Brad Knowles wrote:
> One thing that both of these have in common is that they are primarily
> designed to deal with HTTP and HTTPS, and don't do so well on other
> protocols. We ended up creating a trivial "web page" that could be
> monitored by the load balancing switches, and we would have scripts
> running on a regular basis that would write state information to those
> files -- things like "okay" or "trouble", or whatever, and then set up
> the load balancing switch to search the page for certain strings.
>
> We ended up doing this kind of thing with the respective products at
> each of the employers where I've dealt with these sorts of things.
This is fairly true across the board. At Yahoo!, we test via a web
page status. Even if the service is SMTP or IMAP. Sometimes we
just test a TCP connection.
--
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--MCP
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