On 17/03/22 03:37, Alberto Montes de Oca wrote:
Hi guys, I´d like to implement some bandwidth management using squid
delay pools, but so far I can´t find any solution/example to do it
dynamically, in my case what I want to accomplish is this:
I have a 10Mb/s Internet connection, I want to use let´s say 6Mb/s for
the standard users, and reserve 4Mb/s for IT users, servers, etc. I want
to split the 6Mb/s bandwidth between the connected users at a given
time, something like (6Mb / N_users) where N_users is the amount of
users connected at a time. If there are 10 users connected they´ll get
more bandwidth than if there were 30 users connected. I don´t want to
split the bandwidth with a fixed percent for each user. Can this be done?
This is effectively what you are describing:
acl standard_users ...
delay_pools 2
# 6 Mb/s pool for "standard users"
delay_class 1 1
delay_parameters 1 786432/-1
delay_access 1 allow standard_users
delay_access 1 deny all
# 4 Mb/s pool for everything else
delay_class 2 1
delay_parameters 2 524288/-1
delay_access 2 deny standard_users
delay_access 2 allow all
Please be aware that you *will* see what looks like unfair/unbalanced
use of traffic by users. Simply a side effect of the N_users value
changing constantly on a per-request basis *within* each second.
Your system QoS features are the place to go for better bandwidth
management beyond simplistic Mb/s rate limits. Squid is able to classify
traffic with TOS or NFMARK for the QoS systems to use in their policy
decisions.
see
<http://www.squid-cache.org/Doc/config/tcp_outgoing_tos/>
<http://www.squid-cache.org/Doc/config/tcp_outgoing_mark/>
Amos
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