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Today's Topics:
1. New version of prop-105: Distribution of returned IPv4
address blocks (Andy Linton)
----------------------------------------------------------------------
Message: 1
Date: Mon, 15 Jul 2013 09:35:35 +1200
From: Andy Linton <asjl at lpnz dot org>
To: SIG policy <sig-policy at apnic dot net>
Subject: [sig-policy] New version of prop-105: Distribution of
returned IPv4 address blocks
Message-ID:
<CALS-_OqjEsNmnbraRmwpM=3RLu1yanF1jpq3V+ZoG94U0QoB8Q@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
Dear SIG members
A new version of the proposal "prop-105-v002: Distribution of returned
IPv4 address blocks (Modification of prop-088)" has been sent to
the Policy SIG for review.
Changes from the previous version are:
- Added estimates of available APNIC pool size once "Global policy for
post exhaustion IPv4 allocation mechanisms by the IANA" is activated.
- Proposes timing and a mechanism for APNIC to make delegations from
this 'returned' pool.
Information about this version and earlier versions is available from:
http://www.apnic.net/policy/proposals/prop-105
You are encouraged you to express your views on the proposal:
- Do you support or oppose this proposal?
- Is there anything in the proposal that is not clear?
- What changes could be made to this proposal to make it more
effective?
Regards,
Andy, Skeeve, and Masato
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prop-105-v002: Distribution of returned IPv4 address blocks
(Modification of prop-088)
----------------------------------------------------------------------
Authors: Tomohiro Fujisaki fujisaki at syce dot net
JP IPv4 address allocation discussion team
1. Introduction
---------------
After the final /8 policy is implemented, IPv4 address blocks received
by APNIC are handled as being part of the final /8 pool and to
redistribute these resources according to the final /8 policy
(prop-088). This policy proposes to define a separate distribution
policy for all non-103 IPv4 address blocks in the APNIC pool, to start
the distributions once "Global policy for post exhaustion IPv4
allocation mechanisms by the IANA" is activated.
2. Summary
----------
While rapid implementation of IPv6 is in progress throughout the APNIC
region, demands for IPv4 address still continue.
In May 2012, the global policy ?lobal Policy for Post Exhaustion: IPv4
Allocation Mechanisms by the IANA) was ratified by ICANN board, and it
will be implemented soon. Based on this policy, IPv4 address space
returned to IANA will be distributed to RIRs, and its size is not
expected to be so large but substantial enough to be able to consider an
additional minimum allocation for APNIC members.
APNIC is expected to have 6,917,683 (over /10) IPv4 addresses in its
pool once the Global Policy is activated, as an re-allocation from IANA
and IPv4 address space directly returned to APNIC from its members.
Currently, these address blocks will be added to the reserve for
distributions according to the final /8 policy, in addition to 103/8
block already reserved for the purpose. Therefore, even if additional
blocks are added in APNIC's pool while reserves remain in the 103/8
block range, it is reserved for distribution under the final /8 policy.
We propose to distribute this newly received address block and address
blocks returned to APNIC to APNIC account holders.
According to our survey conducted to the APNIC community, over 70% of
the respondents expressed the needs to receive IPv4 address space,
if a separate distribution policy is defined from the final /8 policy.
3. Situation in other RIRs
--------------------------
ARIN: no final /8 like policy.
RIPE-NCC: similar /8 policy.
4. Details
----------
Modify prop-088 to distribute non-103 IPv4 address blocks to APNIC
account holders who meet the IPv4 distribution criteria define in APNIC
policies.
If APNIC account holder, who was allocated an /22 from the final /8
pool, needs an additional IPv4 address block, they are eligible to
receive another distribution of IPv4 block.
The same policy as the final /8 policy will be applied in terms of the
criteria and the size of the distribution given the requestor has
utilized a total of /22 block from 103/8.
This policy will be effective after allocation of returned IPv4 address
blocks from IANA, based on "Global policy for post exhaustion IPv4
allocation mechanisms by the IANA".
The distribution policy for 103/8 block will remain unchanged, based on
the final /8 policy.
- Address size Consideration
The current IPv4 Address size recovered by IANA from RIRs is
18,204,416. If this is equally distribute to 5 RIRs, APNIC is expected
to receive 3,640,883 after the global policy is activated.
APNIC also has a pool recovered directly from its account holders,
with the total of 50 x 16s (max)*. By adding them up, APNIC is
estimated to have 6,917,683 (over /10) IPv4 address after global
policy will be activated.
* Address blocks in ERX range need some coordination to distribute.
APNIC has about 3,800 members, and about 4,800 members if NIR members
is included. We can now distribute about 1,441 IPv4 address to all
4,000 members, which is over /22.
>From the current final /8 address distribution trends, it will allow
all LIRs who have received 103/22 to receive an additional /22 under
this policy from the above IPv4 address pool (6,917,683) until
2017-2018.
- Subsequent IPv4 address re-allocated from IANA/returned to APNIC from
its account holders
If there are subsequent IPv4 address as described above, such IPv4
address space will be pooled until:
- Total IPv4 address size in APNIC pool will reach enough size which
can distribute the maximum distribution size at at time
(currently, /22 to a member) to all APNIC members.
- After the APNIC pool reaches the size sufficient to distribute to
all APNIC members at that point in time, additional IPv4 address
distribution will start from that pool.
Reference
IANA pool size:
http://www.icann.org/en/news/public-comment/report-comments-implementing-ip
v4-post-17dec12-en.pdf
5. Pros/Cons
------------
Advantages: Able to utilize non-103/8 address pool in APNIC for
immediate distribution, instead of keeping as a reserve, in addition to
103/8.
Disadvantages: Some may feel the concern that adopting this policy
discourages IPv6 deployment in the APNIC region. However, according to
our survey, majority of the respondents responded revising the policy
does not impact their IPv6 deployment plan.
6. Effect on APNIC
------------------
APNIC account holders can obtain one more IPv4 block of minimum
allocation size as the upper limit (currently /22).
7. Effect on NIRs
-----------------
NIRs can choose whether to implement this policy or not.
------------------------------
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