IPv6 addresses really are scarce after all

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It seems that someone in ARIN land believes that IPv6 addresses are
scarce resources that need to be carefully dribbled out to customers
according to need. The following proposal has just been formally made to
change ARIN's allocation policy.

------start of copied text------

Replace the text in section 6.5.4.1 with the following text:

LIR's may assign blocks in the range of /48 to /64 to end sites.
All assignments made by LIR's should meet a minimum HD-Ratio of .25.

* /64 - Site needing only a single subnet.
* /60 - Site with 2-3 subnets initially.
* /56 - Site with 4-7 subnets initially.
* /52 - Site with 8-15 subnets initially.
* /48 - Site with 16+ subnets initially.

For end sites to whom reverse DNS will be delegated, the LIR/ISP should
consider making an assignment on a nibble (4-bit) boundary to simplify
reverse lookup delegation.

LIR's do not need to issue all 5 sizes of prefixes as long as the
HD-Ratio requirement is met.

------end of copied text------

--Michael Dillon

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