Hi Neel,
> On 17 Feb 2019, at 08:10, n...@neelc.org wrote:
>
> My proposal "Preferring IPv4 or IPv6 based on IP Version Failure Count"
> (a.k.a. Prop299) is here:
> https://gitweb.torproject.org/torspec.git/tree/proposals/001-process.txt
That's a link to the proposals process document.
The proposal is here:
https://gitweb.torproject.org/torspec.git/tree/proposals/299-ip-failure-count.txt
> I haven't gotten any comments for requests when I asked for them, so I am
> assuming this proposal is okay.
Here are the tor-dev threads responding to your proposal:
The January thread starts here:
https://lists.torproject.org/pipermail/tor-dev/2019-January/013648.html
I also did an in-depth review in February:
https://lists.torproject.org/pipermail/tor-dev/2019-February/013673.html
> If it is, could someone please mark this proposal as Accepted? If not, what
> does this proposal require?
Here's what Accepted proposals require:
>> Accepted: The proposal is complete, and we intend to implement it. After
>> this point, substantive changes to the proposal should be avoided, and
>> regarded as a sign of the process having failed somewhere.
https://gitweb.torproject.org/torspec.git/tree/proposals/001-process.txt#n152
But in my detailed review, I said:
>> Here's one thing we must fix before we start implementing this proposal:
>>
>> We don't store connection statistics on Tor clients right now. This
>> proposal would make us store these statistics.
Then I suggested some different ways to avoid collecting connection statistics
on clients.
Here's what you could do:
Change the proposal so that it doesn't collect user connection statistics.
Write some code, and do some testing to answer the other questions:
I think these questions are minor tweaks, so they can be changed after the
proposal is accepted:
> 1. What is the starting SFPV?
These questions may require a significant re-design, so we need to answer then
before the proposal is accepted:
> 2. When switching between IPv4-only and IPv6-only networks, the circuit
> failure rate could start as high as 87.5% (7/8) … What does the pathbias code
> do when this many failures happen?
> 3. What happens on a network which drops IPv4 or IPv6 packets?
> 4. Do we want to count successful connections?
For example, to fix 2 and 3, we might need to make sure that there is at least
one IPv4 and one IPv6 connection in every N pending connections.
Other people may also have specific questions that need to be answered before
the proposal is accepted. (I looked in the initial thread, and I couldn't find
any.)
T
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