March 2005
Intermediate to advanced
308 pages
10h 32m
English
One final point to note is that IPv4 has proved to be flexible, allowing it to accommodate solutions to problems as they arise. CIDR increased the yield of a given portion of address space, NAT reduced the demand on address space, and BGP evolved to accommodate the needs of the routing community. In one respect this is bad, as you could view these as hacks fixing problems in the original IPv4 design. On the other hand, future-proofing is almost impossible without flexibility, and this is something the design and deployment of IPv6 needs to account for.
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