Re: second squid box for redundancy and load balancing

From: Henrik Nordstrom <hno@dont-contact.us>
Date: Wed, 22 Dec 1999 02:07:02 +0100

Clifton Royston wrote:

> The biggest advantage of switches/routers over servers is: no moving
> parts, so they don't go down because a hard disk failed. The second
> one is (somewhat) simpler software because they're doing a more limited
> list of things. (A third is that they reboot a lot faster.) Overall I
> tend to figure downtime for servers will be about 1 order of magnitude
> higher over the course of a year, than for a reasonable router or smart
> switch.

And the biggest disadvantage is that few if any of them correcly
implements all aspects of TCP/IP when used as a TCP load balancer. They
work most of the time, but some users may experience strange problems
due to various incompabilities in TCP options or ICMP processing.

And, the code and/or silicone in these beasts are fairly young compared
to most routers or OS:es.

--
Henrik Nordstrom
Squid hacker
Received on Tue Dec 21 1999 - 18:15:27 MST

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