[squid-users] cache hierarchies + effective cache

From: dtom <dtom@dont-contact.us>
Date: Fri, 30 Apr 2004 23:42:16 +0900

Hi

I am using squid inside firewall and on DMZ.

                             Firewall Firewall
                               | DMZ |
                               | |
           +--+ +---------+ | +--+ +---------+ |
           | |-->|squid-1-a|-----+ | |-->|squid-2-a|--------> internet
           | | +---------+ | | | | +---------+ |
client --> |LB| | +-->|LB| |
           | | +---------+ | | | | +---------+ |
           | |-->|squid-1-b|-----+ | |-->|squid-2-b|--------> internet
           +--+ +---------+ | +--+ +---------+ |
                               | |
                               | |
            LB: Load Balancer

1. Clients access LB's VIP by Proxy Automatic Configuration
2 LB accesses squid-1-* by round-robin
3. Squid-1-* access LB's VIP on DMZ
4. LB on DMZ accesses squid-2-* by round-robin
5. Squid-2-* access to the internet

Squid-1-* are used for cache and Virus Scan over HTTP(high CPU usage and too many disc I/O).
Squid-2-* are used only for proxy(not cache and low load).
Spec of Squid-1-* box is the same with Squid-2-* box.
Under this condition, web accesss to the internet is very slow.
I want to use Squid-2-* effectively for cache.
LB is not required and Squid-1-* can't access to the internet directly.

What shoud I do?
(I think that CARP is the best way to access to the internet)

Tomi
Received on Fri Apr 30 2004 - 08:39:33 MDT

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