IPv4 address length technical design
Cutler James R
james.cutler at consultant.com
Wed Oct 3 23:12:58 UTC 2012
On Oct 3, 2012, at 6:49 PM, Jimmy Hess <mysidia at gmail.com> wrote:
> On 10/3/12, Jay Ashworth <jra at baylink.com> wrote:
>> So the address space for IPv8 will be...
> In 100 years, when we start to run out of IPv6 addresses, possibly we
> will have learned our lesson and done two things:
> (1) Stopped mixing the Host identification and the Network
> identification into the same bit field; instead every packet gets a
> source network address, destination network address, AND an
> additional tuple of Source host address, destination host
> address; residing in completely separate address spaces, with no
> "Netmasks", "Prefix lengths", or other comingling of network
> addresses and host address spaces.
> (2) The new protocol will use variable-length address for the Host
> portion, such as used in the addresses of CLNP, with a convention of
> a specified length, instead of a hardwired specific limit that comes
> from using a permanently fixed-width field.
> Need more bits? No protocol definition change required.
>> -- jra
I suggest that the DNS name space should be considered to be an "hierarchical host address space" thus satisfying (1) and making (2) moot.
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