Hello,

Some time has passed since this was initially posted, and I have not
received any negative feedback. If no objections are raised, I would
like to have a BIP number assigned.

On Mon, May 8, 2017 at 11:48 AM, Karl Johan Alm
<karljohan-...@garage.co.jp> wrote:
> Hello,
>
> I am proposing a new feature for rate limiting purposes where nodes
> can make and solve arbitrary PoW challenges in return for connection
> slots (to be expanded to cover e.g. bloom filters or other DoS risky
> services).
>
> The BIP currently includes two proofs of work (sha256 and
> cuckoo-cycle) which can be combined (e.g. sha256(cuckoo-cycle) or
> sha256(sha256(sha256)), etc).
>
> Link: 
> https://github.com/kallewoof/bips/blob/pow-connection-slots/bip-rate-limiting-via-pow.mediawiki
>
> Feedback welcome.
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