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Address allocation policy for LIR (/19, /20, /21...)
Address translation (NAT, NAPT):
- breaks end2end model
- affects protocols/applications
- provides a false sense of security
See also:
RFC 2775 «Internet Transparency»
RFC 3027 «Protocol Complication with the IP Network Address Translator»
RFC 2993 «Architectural Implications of NAT»
Internet-Draft «Security implication of Network Address Translators»