Commit 70eff63a authored by Matt Traudt's avatar Matt Traudt
Browse files

Merge branch 'doc_improvements' from juga, thanks!

parents f6e9388c 4b52096f
......@@ -11,6 +11,10 @@ Deploying Simple Bandwidth Scanner
Determine if the sbws client and server can be on the same machine.
Replace all instances of **XX2** with the answer.
.. todo:: mark the terms here as terms for :doc:`glossary`?
.. note:: maybe add here terms from :doc:`glossary`?
So you want to run sbws for yourself. You will need
......@@ -200,3 +204,8 @@ screen, tmux, or something like that.
Once all the sbws servers that you want to use are running, you can run
``sbws client`` in screen, tmux, or something like that.
.. _deploy_generate:
.. todo:: document when should be run ``sbws generate``, whether it should be
add to a cron, etc...
.. glossary::
bandwidth authority
The server that runs the scanner client, ``sbws client``
sbws client
The ``sbws`` implementation that perform the measurements
sbws server
The ``sbws`` implementation that serves data used to measure the bandwidth
helper relay
The exit relay used by ``sbws client`` circuits to obtain data from the ``sbws server``
directory authority
......@@ -20,6 +20,7 @@ Welcome to Simple Bandwidth Scanner's documentation!
Indices and tables
......@@ -20,12 +20,3 @@ sbws.globals module
Module contents
.. automodule:: sbws
......@@ -5,6 +5,18 @@ Simple Bandwidth Scanner Specification
:Date: 29 March 2018
:Status: Draft
0. Conventions
.. note:: specification sounds as synonym to me to RFC :)
though so far this does not seem needed
in this document are to be interpreted as described in BCP 14 :rfc:`2119`
:rfc:`8174` when, and only when, they appear in all capitals, as shown here.
.. todo:: if that is added then change following numeration
0. Background
......@@ -16,6 +28,8 @@ selection process with the hope that every circuit they build will have roughly
equal performance, regardless of the relays chosen. This achieves a form of
load balancing.
.. _problem:
Historically, the directory authorities that ran bandwidth scanners (bandwidth
authorities), ran torflow_. Time passed, it slowly become less maintained,
and the collective knowledge of how it worked slipped away.
......@@ -35,6 +49,18 @@ relay to a waiting server. Next we describe the process of periodically turning
recently gathered results into an aggregate format ready for including in a
bandwidth authority's votes.
X. System overview
- :term:`sbws client`:
The ``sbws`` implementation that perform the measurements
- :term:`bandwidth authority`:
The server that runs ``sbws client``. It can also be a directory authorithy
or send the measurements to it.
- :term:`sbws server`:
The ``sbws`` implementation that serves data used to measure the bandwidth
- :term:`helper relay`:
The exit relay used by ``sbws client`` circuits to obtain data from the ``sbws server``
1. Anatomy of a Tor network using sbws
......@@ -65,6 +91,8 @@ bandwidth authority includes these aggregated results in its votes.
2. Configuring Tor and sbws
.. note:: i'd move all section 2 to :doc:`DEPLOY` and :doc:`config`
Sbws does not require any complicated modifications to Tor. For all parts of
sbws that interact with a Tor daemon, only a couple of simple configuration
changes are required.
......@@ -134,7 +162,11 @@ character passwords in the server's ``passwords.txt``.
We now describe various core parts of sbws.
.. _prioritization:
3.0 Selecting the relays to measure
.. todo:: explain here how relays are selected (random),
apart of the prioritization below
3.1 Simple relay prioritization
......@@ -333,6 +365,8 @@ And this is an example result from a failed measurement.
3.4 Simple result processing
.. note:: "Periodically": how much time should that be?
Periodically the bandwidth authorities need to use the results that have been
gathered to inform their vote about relays' bandwidths. To do this they use
sbws generate.
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