried out to check what kind of problems or instability may arise from this scenario, however, has indicated that from a technical standpoint was not detected anything significant and that the only drawback might be the confusion engendered in the people. S ccording to the GNSO consequently, there are technical reasons to avoid having to use the most popular file extensions such as top-level domains , since such problems are not at the level of the DNS system.
If ICANN would preen the emergence of problems in the application (the browser) or user should establish a list of extensions is not permitted, the list should be maintained at ' external ICANN and internationally recognized as authoritative. Such a system should also be updated constantly, as a file extension can become "popular" at any time. Currently, ICANN is able to adopt a list of the most popular extensions fil intenrazionalmente that is already recognized as authoritative.
Source: ICANN
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