Re: WCCP talk..

[lincoln dale <ltd () interlink com au>]

At 03:44 PM 11/9/98 -0500, alex () nac net wrote:
> My question is, what prevents a cache from seding a WCCP frame saying,
> "Hey, I'm alive" when it really isn't?

the application itself (layer 7) is most likely to know more about whether
the application is alive and working than anything else.

> Is there a way for the router to check the cache in the opposite
> direction? Seems odd that your would rely on the cache to verify that the
> cache is OK.

i believe WCCP is more a heartbeat mechanism - the router will age WCCP
'hello' packets and expire them.  presumably if it doesn't hear one of the
cache engines 'check in', it'll stop forwarding traffic to it.

cheers,

lincoln.