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Re: Geographically Distributed LVS

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Geographically Distributed LVS
From: Horms <horms@xxxxxxxxxxxx>
Date: Tue, 6 Nov 2001 18:43:10 +1100
On Tue, Oct 30, 2001 at 01:58:07PM -0500, Kip Iles wrote:
>               Home site         Remote site
>             e0:1 a.b.c.2       e0:1 m.n.o.2
>             ------------       ------------
>   router<---|e0 a.b.c.1|       |e0 m.n.o.1|--->router
>             |   LVSA   |       |   LVSB   |
>             |e1 e.f.g.1|       |e1 e.f.h.1|
>             ------------       ------------
>                   |                 |
>                   |VS-TUN           |VS-NAT
>                   |                 |
>              t0:a.b.c.2             |
>             ------------       ------------
>   router<---|e0 e.f.g.2|       |e0 e.f.h.2|
>             |   RSVA   |       |   RSVB   |
>             ------------       ------------
> 
> While the above diagram is highly simplified it represents what I am trying
> to achieve. These two sites (and eventually another remote site) will
> eventually run FreeSWAN to establish a private tunnel between the real
> servers so the reserved IPs e.f.g and e.f.h are different on purpose.
> 
> The Home site uses VS-TUN since all realservers can route out.
> The Remote site uses VS-NAT since the realservers can only route via LVSB.
> All incoming requests go to LVSA. LVSA decides to route to its own cluster
> or redirect to LVSB.
> 
> How do I load-balance/redirect between LVSA and LVSB?

Hi,

You may want to take a look at Super Sparrow (http://supersparrow.org/).
It is designed specifically to geographically load balance traffic.

-- 
Horms
        


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