IPv6 Security - Laura Jeanne Knapp
IPv6 Security - Laura Jeanne Knapp
IPv6 Security - Laura Jeanne Knapp
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IBM Software Group<strong>IPv6</strong> TranslationsNAT-PT (Network Address Translation and Protocol Translation)\Translates by mapping each <strong>IPv6</strong> address onto one from a pool of IPv4addressesUpside: easy to implement and understandDownside: Limits simultaneous access to multiple services with a networkBreaks end-end networkingSingle point of failureNAPT-PT (Network Address Translation plus Port Translation)Protocol gateway translates the IPv4/<strong>IPv6</strong> network addresses and also maps portacross boundariesUpside: Easy to implement, adds support for more simultaneous sessionsDownside: Breaks end-end networking, single point of failureSIIT (Stateless IP/ICMP Translation)IP packets and ICMP messages are translated between IPv4 and <strong>IPv6</strong> withtemporary assignments of IPv4 addresses creating a one-one mappingUpside: Does not require state detail to be maintainedDownside: Does not save on IP addresses, single point of failureNetworking – Connecting People to Information through Technology32
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