Re: Persistence & Cache clusters

To: andreas.koenig@xxxxxxxx (Andreas J. Koenig)
Subject: Re: Persistence & Cache clusters
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Lars Marowsky-Bree <lmb@xxxxxxxxx>
Date: Thu, 23 Sep 1999 07:49:05 +0200
On 1999-09-23T07:47:02,
   andreas.koenig@xxxxxxxx (Andreas J. Koenig) said:

>  > Right. But adding a netmask to the template entry would be a solution
>  > which is quite simple and could be used to circumvent this problem.
> Only if you *know* the netmask, but AFAI can see, there's no way to
> determine it reliably.

I would imagine that most cache clusters do not consist of more than 254 nodes
and thus one most likely can solve this problem with using a /24 netmask or a
/25 one.

The T-Online cache cluster could even be "solved" using a /28 netmask.

Can anyone add some data points how AOL/Compuserve do their proxies? Do the
users come from the same proxy during a single session or if not, how big is
the subnet their proxies are in?

> And as Stephen has pointed out, there are more
> problematic cases than T-Onlone.

I didn't disagree here at all.

    Lars Marowsky-Brée
Lars Marowsky-Brée
Network Management Netzdienste GmbH

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