[c-nsp] some WCCP questions

Dracul chris.garzon at gmail.com
Tue Sep 1 03:36:39 EDT 2009


Thanks adrian,

>That takes time - the WCCPv2 router will take a while to time out the
>now-unreachable server. It would be possible to hack in some code to try
>sending a last "gasping breath" packet to the WCCPv2 router to say the
>cache is about to disappear, but it won't save existing connections.

So will user in the network , "feel" the turnover of packets like they
would  just have some momentary
lapse of connection (browsing or downloading via http)


On Tue, Sep 1, 2009 at 2:52 PM, Adrian Chadd <adrian at creative.net.au> wrote:

> On Tue, Sep 01, 2009, Dracul wrote:
> > Hi List,
> >
> > I'm planning to setup WCCP + Squid.
>
> Hi!
>
> > If the squid server should be offline or the squid process dies, will the
> > users? port 80 requests automatically redirect to the ?live? internet
> > connection??
>
> Yes!
>
> > Because in old "forced" redirection configurations, if the squid process
> > dies or should the squid server be unreachable for some reason, user will
> > see a browser error.
>
> Indeed.
>
> > >From what I understand with WCCP documentation,  if the squid dies or
> the
> > server is unreachable, the network should automatically redirect the
> users
> > to the gateway, without
>
> That takes time - the WCCPv2 router will take a while to time out the
> now-unreachable server. It would be possible to hack in some code to try
> sending a last "gasping breath" packet to the WCCPv2 router to say the
> cache is about to disappear, but it won't save existing connections.
>
> > any disruption of any kind to their browsing experience. Are my
> assumptions
> > correct? Thanks!
>
>
>
> adrian
>
>
> --
> - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid
> Support -
> - $25/pm entry-level VPSes w/ capped bandwidth charges available in WA -
>


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