Re: [tor-bugs] #5454 [Stem]: ExitPolicy Class for stem

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#5454: ExitPolicy Class for stem
-------------------------+--------------------------------------------------
 Reporter:  gsathya      |          Owner:  atagar           
     Type:  enhancement  |         Status:  needs_information
 Priority:  normal       |      Milestone:                   
Component:  Stem         |        Version:                   
 Keywords:               |         Parent:                   
   Points:               |   Actualpoints:                   
-------------------------+--------------------------------------------------

Comment(by atagar):

 > Nick could answer this better, but AIUI, the purpose of an exit
 policy...

 Yup, I realize that the purpose of the microdescriptors is to be smaller.
 However, we should get clarification from Sebastian, Nick, or someone else
 knowledgeable about how tor utilizes those policies since they're a subset
 of the information in the full policies. It would be a pity for us to
 develop a MicrodescriptorExitPolicy class only to base it on incorrect
 assumptions and need to rewrite it later.

 > With any summary, there may be false positives

 With the normal exit policy these false positives don't exist. Does
 microdescriptor based path selection try a path and, if it isn't allowed,
 construct another circuit? Do they somehow say 'look at the descriptor
 instead' when they can't represent the exit policy? Something else?

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5454#comment:19>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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