[tor-bugs] #8494 [Core Tor/Tor]: Does MaxAdvertisedBandwidth do anything useful and if not, can we deprecate it?

[Tor Bug Tracker & Wiki]

#8494: Does MaxAdvertisedBandwidth do anything useful and if not, can we deprecate
it?
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 Reporter:  alphawolf                            |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Low                                  |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.4.11-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  consensus, bandwidth,                |  Actual Points:
  MaxAdvertisedBandwidth tor-relay tor-dirauth   |
  needs-insight                                  |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by teor):

 Relays use MaxAdvertisedBandwidth to limit bandwidthrate and
 bandwidthburst in their descriptors.

 But authorities do not limit consensus weight by bandwidthrate. And they
 shouldn't, because the consensus weight is not directly comparable with
 the bandwidth rate.

 Instead, bandwidth scanners should calculate weights based on
 bandwidthrate. Torflow sort-of does this using partitions (see above).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8494#comment:6>
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