[tor-bugs] #29207 [Obfuscation/Snowflake]: New design for broker -- proxy protocol for snowflakes

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Feb 1 12:06:07 UTC 2019


#29207: New design for broker -- proxy protocol for snowflakes
-----------------------------------+---------------------------
 Reporter:  cohosh                 |          Owner:  (none)
     Type:  task                   |         Status:  new
 Priority:  Very High              |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  snowflake, design      |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:  Sponsor19
-----------------------------------+---------------------------
Changes (by cohosh):

 * keywords:   => snowflake, design


Old description:

> Add information that the snowflakes give to the broker (such as proxy
> version/type) to allow for metrics.

New description:

 This is related to the Snowflake protocol design tickets #29206 and
 #29293.

 We want to write these protocols in a way that is not Snowflake-specific
 but allows any type of bridge to connect to or poll our broker/BridgeDB
 bridge distribution service.

 The idea is that in the beginning we will start with very reliable
 "bridge" (which could be snowflakes) that perhaps rotate IP addresses
 every month or so. After that we can collect measurements and move towards
 more ephemeral "bridges".

 Some things to keep in mind are the types of information that the
 snowflakes give to the broker (such as proxy version/type) to allow for
 metrics. This information might change so we'll want a flexible and
 extensible protocol.

--

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29207#comment:3>
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