December 2007
Intermediate to advanced
248 pages
8h 9m
English
Content preview from Handbook of IPv4 to IPv6 Transition
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Transition Approaches and Mechanisms n 137
Cone NAT: e NAT device maintains a one-to-one mapping between an
internal address and port number and an external address and port number.
In addition, any external host can send a packet to the internal host by send
-
ing a packet to the mapped external address.
Restricted cone NAT: Similar to a cone NAT except that an external host can
send a packet to the internal host only if the internal host had previously sent
a packet to the external host (essentially, the previous packet opens up the
NAT for the external host).
Port restricted cone NAT: A port restricted cone NAT is similar to a rest ...
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