Re: why can VS-DR work?

To: Linux Virtual Servers Mailling List <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: why can VS-DR work?
From: Michael Sparks <michael.sparks@xxxxxxxxx>
Date: Thu, 28 Oct 1999 16:47:02 +0100 (BST)
On Thu, 28 Oct 1999, Joseph Mack wrote:
> > Hi, I wonder how VS-DR works? What protocol are the LinuxDirector and
> > realservers applied?(or what has LVS done in Director and real
> > servers?)Why a real server can receive the packet whose destination is
> > not its? In VS-TUN there is ip encapsulation protocol,but here no such
> > one.
> VS-DR is similar to VS-TUN. The difference between the two is that in
> VS-DR the director sends a packet to the MAC address of the realserver
> rather than to the IP address

Hmm. So I take it with this setup, as long as the machine is listening on
some device (like the recommended loopback one :-) for the address listed
the machine interprets it as it's own and then replies to it using that?

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Manchester UK M13 9PL                     M: Michael.Sparks@xxxxxxxxxxxxxxx

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