AS identifier
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Such "hard-coding" of globally-routable IP addresses as identifiers
within the host's firmware presents significant problems to the
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... unique, globally-routable IP addresses; the assignment and use of IP
addresses as identifiers is temporary and therefore should not be
used in fixed configurations.
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... network renumbering, temporal uniqueness of IPv4 addresses is no
longer globally guaranteed, which puts their use as identifiers
into severe question.
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