Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-23 Thread Alec Muffett
> Let's use your idea of "if one IP fails and TTL expired then re-fetch". > This could also make it "easier" to identify people connecting to > Facebook. As your client guard, I see you do the fetch + IP/RP dance (3 > circuits in short period of time where two are killed). I wait 2 hours > and then

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-22 Thread teor
On 23 Oct 2015, at 03:30, Alec Muffett wrote: >> However, if you were to use proposal #255 to split the introduction and >> rendezvous to separate tor instances, you would then be limited to: >> - 6*10*N tor introduction points, where there are 6 HSDirs, each receiving >> 10 different introduc

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-22 Thread teor
On 23 Oct 2015, at 03:30, Alec Muffett wrote: >> However, you mention that one DC going down could cause a bad experience for >> users. In most HA/DR setups I've seen there should be enough capacity if >> something fails, is that not the case for you? Can a single data center not >> serve all

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-22 Thread David Goulet
On 22 Oct (16:30:55), Alec Muffett wrote: > > i...@tvdw.eu wrote: > > > Hi Alec, > > Hi Tom! I love your proposal, BTW. :-) > > > Most of what you said sounds right, and I agree that caching needs TTLs > > (not just here, all caches need to have them, always). > > Thank you! > > > However, y

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-22 Thread Alec Muffett
i...@tvdw.eu wrote: > Hi Alec, Hi Tom! I love your proposal, BTW. :-) > Most of what you said sounds right, and I agree that caching needs TTLs (not > just here, all caches need to have them, always). Thank you! > However, you mention that one DC going down could cause a bad experience for

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-22 Thread George Kadianakis
Alec Muffett writes: > typo: > >> alecm: and this persists for up to 24h, even though the outage was only 10 >> minutes > > Also, I neglected to observe that linear polling of A-E seeking a descriptor > suggests A will be hammered whilst J is nearly idle. > > Some entropy in IP selection would

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-21 Thread Tom van der Woerdt
> On 21 Oct 2015, at 00:18, Alec Muffett wrote: > > So I’ve just had a conversation with dgoulet on IRC, which I will reformat > and subedit here as a conversation regarding OnionBalance and issues in 2.6 > and 2.7 when a recently rebooted HS publishes a fresh descriptor: > > […] > > alecm:

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-21 Thread teor
> On 21 Oct 2015, at 10:22, Alec Muffett wrote: > > typo: > >> alecm: and this persists for up to 24h, even though the outage was only 10 >> minutes > > Also, I neglected to observe that linear polling of A-E seeking a descriptor > suggests A will be hammered whilst J is nearly idle. Do you

Re: [tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-20 Thread Alec Muffett
typo: > alecm: and this persists for up to 24h, even though the outage was only 10 > minutes Also, I neglected to observe that linear polling of A-E seeking a descriptor suggests A will be hammered whilst J is nearly idle. Some entropy in IP selection would be a good thing. -a — Alec Muf

[tor-dev] Load Balancing in 2.7 series - incompatible with OnionBalance ?

2015-10-20 Thread Alec Muffett
So I’ve just had a conversation with dgoulet on IRC, which I will reformat and subedit here as a conversation regarding OnionBalance and issues in 2.6 and 2.7 when a recently rebooted HS publishes a fresh descriptor: […] alecm: consider OnionBalance which - being a bunch of daemons on a bunch o