Delay Pools Setup

From: Charles Dale <chuckd@dont-contact.us>
Date: Thu, 19 Nov 1998 22:38:57 +1100

Thanks for the helpful discussion on delay pools previously. This is
what I am implementing:

# acl for dialup users:
acl localdelayed 203.22.103.1-203.22.103.127/255.255.255.255

# apply class2 delay pools:
delay_class2_access allow localdelayed

# set the overall bucket size to 64kb (we have a 512k link so this is
the max)
delay_class2_aggregate_max 64000

# fill the bucket at 64kb per second
delay_class2_aggregate_restore 64000

# set a larger max bucket size (16kb) so that web pages etc should be
faster
delay_class2_individual_max 16000

# limit any downloads after this to 8kb per second
# - modem/64k ISDN users shouldn't notice any speed degradation as
they
# can't download faster than this (well, forgetting compression)
delay_class2_individual_restore 8000

Any comments?

A few things I'm unsure about:
1. To what extent does the 16kb bucket size actually make short
downloads faster? Won't the modem still be the bottle neck?

2. How can I remove the aggregate settings totally? I don't care about
the aggregate bucket, at least for the moment. squid.conf recommends
setting aggregate_restore to -1 but what about aggregate_max?

3. How is the acl defined here different to a subnet definition, say
203.22.103.0/255.255.255.128?

TIO,

Chuck
Received on Thu Nov 19 1998 - 04:46:21 MST

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