[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
[tor-bugs] #32720 [Core Tor/Tor]: How much bandwidth does a user use to bootstrap and maintain dir info? How has that changed over time?
#32720: How much bandwidth does a user use to bootstrap and maintain dir info? How
has that changed over time?
------------------------------+--------------------
Reporter: arma | Owner: (none)
Type: task | Status: new
Priority: Medium | Milestone:
Component: Core Tor/Tor | Version:
Severity: Normal | Keywords:
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
------------------------------+--------------------
We've gone through a series of iterations on the mechanisms for fetching
directory info, culminating in these last two:
* iteration n-1: "start by fetching a new consensus and all the
microdescriptors, and then fetch a new consensus every few hours plus
fetch new microdescriptors as needed"
* iteration n: like that but use consensus diffs when possible for the new
consensus documents
(and we compress some of these steps on the wire)
How many actual bytes is this right now? For the current network, how much
are we saving with 'iteration n' over 'n-1'? It would be awesome to track
this number over time, so we put ourselves in a position to be able to
notice when the load gets higher than we expected.
I ask because we have a large org asking us about the bandwidth tradeoffs
of adding 7 figures, 8 figures, or 9 figures of users into the Tor
network, and all I have as an answer is my intuitive guess of "about a
megabyte per user per day".
I cc komlo since maybe they already computed this metric as part of
analyzing related work for walking onions.
And I choose the Tor component since the metrics folks will be happy to
graph numbers if the network team exports the numbers, but probably they
have no plans to calculate things themselves.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32720>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
_______________________________________________
tor-bugs mailing list
tor-bugs@xxxxxxxxxxxxxxxxxxxx
https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-bugs