[address-policy-wg] 2011-04, "Extension of the Minimum Size for IPv6 Initial Allocation"
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Tom Hodgson
tom at someaddress.net
Mon Nov 14 17:18:41 CET 2011
On Mon, 14 Nov 2011, James Blessing wrote: > > It seems that the consensus is that up to a /29 is the right amount of > space for the majority of networks, if that is the case I've think we > should add the following: > > == > > 5.1.x > > Organisations that have already received their initial allocations are > able to request additional address space up to a /29 without supplying > of further documentation as if they were a first time requestor. > > == > > The logic being that this solves the problem for networks who deployed > before this change and avoids the issues with HD ratio (which I think > needs some looking at, but not here) > I agree with this, and also with the general theme of the proposal of extending the initial allocation size. I do not feel that it is sensible to tie this into a specific transition mechanism so am happy with the more generic proposal that has been put together that will also allow better scalability in long term addressing plans. One thing that I do wonder is whether the (limited) overhead of the NCC processing these requests mean it is more desirable to limit this "re-request" to a single shot per-LIR (which will likely push people to request the whole /29), or whether permitting multiple requests grabbing a /32 at a time (up to the /29) is desirable. Personally I assume that most networks using this policy extension would go for the /29 straight off, but then there maybe further interaction with the charging scheme which dissuades this. -- Tom Hodgson tom at someaddress.net
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