Re: [tor-dev] Potential projects for SponsorR (Hidden Services)

2014-11-15 Thread Christopher Baines
On 29/10/14 13:01, George Kadianakis wrote: Christopher Baines cbain...@gmail.com writes: On 20/10/14 14:37, George Kadianakis wrote: f) On a more researchy tone, this might also be a good point to start poking at the HS scalability project since it will really affect HS performance

Re: [tor-dev] On picking Introduction Points in Next Generation Hidden Services

2014-08-12 Thread Christopher Baines
, as part of the Next Generation HSes initiative [0], we are considering enhancing the availability of HSes by allowing multiple nodes per Hidden Service. A plausible idea for achieving that is to allow multiple IP circuits per Introduction Point, as explained in [tor-dev] by Christopher Baines

Re: [tor-dev] Hidden Service Scaling

2014-05-09 Thread Christopher Baines
On 09/05/14 20:05, waldo wrote: El 04/05/14 07:42, Christopher Baines escribió: On 04/05/14 11:43, waldo wrote: El 02/05/14 02:34, Christopher Baines escribió: On 02/05/14 00:45, waldo wrote: I am worried about an attack coming from evil IP based on forced disconnection of the HS from the IP

Re: [tor-dev] Hidden Service Scaling

2014-05-08 Thread Christopher Baines
On 07/05/14 18:30, Michael Rogers wrote: On 07/05/14 17:32, Christopher Baines wrote: What about the attack suggested by waldo, where a malicious IP repeatedly breaks the circuit until it's rebuilt through a malicious middle node? Are entry guards enough to protect the service's anonymity

Re: [tor-dev] Hidden Service Scaling

2014-05-07 Thread Christopher Baines
On 07/05/14 13:51, Michael Rogers wrote: On 06/05/14 22:17, Christopher Baines wrote: If so, then yes. When I implemented the deterministic selection of introduction points, I had to implement a reconnection mechanism to ensure that the introduction point would only be changed if it had

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
On 06/05/14 20:13, Nicholas Hopper wrote: On Sat, May 3, 2014 at 5:58 AM, Christopher Baines cbain...@gmail.com wrote: On 03/05/14 11:21, George Kadianakis wrote: On 08/10/13 06:52, Christopher Baines wrote: In short, I modified tor such that: - The services public key is used

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
, and this is where I assume the problems with loosing connectivity occur? On 30/04/14 22:06, Christopher Baines wrote: - multiple connections for one service to an introduction point is allowed (previously, existing were closed) Does this mean that at present, the service builds a new IP

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
On 06/05/14 21:19, Roger Dingledine wrote: On Tue, May 06, 2014 at 03:29:03PM +0100, Michael Rogers wrote: I'm interested in your work because the hidden service protocol doesn't seem to perform very well for hidden services running on mobile devices, which frequently lose network

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
On 06/05/14 22:07, Christopher Baines wrote: On 06/05/14 15:29, Michael Rogers wrote: I'm interested in your work because the hidden service protocol doesn't seem to perform very well for hidden services running on mobile devices, which frequently lose network connectivity. I wonder

Re: [tor-dev] Hidden Service Scaling

2014-05-02 Thread Christopher Baines
On 02/05/14 00:45, waldo wrote: El 30/04/14 17:06, Christopher Baines escribió: On 08/10/13 06:52, Christopher Baines wrote: I have been looking at doing some work on Tor as part of my degree, and more specifically, looking at Hidden Services. One of the issues where I believe I might be able

Re: [tor-dev] Hidden Service Scaling

2014-04-30 Thread Christopher Baines
On 08/10/13 06:52, Christopher Baines wrote: I have been looking at doing some work on Tor as part of my degree, and more specifically, looking at Hidden Services. One of the issues where I believe I might be able to make some progress, is the Hidden Service Scaling issue as described here [1

Re: [tor-dev] Starting work on hidden services

2014-03-27 Thread Christopher Baines
On 27/03/14 19:25, Helder Ribeiro wrote: Great! Do you know what kinds of things are most useful to measure first? Is it more useful at this point to: 1. measure time spent on functions within a process, to see if there's anything taking up too much time, for example, at the hidden service's

Re: [tor-dev] Hidden Service Scaling

2013-10-13 Thread Christopher Baines
On 10/10/13 23:28, Paul Syverson wrote: On Wed, Oct 09, 2013 at 03:02:47PM +0100, Christopher Baines wrote: On 09/10/13 11:41, Paul Syverson wrote: These two changes combined should help with the two goals. Reliability is improved by having multiple OP's providing the service, and having all

Re: [tor-dev] Hidden Service Scaling

2013-10-09 Thread Christopher Baines
On 09/10/13 01:16, Matthew Finkel wrote: So, before I start trying to implement a prototype, I thought I would set out my ideas here to check they are reasonable (I have also been discussing this a bit on #tor-dev). The goal of this is two fold, to reduce the probability of failure of a

Re: [tor-dev] Hidden Service Scaling

2013-10-09 Thread Christopher Baines
On 09/10/13 11:41, Paul Syverson wrote: These two changes combined should help with the two goals. Reliability is improved by having multiple OP's providing the service, and having all of these accessible from the introduction points. Scalability is also improved, as you are not limited to one

Re: [tor-dev] Hidden Service Scaling

2013-10-08 Thread Christopher Baines
On 08/10/13 23:41, Nick Mathewson wrote: Here are some possible desirable things. I don't know if they're all important, or all worth it. Let's discuss! So, I think it makes more sense to cover the goals first. Goal 1) Obscure number of hidden service instances. Good to have, as it