R: Delay Pools Setup

Can anyone post any delay_class3 examples, please?

TIA

_____________________________________________________
Dr. Tony Martino

Infrastruttura Tecnologica di Calcolo e Comunicazione
TECNOPOLIS CSATA Novus Ortus
S.p. per Casamassima km 3
70010 - Valenzano (BA) - Italy
Tel.:+39-080-8770221
Fax.:+39-080-4551868

-----Messaggio originale-----
Da: David Luyer <luyer@ucs.uwa.edu.au>
A: Charles Dale <chuckd@sydney.net>
Cc: squid-users@ircache.net <squid-users@ircache.net>
Data: venerdì 20 novembre 1998 5.30
Oggetto: Re: Delay Pools Setup

>> 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
>
>make sure you have delay_class1_access deny all
>
>> # 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?
>
>Yes; setting the bucket size large and the throughput small
>(eg, 64kb bucket and 4000 restore) means that people doing long
>downloads are penalised but people doing casual browsing won't
>notice any slowdown; but of course it still can't be faster than
>the modem speed.
>
>> 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?
>
>squid just checks that the restore is -1 and then ignores it; set both
>to -1 if you want to be careful.
>
>> 3. How is the acl defined here different to a subnet definition, say
>> 203.22.103.0/255.255.255.128?
>
>203.22.103.0/255.255.255.128 is how I would define it; they're just
>different ways of writing the same thing.
>
>David.
>
>
Received on Fri Nov 20 1998 - 07:50:25 MST